Tag Archives: speed gearbox

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:

  1. Identify the input and output gears in the gearbox.
  2. Count the number of teeth on the output gear (the gear connected to the output shaft).
  3. Count the number of teeth on the input gear (the gear connected to the input shaft).
  4. Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
  5. 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	China OEM ZQ500 JZQ500 Type Gear Speed Reducer Gearbox with Motor   gearbox assembly
editor by CX 2023-10-30

China OEM Traveling Speed Reducers Gft7t2 Gearbox Factory Gft Serise gearbox and motor

Product Description

Product Description

traveling gearbox speed reducer.
1.Compact structure of level 2 or 3 planetary gear transmission
2.Special structure can bear large radial load
3.Simple  installation
4.Convenient oil change
5.Can configure hydraulic to open the multi-plate parking brake

 

Delivery time:

We have huge quantity of inventory for complete pumps, motor and some pare pats, 
so the leading time is within 3days if have in stock. 
If haven’t, within 5days if the quantity is less than 50pcs. 
It depends on the quantity ordered.

Min. Order:
If the model is in common or the production are in our stock warehouse, 
No MOQ for stocking production.Larger quantity, price will be more favorable.

Deliever Way:

By courier, like the DHL, UPS, Fedex,etc. It’s door to door or barn to the door,
usually 5-7 days to arrive.

By air to air port, usually 3-5 days to arrive

By sea to sea port, usually 20-30 days to arrive.

If your deliever time is very urgent, we suggest that you choose by courier or air.

If not, it’s very cheap to by sea.

Application: Motor, Machinery, Marine
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Samples:
US$ 199/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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:

  1. Prepare the Vehicle: Park the vehicle on a flat surface and engage the parking brake. Disconnect the battery to ensure safety during the procedure.
  2. Drain Fluids: Drain the transmission fluid from the old gearbox into a suitable container.
  3. Disconnect Components: Remove any components obstructing access to the gearbox, such as the driveshaft, exhaust system, and linkage.
  4. Suspend the Engine: If necessary, use an engine hoist or support to suspend the engine safely.
  5. Support the Gearbox: Use a transmission jack to support the weight of the gearbox.
  6. Remove Gearbox: Detach the gearbox from the engine by removing bolts and disconnecting the clutch or torque converter.
  7. Install New Gearbox: Position the new gearbox onto the engine and secure it in place with bolts.
  8. Reconnect Components: Reattach the driveshaft, exhaust system, and linkage that were disconnected earlier.
  9. Refill Fluids: Fill the new gearbox with the appropriate transmission fluid according to the manufacturer’s specifications.
  10. Lower Engine: Carefully lower the engine back into its original position if it was suspended.
  11. Test and Adjust: Start the vehicle and test the new gearbox for proper operation. Check for any leaks, unusual noises, or gear shifting issues.
  12. Final Check: Double-check all connections and ensure that all components are properly secured.
  13. Dispose of Old Fluid: Dispose of the old transmission fluid safely and responsibly.
  14. 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 OEM Traveling Speed Reducers Gft7t2 Gearbox Factory Gft Serise   gearbox and motor	China OEM Traveling Speed Reducers Gft7t2 Gearbox Factory Gft Serise   gearbox and motor
editor by CX 2023-10-25

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 1 = 2800 rpm 1 = 1400 rpm 1 = 900, rpm
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
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 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:

  1. Identify the input and output gears in the gearbox.
  2. Count the number of teeth on the output gear (the gear connected to the output shaft).
  3. Count the number of teeth on the input gear (the gear connected to the input shaft).
  4. Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
  5. 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	China supplier Nmrv/Nrv Nmrv130 Worm Gear Speed Reduction Reducer Gearbox   automatic gearbox
editor by CX 2023-10-24

China Professional Small High Speed Neugart NEMA 23 34 Mini Hydraulic Motor Precision Speed Increaser Transmission Planetary Gearbox gearbox design

Product Description

We,TOSION Company specialize in hydraulic field for more than 15 years with professional team and experienced engineer.We have 6 factories in NingBo,China.

We,TOSION Company specialize in hydraulic field for more than 15 years with professional team and experienced engineer.We have 6 factories in NingBo,China.We,TOSION Company specialize in hydraulic field for more than 15 years with professional team and experienced engineer.We have 6 factories in NingBo,China.We,TOSION Company specialize in hydraulic field for more than 15 years with professional team and experienced engineer.We have 6 factories in NingBo,China.We,TOSION Company specialize in hydraulic field for more than 15 years with professional team and experienced engineer.We have 6 factories in NingBo,China.

