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Micropolishing Parameters

Pre-Process:
  1. Workpiece - Surface finish.
  2. Workpiece Geometry (size, taper, barrel, hour glass, roundness, lobing)
  3. Workpiece - Material
  4. Workpiece - Hardness
  5. Workpiece - Surface cleanness (before process and measurement). (oil, lint, coating, etc.)
  6. Workpiece - Temperature
  7. Type of measuring device-
    • Brand and model of measuring device
    • Measurement parameters Ra, Rpk, Tp. etc.
    • Tp checked at (fill in dimension) depth
    • Measuring instrument tip stylist (point or radius)
    • Stylus tip angle
    • Stylus tip radius dimension
    • Stylus force
    • Filter type
    • Cut off length
    • Assessment length
    • Mastering (certification)
  8. Environment gauging
    • Grinding dust
    • Vibrations
Machine:
  1. Workpiece - Surface finish
  2. Electrical supply
  3. Proper set up -
    • Proper oscillation detail
    • Proper tooling shoes, guides, rollers, abrasive tape
    • Proper workpiece headstock driver <
    • Proper tailstock setting
    • Proper program
Process:
  1. Abrasive tape manufacturer
  2. Abrasive tape micron size (grit)
  3. Abrasive tape mineral (aluminum oxide).
  4. Abrasive tape backing (Q-back)
  5. Abrasive tape index frequency
  6. Abrasive tape length of index
  7. Coolant type
  8. Coolant filtration (10 micron)
  9. Coolant cleanness
  10. Coolant method of application
  11. Surface feet of Micropolishing clockwise (time, rpm, revolutions, diameter)
  12. Surface feet of Micropolishing counterclockwise (time, rpm, revolutions, diameter)
  13. Final direction of revolution (CW or CCW)
  14. Pressure
  15. Oscillation frequency (angle of crosshatch)
  16. Oscillation distance
  17. No oscillation
  18. Lead LH, RH no lead
  19. Tooling type backup shoe:
    • Material
    • Hardness
    • Configuration V, bored, other
    • Solid mounting
    • Pivot mounting
    • Double pivot mounting

Post Process:
  1. Surface cleanness
  2. Temperature
  3. Type of measuring device
    • Brand and model of measuring device
    • Measurement parameters Ra, Rpk, Tp, other
    • Measuring instrument contact tip stylist (point, radius)
    • Mastering (certification)

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