Tag Archives: electric gear

China factory Low Noise Big Torque Worm Gear Box with Electric Motor gearbox adjustment

Product Description

 

Product Description

 

Our Gearbox has many items for your choosing and we can produce as per your drawing or sample to meet your special request

1. Large output torque
2. Safe, reliable, economical and durable
3. Stable transmission, quiet operation
4. High carrying ability
5. High modularization design, may equip with various outer power input conveniently. Same machine type may equip with various power motor. It is easy to realize the combination and junction between every machine type
6. Transmission ratio: Fine division, wide scope. The combined machine type may form very large transmission ratio, i. E. Output very low rotary speed.
7. Form of installation: The position to be installed is not limited.
8. High strength, compact the box body of high strength cast iron, gear and gear shaft adapts the gas carbonization, quenching and fine grinding process, therefore the bearing capacity of unit volume is high.
9. Long life: Under the condition of correct type chosen(including choosing suitable operation parament ) normal operation and maintenance, the life if main parts speed reducer(except wearing parts)should not be less than 20000 hours. The wearing parts include lubricating oil, oil seal and bearing.
10. Low noise: Because main parts of speed reducer are processed, and tested critically, therefore the noise of speed reducer is low.
11.Our gear box have reached the advance international level, can replace the same kind of products imported.

 

 

Size

Ratio

A

B

E

F

H

M

N

40

 

 

 

1/5

1/10

1/15

1/20

1/25

1/30

1/40

1/50

1/60

142

112

70

80

135

90

100

50

175

145

95

110

180

120

140

60

195

165

105

120

210

130

150

70

234

195

115

150

243

150

190

80

264

210

135

180

273

170

220

100

300

245

155

220

340

190

260

120

385

285

180

260

405

230

320

135

435

320

200

290

455

250

350

155

507

387

220

320

490

280

390

175

550

407

250

350

565

310

430

200

594

480

290

390

625

360

480

250

710

560

380

480

730

460

560

Size

G

Z

Input Shaft

Output Shaft

Weight Kg

Oil Weight L

HS

U

LS

S

40

12

10

25

12

28

14

3.8

0.14

50

15

11

30

12

40

17

7

0.17

60

20

11

40

15

50

22

10.5

0.23

70

20

15

40

18

60

28

14.5

0.5

80

20

15

50

22

65

32

22

0.7

100

25

15

50

25

75

38

36

1.6

120

30

18

65

30

85

45

63

3.0

135

30

18

75

35

95

55

80

3.5

155

38

20

85

40

110

60

114

3.6

175

40

20

85

45

110

65

150

4.5

200

42

22

95

50

125

70

218

6.4

250

42

27

110

60

155

90

363

8.5

 

 

Size

Ratio

A

B

E

F

H

M

N

40

 

 

 

1/5

1/10

1/15

1/20

1/25

1/30

1/40

1/50

1/60

142

85

70

80

135

90

100

50

175

105

95

110

180

120

140

60

195

120

105

120

205

130

150

70

234

140

115

150

235

150

190

80

264

160

135

180

265

170

220

100

300

178

155

220

327

190

260

120

385

230

180

260

388

230

320

135

435

260

200

290

445

250

350

155

507

300

220

320

483

280

390

175

550

325

250

350

550

310

430

200

594

350

290

390

610

360

480

250

710

420

380

480

755

460

560

Size

G

Z

Input Shaft

Output Shaft

Weight Kg

Oil Weight

HS

U

LS

S

40

12

10

25

12

28

14

3.8

 

50

15

11

30

12

40

17

7

0.4

60

20

11

40

15

50

22

10.5

0.5

70

25

15

40

18

60

28

14.5

0.7

80

25

15

50

22

65

32

22

1.1

100

25

15

50

25

75

38

36

2.3

120

30

18

65

30

85

45

63

4.5

135

30

18

75

35

95

55

80

6.0

155

38

20

85

40

110

60

114

6.2

175

40

20

85

45

110

65

150

8.0

200

42

22

95

50

125

70

218

9.0

250

48

27

110

60

155

90

363

17.0

 