*Advanced manufacturing devices for the Geroler gear set,which use low pressure of startup,provide smooth and reliable operation and high efficiency.

*The output shaft adapts in tapered roller bearings that permit high axial and radial forces.the case can offer capacities of high pressure and high torque in the wide of applications.

*Advance\d desthn ini disc distrbution flow,which can automaticaally compensate in operating with high volume efficiency and long life,provide smooth and reliable operation.

 

 

Type: Plunger Pump, Confirm with The Supplier
Warranty: 1 Year
Factory: Chinese Goods
Delivery Time: 1-5 Days After Payment
Step: Confirm with The Supplier
Size: The Same as The Original
Samples:
US$ 1/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 Professional Small High Speed Neugart NEMA 23 34 Mini Hydraulic Motor Precision Speed Increaser Transmission Planetary Gearbox   gearbox design		China Professional Small High Speed Neugart NEMA 23 34 Mini Hydraulic Motor Precision Speed Increaser Transmission Planetary Gearbox   gearbox design
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.

MARKET30 different countries, mainly Germany, Austria, Japan, USA and Middle-East.

DELIVERY100% on-time delivery Guaranteed.

SERVICESFast response in English, German, Japanese and Chinese languages.

OEMCustomized 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:

  1. Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
  2. 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.
  3. Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
  4. 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.
  5. Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
  6. Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
  7. Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
  8. Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
  9. Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
  10. Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
  11. 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 China Best Sales China High Torque Helical Gear Motor Nmrv Wp Speed Reducer Reductor Worm Gearbox   manufacturer
editor by CX 2023-10-16

China Custom Cast Iron Speed Variator Gearbox Stepless Speed Changer sequential gearbox

Product Description

item

value

Warranty

1 year

Applicable Industries

Manufacturing Plant, Construction works , Energy & Mining, Other

Customized support

OEM

Place of Origin

ZheJiang , China

Input speed

1400rpm

Material

Aluminum

Product name

  Stepless speed changer

MOQ

10pcs

Color

Customization

PRODUCTS CHARACTERISTICS
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.

FAQ
Q1:Are you a manufacturer or trading company?
 Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
 motor.

Q2:How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q3:What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Q4:What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry, escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.

Q6:What’s your warranty terms?
One year

 

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: as for Request
Hardness: Hardened Tooth Surface
Installation: as for Request
Step: as for Request
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Common Problems with Gearboxes and How to Troubleshoot Them

Gearboxes can encounter various issues over time. Here are some common problems and troubleshooting steps:

  1. Noise and Vibration: Excessive noise or vibration may indicate misalignment, worn gears, or insufficient lubrication. Check alignment, inspect gears for wear, and ensure proper lubrication.
  2. Overheating: Overheating can be caused by high friction, inadequate lubrication, or overloading. Verify lubrication levels, reduce loads, and ensure proper ventilation.
  3. Leakage: Oil leaks may result from worn seals or gaskets. Inspect and replace damaged seals, and ensure proper sealing.
  4. Reduced Performance: Decreased performance could be due to worn gears, damaged bearings, or misalignment. Inspect components, replace damaged parts, and realign as needed.
  5. Gear Wear and Tooth Damage: Wear on gear teeth can result from excessive loads or poor lubrication. Replace worn gears and ensure proper lubrication.
  6. Shaft Misalignment: Shaft misalignment can lead to increased wear and noise. Realign shafts using precision measurement tools.
  7. Lubrication Issues: Inadequate or contaminated lubrication can cause premature wear. Regularly check and replace lubricant, and use the correct type for your gearbox.
  8. Bearing Failure: Bearing failure may result from overload, misalignment, or inadequate lubrication. Replace worn bearings and address underlying issues.
  9. Seal Damage: Damaged seals can lead to leaks and contamination. Replace seals and ensure proper installation.
  10. Gearbox Lockup: Gearbox lockup may occur due to foreign objects or damaged components. Disassemble and inspect the gearbox, removing any obstructions and replacing damaged parts.

Regular maintenance, proper lubrication, and timely troubleshooting are key to addressing gearbox problems and ensuring smooth operation.

