Tag Archives: gear reducer speed

China OEM ZQ500 JZQ500 Type Gear Speed Reducer Gearbox with Motor gearbox assembly

Product Description

Model Number	Soft Surface Tooth Cylindrical gear	No.	250-1500
Assembly Method	1-9	Input Speed:	600-1500r/min
Enamelled Wire:	100% Copper Wire	Reducer body	Steel
Ratio	8.23 10.35 12.64 15.75 20.49 23.34 31.5 40.17 48.5	Brand	FOX MOTOR

Application:	Motor, Machinery, Agricultural Machinery, Bending Machine
Hardness:	Soft Tooth Surface
Installation:	Horizontal Type
Layout:	Cylindrical gear
Gear Shape:	Cylindrical Gear
Step:	Stepless

Samples:	US$ 99/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

How to Calculate Gear Ratio in a Gearbox

Gear ratio is a fundamental parameter in a gearbox that represents the ratio of the number of teeth between two gears. It determines how much the output gear rotates in relation to the input gear. The formula to calculate gear ratio is:

Gear Ratio (GR) = Number of Teeth on Output Gear / Number of Teeth on Input Gear

Here’s a step-by-step guide on how to calculate gear ratio:

Identify the input and output gears in the gearbox.
Count the number of teeth on the output gear (the gear connected to the output shaft).
Count the number of teeth on the input gear (the gear connected to the input shaft).
Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
Calculate the gear ratio by performing the division.

The gear ratio provides insight into how much the input gear needs to rotate to achieve a certain rotation of the output gear. It influences torque, speed, and direction of rotation in the gearbox.

China OEM ZQ500 JZQ500 Type Gear Speed Reducer Gearbox with Motor gearbox assembly
editor by CX 2023-10-30

China supplier Nmrv/Nrv Nmrv130 Worm Gear Speed Reduction Reducer Gearbox automatic gearbox

Product Description

NMRV REDUCTION WORM GEARBOX
The NMRV 130 single-stage worm gear motor develops torque on the output shaft in the range from 280 to 1596 N * m. The unit is supplied with an IEC motor with a power of 0.75 – 7.5 kW. Radial load on the shaft – up to 18 000 N.
The gear housing is made of gray cast iron grade G200, has a protective powder coating.
Materials parts:
Body – iron, flanges – iron, worm – steel CHINAMFG worm wheel – bronze.
Type of lubricant: synthetic ISO VG 220.
Weight: 48 kg.

Type designation scheme

NMRV – 130 – 7.5 – 120 – 4 – B3

NMRV – worm gear motor
130 – size (center distance, mm)
7.5 – gear ratio
120 – output shaft rotation speed, rpm
4 – electric motor power, kW
B3 – mounting position

NMRV 130 gearbox performance

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
i	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
7.5	373	571	24.00	92	187	780	16.80	91	120	935	13.20	89
10	280	606	19.30	92	140	817	13.30	90	90	980	10.50	88
15	187	668	14.50	90	93	876	9.80	87	60	1015	7.50	85
20	140	735	12.10	89	70	950	8.10	86	45	1092	6.20	83
25	112	645	8.40	90	56	795	5.50	85	36	914	4.20	82
30	93	655	7.50	85	47	683	4.20	80	30	735	3.00	77
40	70	781	6.90	83	35	959	4.50	78	23	1090	3.50	75
50	56	787	5.70	81	28	985	3.80	76	18	1084	2.80	73
60	47	748	4.60	80	23	965	3.10	75	15	1040	2.30	71
80	35	648	3.30	72	18	782	2.20	67	11	959	1.70	65
100	28	605	2.50	71	14	765	1.70	66	9	855	1.30	62

n1 – rotational speed el. engine;
n2 – revolutions on the output shaft;
T 2M – torque on the output shaft;
P is the maximum allowable engine power;
RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.

2.Compact,convenient.

3.High efficiency,big torque.

Overall and mounting dimensions NMRV 130

NMRV130 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 130 gearbox

Geared NMRV130 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

How to Calculate Gear Ratio in a Gearbox

Gear Ratio (GR) = Number of Teeth on Output Gear / Number of Teeth on Input Gear

Here’s a step-by-step guide on how to calculate gear ratio:

Identify the input and output gears in the gearbox.
Count the number of teeth on the output gear (the gear connected to the output shaft).
Count the number of teeth on the input gear (the gear connected to the input shaft).
Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
Calculate the gear ratio by performing the division.

The gear ratio provides insight into how much the input gear needs to rotate to achieve a certain rotation of the output gear. It influences torque, speed, and direction of rotation in the gearbox.

China supplier Nmrv/Nrv Nmrv130 Worm Gear Speed Reduction Reducer Gearbox automatic gearbox
editor by CX 2023-10-24

China Best Sales China High Torque Helical Gear Motor Nmrv Wp Speed Reducer Reductor Worm Gearbox manufacturer

Product Description

China High Torque NMRV Speed Reducer Reductor Worm Gearbox

Introduction of worm gearbox

1. Made of high-quality aluminum alloy or iron casting housing, light in weight and non-rusting

2. Smooth in running and low in noise, can work long time in dreadful conditions

3. High in radiating efficiency

4. Good-looking in appearance, durable in service life and small in volume

5. Suitable for omni-bearing installation

6. Inch size and metric size are both available

Company Overview

HISTORY: Greensky is a mechanical brand of CHINAMFG Power Co., Ltd. With over 10 years’
mechanical manufacturing experiences, CHINAMFG Power always strictly stands on the
principle of Best Customer Satisfaction.

QUALITY: Material Inspection, Production Control, Finished Goods Test, Pre-dellivery Inspection

MISSION: “Once and forever” is our goal to serve customers in the world. Once we do
business with customer, we will do business forever.

MARKET: 30 different countries, mainly Germany, Austria, Japan, USA and Middle-East.

DELIVERY: 100% on-time delivery Guaranteed.

SERVICES: Fast response in English, German, Japanese and Chinese languages.

OEM: Customized orders are welcome at CHINAMFG Power.

Certificates

Exhibitions

Greensky Product Portfolio:

FAQ

1 Q: What’s your MOQ?
A: 1unit is ok for different types.

2 Q: What about your warranty?
A: One year.

3 Q: Do you provide OEM service with customer-logo?
A: Yes, we could do OEM orders, but we mainly focus on our own brand.

4 Q: How about your payment terms ?
A: TT, western union and paypal. 100% payment in advanced for orders less $5,000. 30% deposit and balance before delivery for orders over $5,000.

5 Q: How about your packing ?
A: Carton, Plywood case. If you need more, we can pack all goods with pallet

Warmly welcome your inquiry and visit our factory in China.

Application:	Motor, Machinery, Agricultural Machinery, Light Duty Machine
Function:	Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout:	Right Angle
Hardness:	Hardened
Installation:	Horizontal Type
Step:	Double-Step

Samples:	US$ 100/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

How to Choose the Right Gearbox for Your Machinery

Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:

Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.

Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.

China Best Sales China High Torque Helical Gear Motor Nmrv Wp Speed Reducer Reductor Worm Gearbox manufacturer
editor by CX 2023-10-16

China best Nmrv/Nrv Nmrv150 Worm Gear Speed Reduction Reducer Gearbox gearbox drive shaft

Product Description

NMRV REDUCTION WORM GEARBOX
NMRV 150 worm gear motor for general industrial use refers to angular type drives. The unit provides high output torque (up to 1760 N * m), withstands significant radial loads (up to 18 000 N). Robust cast iron body gear motor has a protective coating. Mounting options: feet / flange.
Additional options:

reactive rod for reactive torque compensation
outlet flange for securing to the frame
variator attachment for regulating the output shaft rotation speed
torque limiter

Materials parts:
Body – iron, flanges – iron, worm – steel CHINAMFG worm wheel – bronze.
Type of lubricant: synthetic ISO VG 220.
Weight: 84 kg.

Type designation scheme

NMRV – 150 – 7.5 – 186.7 – 15 – B7

NMRV – worm gear motor
150 – size (center distance, mm)
7.5 – gear ratio
186.7 – output shaft rotation speed, rpm
15 – electric motor power, kW
B7 – mounting position

NMRV 150 gearbox performance

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
i	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
7.5	373	862	36.20	93	187	1162	25.30	91	120	1410	19.90	89
10	280	879	28.00	92	140	1197	19.50	90	90	1429	15.30	88
15	187	924	20.10	90	93	1250	2 p.m.	87	60	1488	11.00	85
20	140	990	16.30	89	70	1320	11.25	86	45	1550	8.80	83
25	112	920	12.00	90	56	1203	8.30	85	36	1414	6.50	82
30	93	900	10.30	85	47	1138	7.00	80	30	1348	5.50	77
40	70	1234	10.90	83	35	1596	7.50	78	23	1837	5.90	75
50	56	1091	7.90	81	28	1426	5.50	76	18	1665	4.30	73
60	47	1571	6.30	80	23	1370	4.40	75	15	1582	3.50	71
80	35	884	4.50	72	18	1102	3.10	67	11	1354	2.40	65
100	28	848	3.50	71	14	1080	2.40	66	9	1250	1.90	62

n1 – rotational speed el. engine;
n2 – revolutions on the output shaft;
T 2M – torque on the output shaft;
P is the maximum allowable engine power;
RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.

2.Compact,convenient.

3.High efficiency,big torque.

Overall and mounting dimensions NMRV 150

NMRV150 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 150 gearbox

Geared NMRV150 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

Steps to Replace a Faulty Gearbox in an Automobile

Replacing a faulty gearbox in an automobile is a complex task that requires proper tools, skills, and safety precautions. Here are the general steps involved in the process:

Prepare the Vehicle: Park the vehicle on a flat surface and engage the parking brake. Disconnect the battery to ensure safety during the procedure.
Drain Fluids: Drain the transmission fluid from the old gearbox into a suitable container.
Disconnect Components: Remove any components obstructing access to the gearbox, such as the driveshaft, exhaust system, and linkage.
Suspend the Engine: If necessary, use an engine hoist or support to suspend the engine safely.
Support the Gearbox: Use a transmission jack to support the weight of the gearbox.
Remove Gearbox: Detach the gearbox from the engine by removing bolts and disconnecting the clutch or torque converter.
Install New Gearbox: Position the new gearbox onto the engine and secure it in place with bolts.
Reconnect Components: Reattach the driveshaft, exhaust system, and linkage that were disconnected earlier.
Refill Fluids: Fill the new gearbox with the appropriate transmission fluid according to the manufacturer’s specifications.
Lower Engine: Carefully lower the engine back into its original position if it was suspended.
Test and Adjust: Start the vehicle and test the new gearbox for proper operation. Check for any leaks, unusual noises, or gear shifting issues.
Final Check: Double-check all connections and ensure that all components are properly secured.
Dispose of Old Fluid: Dispose of the old transmission fluid safely and responsibly.
Dispose of Old Gearbox: Properly dispose of the old gearbox according to local regulations.

It’s important to note that gearbox replacement can vary significantly depending on the vehicle’s make and model. It’s recommended to consult the vehicle’s service manual or seek professional assistance if you’re not experienced in automotive repair.

China best Nmrv/Nrv Nmrv150 Worm Gear Speed Reduction Reducer Gearbox gearbox drive shaft
editor by CX 2023-10-04

China factory Nmrv/Nrv Nmrv040 Worm Gear Speed Reduction Reducer Gearbox with Best Sales

Product Description

NMRV REDUCTION WORM GEARBOX
The NMRV 040 worm gear motor is characterized by a wide range of gear ratios (5 – 80), a compact aluminum alloy housing, and ease of installation and maintenance. The unit is equipped with an engine power of 0.09 – 0.55 kW. Output shaft rotation frequency: 900 – 2800 rpm.
The NMRV 040 motor gearbox has similar mounting dimensions with the Siti MU40, STM UMI 40, Varvel SRT 40 drives and can be used to replace them.
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze.
Type of lubricant: synthetic ISO VG 320.
Weight: 2.3 kg.