 

Size

Ratio

A

B

E1

E2

F

G

M

N

40

 

 

 

1/5

1/10

1/15

1/20

1/25

1/30

1/40

1/50

1/60

142

85

72

85

75

12

179

97

50

175

105

93

102

90

14

220

116

60

195

120

105

120

100

15

260

126

70

234

140

120

135

120

20

295

156

80

264

160

130

150

140

20

320

176

100

300

178

155

180

190

30

375

226

120

385

230

185

215

220

30

450

266

135

435

260

210

235

260

35

495

306

155

507

300

245

295

290

45

590

350

175

550

325

267

323

320

45

640

394

200

594

350

290

360

370

42

710

440

250

710

420

350

440

440

46

860

510

 


HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.

Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years' experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers' special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

FAQ:
Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.

Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.

Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.

Q5. If you can't find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we'll check.
 


 

 

Shipping Cost:

Estimated freight per unit.

To be negotiated
Application: Machinery, Marine, Agricultural Machinery
Function: Speed Changing
Layout: Cycloidal
Samples:
US$ 120/Piece
1 Piece(Min.Order)

|

Order Sample
Customization:
Available

|

Customized Request

worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It's important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system's ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here's how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It's important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here's a comparison between worm gearboxes and some other common types:

  • Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
  • Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
  • Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
  • Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
  • Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China factory Low Noise Big Torque Worm Gear Box with Electric Motor gearbox adjustment China factory Low Noise Big Torque Worm Gear Box with Electric Motor gearbox adjustment
editor by CX 2023-09-18

China Best Sales Reduction RV Worm Gear Electric Motor Speed Reducer Gearbox gearbox adjustment

Product Description

 

PROFESSIONAL MANUFACTURE
-- SINCE 1995

Reduction RV Worm Gear Electric Motor Speed Reducer Gearbox

Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light

industry,environmental protection, paper making, printing, lifting transport, food industry and so on.

Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.

Product Description

 

It realized serialization and modularization with compact structure and wide range of transmission ratio.

The transmission efficiency reach up to 96%.
 

The gear processed by Carburizing, Nitriding & Grinding.
 

High efficiency, superior performance with less energy consumption High precision gear, steady transmission, low noise, large load capacity, long service life.
 

Support various of installation method.

 

Product Parameters

 

Size

NMRV25

NMRV30

NMRV40

NMRV50

NMRV63

NMRV75

NMRV90

NMRV110

NMRV130

Flange Type

56B14

63B5

71B5

80B5

90B35

100/112B35

100/112B35

132B35

132B35

 

63B14

63B5

71B5

80B5

90B35

90B35

100/112B35

100/112B35

 

170

 

63B5

71B5

80B5

80B5

90B35

90B35

Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox. Robot Arm Gear Reducer Nmrv Transmission Worm Gearbox.

Detailed Photos


Chinese Speed Reducer/industrial helical gearbox is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electricity, construction machinery and petrochemical industries.

In all fields of national economy and national defense industry, gearbox products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products.

Working principle of gear reducer :

When the output speed of the motor of the gear reducer is input from the driving shaft, the small gear of the reducer will move. The large gear is linked with the small gear, so the movement of the small gear will drive the movement of the large gear. The number of teeth is more than the number of teeth on the pinion, so the speed of the big gear will be slower than that of the pinion, and then output through the output shaft of the big gear, thus playing the role of output deceleration.

Packaging & Shipping

 

Application

 

Driven machines
Waste water treatment Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps Dredgers Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears
Chemical industry Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges Metal working mills plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CHINAMFG mills
Metal working mills Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives Conveyors Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears
Frequency converters Reciprocating compressors
Cranes Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes Cooling towers Cooling tower fans, blowers axial and radial
Cane sugar production Cane knives, cane mills Beet sugar production Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter
Paper machines Pulper drives Cableways Material ropeways, continuous ropeway
Cement industry Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers    

Company Profile

 

Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand "TianQi", all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CHINAMFG South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CHINAMFG to speaking with you to future discuss how we can be of service to you.

