Custom Spiral Gear for Automotive Gearbox is engineered for high efficiency, low noise, and long term durability under demanding transmission conditions. Designed with spiral tooth geometry, this gear ensures smooth torque transfer, reduced vibration, and improved contact ratio compared to straight-cut gears. It is ideal for automotive drivetrain systems requiring quiet operation, high load capacity, and precision synchronization.

Manufactured with high-strength alloy steel and processed with advanced CNC machining, heat treatment, and gear grinding technology, the spiral gear delivers excellent wear resistance and fatigue strength. Available in carburizing, nitriding, or induction hardening based on performance requirements, the gear offers optimized hardness distribution for extended service life.

Key Features:

• Smooth and quiet transmission with spiral tooth design

• High strength and load-bearing capability for automotive gearboxes

• Precision-machined for stable engagement at high speed

• Excellent wear resistance and fatigue performance

• Optional surface treatments: carburizing, nitriding, grinding, shot peening

• Supports OEM/ODM customization for modules, teeth, material, and finishing

• Suitable for passenger vehicles, commercial vehicles, EV transmissions, and heavy-duty automotive systems

Material & Specification Options:

• Materials: 20CrMnTi, 20MnCr5, 8620, 4140, 18CrNiMo7-6, custom alloys

• Tooth Profile: Spiral bevel / helical / custom profile

• Hardness: HRC 58–63 (carburized) / HRC 60–70 (nitrided)

• Precision Grade: DIN 5–8 or customized tolerance

• Available as single gear or gear-pinion matched set

With optimized tooth geometry and high-precision finish, this spiral gear provides reliable power transmission for modern automotive gearboxes, offering enhanced fuel efficiency, mechanical stability, and long service performance.