Sumitomo General Catalog 2025-2026

For Glasses Lens Roughing For Glasses Lens Finishing PCD Face Milling Cutters / New D Holders

Optical Components

PCD Face Milling Cutters For Glasses Lens Roughing

Efciency is improved not only for face milling but also free-form prole milling and grooving. Tool specications can be manufactured to order with requirements like mono-block tool bodies and indexable cutting edges.

 Features D Improves machined surface roughness and suppresses burrs. D Proprietary tool design balances reduced machining time and tool life.  Applications D Glasses lens roughing, resin molded parts, aluminum die cast alloys and other non-ferrous metal components

AL

New D Holders For Glasses Lens Finishing

The sharp cutting edge achieves the high shape precision and mirror finish required for glasses lens finishing.

 Features D The combination of our uniquely designed inserts and holders enables easy and precise tool setting, as with indexable inserts. D The rake face is free from adhesion and accumulation of chips, maintaining a high quality in worked surfaces even during continuous use.

 Applications D For Glasses Lens Finishing D For Resin Part Machining

 Comparative Examples (Glasses Lens Machining Examples)

[Results] Shape Precision: 0.8μm Surface Roughness (Ra): 0.1μm Output:

R2.0 Relief Angle 18° 1,200m/min 0.25mm/rev 0.08mm

1) Tool Specification 2) Cutting Speed 3) Feed Rate 4) Depth of Cut

2,000 pcs

Glasses Lens

Microscope Photo of Machined Surface

AL13

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