China Custom Cast Iron Speed Variator Gearbox Stepless Speed Changer   sequential gearbox	China Custom Cast Iron Speed Variator Gearbox Stepless Speed Changer   sequential gearbox
editor by CX 2023-10-11

China Professional Speed One Zpt110 NEMA34 Stepper Motor Gearbox automatic gearbox

Product Description

Relate recommend ?
Planetary gearbox : size 242 and custom size  within 1 stage, 2 stage, 3 stage.
Ac servo motor :Delta, Yasakawa,Panasonic, Mistubishi and economic type
PLC: CHINAMFG semensis Mistubishi and etc
Linear Components: HIWIN, TBI, PMI, ABBA, THK, CPC , and economic type.

Speed One Zpt110 NEMA34 Stepper Motor Gearbox

-Planetary gearbox is a widely used industrial product, which can reduce the speed of motor and increase the output torque. Planetary reducer can be used as supporting parts in lifting, excavation, transportation, construction and other industries.

-Stage Ratio :3,4,5,7,10
-Product picture

-Datasheet

-Company introduction
FOCUS is an automation & drive focused global company, providing global customers with control, display, drive and system solutions & other related products and services, under the support of its excellent electrical and electronic technology as well as strong control technical force.
 
We provide and develop perfect products and solutions according to different requirement of the industry. Our products have been used and applied successfully in packing, printing, textiles, plastic injection, elevator, machine tool, robot,wood cutting, stone carving, ceramic, glass, paper making industry, crane, fan & pump, new energy resources etc.

FOCUS, your professional electrical partner !

-Payment & Package & Delivery 
1,Payment
( T/T , Western union, Paypal , L/C and so on )
2,Pakcage
( Small gearbox use carton package, Big gearbox use wooden box package ) 
3,Delivery
( By International Express,  By Air , By Sea )

 

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Single-Step
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:

  1. Identify the input and output gears in the gearbox.
  2. Count the number of teeth on the output gear (the gear connected to the output shaft).
  3. Count the number of teeth on the input gear (the gear connected to the input shaft).
  4. Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
  5. 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 Professional Speed One Zpt110 NEMA34 Stepper Motor Gearbox   automatic gearbox	China Professional Speed One Zpt110 NEMA34 Stepper Motor Gearbox   automatic gearbox
editor by CX 2023-10-06

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 1 = 2800 rpm 1 = 1400 rpm 1 = 900, rpm
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
2M ,
N * m
P
kw
RD
%
2 ,
rpm
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:

  1. Prepare the Vehicle: Park the vehicle on a flat surface and engage the parking brake. Disconnect the battery to ensure safety during the procedure.
  2. Drain Fluids: Drain the transmission fluid from the old gearbox into a suitable container.
  3. Disconnect Components: Remove any components obstructing access to the gearbox, such as the driveshaft, exhaust system, and linkage.
  4. Suspend the Engine: If necessary, use an engine hoist or support to suspend the engine safely.
  5. Support the Gearbox: Use a transmission jack to support the weight of the gearbox.
  6. Remove Gearbox: Detach the gearbox from the engine by removing bolts and disconnecting the clutch or torque converter.
  7. Install New Gearbox: Position the new gearbox onto the engine and secure it in place with bolts.
  8. Reconnect Components: Reattach the driveshaft, exhaust system, and linkage that were disconnected earlier.
  9. Refill Fluids: Fill the new gearbox with the appropriate transmission fluid according to the manufacturer’s specifications.
  10. Lower Engine: Carefully lower the engine back into its original position if it was suspended.
  11. Test and Adjust: Start the vehicle and test the new gearbox for proper operation. Check for any leaks, unusual noises, or gear shifting issues.
  12. Final Check: Double-check all connections and ensure that all components are properly secured.
  13. Dispose of Old Fluid: Dispose of the old transmission fluid safely and responsibly.
  14. 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	China best Nmrv/Nrv Nmrv150 Worm Gear Speed Reduction Reducer Gearbox   gearbox drive shaft
editor by CX 2023-10-04

China Custom Wpdo 135 Worm Gearbox Speed Reducer with Best Sales

Product Description

WPDO speed reducer,; worm gear box

Rated Power 3.;0~4.;0kw
Output Speed 23~140rpm
Output Torque 19-2745n.;M
Ratio 1/10~1/60

