China Best Sales All Kinds of Helical Gear, Spur Gear, Cylindrical Gear, Spiral Bevel Gear wholesaler

Product Description

Product information

Product material: HT200

Suitable for: mechanical lathes

Product introduction: the advantages of pulley drive: pulley drive can ease the impact of load; Pulley drive running smoothly, low noise, low vibration; The structure of the pulley drive is simple and easy to adjust. Pulley transmission for pulley manufacturing and installation accuracy is not as strict as meshing transmission; The pulley transmission has the function of overload protection; The adjustment range of center distance between 2 shafts of pulley transmission is large. The disadvantages of belt drive are: pulley drive elastic sliding and skid, low transmission efficiency and can not maintain accurate transmission ratio; When the pulley transmission transmits the same large circumferential force, the contour size and the pressure on the shaft are larger than that of the meshing transmission. Pulley drive belt has shorter life

Product name: pulley

Type size: various models (can be customized)

Material: cast iron/cast steel /(can be customized)

Standard type: national standard

Applicable machine: CNC lathe

Pulley:

Pulley, belongs to the wheel hub class parts, generally relative size is relatively large, the manufacturing process is generally cast, forging. The general size of the larger design for the casting method, the material is generally cast iron (casting performance is good), rarely cast steel (steel casting performance is not good); Generally small size, can be designed for forging, the material is steel

The basic information

Chinese name

pulley

Foreign names

pulley

Application field

mechanical

role

Transmit power

Production requirements

Pulley material and production requirements

1. The belt pulley used for the ventilator is made of grey cast iron HT200,HT250, etc. (but steel, copper, aluminum, etc., can also be used according to customer requirements).

2. The pulley should meet: light weight, uniform mass distribution, eliminate the internal stress produced in the manufacturing, pulley should be static balance correction.

The belt specification

The specifications of the triangle belt are divided by the size of the back width (top width) and the height (thick). According to the different size of the back width (top width) and the height (thick), the national standard provides the O, A, B, C, D, E and other models of the triangle belt. The section width, top width and height of each type of the triangle belt are not the same. So the pulley must be made according to the shape of the triangle belt a variety of groove; These different slots. It determines the pulley O pulley, A pulley, B pulley, C pulley, D pulley, E pulley and other types of pulley.
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Certification: CE, ISO
Pulley Sizes: Type B
Manufacturing Process: Casting
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

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

spiral gear

How do spiral gears handle changes in direction and torque transmission?

Spiral gears are well-suited to handle changes in direction and torque transmission due to their unique design and characteristics. Here’s how spiral gears handle these aspects:

  • Smooth Direction Changes: Spiral gears excel at transmitting power smoothly even during changes in direction. The helical tooth arrangement allows for gradual tooth engagement and disengagement as the gears rotate. This gradual engagement minimizes the impact and shock typically associated with sudden direction changes in gear systems. As a result, spiral gears provide smoother and more reliable power transmission during both forward and reverse rotations.
  • Torque Transmission: Spiral gears are capable of transmitting high torque loads. The helical tooth profile and increased tooth contact area allow for efficient torque transfer between the driving and driven gears. The load distribution across multiple teeth helps to minimize stress concentration and maximize the gear’s torque-carrying capacity. This makes spiral gears suitable for applications requiring high torque transmission, such as heavy machinery and industrial equipment.
  • Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, resulting in axial thrust cancellation. This feature is particularly beneficial when dealing with bidirectional torque transmission. By canceling out the axial thrust, spiral gears can operate with reduced axial forces, ensuring smoother gear operation and minimizing the need for additional thrust bearings or complicated gear arrangements.
  • Load Sharing: Spiral gears naturally distribute the load across multiple teeth due to their helical tooth arrangement. This load sharing capability helps to minimize tooth wear and fatigue, ensuring long-term durability and reliability, especially when subjected to varying torque conditions. By distributing the load, spiral gears can handle torque variations more effectively and maintain uniform tooth contact, resulting in improved performance and extended gear life.

These characteristics of spiral gears—smooth direction changes, efficient torque transmission, axial thrust compensation, and load sharing—make them highly suitable for applications that require reliable and precise power transmission in both directions. Spiral gears are commonly used in various industries, including automotive, aerospace, and heavy machinery, where the ability to handle changes in direction and torque is crucial.

spiral gear

What is the impact of helix angle on spiral gear performance?

