Product Description

Product Description

1.Herringbone Gear  Processing
Double Helical Gear drawing CHECK, Make casting Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 
2.CHINAMFG Package
Spray anti-rust oil on Herringbone Gear Shaft, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.
3. OEM Customized Gear 
We supply OEM SERVICE, customized herringbone gear shaft with big module, more than 1tons big weight, more than 3m length, 42CrMo/35CrMo or your specified required material gear shaft. 

Supply: Bevel/Helical/Spur/Internal Gear, Bevel/Spiral/Crown Pinion, Gear Segment/Helical Rack, Herringbone/Helical Gear Shaft/Eccentric Shaft/ Hollow Shaft/ Crank shaft/Camshaft, Abnormal Axle and other transmission parts for transmission device & equipment (large industrial reducer & driver),which mainly used on cement, mining, metallurgical industry, Seaport facilities etc.

Detailed Photos

Product Parameters

Module m Range: 5~70
Gear Teeth Number z OEM by drawing’s technical parameters
Teeth Height H OEM by drawing’s technical parameters
Teeth Thickness S OEM by drawing’s technical parameters
Tooth pitch P OEM by drawing’s technical parameters
Tooth addendum Ha OEM by drawing’s technical parameters
Tooth dedendum Hf OEM by drawing’s technical parameters
Working height h’ OEM by drawing’s technical parameters
Bottom clearance C OEM by drawing’s technical parameters
Pressure Angle α OEM by drawing’s technical parameters
Helix Angle,    OEM by drawing’s technical parameters
Surface hardness HRC Range: HRC 50~HRC63(Quenching)
Hardness: HB Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface 
Surface finish   Range: Ra1.6~Ra3.2
Tooth surface roughness Ra Range: ≥0.4
Gear Accuracy Grade   Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter D Range: 1m~16m
Weight Kg Range: Min. 100kg~Max. 80tons Single Piece
Gear Position   Internal/External Gear
Toothed Portion Shape   Spur Gear/Bevel/Spiral/Helical/Straight
Shaft shape   Herringbone Gear Shaft / Gear Shaft / Eccentric Shaft / Spur Gear / Girth Gear / Gear Wheel
Material Forging/
Casting
Forging/ Casting 45/42CrMo/40Cr or OEM
Manufacturing Method   Cut Gear
Gear Teeth Milling  
Gear Teeth Grinding  
Heat Treatment   Quenching /Carburizing
Sand Blasting   Null
Testing   UT\MT
Trademark   TOTEM/OEM
Application   Gearbox, Reducer,
Petroleum,Cement,Mining,Metallurgy etc.
Wind driven generator,vertical mill reducer,oil rig helical gear,petroleum slurry pump gear shaft
Transport Package   Export package (wooden box, steel frame etc.)
Origin   China
HS Code   8483409000

 

Company Profile

TOTEM Machinery focus on supplying GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission devices & equipments(large industrial reducers & drivers). Which were mainly used in the fields of port facilities, cement, mining, metallurgical industry etc. We invested in several machine processing factories,forging factories and casting factories,relies on these strong reliable and high-quality supplier network, to let our customers worry free. 

1.Workshop & Processin

2. Testing Facilities

3. Customer Inspection & Shipping

 

FAQ

What’s CHINAMFG product processing progress?
Drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 

How about TOTEM’s export package?
Spray anti-rust oil on Herringbone Gear Shaft, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.

Could I customize gear\gear shaft on TOTEM?
We supply customized Gear Shaft,Eccentric Shaft,Herringbone Gear,Internal Gear,Bevel Gear with big module, more than 1tons big weight, more than 3m length, forging or casting 42CrMo/35CrMo or your specified required material. 

Why can I choose TOTEM?
TOTEM has 24hrs Salesman on-line, guarantee quick and positive feedback.
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality supplier’s network, to let customers worry-free purchase.
Experienced and Professional Forwarder Guarantee Log. transportation.

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Application: Motor, Motorcycle, Machinery, Marine, Cement
Hardness: Hardened Tooth Surface
Gear Position: Internal/External
Manufacturing Method: Cast Gear
Toothed Portion Shape: Bevel Wheel
Material: Cast Steel
Customization:
Available

|

Customized Request

herringbone gear

What is the purpose of using herringbone gears in machinery?