Type designation scheme

NMRV – 040 – 80 – 17.5 – 0.12 – B3

NMRV – worm gear motor
040 – size (center distance, mm)
80 – gear ratio
17.5 – output shaft rotation speed, rpm
0,12 – electric motor power, kW
B3 – mounting position

NMRV 040 gearbox performance

I	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
I	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
5	560	24	1.50	87	280	36	1.10	86	180	41	0.80	84
7.5	373	29	1.30	88	187	41	0.93	86	120	49	0.73	84
10	280	32	1.10	86	140	44	0.76	84	90	50	0.58	82
15	187	34	0.78	84	93	44	0.53	81	60	52	0.41	79
20	140	31	0.56	82	70	40	0.37	79	45	47	0.29	76
25	112	34	0.50	79	56	43	0.34	74	36	49	0.26	71
30	93	33	0.44	73	47	38	0.27	68	30	43	0.21	65
40	70	35	0.36	72	35	44	0.24	67	23	52	0.19	64
50	56	32	0.29	65	28	41	0.20	60	18	48	0.16	57
60	47	29	0.24	59	23	38	0.17	54	15	41	0.13	50
80	35	23	0.15	56	18	31	0.11	51	11	37	0.09	49
100	28	24	0.13	53	14	29	0.09	48	9	33	0.07	44

n1 – rotational speed el. engine;
n2 – revolutions on the output shaft;
T 2M – torque on the output shaft;
P is the maximum allowable engine power;
RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.

3.High efficiency,big torque.

Overall and mounting dimensions NMRV 040

NMRV040 gear motor has a wide range of gear ratios.
Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 040 gearbox

Geared NMRV040 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

Can I Use Synthetic Oil in My Gearbox?

Yes, you can use synthetic oil in your gearbox, and in many cases, it can offer several advantages over conventional mineral-based oils:

Improved Temperature Stability: Synthetic oils typically have a higher resistance to thermal breakdown, making them suitable for gearboxes that operate at high temperatures.
Enhanced Lubrication: Synthetic oils often have superior lubrication properties, providing better protection against friction, wear, and component damage.
Extended Oil Change Intervals: Synthetic oils can often withstand longer operating periods without losing their effectiveness, reducing the frequency of oil changes and maintenance.
Reduced Viscosity Changes: Synthetic oils are less prone to viscosity changes at different temperatures, ensuring consistent lubrication performance in varying conditions.
Lower Friction and Energy Loss: The smoother molecular structure of synthetic oils can lead to reduced internal friction, potentially improving gearbox efficiency and performance.
Cold Weather Performance: Synthetic oils generally flow better at low temperatures, making them suitable for gearboxes operating in cold climates.
Protection Against Oxidation: Synthetic oils often have better resistance to oxidation, helping to prevent the formation of sludge and deposits that can impact gearbox performance.

However, before switching to synthetic oil, it’s important to consider the manufacturer’s recommendations and specifications for your specific gearbox model. Some gearboxes may have specific requirements or restrictions on the type of lubricant to use. If the manufacturer approves the use of synthetic oil, it can be a beneficial choice, but if not, sticking to the recommended oil type is crucial to ensure proper gearbox function and warranty coverage.

China factory Nmrv/Nrv Nmrv040 Worm Gear Speed Reduction Reducer Gearbox with Best Sales
editor by CX 2023-09-15

China Standard High Torgue Aluminum Housing Worm Gear Speed Reducer Gearboxes RV 075 gearbox definition

Product Description

Technical data list:

Type:	Worm Gear Speed Reducer
Model:	NMRV571–150
Ratio:	1:7.5,10,15,20,25,30,40,50,60,80,100
Color:	Blue/Silver Or On Customer Request
Material	Housing: Blue-Coloured Cast-Iron Worm Gear-Copper-10-3# Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC Shaft-chromium steel-45#
Lubricant:	Synthetic&Mineral
Bearing:	C&U Bearing
Seal:	NAK SKF
Warranty:	-30-40°C
ICE FLANGE	80B5,90B5,100B5,112B5,132B5,160B5
Rated power:	0.06KW,0.12KW,0.25KW,0.75KW,1.5KW,3KW,5.5KW,7.5KW
Application	Metallurgical machinery, food machinery, stage machinery, welding machinery, road machinery, amusement machines, packaging machinery, Rubber and plastic machinery, environmental protection machinery ,engineering machinery, construction machinery, machine tool industry, automotive industry, logistics and transportation and so on

NMRV	PAM	N	M	P	D
	ICE				5	7.5	10	15	20	25	30	40	50	60	80	100
25	56B14	50	65	80	9	9	9	9	9		9	9	9	9
30	63B5	95	115	140	11	11	11	11	11	11	11	11	11
	63B14	60	75	90
	56B5	80	100	120	9	9	9	9	9	9	9	9	9	9	9
	56B14	50	65	80
40	71B5	110	130	160	14	14	14	14	14	14	14	14
	71B14	70	85	105
	63B5	95	115	140	11	11	11	11	11	11	11	11	11	11	11	11
	63B14	60	75	90
	56B5	80	100	120									9	9	9	9
50	80B5	130	165	200	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160	14	14	14	14	14	14	14	14	14	14	14
	71B14	70	85	105
	63B5	95	115	140								11	11	11	11	11
63	90B5	130	165	200		24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200		19	19	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160								14	14	14	14	14
	71B14	70	85	105
75	100/112B5	180	215	250		28	28	28
	100/112B14	110	130	150
	90B5	130	165	200		24	24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200					19	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160									14	14	14	14
90	100/112B5	190	215	250		28	28	28	28	28	28
	100/112B14	110	130	160
	90B5	130	165	200		24	24	24	24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200								19	19	19	19	19
	80B14	80	100	120
110	132B5	230	265	300		38	38	38	38
	100/112B5	180	215	250		28	28	28	28	28	28	28	28	28
	90B5	130	165	200						24	24	24	24	24	24	24
	80B5	130	165	200											19	19
130	132B5	230	265	300		38	38	38	38	38	38	38
	100/112B5	180	215	250						28	28	28	28	28	28	28
	90B5	130	165	200											24	24
150	160B5	250	300	350		42	42	42	42	42
	132B5	230	265	250					38	38	38	38	38	38
	100/112B5	180	215	200									28	28	28	28

Workshop show

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment 30%TT in advance. 70% T/T before shippment

Feature:	High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Step:	Single-Step
Layout:	Three-Ring
Openness:	Open
Installation:	Horizontal
Transmission Form:	Worm

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

The Parts of a Gearbox

There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!

Components

Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.
gearbox

Functions

A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.
gearbox

Maintenance

Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.

