Abstract
The castiron-bonded CBN wheel is a main grinding tool in aspheric injection mold ultra-precision grinding, but the truing and dressing of the CBN wheel is an obstacle during the process, in this paper, a special swing electrode and an arc-shape electrode were designed, and the iron-bonded CBN wheel was trued by the method of electric spark. After truing, the voltage of high frequency DC pulse power and the discharging gap were adjusted to dress the wheel. