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Punches with TiN Coating

  • Material: HSS with heat treatment HRC 62+2
  • Dimensions: 5.32-0.02xΦ6.31-0.05xΦ7.42-0.05xΦ8+0.01xΦ9×43.85mm
  • Processing Procudures: Rough Turning→ Heat Treatment→ Centerless Grinding→ Mirror EDM on the top→ Fine Polishing before coating→ PVD TiN Coating→ Fine Polishing after coating→ Face Grinding
  • Processing Difficulties: Mirror EDM on the top
  • Measuring methods: 2D Measurement Machine, Micrometer Capllier and Calliper
  • Application: Cold Forming in fastening industry
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