Using herringbone gears in machinery serves various purposes and offers several advantages. Here’s a detailed explanation of the purposes and benefits of using herringbone gears:

  • Smooth and Quiet Operation: Herringbone gears are known for their ability to provide smooth and quiet operation. The double helical tooth design cancels out axial and radial forces, minimizing gear vibrations and reducing noise levels during engagement. This makes herringbone gears suitable for applications where noise reduction and smooth operation are essential, such as precision machinery, automotive transmissions, and gearboxes in industrial equipment.
  • High Load Capacity: Herringbone gears have a high load-carrying capacity due to their double helical tooth profile. The opposing helix angles of the gear teeth distribute the load evenly, allowing for efficient power transmission even under heavy loads. This makes herringbone gears suitable for applications that involve high torque requirements and heavy-duty machinery, such as mining equipment, construction machinery, and marine propulsion systems.
  • Bidirectional Power Transmission: Herringbone gears can transmit power in both directions without the need for additional thrust bearings or special mechanisms. The double helical tooth profile cancels out axial thrust forces, eliminating the net axial thrust on the gear shaft. This bidirectional power transmission capability makes herringbone gears suitable for applications where reversible power transfer is required, such as marine propulsion systems, locomotives, and machine tools.
  • High-Speed Applications: Herringbone gears are well-suited for high-speed applications due to their enhanced tooth strength and efficient torque transfer. The double helical tooth design provides increased tooth contact area and improved load distribution, allowing for reliable power transmission at high rotational speeds. This makes herringbone gears suitable for applications such as turbo machinery, power generation equipment, and high-speed gearboxes.
  • Reduced Wear and Improved Durability: The double helical tooth profile of herringbone gears helps to minimize wear and improve gear durability. The opposing helix angles distribute the load evenly across the gear teeth, reducing localized stress concentrations and minimizing the risk of tooth failure. This ensures long service life and reliable operation, making herringbone gears suitable for applications where durability and longevity are critical, such as heavy machinery, industrial equipment, and wind turbine systems.
  • Efficient Power Transmission: Herringbone gears offer efficient power transmission 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 efficient torque transfer minimizes power losses and improves overall gear system efficiency, making herringbone gears suitable for applications where energy efficiency is a priority, such as automotive transmissions, gearboxes, and power transmission systems.

The purpose of using herringbone gears in machinery is to achieve smooth and quiet operation, handle high loads, enable bidirectional power transmission, accommodate high-speed applications, ensure durability and longevity, and achieve efficient power transmission. These advantages make herringbone gears a preferred choice in various industries and applications where reliable and high-performance gearing solutions are required.

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

What is a herringbone gear and how does it work?

A herringbone gear, also known as a double helical gear, is a specialized type of gear with a unique tooth design. Here’s a detailed explanation of what a herringbone gear is and how it works:

A herringbone gear consists of two helical gear sections that are mirror images of each other and are joined together to form a V-shaped or herringbone-shaped tooth profile. Unlike conventional helical gears, which have a single helix angle and a continuous spiral tooth profile, herringbone gears have two opposing helix angles, resulting in a “V” shape when viewed from the end.

The primary advantage of the herringbone gear design is its ability to eliminate axial thrust or end thrust forces that are generated in helical gears. In a conventional helical gear, the helix angle of the teeth causes an axial force along the gear’s axis during rotation. This axial force can create significant thrust loads that need to be counteracted using thrust bearings or other mechanisms.

By using the double helix design of herringbone gears, the opposing helix angles cancel out the axial forces generated by each helical section. This cancellation of axial forces eliminates the need for thrust bearings and allows herringbone gears to transmit torque smoothly without axial movement or thrust loads.

When a herringbone gear is in operation, the angled teeth of the two helical sections engage with each other, similar to how helical gears mesh. The contact between the teeth occurs gradually, starting from one end of the gear and progressing towards the other end. The overlapping or interlocking tooth profiles ensure a continuous and smooth transfer of power.

The herringbone gear design offers several advantages:

  • Axial Load Balancing: The opposing helix angles in herringbone gears balance out the axial forces, eliminating the need for thrust bearings and reducing wear on the gear teeth.
  • Increased Load Capacity: The V-shaped tooth profile of herringbone gears provides increased tooth contact area compared to a single helix gear. This leads to improved load distribution and higher load-carrying capacity.
  • Reduced Vibration and Noise: The double helix design of herringbone gears helps cancel out vibrations and reduce noise during operation. The opposing helix angles minimize tooth deflection and ensure smoother engagement between the gear teeth.
  • Bidirectional Power Transmission: Herringbone gears can transmit power in both directions due to their symmetrical tooth profiles. This makes them suitable for applications where reversing or bidirectional power transmission is required.
  • High Efficiency: The continuous and gradual engagement of the herringbone gear teeth results in improved efficiency by reducing sliding friction and minimizing backlash.

Herringbone gears are commonly used in various industrial applications, including power transmission systems, heavy machinery, oil and gas equipment, marine propulsion systems, and high-speed gearboxes. Their unique design and benefits make them well-suited for applications that require high torque transmission, smooth operation, and minimal axial thrust.

China factory CZPT OEM Forging Casting Big Module Herringbone Gear cycle gearChina factory CZPT OEM Forging Casting Big Module Herringbone Gear cycle gear
editor by CX 2024-03-26

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Herring Bone Gear

As one of the herringbone gear manufacturers, suppliers, and exporters of mechanical products, We offer herringbone gear and many other products.

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