Double Helical Gear Wheels deliver exceptional load capacity and smooth power transmission through advanced herringbone gear geometry. Also known as double helical gears, these wheels feature two sets of opposing helix angles that inherently cancel axial thrust—eliminating the need for thrust bearings while enabling transmission efficiencies.
Output Double Helical Gear Wheel
Specification
Module
12
Application
Industrial Gearbox
Material
18CrNiMo7-6
Heat Treatment
Case Carburizing 58-62HRC
Accuracy
DIN 6
Engineered for Continuous-Duty Heavy Industrial Applications
Our Double Helical Gear Wheels are trusted across heavy industry where failure is not an option. In cement and mineral processing, they drive rotary kilns, vertical roller mills, and ball mills under continuous shock loading and extreme thermal cycles.
For steel and metal production, these gears deliver reliable performance in rolling mills, traveling grates, and nodulizers that must withstand high temperatures and repetitive impact.
Bulk material handling operations—including apron conveyors, bucket elevators, and stacker-reclaimers—rely on the balanced thrust design and high power density for 24/7 operation in dust-laden environments.
Production process
6-Step Production Process
Forging
Turning
Herringbone Gear Milling
OD Grinding
Heat Treatment
Grinding or 5-Axis Machining
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.
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.
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.
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.
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.
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
Dimension Inspection
Material Inspection
Heat Treatment Testing
UT & MT Testing
Tooth Quality Inspection
Accuracy Testing
Dimension Inspection
Material Inspection
Heat Treatment Testing
UT & MT Testing
Tooth Quality Inspection
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.
Inner Package
Outer Package
Carton
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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