China Standard High Torgue Aluminum Housing Worm Gear Speed Reducer Gearboxes RV 075 gearbox definition
editor by CX 2023-05-25

China supplier CZPT Km050~Km110 Series Speed Hypoid Gear Reducer Flange Mounted Reducer Gearbox for Dough Mixers gearbox and motor

Product Description

Aokman KM050~KM110 series speed Hypoid gear reducer Flange Mounted reducer gearbox for dough mixers

1.KM series Helical-hypoid Gearbox’s Characteristics
KM series helical-hypoid gearbox is a new-generation of product developed by Aokman. With a compromise of advanced technology both at home and abroad, its main features are as follows:
(1) Driven by hypoid gears, which has big ratios.
(2) Large output torque, high efficiency, energy saving and environmental protection.
(3) High-quality aluminum alloy housing, and light in weight and non-rusting.
(4) Smooth in running and low in noise, and can work long time in dreadful conditions.
(5) Good-looking in appearance, durable in service life and small in volume.
(6) Suitable for all round installation, wide application and easy use.
(7) The mounting dimension of KM series helical-hypoid gearbox are compatible with RV series worm gearbox.
(8) Modular and multi-structure can meet the demands of various conditions.

Detailed Photos

2. KM series Helical-hypoid Gearbox’s Main Materials
(1) Housing: die-cast aluminum alloy (frame size 27 to 57)
(2) Gear wheel: 20CrMnTiH1 carbonizing & quenching heat treatment make the hardness of gears surface be up to 56-62 HRC, and be retained carburization layers thickness between 0.3 and 0.5mm after precise grinding.
3. KM series Helical-hypoid Gearbox’s Surface Painting
Aluminum alloy housing:
(1) Shot blasting and special antiseptic treatment on the aluminum alloy surface.
(2) After phosphating, spray the RAL9571 silver white paint.4.Gearbox Parameters

Product Parameters

Models	Stage	Nominal Ratio	Output Speed (n2)*	Max. Torque	Input Shaft Dia.	Output Hole Dia.	Output Shaft Dia.
KM050	3 Stage	50~300	4.8~27	130N.m	Φ11	Φ20, Φ24	Φ25
KM050	2 Stage	7.5~60	24~181	130N.m	Φ11	Φ20, Φ24	Φ25
KM063	3 Stage	50~300	4.6~27	200N.m	Φ11	Φ25, Φ28	Φ25
KM063	2 Stage	7.5~60	23~184	200N.m	Φ14	Φ25, Φ28	Φ25
KM075	3 Stage	50~300	4.7~28	350N.m	Φ14	Φ28, Φ30, Φ35	Φ28
KM075	2 Stage	7.5~60	24~187	350N.m	Φ16	Φ28, Φ30, Φ35	Φ28
KM090	3 Stage	50~300	4.7~28	500N.m	Φ14	Φ35, Φ38	Φ35
KM090	2 Stage	7.5~60	24~187	500N.m	Φ19	Φ35, Φ38	Φ35
KM110	3 Stage	50~300	4.7~27	750N.m	Φ19	Φ40, Φ42	Φ42
KM110	2 Stage	7.5~60	24~187	750N.m	Φ24	Φ40, Φ42	Φ42

Packaging & Shipping

Company Profile

Our Advantages

After Sales Service

Pre-sale services	1. Select equipment model.
	2.Design and manufacture products according to clients’ special requirement.
	3.Train technical personal for clients
Services during selling	1.Pre-check and accept products ahead of delivery.
Services during selling	2. Help clients to draft solving plans.
After-sale services	1.Assist clients to prepare for the first construction scheme.
	2. Train the first-line operators.
	3.Take initiative to eliminate the trouble rapidly.
	4. Provide technical exchanging.

FAQ

1.Q:What kinds of gearbox can you produce for us?

A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

If you have any demand for our products please feel free to contact me.

Application:	Motor, Machinery
Function:	Speed Changing, Speed Reduction
Layout:	Orthogonal
Hardness:	Hardened Tooth Surface
Installation:	Industry
Step:	Double or Three-Step

Customization:	Available \| Customized Request

gearbox

How to Select a Gearbox

When you drive your vehicle, the gearbox provides you with traction and speed. The lower gear provides the most traction, while the higher gear has the most speed. Selecting the right gear for your driving conditions will help you maximize both. The right gearing will vary based on road conditions, load, and speed. Short gearing will accelerate you more quickly, while tall gearing will increase top speed. However, you should understand how to use the gearbox before driving.

Function

The function of the gearbox is to transmit rotational energy to the machine’s drive train. The ratio between input and output torque is the ratio of the torque to the speed of rotation. Gearboxes have many different functions. A gearbox may have multiple functions or one function that is used to drive several other machines. If one gear is not turning, the other will be able to turn the gearbox. This is where the gearbox gets its name.
The pitch-controlled system has an equal number of failure modes as the electrical system, accounting for a large proportion of the longest machine downtime and halt time. The relationship between mechanisms and faults is not easily modeled mathematically. Failure modes of gearboxes are shown in Fig. 3. A gearbox’s true service life is six to eight years. However, a gearbox’s fault detection process must be developed as mature technology is required to reduce the downtime and avoid catastrophic incidents.
A gearbox is a vital piece of machinery. It processes energy produced by an engine to move the machine’s parts. A gearbox’s efficiency depends on how efficiently it transfers energy. The higher the ratio, the more torque is transferred to the wheels. It is a common component of bicycles, cars, and a variety of other devices. Its four major functions include:
In addition to ensuring gearbox reliability, a gearbox’s maintainability should be evaluated in the design phase. Maintainability considerations should be integrated into the gearbox design, such as the type of spare parts available. An appropriate maintenance regime will also determine how often to replace or repair specific parts. A proper maintenance procedure will also ensure that the gearbox is accessible. Whether it is easy to access or difficult to reach, accessibility is essential.

Purpose

A car’s transmission connects the engine to the wheels, allowing a higher-speed crankshaft to provide leverage. High-torque engines are necessary for the vehicle’s starting, acceleration, and meeting road resistance. The gearbox reduces the engine’s speed and provides torque variations at the wheels. The transmission also provides reversing power, making it possible to move the vehicle backwards and forwards.
Gears transmit power from one shaft to another. The size of the gears and number of teeth determine the amount of torque the unit can transmit. A higher gear ratio means more torque, but slower speed. The gearbox’s lever moves the engaging part on the shaft. The lever also slides the gears and synchronizers into place. If the lever slips to the left or right, the engine operates in second gear.
Gearboxes need to be closely monitored to reduce the likelihood of premature failure. Various tests are available to detect defective gear teeth and increase machine reliability. Figure 1.11(a) and (b) show a gearbox with 18 teeth and a 1.5:1 transmission ratio. The input shaft is connected to a sheave and drives a “V” belt. This transmission ratio allows the gearbox to reduce the speed of the motor, while increasing torque and reducing output speed.
When it comes to speed reduction, gear box is the most common method for reducing motor torque. The torque output is directly proportional to the volume of the motor. A small gearbox, for example, can produce as much torque as a large motor with the same output speed. The same holds true for the reverse. There are hybrid drives and in-line gearboxes. Regardless of the type, knowing about the functions of a gearbox will make it easier to choose the right one for your specific application.
gearbox

