China manufacturer Helical Hypoid Spiral Bevel Gearbox with Flange Input car gearbox

Product Description

Starshine Drive NCJ Series Helical Geared Motor

Features:

  1. High efficiency and energy saving: low energy, low noise, small vibration, low temperature rise, wide output speed, and high efficiency: 92%-96%.
  2. With wide variable range of  voltage and frequency motor from 20HZ to 60HZ, and voltage from 320V to 420V.
  3. Modular design with strong interchangeability.
  4. Iron or aluminum casting house, good rigidity, high strength and excellent heat-loss.
  5. Advanced design: gear pair processed by carburizing and quenching heat treatment, and unique low noise gear tooth design to ensure the service life.
  6. Free maintenance: special lubrication to guarantee normal running for 20,000 hours without oil replacement;
  7.  Easy replacement: can replace cycloid gearbox and upgrade product

Technical parameters

Type Old Type Output Torque Output Shaft Dia.
SNR02 NCJ02 130N.m  φ22
SNR03 NCJ03 250N.m  φ28
SNR04 NCJ04 500N.m  φ32
SNR05 NCJ05 750N.m  φ40
SNRW03Y NCJT03Y2 250N.m  φ35
SNRL04Y NCJF04Y2 450N.m  φ35

About CZPT Drive 

ZheJiang CZPT Drive Co.,Ltd(Starshine) have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CZPT and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our products are widely used in ceramic industry, glass industry, woodworking machinery , high voltage switch, food & beverage, packaging & printing, Storage & logistics, hoisting & transportation facilities…etc , and CZPT technically provide the professional product & service for the medium and high-end customers, and our gearboxes are best-selling in domestic, and even in abroad , such as in Europe, North America, South America, Middle East, South Asia, Southeast Asia, Africa…etc.

 In the future , CZPT will hold the creed of “serving customer, diligence & simplicity, self-criticism, innovation, honesty, teamwork”, and the concept of “quality creates value” to focus on the customers’ requirements and provide them the competitive transmission solution and create value for them constantly, and make a high-end equipment manufacturing industry and create a preferred brand of replacing import products and upgrading continuously for the end users.

Team 

Quality Control 
Quality:Insist on Improvement,Strive for CZPT With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of CZPT
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend; found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product is a product inspection to determine the qualified products.

Packing

Delivery 

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Application: Motor, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical or Horizontal
Gear Shape: Cylindrical Gear
Step: Three-Step
Type: Gear Reducer
Customization:
Available

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Customized Request

helical gearbox

Using Helical Gearboxes for Speed Reduction and Speed Increase

Yes, helical gearboxes can be used for both speed reduction and speed increase in various applications. The design of helical gears allows them to transmit motion and power between non-parallel shafts while changing the rotational speed.

Speed Reduction: When the driving gear (pinion) has fewer teeth than the driven gear, the gear ratio leads to speed reduction. This is commonly used in applications where the input speed needs to be decreased while increasing the output torque. For example, helical gearboxes are often employed in conveyor systems to reduce the speed of the motor while maintaining sufficient torque to move heavy loads.

Speed Increase: Helical gearboxes can also achieve speed increase by having the driving gear (pinion) with more teeth than the driven gear. This configuration is less common but can be used to increase the output speed while sacrificing some torque. Speed increase applications are typically seen in scenarios where higher speeds are required, such as in certain types of machinery or industrial processes.

It’s important to note that while helical gearboxes can perform both speed reduction and speed increase, the specific gear ratios and configurations need to be carefully chosen to ensure efficient and reliable operation for the intended application.

helical gearbox

Impact of Thermal Expansion on Helical Gearbox Performance

Thermal expansion can significantly affect the performance of helical gearboxes due to changes in dimensions and clearances caused by temperature variations. Here’s how it impacts:

1. Misalignment: Temperature changes can lead to differential expansion of gearbox components. This can result in misalignment of gears, shafts, and bearings, leading to increased friction, noise, and reduced efficiency.

2. Lubrication: Thermal expansion can alter the clearances within the gearbox, affecting the distribution and viscosity of the lubricating oil. Inadequate lubrication due to temperature-induced changes can result in increased wear and premature failure.

3. Gear Tooth Engagement: Temperature fluctuations can cause gear teeth to expand or contract, affecting the meshing engagement and load distribution. Inconsistent gear tooth contact can lead to uneven wear and reduced gear life.

4. Bearing Performance: Bearings in helical gearboxes are sensitive to temperature changes. Excessive heat can lead to reduced bearing life, increased friction, and potential seizure, affecting overall gearbox performance.

5. Noise and Vibration: Thermal expansion can lead to changes in gear and component clearances, resulting in altered vibration patterns and increased noise levels. This can impact the comfort of the system and indicate potential issues.

6. Material Fatigue: Repeated cycles of thermal expansion and contraction can lead to material fatigue and stress accumulation, reducing the overall lifespan of gearbox components.

Managing Thermal Effects: Manufacturers design helical gearboxes with considerations for thermal expansion, using materials with low coefficients of thermal expansion and incorporating features like expansion joints or thermal isolators. Proper lubrication, monitoring temperature, and maintaining consistent operating conditions are also crucial in mitigating thermal expansion effects.

Understanding and managing the impact of thermal expansion is essential to maintain the performance, efficiency, and durability of helical gearboxes.

helical gearbox

Limitations and Disadvantages of Helical Gear Systems

While helical gear systems offer numerous advantages, they also come with certain limitations and disadvantages:

  • Axial Thrust: Helical gears generate axial thrust due to the helix angle of the teeth. This thrust can cause additional load on bearings and may require additional measures to counteract.
  • Complex Manufacturing: The manufacturing process for helical gears is more complex than that of straight-toothed gears, which can lead to higher production costs.
  • Axial Length: Helical gears require more axial space compared to spur gears with the same gear ratio. This can be a limitation in applications with space constraints.
  • Sliding Contact: Helical gears have sliding contact between their teeth, which can result in higher friction and more heat generation compared to rolling contact gears.
  • Efficiency: Although helical gears are generally efficient, their efficiency can be slightly lower than that of some other gear types, especially at high speeds.
  • Complexity in Gearbox Design: The inclination of helical gear teeth introduces additional complexity in gearbox design and alignment.
  • Reverse Thrust: In some cases, reverse thrust can occur when helical gears are subjected to high axial loads, leading to undesirable effects.

It’s important to consider these limitations and disadvantages when selecting gear systems for specific applications. Despite these challenges, helical gears remain a popular choice in various industries due to their benefits and overall performance characteristics.

China manufacturer Helical Hypoid Spiral Bevel Gearbox with Flange Input   car gearbox	China manufacturer Helical Hypoid Spiral Bevel Gearbox with Flange Input   car gearbox
editor by CX 2024-05-15