Accu ball
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The cutting edge of Accu ball is formed up to 90°position from the circular arc top in case of radius size 20 μm and over, while it is up to 75° position in case of radius size less than 20 μm.
The effective length can be set in case of radius size of 20 μm and over. |
| Application | Work materials |
| Mold for PES lens, HUD, Aspherical lens, Lens array, Micro needle, etc. | NiP-plated, Hard and brittle materials, Nonferrous metals, Plastics, etc. |
| Standard specification | (mm) | |||
| Radius | Window angle | Cutting edge length | Effective length | Shank |
| 0.01 ≦ R ≦ 0.02 | 75° | ― | ― | φ6 × 50 |
| 0.02 ≦ R ≦ 3.0 | 90° | Eaqual to radius | Depending on radius |