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Roller burnishing of ball joint of hip prosthesis

Task
Improve the surface quality of a ball joint for a hip-prosthesis

Solution
Roller burnishing of the ball joint surface and shortening the polishing process

User benefits

  • Shortening of the polish process
  • Reduction of production costs by about 27%
  • Achievement of surface quality Rz < 0,6 μm

Details

  • Workpiece: Ball joint
  • Part of: Implant
  • Material: Titan alloy
  • Tensile strength: 1000 N/mm2
  • Hardness: 39 HRC

Parameter

  • Tool: HG6-9K
  • Circumferential speed: 150 m/min
  • Feed rate: 0,1 mm/rev.
  • Rolling force: 750 N

DOWNLOAD Application Example Ball Joint of Hip-prosthesis