FAQ

1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).

2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer's drawing and sample.

3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher

4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

Shipping Cost:

Estimated freight per unit.

To be negotiated
Application: Motor, Machinery, Manufacturing Plant
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Transmission
Layout: Worm Gear
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|

Order Sample

RV Worm Gear Electric Motor Speed Reducer Gearbox
Customization:
Available

|

Customized Request

worm gearbox

Is it Possible to Reverse the Direction of a Worm Gearbox?

Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:

  • Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
  • Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
  • Lubrication: Depending on the gearbox's design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
  • Load: Reversing the direction might also impact the gearbox's load-carrying capacity, especially if it's designed for predominantly one-way operation.
  • Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.

If you need to reverse the direction of a worm gearbox, it's advisable to consult the gearbox manufacturer's guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let's compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

  • Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
  • Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
  • Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
  • Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
  • Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox's ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China Best Sales Reduction RV Worm Gear Electric Motor Speed Reducer Gearbox gearbox adjustment China Best Sales Reduction RV Worm Gear Electric Motor Speed Reducer Gearbox gearbox adjustment
editor by CX 2023-09-18

China Professional S-Series Worm Gear Steering Gearbox for Electric Forklifts supplier

Product Description

The S-series gearbox is a product of SEW-EURODRIVE  It is a right-angle speed reducer with a helical gear and worm gear combined drive system, designed and optimized according to international standards. The S-series gearbox provides higher efficiency than worm gearboxes and also lower noise during operation  It is widely applied in robots, CNC machines, welding equipment, plastic machines, packaging and printing machinery, textile and dyeing machinery, construction machinery, communications, and other fields, especially suitable for frequent starting occasions

The S-series gearbox is available in several sizes and design variants, including foot-mounted, flange-mounted, and torque arm-mounted options. Input can be provided through a motor, an IEC flange input, or a shaft input. Output can be provided through a CHINAMFG shaft or a hollow shaft

The housing of the S-series gearbox is made of HT250 high-strength cast iron. The worm gear is made of high-quality copper, while the gears are made of 20CrMnTi. The surface hardness of the gears is HRC58-62. The input/output shaft is made of 40Cr steel. The gearbox undergoes carburizing and quenching heat treatment to improve its durability

The bearings used in the S-series gearbox are from C&U or other reputable brands. The oil seal is from CHINAMFG or other reputable brands. The lubricating oil used in the gearbox is gear oil. The gearbox is packed in a plywood case for safe transportation

The S-series gearbox has several features that make it an attractive choice for many applications. Its simple design makes it cost-effective. It has strong vibration absorption capabilities and operates at low temperatures. It also operates with low noise levels. A wide range of speed ratios is available to choose from. The gearbox can function on its own under certain conditions. It has good sealing properties and is resistant to corrosion, making it suitable for use in harsh conditions. It can also be combined with the R series helical gear reducer for additional functionality

In summary, the S-series gearbox from SEW-EURODRIVE is a versatile and reliable right-angle speed reducer that provides high efficiency and low noise operation. Its wide range of design variants and options make it suitable for use in many different applications, especially those that require frequent starting. Its robust construction and high-quality materials ensure its durability and longevity.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:

  • Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
  • Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
  • Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
  • Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
  • Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
  • Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
  • Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
  • Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.

If you encounter any of these problems, it's important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.

worm gearbox

Worm Gearbox Applications in Robotics and Automation

Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:

  • Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm's position without requiring additional brakes.
  • Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
  • Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
  • Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
  • Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
  • Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
  • Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
  • Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
  • Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
  • Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.

Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here's a comparison between worm gearboxes and some other common types:

  • Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
  • Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
  • Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
  • Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
  • Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China Professional S-Series Worm Gear Steering Gearbox for Electric Forklifts supplier China Professional S-Series Worm Gear Steering Gearbox for Electric Forklifts supplier
editor by CX 2023-09-15

China high quality OEM RV040 RV050 RV063 Electric Motor with Gear Box Gearbox Nmrv Worm Gear Reducer manufacturer

Product Description

Specification

Type

Worm Gearbox/Worm Gear Speed Reducer

Model

NMRV:571,030,040,050,063,075,090,110,130,150

Center distance

25-150mm

Ratio

5,7.5,10,15,20,25,30,40,50,60,80,100

Torque

1.8-1800Nm

Motor

2 pole, 4 pole, 6 pole

Mounting position

Omnidirectional

Color

Blue/Silver grey Or On request

Material

NMRV571~090:Aluminum alloy; NMRV110~150 Cast iron

Product Description

 

 

Worm Gear Speed Reducer.

Worm gear speed reducers are popular for their flexibility and efficiency, because they can show the best deceleration capacity in the smallest space and are typically applied in transmissions with low speed and high torque.
The worm speed reducer can also be easily mounted with various accessories like torque arms, different types of flanges, shafts and so on.
We attach much importance to the details of the products. The housing of our worm gearbox is made of aluminum alloy or cast iron,the worm is made of carburized 20Cr, and the suppliers of raw materials are rigorously screened, thus to ensure our products are of high quality, long service life and low noise.
Sihai is a professional manufacturer of speed reducers that can provide you with both single-stage worm gear reducer and two-stage worm gear reducer, as well as customized gearboxes according to your requirement.

Details

Multiple inputs and outputs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00:00

 

00:00

 

FAQ

Q1.How to choose a gearbox which meets our requirement?

A1. You can provide the technical information of output speed,motor power,motor parameter,output torque,equipment connection mode etc.Or,you can refer to our catalogue and confirm with me.

 

Q2. How is your price? Can you offer any discount?
A2: We will give the best price we can base on your needs and the quantities.

 

Q3. Do you offer any visiting?
A3: Yes! Welcome!Notify me in advance.

 

Q4. When is the best time to contact you?
A4: Any time, we will reply you as soon as possible.

 

Q5. How long will it take for the lead time?
A5: At the time we agreed

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Motor, Machinery, Marine, Agricultural Machinery, Building Material Shops
Function: Speed Changing, Speed Reduction, Speed Changing, Speed Reduction
Layout: Gearbox, Gearbox
Hardness: Gearbox, Gearbox
Installation: Gearbox, Gearbox
Step: Gearbox, Gearbox
Customization:
Available

|

Customized Request

worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It's important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system's ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

Worm Gearbox Applications in Robotics and Automation

Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:

  • Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm's position without requiring additional brakes.
  • Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
  • Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
  • Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
  • Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
  • Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
  • Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
  • Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
  • Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
  • Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.

Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.

worm gearbox

Lubrication Requirements for a Worm Gearbox

Lubrication is crucial for maintaining the performance and longevity of a worm gearbox. Here are the key considerations for lubricating a worm gearbox:

  • Type of Lubricant: Use a high-quality, high-viscosity lubricant specifically designed for worm gearboxes. Worm gearboxes require lubricants with additives that provide proper lubrication and prevent wear.
  • Lubrication Interval: Follow the manufacturer's recommendations for lubrication intervals. Regularly check the gearbox's temperature and oil condition to determine the optimal frequency of lubrication.
  • Oil Level: Maintain the proper oil level to ensure effective lubrication. Too little oil can lead to insufficient lubrication, while too much oil can cause overheating and foaming.
  • Lubrication Points: Identify all the lubrication points on the gearbox, including the worm and wheel gear surfaces. Apply the lubricant evenly to ensure complete coverage.
  • Temperature: Consider the operating temperature of the gearbox. Some lubricants have temperature limits, and extreme temperatures can affect lubricant viscosity and performance.
  • Cleanliness: Keep the gearbox and the surrounding area clean to prevent contaminants from entering the lubricant. Use proper filtration and seals to maintain a clean environment.
  • Monitoring: Regularly monitor the gearbox's temperature, noise level, and vibration to detect any signs of inadequate lubrication or other issues.