Model NO.;:; WP series                       Manufacturing Method:; Cast Gear
Toothed Portion Shape:; Spur Gear          Type:; Worm and Wormwheel
Gearing Arrangement:; Worm                 Output Torque:; 19-2745n.;M
Rated Power:; 3.;0~4.;0kw                     Input Speed:; 1400
Output Speed:; 23~140rpm                   Place of Origin:; ZHangZhoug,;China
Model Number:; Wpdo                        Brand Name:; EED
Color:; Green,;Yellow or According to Custom  Extra Service:; OEM Welcome!!!
Specification:; SGS,; ISO9001                 Origin:; ZHangZhoug,; China
HS Code:;                      Worm gear box

1.; Widely used in turbines,; shaft liners and axletrees,; good resistance to wearing,; with high precision in dimensions,; lower noise,; advanced centric running castings
2.; Without vent and highly precision
3.; The whole structure is compact and the weight is larger

1.; Notice of installation

1.;1 Thebase-plate must be plane and stoutness,; and the base-plate must be screwed downand shockproof.;
1.;2 Theconnecting shaft of prime mover,; reducer and operation device must be coaxialinstallation.;
1.;3 Thediameter tolerance zone of input and output shaft is H6,; the holes of fittings(such as couplings,; belt-pulley,; sprocket wheel and so on); must properly matethe shaft,; which prevents bearing from breakage because of over-loose mate.;

1.;4 Driverssuch as sprocket wheel and gear must be fitted close to bearings in order toreduce bending stress of hanging shaft.; 1.;5 Whiteassembling motor of WPD reducer,; it is necessary that proper amount of butterapplies to the worm shaft input hole and keyway,; avoiding assembling tootightly and rusting after using for a long time.; 1.;6 WhenOrdering or using all kinds of WPD type,; if the motor weight is binger than thecommon,; supporting set is required.;

2.; Notices of usage

2.;1 Before using,; please check carefully whether the reducer model,; distance,; ratio,; input connecting method,; output shaft structure,; input and output shaftdirection and revolving direction accord with requirement.;

2.;2 According to the requirement of selecting lubricant oil in the productmanual,; please fill proper category and brand lubricant.; And then screw on thevent-plug; Unlock the small cone-plug of vent-plug.; Only after doing these,; reducer is already for starting up running.; The proper brand and adequatelubricant oil is required,; replacing oil in time conforming to the request ofproduct manual is also necessary,; especially after using first 100 hours,; it isrequired refilling new oil.;

2.;3 Whenabnormal circumstances occur,; please stop and check reducer per solutions andreasons for faults of reducer (allowable highest oil temperature is 95,; under this temperature limit,; ifoil temperature no more goes up,; please let reducer continue running);
 

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Single-Step
Customization:
Available

|

Customized Request

gearbox

Different Types of Gearboxes and Their Applications

There are several types of gearboxes, each designed for specific applications based on their characteristics and capabilities. Here are some common types and their applications:

  • Spur Gearbox: Spur gearboxes consist of parallel-shaft gears with straight teeth. They are simple and economical, suitable for low-speed and low-torque applications such as conveyors, machine tools, and clocks.
  • Helical Gearbox: Helical gearboxes have helical teeth that provide smoother and quieter operation compared to spur gears. They are used in various industries, including automotive, construction, and mining equipment.
  • Bevel Gearbox: Bevel gearboxes transmit power between non-parallel shafts. They are commonly used in vehicles, marine applications, and heavy machinery where changing the direction of motion is necessary.
  • Planetary Gearbox: Planetary gearboxes offer high torque density and compact size. They are used in robotics, automation, and precision machinery due to their efficiency and versatility.
  • Worm Gearbox: Worm gearboxes have a worm screw meshing with a gear wheel. They provide high reduction ratios and are used in applications like conveyor systems, elevators, and packaging equipment.
  • Cycloidal Gearbox: Cycloidal gearboxes use cams and pins for motion transmission, making them highly durable and shock-resistant. They find use in industrial machinery and robotics.
  • Spiral Bevel Gearbox: Spiral bevel gearboxes combine the advantages of bevel and helical gears, providing high efficiency and smooth operation. They are employed in vehicles, aircraft, and machine tools.

Each type of gearbox offers specific advantages suited to its application, enabling efficient power transmission and control in various industries.

