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Roller burnishing of guide sleeve

Task
Roller Burnishing of the cylindrical inner diameter to achieve a pre-defined surface roughness of about Ra = 1 μm

Solution
Processing with GMI roller burnishing tool on Swiss type CNC-automatic lathe

User benefits

  • Depth of roughness of Ra = 0,12 μm reached
  • Reduction of scrap rate (12%) by reaching process stability
  • Shortening of process time by about 8%

    Details

    • Workpiece: Guide sleeve 
    • Part of: Gas valve
    • Material: Stainless steel
    • Tensile strength: 650-850 Mpa
    • Hardness: 200-205 HB

    Parameter

    • Tool: GMI
    • Circumferential speed: 75 m/min
    • Feed rate: 0,1 mm/rev.
    • Cycle time: 2 seconds

    DOWNLOAD Application Example Guide Sleeve