Tag Archives: worm gearbox

China Standard Nmrv040 Worm Gearbox Ratio 5-100 Aluminum Alloy supplier

Product Description

Introduction of Worm Gearbox

1. Made of high-quality aluminum alloy or stainless steel, 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.

Worm Gearbox Main Materials

1. Housing: Die-cast aluminum alloy(frame size 571-090); cast iron(frame size 110-150 ).

2. Worm shaft: 20CrMnTi, carbonize heat treatment make the hardness of gear’s surface up to 56-62 HRC. Retain carburization layer’s thickness between 0.3 and 0.5mm after precise grinding.

3. Worm wheel: Wearable tin bronze alloy.
Detailed Specification

Type Worm Gear Speed Reducer
Model NMRV571-150
Ratio 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Color Blue/Silver or on customer request
Material Housing: Aluminium alloy or cost 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 KSK
Temperature -30­40ºC
IEC Flange B5/B14
Rated Power 0.06KW~15KW
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.

Mounting Method

NMRV PAM N M P D
IEC 5 7.5 10 15 20 25 30 40 50 60 80 100
571 56B14 50 65 80 9 9 9 9 9 9 9 9 9
030 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                        
040 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
050 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
063 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                        
075 100/112B5 180 215 250 28 28 28
100/112B14 110 130 160                        
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
090 100/112B5 180 215 250 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

Note:
We only show several motor models, if these models are not what you want, please freely tell us about your requirement. We will provide you with a suitable motor solution and price soon.
FAQ
1 Q: What’s your MOQ for gear motor and gearbox?
   A: 1 unit is OK for sample testing.
 
2 Q: What about your warranty for your gear motor and gearbox?
   A: One year.
 
3 Q: Do you provide OEM service with customer-logo?
   A: Yes, we could do OEM orders.
 
4 Q: How about your payment terms ?
   A: T/T, western union and paypal. 100% payment in advanced for orders less $10,000. 50% deposit and balance before delivery for orders over $10,000.
 
5 Q: How about your packing ?
   A: Carton, plywood case and pallet.
 
6 Q: What information should be given, if I buy gear motor and gearbox from you ?
   A: Rated power, gearbox ratio, input speed, mounting position. More details, better!
 
7 Q: How do you deliver the gear motor and gearbox?
   A: We will compare and choose the most suitable ways of delivery by sea, air or express courier after customer’s confirmation.
 
Warmly welcome your inquiry!

 

Application: Motor, Machinery, Marine, Toy, Agricultural Machinery, Industrial Worm Gearbox
Hardness: Hardened Tooth Surface
Installation: Full Ranges
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Three-Step
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

What is a Gearbox and How Does It Work?

A gearbox is a mechanical device that transmits power and changes the speed or torque of a rotating input shaft to a different output shaft. It is commonly used in various machines and equipment to control the speed and direction of motion.

Here’s how a gearbox works:

  1. Input Shaft: The gearbox receives rotational energy from an input shaft connected to a power source, such as an electric motor or an engine.
  2. Gears: Inside the gearbox are a set of gears with different sizes. These gears mesh with each other, and their arrangement determines the gear ratio, which defines how many revolutions the output shaft will make for a given rotation of the input shaft.
  3. Output Shaft: The output shaft is connected to the machinery or equipment that needs to be powered. As the gears rotate, the motion and power are transmitted from the input shaft to the output shaft.
  4. Gear Ratio: By selecting different gear combinations, the gearbox can change the speed and torque of the output shaft. A higher gear ratio results in higher torque and lower speed, while a lower gear ratio provides higher speed and lower torque.

Gearboxes play a crucial role in various applications, including automobiles, industrial machinery, robotics, and more, enabling efficient power transmission and speed control.

China Standard Nmrv040 Worm Gearbox Ratio 5-100 Aluminum Alloy   supplier China Standard Nmrv040 Worm Gearbox Ratio 5-100 Aluminum Alloy   supplier
editor by CX 2023-10-27

China wholesaler China Supplier Declutch Manual Worm Gearbox Hand Wheel Gear Operator gearbox design

Product Description

Description

HGB series valve manual device adopts worm gear and worm drive pair.and high performance needle roller bearing is installed at both ends of the worm, with compact structure. At the same time, the requirement of thrust in the process of positive inversion is ensured, Large torque, high mechanical efficiency, small size, easy operation and reliable self locking.
 

Main Product features:

1.Precision casting aluminum alloy box

2.Specifications are optional.

3.Reliable thrust roller bearing

4.High strength steel input shaft with protection.

5.Stroke:0-90°(±5° degrees adjustable)

6.Built in grease to improve service life.

7.Adjustable mechanical limit.

8.Good seal

Connect With Valve

HGB series valve worm gear box and valve connection using flange connection mode, connection flange size conforms to EN ISO 5210 or DIN 3210 requirements, can also be customized according to customer requirements.

 

Model Connect With Ball Valve Connect With Butterfly Valve
HGB-01 DN25-40 DN50-100
HGB-02 DN50-65 DN125-DN150
HGB-03 DN80-100 DN200-250
HGB-04 DN125-150 DN300-DN350

1. Question:What is your main products?

   Answer:Our main products are Pneumatic Actuators, Electric Actuators, Actuated Valves And Valve actuators Accessories..
 

2. Question:Are you a trader or manufacturer ?

   Answer: We are the pneumatic actuators and electric actuators manufacturer , we have ability to do the customization products with experienced team, And we have own factory and production line.
 

3. Question:How do your make the quality guarantee for actuators?

   Answer:We have our own quality control system for incoming and outgoing of the materials, every product will be under controlled and tested before delivery to our customer , and we also provide 18 months guarantee ,beside we provide technical supporting .

4.  Question:When can I receive the Price of valve actuators ?

   Answer:We will give the Quotation Within 24 hours after we get your inquiry .Or Your can call or message us if it’s quite urgently.
 

5. Question:How to order our pneumatic actuators and electric actuators ?

   Answer:Please send us your inquiry by Email, , etc. we need to know the following informations before giving the formal Quotation.
1) Product information in details, Quantity, Other requirements
2) Delivery time required
 

6. Question:How can I get a sample to check your quality?

   Answer:Contact with our sales expert to arrange the sample delivery. Please send us the details of the sample before placing the order.
 

7. Question:Shall we pay the sample cost and transportation cost ?

   Answer:We will provide the sample by free of charge. Your will bear the freight cost.
 

8. Question:How long to prepare the sample ?

   Answer:Most of our products are under regular production and some of them we keep in stocks.
 

9. Question:How to delivery the sample to our place?

   Answer:Your can provide your forwarders contacts if any, or we will arrange it for you.
 

10. Question:What about the delivery date if we place the formal order ?

   Answer:Usually it takes 15~20days on the production .We know that on-time delivery is very crucial to our customers to meet dead-lines.
We monitor and expedite our supply chain to ensure that we delivery our products to our customers on-time all the time.

Application: Motor
Function: Change Drive Direction, Speed Changing
Layout: Coaxial
Hardness: Soft Tooth Surface
Installation: Torque Arm Type
Step: Double-Step
Samples:
US$ 40/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 wholesaler China Supplier Declutch Manual Worm Gearbox Hand Wheel Gear Operator   gearbox design		China wholesaler China Supplier Declutch Manual Worm Gearbox Hand Wheel Gear Operator   gearbox design
editor by CX 2023-10-26

China Standard Wpa 40 50 60 70 80 100 135 155 175 200 250 Motovari Like Worm Gearbox with Best Sales

Product Description

Products Description

Type

WPA gears,gearboxes,transmission

Size

40-250

Ratio

10,15,20,25,30,40,50,60

Mounting Position

Foot mounted, flange mounted

Output Form

Solid shaft, hollow shaft

Material of Housing

Casting Iron

Material of Shaft

Chromium steel

Bearing

REN BEN.CU

Technical Parameters

Packing and shipping

Our certificate

Customer visit

Company Profile

HangZhou HangZhoun Machinery Co., Ltd. is a professional machinery manufacturing enterprise, with 20 years of experience in the field of machinery manufacturing and the ability of independent research and development. Our products rely on advanced technology, reliable quality, excellent prices to win the trust of customers. The products are sold to more than 50 countries all over the world, and have a good cooperative relationship with customers. Our products enjoy a one-year warranty service for major parts, and our 24-hour technical team provides customer service.

Application: Machinery
Function: Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-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 Standard Wpa 40 50 60 70 80 100 135 155 175 200 250 Motovari Like Worm Gearbox   with Best Sales China Standard Wpa 40 50 60 70 80 100 135 155 175 200 250 Motovari Like Worm Gearbox   with Best Sales
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 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 China Supplier Hdm Series De-Clutchable Worm Gear Box Manual Override Worm Gearbox gearbox definition

Product Description

Description

 

HDM De-clutchable wormgear offers simple and reliable manual positioning of the valves, dampers and other quarter-turn devices when overriding existing pneumatic, electric or hydraulic quarter-turn actuators. All unit are suitable for both indoor and outdoor installation. The modular design is to provide the most efficient and effective solution to a full range of manual overriding requirements.

