Precision Small Herringbone Gears deliver the load capacity and smooth operation of double-helical geometry in compact, miniature form factors. Engineered for applications demanding zero axial thrust and minimal vibration, these precision gears feature opposed helical teeth that inherently balance thrust forces—eliminating the need for thrust bearings while achieving transmission efficiencies up to 99% .
Precision Small Herringbone Gears
Specification
Module
2.863
Application
Automation
Material
18CrNiMo7-6
Heat Treatment
Case Carburizing 58-62HRC
Accuracy
DIN 5
Precision Power Transmission for Demanding Small-Scale Applications
Our Precision Small Herringbone Gears are engineered for critical applications where space is limited but performance cannot be compromised. In robotics and automation, these gears enable smooth, backlash-controlled motion in compact joint actuators and miniature gearboxes—eliminating axial thrust that would otherwise require additional bearings in space-constrained assemblies. For medical and laboratory instrumentation, their quiet, vibration-free operation ensures precision positioning in diagnostic equipment and surgical robotics. In aerospace and defense applications, including drone actuators and flight control systems, the balanced thrust design and high power density deliver reliable performance under variable loads and bidirectional rotation. Precision machine tool spindles and printing presses benefit from the smooth torque transmission and minimal noise characteristics, while miniature pump drives and optical positioning systems leverage the high accuracy and repeatability these gears provide.
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
Out 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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