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Precision Helical Gears for Robot Joint Reducers: DIN 6 Accuracy & Low-Backlash Machining

2026-05-02

Precision Helical Gears for Robot Joint Reducers

Customer & Application Scenarios

A German automation equipment manufacturer needs to customize a batch of high-precision helical gears for robot joint reducers, requiring low backlash, low noise, and long lifespan.

Product Specifications

Product: Alloy steel helical gear

Modulus: 1.5

Helix Angle: 15 degrees

Accuracy Level: 6

Tooth Surface Hardness: HRC58-62

Application: Front gear transmission of harmonic reducers

Our Solution

Five axis CNC rough machining of tooth profile, leaving 0.15mm grinding allowance; CNC formed gear grinding after carburizing and quenching treatment; Phosphating treatment is applied to the tooth surface to reduce initial wear. Adopting tooth profile modification to optimize meshing contact.

latest company case about Precision Helical Gears for Robot Joint Reducers: DIN 6 Accuracy & Low-Backlash Machining 0

Customer Feedback

Tooth profile accuracy meets DIN level 6 standard
Single tooth pitch error ± 0.008mm
Tooth surface hardness HRC60, hardened layer depth 0.8mm
The transmission noise is reduced by 3dB compared to the original supplier's products
The first batch of life tests exceeded 10000 hours without abnormal wear and tear

Summary

Precision gear CNC machining requires close coordination with subsequent processes such as heat treatment and precision machining. From material selection to final surface treatment, every step will affect the performance of the gear. Systematic process planning is the foundation of high-quality gear manufacturing.

Shenzhen Perfect Precision Product Co., Ltd.

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Precision Helical Gears for Robot Joint Reducers: DIN 6 Accuracy & Low-Backlash Machining

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