Main Product features
 

To engage manual operation, first pull out the lock handle and then rotate the clutch lever in anti-clockwise direction until engagement takes place. To return to automatic mode, first pull out the lock handle and then rotate the clutch lever in clockwise.

Remark:The bottom center of the HDM-4 is either F10/F14 or F10/F12

 

 

New Manual Override Countershaft Valve Connection Actuator Connection
b1 N b2 M D1 4-M1 D2 4-M2 E D3 4-Φ1 D4 4-Φ2
HDM-1 14 22 14 16 Φ50 4-M6 Φ70 4-M8 70*70 Φ50 4-Φ6.5 Φ70 4-Φ8.5
HDM-2 17 22 17 18 Φ70 4-M8 Φ102 4-M10 95*95 Φ70 4-Φ8.5 Φ102 4-Φ10.5
HDM-3 22 28 22 22 Φ102 4-M10 Φ125 4-M12 114*114 Φ102 4-Φ10.5 Φ125 4-Φ12.5
HDM-4 27 32 27 30 Φ102 4-M10 Φ125 4-M12 129*129 Φ125 4-Φ12.5 Φ140 4-Φ16.5
HDM-5 36 45 36 38 Φ140 4-M16 / / 156*156 Φ140 4-Φ17 Φ165 4-Φ21
HDM-6 46 50 46 48 Φ165 4-M20 / / 160*160 Φ165 4-Φ22 / /

New Manual Override A B ΦC F T Y H S K Ratio Rated Input Rated Onput
HDM-1 90 55 Φ88 115 44 145 120 53 10 26:1 Nm 250Nm
HDM-2 125 64 Φ110 135 62.5 178 133 56.5 13 28:1 Nm 450Nm
HDM-3 140 71 Φ129 166 70 212 180 68.7 12.5 38:1 Nm 700Nm
HDM-4 188.5 93 Φ174 202 94 280 195 84 15 54:1 Nm 1200Nm
HDM-5 222 110 Φ205 245 110 315 225 92 15 80:1 Nm 2000Nm
HDM-6 252 120 Φ275 280 125 320 252 102 15 78:1 Nm 3000Nm

1. Question:What is your main products?

   Answer:Our main products are Pneumatic Actuators, Electric Actuators, Actuated Valves And Valve actuators Accessories..
 

2. Question:Are you a trader or manufacturer ?

   Answer: We are the pneumatic actuators and electric actuators manufacturer , we have ability to do the customization products with experienced team, And we have own factory and production line.
 

3. Question:How do your make the quality guarantee for actuators?

   Answer:We have our own quality control system for incoming and outgoing of the materials, every product will be under controlled and tested before delivery to our customer , and we also provide 18 months guarantee ,beside we provide technical supporting .

4.  Question:When can I receive the Price of valve actuators ?

   Answer:We will give the Quotation Within 24 hours after we get your inquiry .Or Your can call or message us if it’s quite urgently.
 

5. Question:How to order our pneumatic actuators and electric actuators ?

   Answer:Please send us your inquiry by Email, , etc. we need to know the following informations before giving the formal Quotation.
1) Product information in details, Quantity, Other requirements
2) Delivery time required
 

6. Question:How can I get a sample to check your quality?

   Answer:Contact with our sales expert to arrange the sample delivery. Please send us the details of the sample before placing the order.
 

7. Question:Shall we pay the sample cost and transportation cost ?

   Answer:We will provide the sample by free of charge. Your will bear the freight cost.
 

8. Question:How long to prepare the sample ?

   Answer:Most of our products are under regular production and some of them we keep in stocks.
 

9. Question:How to delivery the sample to our place?

   Answer:Your can provide your forwarders contacts if any, or we will arrange it for you.
 

10. Question:What about the delivery date if we place the formal order ?

   Answer:Usually it takes 15~20days on the production .We know that on-time delivery is very crucial to our customers to meet dead-lines.
We monitor and expedite our supply chain to ensure that we delivery our products to our customers on-time all the time.

Installation: Manual
Type: Worm Gear Box
Worm Material: Qt400
Shaft Material: 45#Steel
Transport Package: Foam and Carton Box
Trademark: Hearken
Samples:
US$ 50/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 Custom China Supplier Hdm Series De-Clutchable Worm Gear Box Manual Override Worm Gearbox   gearbox definition		China Custom China Supplier Hdm Series De-Clutchable Worm Gear Box Manual Override Worm Gearbox   gearbox definition
editor by CX 2023-10-07

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 Yj Series Part-Turn Manual Valve Worm Gearbox for Ball Valves gearbox definition

Product Description

Product Description

 

YJ series Part-turn worm gearboxes suitable for Ball Valves, Butterfly Valves, Plug Valves,etc. Handwheel can choose according to your requirements.
 