Application

When selecting a gearbox, the service factor must be considered. Service factor is the difference between the actual capacity of the gearbox and the value required by the application. Additional requirements for the gearbox may result in premature seal wear or overheating. The service factor should be as low as possible, as it could be the difference between the lifetime of the gearbox and its failure. In some cases, a gearbox’s service factor can be as high as 1.4, which is sufficient for most industrial applications.
China dominates the renewable energy industry, with the largest installed capacity of 1000 gigawatts and more than 2000 terawatt hours of electricity generated each year. The growth in these sectors is expected to increase the demand for gearboxes. For example, in China, wind and hydropower energy production are the major components of wind and solar power plants. The increased installation capacity indicates increased use of gearboxes for these industries. A gearbox that is not suitable for its application will not be functional, which may be detrimental to the production of products in the country.
A gearbox can be mounted in one of four different positions. The first three positions are concentric, parallel, or right angle, and the fourth position is shaft mount. A shaft mount gearbox is typically used in applications where the motor can’t be mounted via a foot. These positions are discussed in more detail below. Choosing the correct gearbox is essential in your business, but remember that a well-designed gearbox will help your bottom line.
The service factor of a gearbox is dependent on the type of load. A high shock load, for example, can cause premature failure of the gear teeth or shaft bearings. In such cases, a higher service factor is required. In other cases, a gearbox that is designed for high shock loads can withstand such loads without deteriorating its performance. Moreover, it will also reduce the cost of maintaining the gearbox over time.

Material

When choosing the material for your gearbox, you must balance the strength, durability, and cost of the design. This article will discuss the different types of materials and their respective applications and power transmission calculations. A variety of alloys are available, each of which offers its own advantages, including improved hardness and wear resistance. The following are some of the common alloys used in gears. The advantage of alloys is their competitive pricing. A gear made from one of these materials is usually stronger than its counterparts.
The carbon content of SPCC prevents the material from hardening like SS. However, thin sheets made from SPCC are often used for gears with lower strength. Because of the low carbon content, SPCC’s surface doesn’t harden as quickly as SS gears do, so soft nitriding is needed to provide hardness. However, if you want a gear that won’t rust, then you should consider SS or FCD.
In addition to cars, gearboxes are also used in the aerospace industry. They are used in space travel and are used in airplane engines. In agriculture, they are used in irrigation, pest and insect control machinery, and plowing machines. They are also used in construction equipment like cranes, bulldozers, and tractors. Gearboxes are also used in the food processing industry, including conveyor systems, kilns, and packaging machinery.
The teeth of the gears in your gearbox are important when it comes to performance. A properly meshing gear will allow the gears to achieve peak performance and withstand torque. Gear teeth are like tiny levers, and effective meshing reduces stress and slippage. A stationary parametric analysis will help you determine the quality of meshing throughout the gearing cycle. This method is often the most accurate way to determine whether your gears are meshing well.
gearbox

Manufacturing

The global gear market is divided into five key regions, namely, North America, Europe, Asia Pacific, and Latin America. Among these regions, Asia Pacific is expected to generate the largest GDP, owing to rapidly growing energy demand and investments in industrial infrastructure. This region is also home to some of the largest manufacturing bases, and its continuous building of new buildings and homes will support the industry’s growth. In terms of application, gearboxes are used in construction, agricultural machinery, and transportation.
The Industrial Gearbox market is anticipated to expand during the next several years, driven by the rapid growth of the construction industry and business advancements. However, there are several challenges that hamper the growth of the industry. These include the high cost of operations and maintenance of gear units. This report covers the market size of industrial gearboxes globally, as well as their manufacturing technologies. It also includes manufacturer data for the period of 2020-2024. The report also features a discussion of market drivers and restraints.
Global health crisis and decreasing seaborne commerce have moderately adverse effects on the industry. Falling seaborne commerce has created a barrier to investment. The value of international crude oil is expected to cross USD 0 by April 2020, putting an end to new assets development and exploitation. In such a scenario, the global gearbox market will face many challenges. However, the opportunities are huge. So, the market for industrial gearboxes is expected to grow by more than 6% by 2020, thanks to the increasing number of light vehicles sold in the country.
The main shaft of a gearbox, also known as the output shaft, spins at different speeds and transfers torque to an automobile. The output shaft is splined so that a coupler and gear can be connected to it. The counter shaft and primary shaft are supported by bearings, which reduce friction in the spinning element. Another important part of a gearbox is the gears, which vary in tooth count. The number of teeth determines how much torque a gear can transfer. In addition, the gears can glide in any position.

China supplier CZPT Km050~Km110 Series Speed Hypoid Gear Reducer Flange Mounted Reducer Gearbox for Dough Mixers gearbox and motor
editor by CX 2023-05-19

China Nmrv/Nrv Nmrv050 Worm Gear Speed Reduction Reducer Gearbox differential gearbox

Product Description

NMRV REDUCTION WORM GEARBOX
The NMRV 050 motor gearbox is made up of a single-phase NRV 050 worm gearbox coupled to an IEC asynchronous motor. Highest drive energy – 1.5 kW. The torque on the output shaft is 17-89 N * m. The gear motor is available in 2 mounting variations (legs / flange).
Areas resources:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CZPT – bronze.
Kind of lubricant: synthetic ISO VG 320.
Fat: 3.5 kg.

