Heat Treatment of Gears
Horsburgh & Scott offers custom gear heat treatment services, including in-house gas carburizing, induction hardening, stress-relieving and through-hardening.
In-house Gear Induction Hardening for Quality and Reliability
Carburizing
A surface heat treatment process in which iron or steel absorbs carbon when the metal is heated, with the intent of making the metal harder and stronger (3310, 4320, 4820, 8620, 18CrNiMon7, etc.)
- Newly installed pit carburizing furnaces
- 1 pit 2.0m diameter x 2.5m depth
- 1 pit 2.5m diameter x 2.0m depth
- Other pit carburizing furnaces
- 2 pits 1.0m diameter x 1.5m depth
- 2 pits 2.0m diameter x 4.5m depth
Gear Induction Hardening
A form of surface heat treatment in which a metal part is heated by induction heating and then quenched.
- Newly installed CNC gear induction hardening machine
- Gears to 5.0m diameter x 0.75m face
- Shafts to 3.0m length x 1.25m face
- Optimized for gear pitches of 3.0DP to 0.75DP
- Nondestructive ultrasonic case depth testing
Through Hardening
Carbon and alloy steels (1045, 4130, 4140, 4330v, 4340, etc.) that are hardened to ranges between 200 – 400 BHN.
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