Product Description

HangZhou CHINAMFG Machinery Co., Ltd.has been specialising in the manufacture and export of RV series worm gearboxes and other power transmission products for years, dedicated to provide to our customers good quality products in competitive prices. The main products are RV series worm gear speed reducers, UD series mechanical speed variators, G3 series helical geared motors and the specially designed reducers for polishing machines. Our products are widely used in the mechanical apparatus for foodstuff, ceramics, package, chemical, printing, and plastics, etc.

Xihu (West Lake) Dis.d by the idea, “Quality is the very key.”. the company proceeds in strict quality control to all the products, complying with the requirements of ISO9001:2008, and certificated, which has enabled our products to have enjoyed the successful sales, popularity and good reputation among the markets of Europe, Mid-east, and Souteast Asia..

Innovation, good quality, customers’ satisfication, and excellent service are the principles of the company. All customers at home and abroad are warmly welcome to contact us and negotiate for mutual business expansion.

 Features
1.Wide transmission rate, strong output torque
2.Compact mechanical structure, light weight, small volume&Good heat-dissipating
3.Smooth operation with lower noise or vibration
4.Easy mounting, free linking, high efficiency
5. PERFECT  SUBSTITUDE FOR  MOTOVARIO AND CHINAMFG PRODUCTS 

Applications
Wide range of application,including light industry of food &beverage, Cement,
package,construction material,chemicals and etc.

Technical data:

Model RV 130 150
Single unit versions NMRV – fitted for motor flanged coupling,
NRV – with input shaft,
NMRV-E motor flanged coupling with worm extension shaft,
NRV-E with double extension worm shaft,
 Power 0.06—-15KW 
 Single unit reduction ratio  1:5 7.5 80 100
 Output torque  2.6—1195N.M
 Worm shaft material  20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm
 Worm wheel material   worm mandrel is HT250,and worm ring gear,ZQSn10-1,hardness is 60HRC

After-sale service:
One year warranty,subject to proper operation and installation;free technical support all the time.

 

Motor Coupling: Flange or Shaft
Output Torque: 2.6n.M-1195n.M
Quantity Control: ISO 9001
Customization:
Available

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Customized Request

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

90 degree gearbox

Calculating Torque Requirements for a 90 Degree Gearbox

Calculating the torque requirements for a 90 degree gearbox involves understanding the torque transfer across the gear train and considering factors such as gear ratios, efficiency, and the desired output torque. Here’s a general process:

  1. Determine Input Torque: Start by identifying the input torque required for your application. This could be the torque generated by the motor or power source that drives the gearbox.
  2. Account for Gear Ratio: Calculate the overall gear ratio of the 90 degree gearbox. This involves multiplying the gear ratios of each stage if the gearbox has multiple stages. The gear ratio is typically given as the output gear’s teeth divided by the input gear’s teeth.
  3. Calculate Intermediate Torque: Use the gear ratio to calculate the intermediate torque at the output of the input bevel gear set. Multiply the input torque by the gear ratio to get the intermediate torque.
  4. Consider Efficiency: Take into account the efficiency of the gearbox. Efficiency is the ratio of output power to input power, expressed as a percentage. Multiply the intermediate torque by the gearbox efficiency to get the effective torque.
  5. Calculate Final Output Torque: If there’s an additional output stage with bevel gears, apply the appropriate gear ratio and efficiency to calculate the final output torque at the output shaft of the gearbox.

Keep in mind that real-world factors such as friction, load variations, and mechanical losses can influence the accuracy of torque calculations. It’s advisable to incorporate safety factors to ensure the gearbox can handle peak loads without failure.

Consulting gearbox manufacturers’ specifications and engineering guides can provide more accurate information and guidance on torque calculations for specific gearbox models.

90 degree gearbox

Preventing Backlash and Gear Play in a 90 Degree Gearbox

Backlash and gear play in a 90 degree gearbox can lead to inefficiencies, inaccuracies, and even mechanical damage. Here’s how you can prevent them:

  • High-Quality Gears: Start with well-manufactured, precision-cut gears that have minimal tolerances. High-quality gears reduce the initial presence of backlash.
  • Tight Tolerances: Design the gearbox with tight tolerances to minimize the amount of clearance between gear teeth. This helps reduce backlash and gear play.
  • Preloading: Introduce a slight preloading force between meshing gears. This force keeps the gears engaged tightly, minimizing any free movement and thereby reducing backlash.
  • Anti-Backlash Gears: Some gear designs include mechanisms like split gears or spring-loaded gears that automatically compensate for backlash and keep gears engaged.
  • Flexible Couplings: Use flexible couplings or universal joints to absorb any residual backlash, reducing its impact on the overall system.
  • Lubrication: Ensure proper lubrication of gears to minimize friction, which can contribute to backlash and gear play.
  • Mounting and Alignment: Precise mounting and alignment of the gearbox components can help reduce backlash. Ensure that gears are properly aligned and securely mounted.
  • Regular Maintenance: Periodically inspect and maintain the gearbox to ensure that gears remain properly aligned and engaged. Replace worn-out components promptly.

By employing these strategies, you can minimize backlash and gear play in a 90 degree gearbox, leading to improved efficiency, accuracy, and overall performance.

90 degree gearbox

Choosing the Right Size 90 Degree Gearbox

Choosing the right size 90 degree gearbox for your application involves considering several factors to ensure optimal performance and efficiency. Here are the steps to guide you:

  1. Identify Load Requirements: Determine the maximum torque and power requirements of your application. This will help you select a gearbox that can handle the load without exceeding its capacity.
  2. Calculate Speed Ratios: Calculate the required speed ratios for your application. Consider both input and output speeds to ensure the gearbox can achieve the desired output with the available input.
  3. Consider Space Constraints: Measure the available space for the gearbox. Choose a size that fits within your machinery or equipment without causing interference.
  4. Choose Gearbox Type: Based on your application’s requirements, choose the appropriate type of 90 degree gearbox. Consider factors like efficiency, backlash, and load distribution.
  5. Check Efficiency: Evaluate the efficiency of the gearbox. Higher efficiency gearboxes reduce power loss and improve overall system efficiency.
  6. Consider Mounting Options: Determine how the gearbox will be mounted within your system. Consider factors such as orientation, shaft alignment, and attachment points.
  7. Consult Manufacturer’s Data: Review the manufacturer’s specifications and data sheets for the gearbox options you’re considering. This information will provide details about torque capacity, speed ranges, and other technical specifications.
  8. Consider Overload Conditions: Factor in any potential overload conditions that may occur in your application. Choose a gearbox that can handle occasional overloads without permanent damage.
  9. Factor in Future Growth: If your application may experience growth in the future, choose a gearbox that can accommodate increased load and speed requirements.

By carefully considering these factors and consulting with gearbox experts or manufacturers, you can select the right size 90 degree gearbox that meets your application’s needs and ensures reliable and efficient operation.

China Hot selling 90 Degree Shaft Worm Gearbox for Brewing and Distilling   synchromesh gearbox	China Hot selling 90 Degree Shaft Worm Gearbox for Brewing and Distilling   synchromesh gearbox
editor by CX 2023-10-20