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China Standard Smr Series Hanging Shaft Mounted Speed Reducer Gearbox for Conveyor gearbox adjustment

Product Description

TA series shaft mounted gearbox(speed reducer) with helical hardened gears has the characteristics of high carrying capacity, smooth transmission, light weight, low energy consumption and so on. Input shaft of ATA speed reducer is connected with gear motor by belt pulley, hollow output shaft is linked with a key. It can be replaced by electric drum as power for belt conveyors and lifting equipments. ATA series shaft mounted gearbox could be attached with back-stop to avoid the working machine back skating, and conveniently mounted by tie rod. ATA series shaft mounted speed reducer is widely applied in the mining equipments, concrete mixing batching plant, stone crushers, sand making production line and other belt conveyors, mechanical transmission areas.

Mechanical belt conveyors drive system is composed of ATA shaft mounted speed reducer, torque arm, pulleys and gear motors, whose power transmission from the gear motor to the gearbox through the pulley, and then speed reducer passed to the drive pulley through the hollow output shaft and the gearbox is fixed by torque arm, anti-slip device can be configured. The system is convenient to install,use and maintain.

Components:

1. Housing: Nodular Cast Iron(Ductile Iron) QT600
2. Gears Profile: Hardened Helical Gears
3. Gears Material: 20CrMnTi
4. Gears Processing: Carburizing, Quenching, Grinding
5. Gears Hardness: Surface Hardness: HRC58-62, Inner Hardness: HBS156-207
6. Gears Accuracy: 6 Class
7. Shafts Material: 40Cr
8. Input Configurations:
Keyed CZPT Shaft Input
IEC Normalized Motor Flange
9. Output Configurations:
Keyed Hollow Shaft Output
10. Oil Seal: ZheJiang SOG
11. Bearings: NSK, HRB, ZWZ, LYC
12. Spare Parts: Torque arm, Optional Backstop

Gearbox Parameters:

Models Output Bore Dia. Maximum Torque Nominal Ratio(i)
ATA30 30mm 180Nm 5

7

10

12.5

15

20

25

31

ATA35 35mm 420Nm
ATA40 40mm/45mm 950Nm
ATA45 45mm/50mm/55mm 1400Nm
ATA50 50mm/55mm/60mm 2300Nm
ATA60 60mm/70mm 3600Nm
ATA70 70mm/85mm 5100Nm
ATA80 80mm/100mm 7000Nm
ATA100 100mm/125mm 11000Nm
ATA125 125mm/135mm 17000Nm

 

Application: Machinery, Quarry
Hardness: Hardened Tooth Surface
Installation: Shaft Mounted
Samples:
US$ 180/Piece
1 Piece(Min.Order)

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

helical gearbox

Performance of Helical Gearboxes in Applications Requiring Frequent Starts and Stops

Helical gearboxes are well-suited for applications that involve frequent starts and stops due to their design characteristics. Here’s how they fare in such scenarios:

  • Smooth Engagement: Helical gears offer gradual and smooth engagement, which reduces shock loads during starts and stops. This feature helps minimize wear and stress on gear teeth and other components.
  • Noise and Vibration Reduction: The helical tooth arrangement results in less noise and vibration compared to other gear types. This is especially beneficial in applications where noise reduction is a priority.
  • Efficient Power Transmission: Helical gears efficiently transmit power even during frequent starts and stops. The gradual contact between gear teeth and the larger tooth engagement area contribute to efficient power transfer.
  • Less Backlash: Helical gearboxes typically have lower backlash compared to other gear types. This means there’s less play between gear teeth, resulting in more accurate and consistent motion control.
  • Heat Dissipation: The helical tooth design distributes loads and heat more evenly, which can help dissipate heat generated during frequent starts and stops.
  • Longevity: The reduced wear and improved load distribution contribute to the longevity of helical gearboxes, making them suitable for applications requiring frequent cyclic motion.

