China Hot selling OEM Large Diameter Carbon Steel Double Helical Herringbone Gear spurs gear

Product Description

Product Description

 

A herringbone gear is a specific type of double helical gear. Each helical groove of this gear looks like the letter V, and many together form a herringbone pattern.

 

Kingrail Parts can produce all kinds of herringbone gear for mining machinery, mills, kilns and other equipment.

 

Specifications:

Material

Carbon steel,Alloy steel

Structure

Forging,casting

Type of gear

Herringbone gear

Heat treatment

Quenching and tempering

Process 

Forging, rough machining, QT, finish machining

Main equipments

Hobbing,CNC machine

Module

Up to 200

Precision of gear

Grinding ISO Grade 5-7 & Hobbing ISO Grade 8-9

Inspection

Raw material inspection, UT,physical property test,dimension inspect

 

Kingrail Parts can customize herringbone gear according to customer’s specifications and requirements

 

Manufacturing process:
Rraw matrial — Forging testing– Turning — Drilling — Heat Treatment — Milling– Grinding — Shaping and hobbing Process — Packing — Shipping

 

After Sales Service

 

1. OEM and customized service.
2. Full machining, primer coating, surface treatment.
3. Complete material testing process.
4. Quality control

Contact us

 

If you have any questions, pls feel free to contact us
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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Customization:
Available

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Customized Request

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Shipping Cost:

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

herringbone gear

How do herringbone gears contribute to smooth power transmission?

Herringbone gears contribute to smooth power transmission through their unique design and characteristics. Here’s a detailed explanation of how herringbone gears achieve smooth power transmission:

  • Opposing Helix Angles: Herringbone gears have a double helical tooth profile with opposing helix angles on each side. The helix angles are inclined in opposite directions to each other. This design feature helps to cancel out axial and radial forces that would occur in single helical gears. The opposing helix angles create a self-centering effect that promotes proper tooth engagement and load distribution, reducing gear vibrations and ensuring smooth power transmission.
  • Reduced Vibration and Noise: The opposing helix angles of the herringbone gear teeth minimize gear vibrations during operation. When the teeth of one side of the gear mesh with the teeth of the other side, the opposing helix angles create a balanced force distribution that counteracts any tendency for the gear to move laterally. This results in reduced vibration and noise levels, making herringbone gears ideal for applications where quiet operation is desired, such as precision machinery and automotive transmissions.
  • Large Contact Area: Herringbone gears have a larger contact area compared to spur gears. The double helical tooth profile allows for overlapping engagement of the gear teeth, resulting in a larger contact ratio. This increased contact area distributes the transmitted torque over more teeth, reducing the stress on individual teeth and promoting smoother power transmission. The larger contact area also helps to minimize wear and improve the overall durability of the gear system.
  • Enhanced Load Distribution: The double helical tooth design of herringbone gears provides improved load distribution along the tooth surfaces. The opposing helix angles help to evenly distribute the transmitted load between the two sides of the gear. This balanced load distribution minimizes localized stress concentrations and reduces the risk of tooth failure. It ensures that the torque is transmitted smoothly across the entire tooth profile, resulting in efficient power transmission and reduced wear.
  • Efficient Torque Transfer: Herringbone gears offer efficient torque transfer due to their large contact area and overlapping tooth engagement. The double helical tooth profile provides a larger contact ratio compared to spur gears, allowing for a greater number of teeth in contact at any given time. This increased contact ratio distributes the torque more evenly, reducing the risk of tooth shear and improving power transmission efficiency. The efficient torque transfer contributes to smooth and reliable operation of the gear system.

These factors combined – opposing helix angles, reduced vibration and noise, large contact area, enhanced load distribution, and efficient torque transfer – contribute to the smooth power transmission capabilities of herringbone gears. Their design minimizes the effects of axial and radial forces, promotes balanced load distribution, and ensures reliable and efficient power transfer in various applications.

herringbone gear

How do you prevent backlash and gear play in a herringbone gear mechanism?

Preventing backlash and gear play is crucial in a herringbone gear mechanism to ensure accurate and efficient power transmission. Here’s a detailed explanation of methods to prevent backlash and gear play in a herringbone gear mechanism:

  • Precision Manufacturing: Backlash and gear play can be minimized by ensuring precise manufacturing of the herringbone gears. This involves maintaining tight tolerances during gear machining, tooth profiling, and gear assembly. High-quality manufacturing processes help achieve proper gear tooth engagement and minimize any gaps that can lead to backlash.
  • Proper Gear Alignment: Accurate alignment of the herringbone gears is essential to reduce backlash. Misalignment can result in uneven load distribution and improper gear meshing, leading to increased gear play. Proper alignment should be ensured during the initial installation and periodically checked during maintenance to maintain optimal gear performance.
  • Optimal Tooth Contact: Maximizing tooth contact between the herringbone gears can help reduce backlash. This can be achieved by adjusting the gear position, gear meshing depth, and gear tooth profile. By optimizing tooth contact, the gears are more tightly engaged, minimizing any free play or backlash between the gear teeth.
  • Preload or Gear Meshing Pre-Tensioning: Applying a small amount of preload or pre-tensioning in the herringbone gear mechanism can help minimize backlash. This can be achieved by using spring-loaded components, such as thrust bearings or Belleville washers, to exert a slight force on the gears, ensuring continuous contact and reducing any play between the gear teeth.
  • Appropriate Lubrication: Proper lubrication of the herringbone gears is essential to reduce friction, wear, and backlash. Using the right type and amount of lubricant helps maintain smooth gear operation, ensuring optimal gear meshing and minimizing gear play. Regular lubrication maintenance is necessary to prevent excessive wear and maintain proper lubrication film thickness.
  • Stiff Gearbox Design: A stiff and rigid gearbox design can help minimize gear play and backlash. By reducing any flexing or deflection within the gearbox components, the herringbone gears can maintain their proper alignment and engagement, reducing the potential for backlash. Robust housing structures, rigid shafts, and appropriate bearing support contribute to a stiff gearbox design.
  • Periodic Maintenance and Inspection: Regular maintenance and inspection procedures are crucial for identifying and addressing any potential issues that can lead to backlash or gear play in a herringbone gear mechanism. This includes checking gear alignment, lubrication condition, gear tooth wear, and any signs of damage or misalignment. Any detected problems should be promptly resolved to maintain optimal gear performance.

Implementing these prevention methods can help minimize backlash and gear play, ensuring accurate and efficient power transmission in a herringbone gear mechanism. It is important to consider the specific operating conditions, load requirements, and system design factors when applying these methods to achieve the best performance from herringbone gears.

herringbone gear

Can you explain the unique shape of herringbone gear teeth?

The unique shape of herringbone gear teeth is a defining characteristic of herringbone gears, also known as double helical gears. Here’s a detailed explanation of the unique shape of herringbone gear teeth:

Herringbone gears have a V-shaped or herringbone-shaped tooth profile, which is formed by two helical gear sections that are mirror images of each other. This tooth profile is distinct from the straight or helical tooth profiles found in other types of gears such as spur gears or helical gears.

When viewed from the end, the teeth of a herringbone gear resemble the letter “V”. This shape is created by the combination of two opposing helix angles, one on each side of the gear. The helix angle refers to the angle at which the teeth are inclined relative to the gear’s axis.

In a herringbone gear, the helix angle of one helical section is opposite in direction to the helix angle of the other helical section. This means that as the gear rotates, the teeth on one side lean in one direction, while the teeth on the other side lean in the opposite direction.

The opposing helix angles of the two gear sections in herringbone gears serve several important purposes:

  • Axial Thrust Elimination: One of the main advantages of the herringbone gear design is the elimination of axial thrust or end thrust forces. In helical gears, the helix angle of the teeth generates an axial force along the gear’s axis during rotation. However, in herringbone gears, the opposing helix angles cancel out these axial forces, resulting in a balanced gear that does not experience significant axial movement or require thrust bearings.
  • Smooth Engagement: The opposing helix angles of herringbone gears facilitate smooth and gradual tooth engagement. As the gear rotates, the teeth on one side gradually come into contact with the teeth on the other side. This gradual meshing reduces sliding friction, minimizes backlash, and ensures a continuous and smooth transfer of power between the gear sections.
  • Increased Load Capacity: The V-shaped tooth profile of herringbone gears provides increased tooth contact area compared to gears with straight or helical teeth. This increased contact area improves load distribution and allows herringbone gears to handle higher torque loads, resulting in an increased load-carrying capacity.

The unique shape of herringbone gear teeth requires precise manufacturing techniques to ensure proper meshing and alignment of the gear sections. The teeth must be accurately machined to achieve the correct helix angles and tooth profiles, ensuring smooth operation and efficient power transmission.

In summary, the unique shape of herringbone gear teeth, with their V-shaped or herringbone-shaped profile formed by opposing helix angles, enables axial thrust elimination, smooth engagement, and increased load capacity. These characteristics make herringbone gears well-suited for applications where efficient torque transmission, balanced operation, and high load-carrying capacity are essential.

China Hot selling OEM Large Diameter Carbon Steel Double Helical Herringbone Gear spurs gearChina Hot selling OEM Large Diameter Carbon Steel Double Helical Herringbone Gear spurs gear
editor by CX 2024-03-26