Type designation plan

NMRV – 050 – 30 – 93.3 – 0.75 – B1

NMRV – worm equipment motor
050 – size (centre distance, mm)
30 – gear ratio
93.3 – output shaft rotation pace, rpm
.75 – electric motor energy, kW
B1 – mounting placement

NMRV 050 gearbox overall performance

i	n one = 2800 rpm				n 1 = 1400 rpm				n one = 900, rpm
i	n two , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n two , rpm	T 2M , *N m**	P kw	RD %
seven.five	373	fifty eight	2.fifty	ninety	187	77	1.70	88	one hundred twenty	89	one.30	86
10	280	fifty six	1.ninety	87	a hundred and forty	75	1.30	eighty five	ninety	88	one.00	eighty three
fifteen	187	sixty	1.40	eighty four	ninety three	77	.ninety three	81	sixty	89	0.seventy one	79
20	one hundred forty	sixty three	1.ten	eighty four	70	78	0.seventy one	81	45	ninety one	0.fifty five	78
25	112	62	0.88	82	56	79	0.sixty	77	36	ninety	0.46	seventy four
30	ninety three	fifty six	0.seventy two	seventy six	forty seven	79	0.55	71	thirty	87	0.forty	sixty eight
forty	70	68	0.sixty seven	seventy four	35	85	0.45	69	23	ninety three	0.34	sixty six
fifty	56	fifty nine	0.fifty one	68	28	73	0.34	63	eighteen	86	0.27	60
sixty	47	fifty two	0.forty four	58	23	66	0.thirty	53	fifteen	72	0.23	forty nine
80	35	47	0.30	fifty eight	eighteen	59	0.21	53	11	75	0.17	51
a hundred	28	forty two	0.23	fifty three	14	52	0.sixteen	48	nine	sixty one	0.13	forty four

n1 – rotational pace el. engine
n2 – revolutions on the output shaft
T 2M – torque on the output shaft
P is the optimum allowable engine energy
RD – effectiveness

GEARBOX Characteristic

1.Very good quality,long life time,minimal noise.

two.Compact,handy.

three.Higher performance,large torque.

Total and mounting dimensions NMRV 050

NMRV050 equipment motor has a wide selection of equipment ratios.
Equipment ratios: five, 7.5, ten, fifteen, 20, 25, 30, 40, fifty, sixty, eighty, a hundred .

Output flange to NMRV 050 gearbox

Geared NMRV050 can be provided with unilateral or bilateral output shaft.
The gearbox arrives regular with a hollow output shaft

A torque arm is an added choice to the gearbox.

Model	NMRV Series
Single Stage	RV25-RV150
Ratio	7.5-100
Input Electrical power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Main components	worm wheel,worm shaft
Core parts materials	worm shaft:twenty Cr Mn Ti,worm wheel:Nodular forged iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-one hundred fifty:GN460-W mineral oil
Bearings	C&U

/ Piece
| 10 Pieces

(Min. Order)

###

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

###

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \|

###

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
i	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
7.5	373	58	2.50	90	187	77	1.70	88	120	89	1.30	86
10	280	56	1.90	87	140	75	1.30	85	90	88	1.00	83
15	187	60	1.40	84	93	77	0.93	81	60	89	0.71	79
20	140	63	1.10	84	70	78	0.71	81	45	91	0.55	78
25	112	62	0.88	82	56	79	0.60	77	36	90	0.46	74
30	93	56	0.72	76	47	79	0.55	71	30	87	0.40	68
40	70	68	0.67	74	35	85	0.45	69	23	93	0.34	66
50	56	59	0.51	68	28	73	0.34	63	18	86	0.27	60
60	47	52	0.44	58	23	66	0.30	53	15	72	0.23	49
80	35	47	0.30	58	18	59	0.21	53	11	75	0.17	51
100	28	42	0.23	53	14	52	0.16	48	9	61	0.13	44

###

1.Good quality,long life time,low noise.

2.Compact,convenient.

3.High efficiency,big torque.

###

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

###

/ Piece
| 10 Pieces

(Min. Order)

###

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

###

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \|

###

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
i	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
7.5	373	58	2.50	90	187	77	1.70	88	120	89	1.30	86
10	280	56	1.90	87	140	75	1.30	85	90	88	1.00	83
15	187	60	1.40	84	93	77	0.93	81	60	89	0.71	79
20	140	63	1.10	84	70	78	0.71	81	45	91	0.55	78
25	112	62	0.88	82	56	79	0.60	77	36	90	0.46	74
30	93	56	0.72	76	47	79	0.55	71	30	87	0.40	68
40	70	68	0.67	74	35	85	0.45	69	23	93	0.34	66
50	56	59	0.51	68	28	73	0.34	63	18	86	0.27	60
60	47	52	0.44	58	23	66	0.30	53	15	72	0.23	49
80	35	47	0.30	58	18	59	0.21	53	11	75	0.17	51
100	28	42	0.23	53	14	52	0.16	48	9	61	0.13	44

###

1.Good quality,long life time,low noise.

2.Compact,convenient.

3.High efficiency,big torque.

###

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

###

Types of Vehicle Gearboxes

In a vehicle, there are many types of gearboxes available. There are planetary gearboxes, Coaxial helical gearboxes, and skew bevel helical gearboxes, among others. In this article, we’ll cover all of them and help you determine which type of gearbox would be right for your vehicle. Also, we’ll discuss how each differs from the others.
gearbox

planetary gearbox

A planetary gearbox is composed of three main components: a sun gear, an input bevel gear, and an output shaft. A planetary gearbox can have different output torques and ratios. The basic model of a planetary gearbox is highly efficient and transmits 97% of the power input. There are several kinds of planetary gearboxes, depending on the type of operation. In general, there are three types: the simple, the intermediate, and the complex.
The price of a planetary gearbox can vary a lot, and it’s important to know what you’ll need. Different manufacturers produce different planetary gearboxes, so check with a manufacturer to see what they have available. Make sure to check the quality of the planetary gearbox before making a final purchase. In addition, be sure to compare the prices and the availability of a particular product. A quality planetary gearbox will provide years of trouble-free operation and will not break your bank.
Planetary gears feature an integer number of teeth. Each planet has teeth that must mesh with its ring or sun. The number of planets, ring, and tooth count of each gear determine whether the teeth mesh. Some planets have fewer teeth than others, so they mesh better than others. However, compound planets can be more flexible and achieve higher reduction ratios. If you’re looking for a planetary gearbox for your next project, consider getting in touch with a manufacturer who specializes in this technology.
When it comes to construction, a planetary gearbox is no exception. It’s extremely important to choose the right planetary gear for your application, because an imbalance in the planet gear can cause increased wear and failure. Moreover, the compact size of a planetary gear ensures maximum heat dissipation. However, a planetary gear box may require cooling in some applications. A planetary gearbox will make your life easier, and it will give you years of trouble-free operation.

