China Good quality ARA Series Aluminium Helical Bevel Planetary Speed Reducer Transmission Gearboxes gearbox definition

Product Description

ARA Series Aluminium Helical Bevel Planetary Speed Reducer Transmission Gearboxes
High efficiency 
Competitive price 
Wide range of ratio
ARA series helical bevel gearbox straight bevel gearbox
90 Right Angle Bevel Gear Reducer
ARA series helical bevel gearbox straight bevel gearbox
hollow shaft bevel gearbox
aluminum bevel gearbox 
Spiral bevel speed reducer can rotate in either clockwise or anticlockwise and adopts a structure design of multi-direction and integrated input and output shaft. It has features of small volume, high loading capability, wide power range, low noise, high efficiency, flexible in alternating directions freely.
Ratio: 1:1,1.5:1 ,2:1 , 2.5:1 ,3:1 ,4:1 , 5:1 
Helical Gear Material: 20CrMnTi
Shaft Material: 40Cr Forged Steel 
Helical Gear Hardness: HRC58-62 
Gear Housing: Cast Iron(Ht250 or Qt450) 
 
Product Features:
1, chassis: high rigidity cast iron FC-25;
2, gear: high-quality high-purity alloy quenched processing by carburizing and grinding together;
3, the spindle: high quality alloy steel 40Cr quenched high purity processing, with hanging load capacity.
4, bearing: with a heavy load capacity tapered roller bearings;
5, Seal: imported oil seal lips, with a high dust and anti-spill.
 
Features:
 
ARA series of spiral bevel gearboxes characteristics: small , full installation , light weight, aluminum alloy shell, shaft requires the use of corrosion-resistant steel when ordering . Lubricant has been added at the factory .
 
ARA Series modular steering box using scientific design, features significant transmission equipment industry is an indispensable product . ARA series steering box excellent performance, light weight , small size, containing material ; rugged, high quality aluminum alloy die casting ; appearance, reasonable design, reverse operation , input and output using multi-dimensional structure, and the output diverse ways . For a wide range of torque, low noise , long life.
Technical parameters:
Power : 0.018KW ~ 4.94KW
Torque : 6.95 ~ 46.8Nm
Transmission ratio : 1:1, 2:1
 

 

HangZhou CZPT 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 CZPT 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.
 

 

Application: Machinery, Agricultural Machinery, Reducer
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
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.

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

Handling High Torque and Heavy Loads in Helical Gearboxes

Helical gearboxes are well-suited for handling high torque and heavy loads due to their unique design and meshing characteristics:

  • Helical Teeth: The helical shape of the gear teeth allows for gradual and continuous contact between the teeth during meshing. This results in smoother load distribution and reduced impact forces, making helical gears capable of handling heavy loads.
  • Multiple Tooth Contact: Helical gears have multiple teeth in contact at any given time, spreading the load over a larger area of gear teeth. This helps to distribute the load evenly and prevent localized wear and stress concentrations.
  • Increased Tooth Strength: The inclined orientation of helical gear teeth increases the tooth width, leading to greater tooth strength and improved load-carrying capacity.
  • Bearings and Shaft Design: The gearbox housing is designed to support heavy loads and provide proper alignment for the shafts and bearings. High-quality bearings and shafts help distribute the load and reduce wear.
  • Lubrication: Adequate lubrication is crucial to minimize friction and heat generation between gear teeth. Proper lubrication also helps to dissipate heat generated by the heavy loads.
  • Material Selection: High-strength materials with good wear resistance properties are chosen for helical gears to ensure they can withstand the demands of heavy loads.

Overall, the gradual engagement of helical gear teeth and their ability to handle multiple tooth contact positions them as a reliable choice for applications that require high torque and can handle heavy loads. Engineers carefully design helical gearboxes to ensure they can withstand the stresses imposed by the application’s specific requirements.

China Good quality ARA Series Aluminium Helical Bevel Planetary Speed Reducer Transmission Gearboxes   gearbox definition		China Good quality ARA Series Aluminium Helical Bevel Planetary Speed Reducer Transmission Gearboxes   gearbox definition
editor by CX 2023-10-12