Overview

Gear Hobbing is a specialized gear cutting process that uses a hobbing cutter to produce precision gear teeth with high efficiency and repeatability. Yujiaxin Tech's gear hobbing facility covers gears up to 500 mm in diameter with module ranges from 0.5 to 12, achieving DIN 6 to DIN 8 quality grades. We manufacture spur gears, helical gears, worm gears, splines, and serrations using advanced CNC hobbing machines with production cycle times from 30 seconds to 5 minutes per piece depending on gear specifications. For applications requiring tighter precision, we offer post-hobbing finishing operations including gear shaving (up to DIN 5) and gear grinding (up to DIN 4). Our gear hobbing services support materials up to HRC 62 hardness and are ideal for production volumes from 100 to over 100,000 pieces. Tooling lead times are typically 4-6 weeks, making gear hobbing a cost-effective solution for both medium and high-volume gear production.

Key Advantages

<ul><li>High production efficiency — 30 seconds to 5 minutes per piece cycle time</li><li>Excellent gear quality — DIN 6-8 directly from hobbing, up to DIN 4 with finishing</li><li>Multiple gear types — spur, helical, worm, splines, and serrations in one setup</li><li>Wide size range — gears from small precision gears up to 500 mm diameter</li><li>Cost-effective — low tooling cost per gear, ideal for medium to high volumes</li><li>Material flexibility — cuts materials up to HRC 62, including pre-heat treated steels</li></ul>

Applications

<ul><li>Automotive transmissions — gearbox gears, differential gears, planetary gears</li><li>Industrial gearboxes — reducer gears, speed increaser gears, pump gears</li><li>Agricultural machinery — tractor PTO gears, harvester drive gears</li><li>Power tools — angle grinder gears, drill chuck gears, impact wrench gears</li><li>Robotics — precision reducer gears, actuator gears, servo motor gears</li></ul>

Technical Specifications

Parameter	Specification
Max Gear Diameter	Up to 500 mm
Module Range	0.5 - 12
Gear Quality (DIN)	DIN 6 - DIN 8
Max Tooth Length	200 mm
Production Volume	100 - 100,000+ pieces
Hobbing Cycle Time	30 sec - 5 min per piece
Material Hardness	Up to HRC 62

Frequently Asked Questions

What types of gears can be produced with hobbing?

Gear hobbing can produce spur gears, helical gears, worm gears, splines, and serrations. It is one of the most productive gear cutting methods, suitable for both small and large production runs.

What gear quality (DIN standard) can be achieved?

Gear hobbing typically achieves DIN 6 to DIN 8 quality grades. For higher precision requirements, additional finishing operations such as gear grinding or shaving can achieve DIN 4 to DIN 5 quality.

What is the maximum gear diameter for hobbing?

Our gear hobbing capability covers diameters up to 500 mm. For larger gears, alternative gear cutting methods such as gear shaping or gear milling may be used depending on the specific requirements.

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