Straight bevel helical gearbox

The Straight bevel helical gearbox has a number of advantages, but it has a relatively short manufacturing process. Its most popular application is in the automotive industry, where it is used in many types of vehicles. Other applications include heavy and light equipment and the aviation and marine industries. Below is a brief introduction to this gearbox type. Read on to learn about its benefits. This type of gearbox is one of the easiest to manufacture.
The spiral bevel gear has larger teeth than straight bevel gears, resulting in a smoother, quieter rotation. It can handle high-speed heavy loads with less vibration. Spiral bevel gears are classified by their tooth form and cutting method. Straight bevel gears are easier to design and manufacture, but spiral bevel gears are more expensive. Both designs are suitable for high-speed, heavy-load operations, and general manufacturing applications.
In addition to being easy to install, the modular bevel gears have many advantages. They have an exceptionally high degree of interchangeability and feature the highest standards of component integrity. They can also be tailored to meet your specific requirements. The advantages of this gearbox type include high precision, optimum performance, and low noise. And because they are modular, they can be produced in a variety of finishes. These include stainless steel, titanium, and bronze.
Straight bevel helical gearbox manufacturers are committed to a high degree of precision in their designs. The radii, torques, and tooth profiles of straight bevel gears are more precisely measured than those of cylindrical bevel gears. The same calculations are used for all traditional bevel gear generators. This ensures that your 5-axis milled bevel gear sets have the same calculations and layout.
gearbox

Coaxial helical gearbox

The Coaxial helical gearbox is a highly efficient transmission system that is well suited for light-duty applications. Compared to spur-type gearboxes, the real pitch of a Coaxial helical gearbox is low at all helix angles. This is because the coaxial type has the same number of teeth and center gap as the spur gearbox. Coaxial helical gearboxes also have a smaller footprint and are compact.
Several nations have implemented lockdown regulations for Industrial Gearbox trade, threatening the global economy. Several factors have been implicated in COVID-19, including supply chain, market, and financial markets. Experts are monitoring the situation globally and project remunerative prospects for gearbox manufacturers after the crisis. This report depicts the latest scenario and offers a comprehensive analysis of COVID-19’s impact on the entire industry.
This Coaxial helical gearbox features a compact structure and high precision gear. Its three-stage design combines two-stage gears with a single-stage gear, forging high-quality alloy steel for high precision and durability. The gears are serially-designed for easy interchangeability. They are also available in high-frequency heat-treated steel. A Coaxial helical gearbox is the perfect solution for many applications.
Coaxial helical gearboxes have the added benefit of using cylindrical gears instead of shafts. They operate quietly, and have more surface area to interact with. Their fixed angles make them suitable for heavy-duty applications, like in conveyors, coolers, and grinders. Compared to other gearbox types, Helical gearboxes have higher power-carrying capacity. Listed below are the benefits of a Coaxial Helical Gearbox

Skew bevel helical gearbox

A Skew bevel helical gear box is a common type of industrial gearbox. These gearboxes are rigid and compact and can be used in a variety of applications. They are commonly used in heavy-duty applications such as grinding mills, conveyors, and coolers. They are used in many applications to provide rotary motions between non-parallel shafts. They also have the added benefit of high-efficiency in a variety of industries.
Skew bevel helical gear boxes are suitable for heavy loads and are monolithic in construction. This type of gearbox combines the benefits of bevel and helical gears for right-angle torque, which makes it a popular choice for heavy-duty applications. In addition to being a robust and reliable gearbox, these gearboxes are highly customizable and can meet almost any industrial need.
To maximize the efficiency of bevel gears, FE-based tooth contact analysis is used to develop a sophisticated geometry optimization algorithm. The software also allows users to define optimal flank topography by introducing application-specific weightings for specific load levels. With this data, a manufacturing simulation is conducted to determine the best variant. A robust variant combines the benefits of efficiency, load-carrying capacity, and low excitation behavior.
The helical gear can be angled at 90 degrees. This is similar to a spur gear but produces less noise. It can achieve a nine-to-one speed reduction with one stage. However, a helical gear requires a larger driver gear for higher reductions. This gearbox is suitable for speeds from 1:1 to three times. They are often used in the manufacture of motors and generators.
gearbox

Extruder helical gearbox

An extruder helical gearbox is one of the most common industrial gears. It is compact in size and low-power consuming, making it ideal for heavy-duty applications. Extruder helical gearboxes are suitable for a variety of industrial applications, including cement, plastics, rubber, conveyors, and coolers. In addition to its use in plastics and rubber manufacturing, this gearbox is also useful in other low-power applications such as crushers, coolers, and conveyors.
CZPT SG series Extruder Helical Gearboxes are available in Single Screw and Twin Screw Variations. These gears feature a compact design, high power density, and long service life. Axial bearing housing and thrust bearings are mounted on the input shafts. Extruder helical gearboxes can be installed in various positions, including horizontal, vertical, and inclined.
Helicoidal gears are often produced in a modular manner. This design provides multiple benefits, including engineering and performance advantages, modular production, and the highest level of component integrity. A single helical gearbox can be assembled into a larger gearbox if needed, but modular production ensures consistent performance and economy. This modular design is also cost-effective. It is a versatile and reliable solution for a wide range of applications.
In addition to its efficiencies, Extruder helical gearboxes also have a low noise profile. They have no squeal sounds, and they are silent when running. They can transfer more power than conventional gearboxes. This type of gear has been used in the manufacturing of high-quality plastic products for years. They are often used for applications in automotive transmissions. Aside from being quiet, helical gears have higher contact levels and lower vibration.

China Nmrv/Nrv Nmrv050 Worm Gear Speed Reduction Reducer Gearbox differential gearbox
editor by CX 2023-04-04

China High Quality Electric Speed Reducer Gear Box Reducer Motors 220VAC best automatic gearbox

Solution Description

High Good quality electric speed reducer box equipment reducer motors 220vac

High High quality electric speed reducer box gear reducer motors 220vac

Shipping Cost: Estimated freight per unit.	To be negotiated

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Application:	Motor
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type

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Samples:	US$ 30/Piece 1 Piece(Min.Order) \| Order Sample

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Customization:	Available \| Customized Request

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High Quality electric speed reducer box gear reducer motors 220vac

Shipping Cost: Estimated freight per unit.	To be negotiated

###

Application:	Motor
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type

###

Samples:	US$ 30/Piece 1 Piece(Min.Order) \| Order Sample

###

Customization:	Available \| Customized Request

###

High Quality electric speed reducer box gear reducer motors 220vac

Types of Vehicle Gearboxes

planetary gearbox

Straight bevel helical gearbox

Coaxial helical gearbox

Skew bevel helical gearbox

Extruder helical gearbox

China High Quality Electric Speed Reducer Gear Box Reducer Motors 220VAC best automatic gearbox
editor by czh 2023-02-03