In summary, helical gearboxes perform well in applications involving frequent starts and stops. Their smooth engagement, reduced noise and vibration, efficient power transmission, and durability make them a reliable choice for industries that demand precise and controlled motion despite frequent changes in speed and direction.

helical gearbox

Considerations for Designing Helical Gearboxes for Heavy-Duty Applications

Designing helical gearboxes for heavy-duty applications requires careful consideration of various factors to ensure reliable and efficient operation under high loads and demanding conditions. Here are the key considerations:

  • Load Capacity: Heavy-duty applications involve substantial loads. The gearbox must be designed to handle these loads while preventing premature wear and failure. Calculations of the load distribution, contact stresses, and material strength are crucial.
  • Material Selection: High-strength and durable materials are essential for heavy-duty gearboxes. Alloy steels or special heat-treated materials are often chosen to provide the necessary strength and resistance to fatigue and wear.
  • Gear Tooth Design: Optimal gear tooth profiles, such as optimized helix angles and tooth modifications, contribute to smoother engagement and reduced stress concentrations. This enhances the gearbox’s ability to handle heavy loads without excessive wear.
  • Bearing Selection: Robust and high-capacity bearings are necessary to support the heavy loads and provide reliable shaft support. The bearings must be able to withstand both radial and axial forces generated during operation.
  • Lubrication: Adequate lubrication is critical for heavy-duty gearboxes. Lubricants with high load-carrying capacity and extreme pressure properties are chosen to ensure proper lubrication under heavy loads and to reduce friction and wear.
  • Heat Dissipation: Heavy-duty applications can generate significant heat due to friction and load. Efficient heat dissipation mechanisms, such as cooling fins or oil cooling, should be incorporated into the gearbox design to prevent overheating and thermal damage.
  • Sealing: Effective sealing is necessary to prevent contaminants from entering the gearbox and to retain lubricants. Seals must be capable of withstanding the conditions of the application, including high loads, vibrations, and potential exposure to harsh environments.
  • Efficiency: Although heavy-duty applications prioritize load capacity, achieving acceptable levels of efficiency is still important to minimize energy losses and heat generation. Proper gear tooth design and high-quality manufacturing contribute to better efficiency.
  • Structural Integrity: The gearbox housing and components must be designed with structural integrity in mind. Rigidity and robustness are required to prevent distortion or failure of components under heavy loads.
  • Reliability and Serviceability: Heavy-duty gearboxes should be designed with reliability and ease of maintenance in mind. Access to critical components, such as gears and bearings, for inspection and replacement is important to minimize downtime.

Conclusion: Designing helical gearboxes for heavy-duty applications involves a comprehensive approach that addresses load capacity, material selection, gear tooth design, lubrication, heat dissipation, sealing, efficiency, structural integrity, and serviceability. By carefully considering these factors, engineers can create gearboxes that deliver exceptional performance and longevity in demanding industrial settings.

helical gearbox

Lubrication Requirements for Maintaining Helical Gearboxes

Lubrication is essential for the proper functioning and longevity of helical gearboxes. The lubrication requirements include:

  • Viscosity: Selecting a lubricant with the appropriate viscosity is crucial. The viscosity should provide sufficient lubrication and ensure a protective film between gear teeth under varying operating conditions.
  • Extreme Pressure (EP) Properties: Helical gears often experience high contact pressures. Lubricants with EP additives form a protective barrier that prevents metal-to-metal contact and reduces wear.
  • Oil Additives: Anti-wear additives, antioxidants, and corrosion inhibitors enhance the lubricant’s performance and protect gears from wear and degradation.
  • Frequent Inspections: Regularly inspect the lubricant’s condition to detect contamination, degradation, or depletion. Scheduled oil analysis can help monitor the health of the lubricant.
  • Proper Lubricant Application: Ensure the gearbox is properly filled with the correct amount of lubricant. Follow manufacturer recommendations for lubricant type and quantity.
  • Lubricant Change Intervals: Establish regular lubricant change intervals based on operating conditions. Extreme conditions or heavy loads may require more frequent changes.

Appropriate lubrication minimizes friction, wear, and heat generation, leading to improved efficiency, reduced maintenance, and extended gearbox life. It’s crucial to follow the manufacturer’s guidelines and consult with lubrication experts to select the right lubricant and maintenance practices for your specific helical gearbox application.

China Standard Smr Series Hanging Shaft Mounted Speed Reducer Gearbox for Conveyor   gearbox adjustment	China Standard Smr Series Hanging Shaft Mounted Speed Reducer Gearbox for Conveyor   gearbox adjustment
editor by CX 2023-10-23