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Herringbone Gears For Industrial Gearbox

The herringbone gear, also known as a double helical gear, is a precision-engineered power transmission component designed for the most demanding industrial applications. Its distinctive V-shaped tooth configuration, featuring symmetrical left and right helical angles, delivers a unique combination of high load capacity and smooth, quiet operation. By effectively canceling out the axial thrust forces inherent in single helical gears, the herringbone design significantly reduces bearing loads, enhances operational stability, and extends the service life of the entire drive system. This makes it the preferred choice for applications requiring reliable performance under extreme torque and continuous heavy loads.

Our large-diameter herringbone gears for industrial gearbox as shown in this photo are manufactured to the highest standards, offering a range of customizable technical specifications to meet your specific requirements.

Specification
Module
12
Application
Industrial gearbox
Material
18CrNiMo7-6
Heat Treatment
Carb. Case hardened
Accuracy
DIN 6
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Typical Applications of Herringbone Gear

 

Engineered for the most demanding environments, our herringbone gears are widely used across key industrial sectors.

  • In the mining and aggregates industry, they are integral to the operation of heavy-duty equipment such as crushers, mills, and kilns, reliably transmitting high torque under shock loads.
  • The marine and shipbuilding sector relies on them for propulsion systems in large cargo vessels and warships, where they ensure efficient, quiet power delivery in corrosive conditions.
  • They are also essential components in rolling mill gearboxes for steel production, hydroelectric turbines and wind turbine gearboxes in the energy sector, and critical drives in heavy industrial machinery where downtime is not an option.

Whatever your application, our herringbone gears provide the strength, durability, and precision required for 24/7 operation.

Production process

6-Step Herringbone Gear Production Process

Forging
Turning
Herringbone Gear Milling
OD Grinding
Heat Treatment
Grinding or 5-Axis Machining
1
2
3
4
5
6
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Forging

When gears need high performance that needs to withstand high loads, high stress, impact loads or fatigue loads, forgings are suggested to use. Forging allows metal fibers to be continuously distributed along the gear profile, significantly improving root strength and fatigue life.
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Turning

This is the process of cutting and shaping solid materials into precise parts. It uses tools like lathes, mills, and drills to remove excess material. Machining transforms a simple block of metal into a finished, functional component.
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Herringbone Gear Milling

Gear Milling is a gear cutting process that used a rotating from cutter shaped to match the exact space between two gear teeth is plunged into the gear blank. After cutting one tooth space, the blank is indexed to the next position.
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OD Grinding

OD Grinding is also called External Cylindrical Grinding, which is in order to finish the external cylindrical surface of a gear to precise diameter, roundness, and surface finish.
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Heat Treatment

Gears need to be running with two gears or above two gears, that makes them easy to be worn-out. That’s why most types of gears need to be harden through heat treatment.
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Grinding or 5-Axis Machining

Grinding corrects distortion and improves precision of hardened gears after heat treatment. 5-Axis machining mills complex gears in one setup with high accuracy for low-volume specialized parts.
Inspection

Strict Quality Inspection For Herringbone Gears

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Dimension Inspection

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Material Inspection

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Heat Treatment Testing

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UT & MT Testing

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Tooth Quality Inspection

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Accuracy Testing

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Dimension Inspection

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Material Inspection

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Heat Treatment Testing

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UT & MT Testing

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Tooth Quality Inspection

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Accuracy Testing

Packages

Professional Packaging Safe Arrival

Customized cost-effective packages for products protection. We select multi-model solutions, combining air, sea, or land freight for the optimal balance of cost, speed, and reliability.
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Inner Package

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Out Package

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Carton

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Wooden Package

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Your Precision
Transmission Partner

Do you have drawings to be implemented, or problems to be solved? Please feel free to contact us. From initial inquiry and technical specification confirmation to production and delivery, our dedicated team will provide you with one-on-one service, ensuring that every step meets your stringent requirements for precision.
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