The helix angle plays a crucial role in determining the performance characteristics of spiral gears. It affects various aspects of gear operation and functionality. Here’s the impact of the helix angle on spiral gear performance:

  • Load-Carrying Capacity: The helix angle influences the load-carrying capacity of spiral gears. A larger helix angle results in a more pronounced helical shape of the teeth, providing a larger contact area between the gears. This increased contact area allows spiral gears to distribute the load over more teeth, thereby increasing their load-carrying capacity. Gears with larger helix angles can handle higher loads and transmit more torque.
  • Smoothness of Operation: The helix angle significantly affects the smoothness of gear operation. A larger helix angle leads to a more gradual tooth engagement as the gears mesh. This gradual engagement reduces impact and vibration during gear meshing, resulting in smoother operation and reduced noise levels. Spiral gears with larger helix angles are known for their quiet operation and enhanced gear meshing characteristics.
  • Efficiency and Power Transmission: The helix angle also influences the efficiency of power transmission in spiral gears. A larger helix angle reduces sliding friction between the teeth during meshing. This reduction in friction results in improved power transmission efficiency and reduced energy losses. Gears with larger helix angles are more efficient in transmitting power, making them suitable for applications where power efficiency is a critical factor.
  • Axial Thrust and Thrust Load: The helix angle affects the axial thrust and thrust load in spiral gears. Axial thrust is the force generated in the axial direction due to the helical tooth arrangement. A larger helix angle produces a higher axial thrust, while a smaller angle generates a lower axial thrust. The axial thrust must be considered and managed in gear design to ensure proper gear support and minimize the need for additional thrust bearings.
  • Contact Pattern and Gear Meshing: The helix angle influences the contact pattern between the teeth during gear meshing. A larger helix angle shifts the contact pattern across the tooth face, allowing for more even distribution of the load and reduced stress concentration. The contact pattern also affects the gear meshing characteristics, such as tooth wear and noise generation. Proper selection of the helix angle ensures optimal contact pattern and improved gear meshing performance.

The choice of helix angle in spiral gears depends on the specific application requirements, including load capacity, smoothness of operation, power transmission efficiency, and axial thrust considerations. By selecting an appropriate helix angle, engineers can optimize spiral gear performance for different applications, ensuring reliable and efficient gear operation.

spiral gear

Can you explain the advantages of using spiral gears over other gear types?

Spiral gears, also known as helical gears, offer several advantages over other gear types. These advantages stem from their unique design and characteristics. Here are some key advantages of using spiral gears:

  • Smooth and Quiet Operation: The helical tooth arrangement in spiral gears enables gradual tooth engagement, resulting in smoother and quieter operation compared to straight-cut gears. The angled teeth allow for gradual contact, reducing impact and noise during gear meshing.
  • High Load Capacity: Spiral gears can handle higher loads compared to straight-cut gears. The helical tooth design distributes the load over multiple teeth, increasing the load-carrying capacity and providing improved strength. This makes spiral gears well-suited for applications that require the transmission of high torque or the handling of significant loads.
  • Efficient Power Transmission: Spiral gears exhibit higher efficiency compared to straight-cut gears. The helical tooth arrangement helps minimize sliding friction between the teeth, resulting in reduced power losses due to friction during gear operation. This efficiency is crucial in applications where power transmission needs to be optimized, and energy losses need to be minimized.
  • Reduced Noise and Vibration: The gradual tooth engagement in spiral gears leads to reduced impact and vibration during gear meshing. This results in quieter operation, making spiral gears suitable for applications where noise reduction is important, such as in precision machinery or noise-sensitive environments.
  • Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, which helps cancel out the axial thrust generated during gear meshing. This feature eliminates the need for additional thrust bearings, simplifying the gear design and reducing complexity.
  • Versatility and Adaptability: Spiral gears can be manufactured in various configurations, including spur, helical, and double helical designs. This versatility allows for their application in a wide range of machinery and systems, providing flexibility in gear design and usage.

These advantages make spiral gears a preferred choice in many applications where smooth operation, high load capacity, efficient power transmission, reduced noise, and versatility are important considerations.

China Best Sales All Kinds of Helical Gear, Spur Gear, Cylindrical Gear, Spiral Bevel Gear wholesaler China Best Sales All Kinds of Helical Gear, Spur Gear, Cylindrical Gear, Spiral Bevel Gear wholesaler
editor by Dream 2024-05-03

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spiral gear

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