Technology

Introducing Nishimura's technology through examples

Cemented carbide machining(+/-0.003mm)

Cemented carbide processing

  • Machining machine: AZ250 (Sodick)
  • Tools: Diamond deposition tool
  • Workpiece material: superfine cemented carbide
  • Processing time: 20 minutes
  • Shape precision:+/-0.003

Cemented carbide processing

Reducing fluctuations in microchannels

Cemented carbide processing

Pagetop

Cemented carbide HRA91(+/-0.002mm)

Changed from the conventional electrical discharge machining to cutting.

  • Machining machine: AZ250 (Sodick)
  • Tools: Diamond deposition tool
  • Workpiece material: Superfine cemented carbide(HRA91)
  • Machining time: 60 minutes
  • Shape precision:+/-0.002

Cemented carbide HRA91

Cemented carbide HRA91

Pagetop

Making Acryl transparent

Machined prototype

Machined prototype

Prototype mold

Prototype mold

Developed a machining method to keep the acryl transparent after machining.

  • Machining machine: HS430 (Sodick)
  • Tools: Coated carbide tool
  • Workpiece material: Acryl
  • Machining time: 4 hours
  • Shape precision:+/-0.01

Pagetop

Reducing fluctuations in microchannels(press molds)

Microchannel mold

Microchannel mold

■Microchannel mold (upper)

  • Workpiece material: SKD11(HRC60)
  • Tools: CBN tool
  • Machining time: 120 minutes

Equipment and conditions

Equipment and conditions

■Micro-channel mold (lower)

  • Workpiece material: SKD11(HRC60)
  • Tools: CBN tool
  • Machining time: 150 minutes

Pagetop

250 μm groove machning

groove processing

Photo of tool

Photo of tool

  • Workpiece material: Cemented carbide
  • Tools: PCD tool(Polycrystalline diamond)
  • Machining depth: 0.2mm
  • Machining time: 31 minutes

Pagetop

Groove machining tool

Groove processing tool

Mold made with a groove machining tool (shape precision +/- 1 μm or better) and formed product.
Produced with a high-speed machining center and form grinding machine.

Press formed product cross-section

Fine mold cross-section shape

High-speed machining

Pagetop Forming tool processing Achieved precision of ± 5μm

91 Kitashige, Hiromi-cho, Toyota City,
Aichi 470-1215, Japan

TEL:+81-565-21-1583|FAX:+81-565-21-3579

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