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Spiral Bevel Gears

Spiral Bevel Gears

Module Range: 1.0 mm – 8.0 mm
AGMA Quality Level: 8–12
Shaft Angle: 90° standard, custom angles available
Material: 8620 Case-Hardening Steel, 4140 Alloy, 303 Stainless
MOQ: 10 pcs
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Product Parameters

 

Item Specification
Module Range 1.0 mm – 8.0 mm
AGMA Quality Level 8–12
Shaft Angle 90° standard, custom angles available
Material 8620 Case-Hardening Steel, 4140 Alloy, 303 Stainless
MOQ 10 pcs

 

description

 

Spiral bevel gears transmit power between intersecting shafts - typically at 90°, but any shaft angle can be produced. The spiral tooth form provides gradual tooth engagement, which is significantly quieter than straight bevel gears and handles higher speeds without the轰鸣 that straight bevels generate.

8620 case-hardening steel is the standard material for bevel gears - the surface gets hard for wear resistance while the core stays ductile for shock resistance. 4140 alloy handles higher torque applications where through-hardening strength is needed.

The Gleason and Klingelnberg systems produce different tooth geometries - the system affects noise, load capacity, and manufacturing cost. We work with both systems and select based on your application requirements.

product-1376-768

 

Why Spiral Bevel Beats Straight Bevel for Most Applications

 

Straight bevel gears impact abruptly at tooth engagement - this generates noise and limits maximum speed. Spiral bevel gears engage gradually along the tooth face, reducing noise dramatically and allowing higher pitch line speeds. For anything above a slow-speed conveyor, spiral is the practical choice.
product-1376-768

 

FAQ

 

Q1: MOQ?

A1: 10 pieces.

Q2: Shaft angle?

A2: 90° standard. Custom angles from 20° to 180° available.

Q3: AGMA levels?

A3: 8–12 depending on noise, accuracy, and load requirements.

Q4: Materials?

A4: 8620 case-hardening, 4140 alloy, 303 stainless.

Q5: Systems?

A5: Gleason and Klingelnberg tooth geometries available.

Q6: Custom configurations?

A6: Yes. Custom ratios, shaft angles, and tooth counts.

 

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  • ISO 9001:2015 - Certified quality management system covering design, machining, and inspection
  • Passivation / Electropolishing - ASTM A967 procedures for corrosion resistance
  • Material Traceability - Heat number tracking from raw material to finished part
  • First Article Inspection (FAI) - Full dimensional report included with every new order

 

From raw material to finished product, every step is controlled and documented:

  • Material Preparation - Bar or forging stock selection with material certification
  • Rough Machining - CNC turning/milling to gear blank profile
  • Gear Cutting - Hobbing, shaping, or milling for gear tooth geometry
  • Heat Treatment - Carburizing, induction hardening, or through-hardening
  • Grinding / Finishing - Gear tooth grinding for AGMA 10+ quality levels
  • Inspection - Lead, involute, and tooth thickness measurement against drawing
  • Cleaning & Packaging - Rust prevention oil coating and protective packaging

 

Hot Tags: spiral bevel gears, China spiral bevel gears manufacturers, Angular Gears, Cone Gears, Spur Wheels, Straight Spur Gears

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