China RV25-185 Speed Worm drive Gear Reducer gearbox gearmotor gearbox assembly

Relevant Industries: Building Content Stores, Manufacturing Plant, Machinery Mend Retailers, Meals & Beverage Manufacturing unit, Farms, Printing Outlets, Development works , Strength & Mining, Meals & Beverage Shops, Other
Weight (KG): two
Custom-made assist: OEM, ODM
Gearing Arrangement: Worm
Output Torque: UP TO 2320
Input Pace: 1400rpm or other
Output Pace: fourteen~186.7rpm
Item name: RV25-185 Pace Worm drive Gear Reducer gearbox with motor
Ratio: 7.5,ten,fifteen,20,30,40,fifty,sixty,80,a hundred
Colour: K-9149 (Grey )OR RAL5571(blue)
Label: As required
Housing Materials: Aluminum&iron cating
Enter Kind: IEC flange for mounting motor
Mounted Sort: flange-mounted mounting
Guarantee: 1 year after vessel date
Output Type: Strong or Hollow shaft,flange output
Top quality Control Technique: ISO9001:2008
Packaging Details: Tiny size(RV25~RV90): regular export packing (carton and pallet) Massive measurement(RV110~RV150): Honeycomb carton and pallet Huge dimension(185): wood case and pallet fumigated wooden carton or non-wood packing substance carton
Port: HangZhou/ZheJiang

Main Products

Variety	Worm Equipment Speed Reducer/ gearbox
Model	WMRV twenty five/30/forty/50/sixty three/75/90/a hundred and ten/130/a hundred and fifty/185
Ratio	7.5,ten,fifteen,20,25,30,40,fifty,60,80,100.
Colour	Blue(RAL5571)/Silver grey (K9149) Or On Consumer Request
Substance	Aluminum alloy
		Worm wheel: Aluminum Bronze or Zinc Bronze
		Worm shaft: 20CrMn Ti
		Output Shaft: steel-45#
Packing	Carton, Honey Comb Carton, Wood Scenario with wood pallet
Guarantee	1 12 months
Input Power	.09kw,.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on.
Usages	Industrial Equipment: Meals Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wooden doing work, Glass.
IEC Flange	IEC regular flange or on customer request
Lubricant	Artificial oil or worm gear oil

>Click Here To Get in touch with< Product Advantages Enterprise Strength Certificate Global Exhibition Customer Comments FAQ 1. How to choose a gearbox which fulfills our necessity?You can refer to our catalogue to choose the gearbox or we can help to select when you providethe specialized details of required output torque, output speed and motor parameter and so on. 2. What details shall we give ahead of positioning a buy get?a) Variety of the gearbox, ratio, input and output kind, enter flange, mounting place, and motor informationetc.b) Housing colour.c) Obtain amount.d) Other unique requirements. three. What industries are your gearboxes getting employed?Our gearboxes are broadly employed in the locations of textile, foodstuff processing, beverage, chemical sector,escalator,automated storage gear, metallurgy, tabacco, environmental protection, logistics and and many others. 4. Doyou promote motors?We have steady motor suppliers who have been coperating with us for a extended-time. They can offer motorswith higher top quality. >Return Property<

Types of Gearboxes

There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.
gearbox

planetary gearbox

The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?

helical gearbox

The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.
gearbox

helical gear reducer

A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.
gearbox

Continuously variable transmission

A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.

China RV25-185 Speed Worm drive Gear Reducer gearbox gearmotor gearbox assembly
editor by czh

Product Description

How to Calculate Gear Ratio in a Gearbox

Product Description

Type designation scheme

NMRV 130 gearbox performance

Overall and mounting dimensions NMRV 130 NMRV130 gear motor has a wide range of gear ratios.Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 . Output flange to NMRV 130 gearbox

How to Calculate Gear Ratio in a Gearbox

Product Description

How to Choose the Right Gearbox for Your Machinery

Product Description

Type designation scheme

NMRV 150 gearbox performance

Overall and mounting dimensions NMRV 150 NMRV150 gear motor has a wide range of gear ratios.Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 . Output flange to NMRV 150 gearbox

Steps to Replace a Faulty Gearbox in an Automobile

Product Description

Type designation scheme

NMRV 040 gearbox performance

Overall and mounting dimensions NMRV 040 NMRV040 gear motor has a wide range of gear ratios.Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 . Output flange to NMRV 040 gearbox

Can I Use Synthetic Oil in My Gearbox?

Product Description

Q: Are you trading company or manufacturer ?

Q: How long is your delivery time?

Q: Do you provide samples ? is it free or extra ?

Q: What is your terms of payment ?

The Parts of a Gearbox

Components

Functions

Maintenance

Product Description

How to Select a Gearbox

Function

Purpose

Application

Material

Manufacturing

Product Description

Type designation plan

NMRV 050 gearbox overall performance

Total and mounting dimensions NMRV 050 NMRV050 equipment motor has a wide selection of equipment ratios.Equipment ratios: five, 7.5, ten, fifteen, 20, 25, 30, 40, fifty, sixty, eighty, a hundred . Output flange to NMRV 050 gearbox

Types of Vehicle Gearboxes

planetary gearbox

Straight bevel helical gearbox

Coaxial helical gearbox

Skew bevel helical gearbox

Extruder helical gearbox

Solution Description

Types of Vehicle Gearboxes

planetary gearbox

Straight bevel helical gearbox

Coaxial helical gearbox

Skew bevel helical gearbox

Extruder helical gearbox

Types of Gearboxes

planetary gearbox

helical gearbox

helical gear reducer

Continuously variable transmission

Overall and mounting dimensions NMRV 130

NMRV130 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 130 gearbox

Overall and mounting dimensions NMRV 150

NMRV150 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 150 gearbox

Overall and mounting dimensions NMRV 040

NMRV040 gear motor has a wide range of gear ratios.
Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 040 gearbox

Total and mounting dimensions NMRV 050

NMRV050 equipment motor has a wide selection of equipment ratios.
Equipment ratios: five, 7.5, ten, fifteen, 20, 25, 30, 40, fifty, sixty, eighty, a hundred .

Output flange to NMRV 050 gearbox