YJ series part-turn worm gearbox has good mechanical quality and steady operating performance. It has high mechanical efficiency, small size with new design, and it’s very easy to operate. The flange connecting to valve is according to ISO5211.
 

Product Parameters

 

Model YJ-0 YJ-1 YJ-2 YJ-2J YJ-3 YJ-3J YJ-4 YJ-4J YJ-5 YJ-5J YJ-6
Ratio 34:1 44:1 44:1 50:1 50:1 53:1 55:1 67:1 62:1 67:1 65:1
Max output torque
N.m
500 1000 1500 2500 3200 4500 4950 5200 5580 6030 6825
Max stem diameter 30
8×7
42
12×8
50
14×9
60
18×11
60
18×11
75
25×14
90
22×14
110
28×16
110
28×16
120
32×18
120
32×18
Flange F10 F12 F14 F16 F16 F16/F20 F25 F30 F30 F35 F35
φD 125 150 175 210 210 250 300 350 350 415 415
PCD D0 102 125 140 165 165 205 254 298 298 356 356
N-H-DP 4-M10-15 4-M12-18 4-M16-20 4-M20-30 4-M20-30 8-M16-24 8-M16-24 8-M20-30 8-M20-30 8-M30-45 8-M30-40
Handwheel 250 350 400 450 500 600 600 650 750 800 900

 

Company Profile

 

FAQ

Q: What’s your main products?
A: Our main products are worm gearbox, bevel gearbox and spur gearbox for gate valve, globe valve, ball valve, butterfly valve and etc.

Q: How long is your delivery time?
A: Delivery time was depends on the quantity of the order and our inventory, normally is 10~15 days.

Q: Term of payment?
A: T/T 30% in advance, T/T balance before shipment.

Q: Can you provide free sample?
A: Yes, we can provide the sample for free, but the shipping costs need paid by yourself.

Q: Could you specially design and produce according to client’s requirements?
A: Yes, we can

If any other questions about our products, welcome to contact us.
 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Industry Valves
Function: Change Drive Torque
Step: Single-Step
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 wholesaler Yj Series Part-Turn Manual Valve Worm Gearbox for Ball Valves   gearbox definition		China wholesaler Yj Series Part-Turn Manual Valve Worm Gearbox for Ball Valves   gearbox definition
editor by CX 2023-09-25

China manufacturer Nmrv Worm Gear Motor Gearbox Reducer RV Worm Transmission Gearbox Worm Reduction gearbox design

Product Description

Worm gearbox speed reducer  electric motor dc are on sale with high quality for you

SMRV series worm-gear speed reducer :
It is a new-generation of products developed by our
company with combination of advanced technologyboth at home and abroad. The product is featured by:
1. Aluminium alloy die-cast casing for RV571, 030,040, 050, 063, 075, 090, light weight and non-rusting;cast iron casing for RV110, 130, 150.
2. Large output torque.
3. Stable transmission with lower noise.
4. High heat-radiating efficiency.
5. Elegant shape, small volume and durable serving life.
6. Suitable for omnibearing installation.

Product display
 

NMRV aluminum worm gearbox motor details:

You can choose the 1 type that you need form these product introction.
workshop and production equipment

Fand a market abroad
More than 50 countries and regions

If you have any question,please contact me.
HangZhou CHINAMFG Machinery Co.,ltd is a company specialized in research, manufacture and service of speed gearbox. Ever since establishment, we have been persisting in technical innovation, advancing the techonology to our products while maintaining our strict quality controls. It is the reason that our products branding ”Xihu (West Lake) Dis.n” have enjoyed such successful global sales.
At present, our company mainly supplies 5 series products as RV worm gearbox, UDL series speed variator,PC series helical gear unit,G3 helical geared motor and SRC helical gearbox. The products are widely applied in the mechanical equipment field such as food and beverage,cement,package,chemical and dyeing, rubber and plastic, CNC machine tool,etc.
Our products have been processed ISO 9001 Quality System Certification and exported to Italy,Spain,Britain,Poland,Turkey.The USA and other European countries,earn the good reputation with our outstanding quality and service. 
Customers first,customers satisfaction, excellent after sale service and incessant innovation are our tenet and motto. We will go all out to provide all the customers with high quality and service.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Single-Step
Samples:
US$ 105.6/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 manufacturer Nmrv Worm Gear Motor Gearbox Reducer RV Worm Transmission Gearbox Worm Reduction   gearbox design		China manufacturer Nmrv Worm Gear Motor Gearbox Reducer RV Worm Transmission Gearbox Worm Reduction   gearbox design
editor by CX 2023-09-24