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Dongguan Sainko Machinery Technology Co., Ltd.
Cases
Customer Case- Tooth Knife Passivation
2025-11-24
Samples: 5 pcs end mills provided by customer
Requirement: Cutting edge passivation, target edge radius 7 μm
Equipment & Abrasive: PL-24AX passivation & polishing machine with 15000-L abrasive
Process: Precise parameter control + two‑stage blasting for uniform edge treatment
Results:
All 5 tools achieved a stable edge radius of 7 μm, with serrations and burrs completely removed.
Comparison:
  • Before: Irregular edges with obvious burrs, high cutting resistance, poor surface quality
  • After: Smooth, uniform & rounded edges without burrs
Benefits: Significantly improved machined surface quality and chip evacuation performance.



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The main products of Sainko include single side abrasive polishers, double side abrasive polishers, jet polishers, resin copper discs, resin iron discs, abrasive pads, polishing pads, abrasive fluids, polishing fluids, fine grinding wheels, elastic abrasives for jet polishing, granulated diamond abrasives, etc.
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Address: Building 3, South of Central Production City, Songshanhu Street, Dongguan
Tel: 0769-22236130
Website: www.sainko.net
E-mail：luohui@sainkolapping.com
E-mail：luohui@sainko.net
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