China Custom Wpdo 135 Worm Gearbox Speed Reducer   with Best Sales China Custom Wpdo 135 Worm Gearbox Speed Reducer   with Best Sales
editor by CX 2023-09-28

China wholesaler 42 Stepper Motor Speed Reducer 25.5mm Depth Input Hole NEMA 17 Low Backlash High Torque Planetary Gearbox with Good quality

Product Description

 

Company Profile

HPS is a leading manufacturer and supplier of planetary gearbox and gear motor in China, Our company covers an area of 6 pcs. Meanwhile, all 6 production lines strictly comply with ISO 9001 and CE to control the quality. wide-range series products have been exported to 30+ countries all over the world. 
Besides, we are making great efforts to customize and provide complete solutions to meet different clients’ requirements and market. Our R&D team has 15 years experience in this field, makes our company honored with many invention patents and utility patents,  which makes CHINAMFG the most trustable and reliable manufacturer.

Product Parameters

 

SPECIFICATIONS STAGE RATIO RATED TORQUE (N.m)
PLE42-L1SW Planetry Gearbox L1 4 9
5 9
7 5
10 5
Adapted motor ∅5-24/ ∅22-2/F31-M3
Rated Input Speed (rpm) 1000
Max Input Speed (rpm) 2000
Backlash L1 ≤10 Arcmin
Fault stop torque(N.m) 2 times of rated torque
Efficiency L1 96%
Average life span 20000h
Operating temperature -10°~+90°
Nosie  ≤55 db
IP 54
Installation method Any installation method

Application Fields

Exhibition

 

HPS attends 5-6 exhibitions every year, both solar PV exhibitions and automation industry exhibitions, professional sales team and quality products build CHINAMFG a good reputation in the market.

Certificates

Successful Projects

Packaging & Shipping

FAQ

 

Q1:Which areas are your products mainly used in?

A:At present, we have 2 main products: precision planetary gear reducer and solar geared motor. Most of the precision planetary reducers are used in automation fields, such as medical equipment, 3D printers, door openers, tapping machines, CNC lathes and a series of automation equipment. In addition, our solar geared motors are used in photovoltaic power generation projects, which are mainly combined with rotary drives to drive solar panels to track sunlight.
Q2: How to choose the suitable planetary gearbox?
A :First of all, we need you to be able to provide relevant parameters. If you have a motor drawing, it will let us recommend a suitable gearbox for you faster. If not, we hope you can provide the following motor parameters: output speed, output torque, voltage, current, IP, noise, operating conditions, motor size and power, etc.
Q3: What is the price ?
A : The main determining factor for the price of each product is the order volume. You can communicate with us and let us understand each other. I believe that our prices, product quality and our services can definitely make you satisfied.

Q4: Do you provide customized service?

A: Yes, we provide customized services. You only need to put CHINAMFG your needs, and we will do our best to provide you with a plan, make plans, and try our best to meet your needs.

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Samples:
US$ 40/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

gearbox

Benefits of Regular Gearbox Maintenance

Regular maintenance of gearboxes offers numerous advantages:

  • Extended Lifespan: Proper maintenance helps prevent premature wear and breakdown, increasing the gearbox’s overall lifespan.
  • Reduced Downtime: Regular inspections and maintenance can identify issues early, minimizing unplanned downtime for repairs.
  • Improved Efficiency: Well-maintained gearboxes operate more efficiently, leading to energy savings and optimized performance.
  • Cost Savings: Routine maintenance reduces the need for costly major repairs or replacements.
  • Enhanced Safety: Regular maintenance ensures safe operation by addressing potential hazards and malfunctions.
  • Optimal Performance: Properly maintained gearboxes deliver consistent and reliable performance for machinery and equipment.
  • Preserved Functionality: Maintenance prevents issues that could lead to reduced functionality or complete failure.
  • Reduced Environmental Impact: Well-maintained gearboxes consume less energy and minimize waste, contributing to sustainability efforts.
  • Compliance: Regular maintenance helps meet industry regulations and standards for equipment safety and performance.

Implementing a proactive maintenance plan can provide these benefits and contribute to the overall success of your machinery and operations.

China wholesaler 42 Stepper Motor Speed Reducer 25.5mm Depth Input Hole NEMA 17 Low Backlash High Torque Planetary Gearbox   with Good quality China wholesaler 42 Stepper Motor Speed Reducer 25.5mm Depth Input Hole NEMA 17 Low Backlash High Torque Planetary Gearbox   with Good quality
editor by CX 2023-09-26