High Frequency Hardening (for shallow to medium case depths)

Bluewater Thermal Solutions high frequency hardening technique is a special induction hardening application our technicians can use to apply and obtain substantially different hardness patterns in most steel parts and components. Other parameters that affect the high frequency hardening process are power density and time spent heating the component. We typically utilize high frequency induction hardening for induction heating requests that involve shallow hardening because higher frequencies result in shallower eddy current penetration depths. High frequency ranges are typically above 100 kHz. Most importantly, if your specifications require a shallow penetration depth and high hardness then Bluewater’s high frequency induction hardening method will accomplish those needs.

High Frequency Hardening Properties

  • Rapid, clean, non-polluting
  • Can handle small and large capacity jobs
  • Minimum shape distortion
  • High quality parts with consistent case depths
  • Lower cost parts with increased load carrying capacity
  • Components treated with a minimum exposure to heat and require minimum to no post grinding
  • High Frequency affects shallow penetration depths with high surface hardness and wear resistance levels

High Frequency Induction Hardening Applications

  • Pins
  • Bushings
  • Automotive components
  • Gears
  • Sprockets
  • Transmission components

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