Proper lubrication will reduce friction, wear, and heat generation, ensuring smooth and efficient operation of the worm gearbox. Always refer to the manufacturer's guidelines for lubrication specifications and intervals.

China high quality OEM RV040 RV050 RV063 Electric Motor with Gear Box Gearbox Nmrv Worm Gear Reducer manufacturer China high quality OEM RV040 RV050 RV063 Electric Motor with Gear Box Gearbox Nmrv Worm Gear Reducer manufacturer
editor by CX 2023-09-15

China OEM CZPT RV Series Vertical Micro Electric Worm Gear Speed Gearbox cvt gearbox

Product Description

AOKMAN RV Series Vertical Micro Electric Worm Gear speed gearbox

Product Description

NMRV 571-150 worm gear box with flange and electric motor
NMRV+NMRV Double Stage Arrangement Reduction Gear Box
RV Series Worm Gearbox
worm speed reducer
nmrv worm gear motor

Detailed Photos

RV Series
Including RV / NMRV / NRV.
Main Characteristic of RV Series Worm Gearbox
RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad.
1. High-quality aluminum alloy, light in weight and non-rusting.
2. Large in output torque.
3. Smooth running and low noise,durable in dreadful conditions.
4. High radiation efficiency.
5. Good-looking appearance, durable in service life and small volume.
6. Suitable for omnibearing installation.
Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150).
2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer's thickness between 0.3 and 0.5mm after precise grinding.
3. Worm Wheel: wearable stannum bronze alloy.

SPEED RATIO 7.5~100
OUTPUT TORQUE <1050NM
IN POWER 0.09-11KW
MOUNTING TYPE FOOT-MOUNTED FLANGE-MOUNTED

Product Parameters

When working, great load capacity, stable running, low noise with  high efficiency.
  Gear Box's Usage Field
1 Metallurgy       11 Agitator  
2 Mine       12 Rotary weeder  
3 Machine       13 Metallurgy   
4 Energy       14 Compressor
5 Transmission     15 Petroleum industry
6 Water Conserbancy     16 Air Compressor
7 Tomacco       17 Crusher  
8 Medical       18 Materials
9 Packing     19 Electronics  
10 Chemical industry     20 Textile indutry
...         ...    
Power 0.06kw 0.09kw 0.12kw 0.18kw 0.25kw 0.37kw 0.55kw
0.75kw 1.1kw 1.5kw 2.2kw 3kw 4kw 5.5kw
7.5kw 11kw 15kw        
Torque 2.6N.m-3000N.m
Ratio 7.5-100, the double gearbox is  more
Color Blue, Silver or as customers' need
Material Iron or Aluminium
Packing Carton with Plywood  Case or as clients' requirement
Type RV571 RV030 RV040 RV050 RV063 RV075 RV090
Weight 0.7kg 1.3kg 2.3kg 3.5kg 6.2kg 9kg 13kg
Type RV110 RV130 RV150        
Weight 35kg 60kg 84kg        

Certifications

Packaging & Shipping

Company Profile

Our Advantages

FAQ

Application: Motor, Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Worm
Gear Shape: Worm
Step: Single-Step
Customization:
Available

|

Customized Request

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there's a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it's important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it's actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it's crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here's how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It's important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

Advantages of Using a Worm Reducer in Mechanical Systems

Worm reducers offer several advantages that make them suitable for various mechanical systems:

  • High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
  • Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
  • Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
  • Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
  • High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
  • Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
  • Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.

Despite these advantages, it's important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.

China OEM CZPT RV Series Vertical Micro Electric Worm Gear Speed Gearbox cvt gearbox China OEM CZPT RV Series Vertical Micro Electric Worm Gear Speed Gearbox cvt gearbox
editor by CX 2023-09-15