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Roller burnishing of disc brake

Task
Improving the surface finish of disc brake rotors, requested roughness value Ra = 1 μm

Solution
Concurrent roller burnishing on both sides of a disc brake with HG6-29 tool

User benefits

  • Increase of lifetime by factor 2
  • Roughness Ra = 0,54 μm
  • Process time reduced by about 20%
  • Loss of disk brake incoming process

Details

  • Workpiece: Disc brake
  • Part of: Brake sytem
  • Material: Gray cast iron
  • Tensile strength: 150 MPa
  • Hardness: 550 - 650 N/mm2 
  • Demand: Ra = 1 μm or better

Parameter

  • Tool: HG6-29.02Z00°
  • Circumferential speed: 800 m/min
  • Feed rate: 0,15 mm/rev.
  • Rolling force: 120 bar

DOWNLOAD Application Example Disc Brake