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Spiral Bevel Gear Set for Precision Right-Angle Transmission

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Spiral Bevel Gear Set for Precision Right-Angle Transmission

Name: Spiral Bevel Gear Set for Precision RightAngle Transmission
Brand: SJ, DH
Price: 1 USD

Brand Name : SJ, DH

Certification : ISO 9001

Place of Origin : Changsha, China

MOQ : Negotiable

Price : Negotiable

Payment Terms : T/T

Supply Ability : Negotiable

Delivery Time : (Sample order) 7 days

Packaging Details : According to customers' requests

Application : micro reducers, automation systems, and high-performance machinery.

Gear Type : Spiral Bevel Gear Pair

Material : 20CrMnTi, 17CrNiMo6, SCM420, or Custom Alloy Steel

HS Code : 848340

Heat Treatment : Carburizing & Quenching

Surface Hardness : HRC58–62

Backlash : ≤ 6 arcmin

Efficiency : ≥ 94%

Accuracy Grade : ISO 5-6

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Spiral Bevel Gear Set for Precision Right-Angle Transmission

The spiral bevel gear set is a high-precision mechanical transmission component designed to transfer motion and power between intersecting shafts, typically at a 90-degree angle.
With helical tooth geometry, these gears deliver smooth, quiet, and efficient power transmission — ideal for micro reducers, automation systems, and high-performance machinery.

1. Structure & Working Principle

This gear pair consists of:

Bevel Pinion (small gear) – connected to the input shaft, responsible for driving.
Bevel Gear (large gear) – mounted on the output shaft, transmitting motion at a right angle.

The spiral bevel design allows progressive tooth engagement, minimizing noise and vibration compared to straight bevel gears.
The teeth are precisely ground after heat treatment to ensure excellent contact accuracy, high load capacity, and long service life.

2. Technical Specifications

Spiral Bevel Gear Set for Precision Right-Angle Transmission
Gear Type	Spiral Bevel Gear Pair
Transmission Angle	90° (customizable 60°–120°)
Module Range	m0.8 – m6
Tooth Surface Accuracy	AGMA 10–12 / DIN 6
Gear Ratio	1:1 to 1:10
Material	20CrMnTi, 17CrNiMo6, SCM420, or Custom Alloy Steel
Heat Treatment	Carburizing & Quenching (Surface Hardness HRC58–62)
Tooth Grinding	Precision Ground for Low Noise
Surface Finish	Ra ≤ 0.8 μm
Backlash	≤ 6 arcmin (precision type)
Efficiency	≥ 94%
Lubrication	Synthetic gear oil or grease
Application Environment	-20°C ~ +120°C

3. Manufacturing Process

CNC Gear Cutting – Advanced Gleason or Klingelnberg gear-cutting centers ensure perfect spiral geometry.
Heat Treatment – Carburized and quenched for surface hardness while maintaining core toughness.
Gear Grinding – High-precision grinding achieves low noise and minimal backlash.
Dynamic Balancing – Guarantees smooth operation at high speeds.
Inspection & Testing – Every gear undergoes runout, tooth contact, and torque verification before delivery.

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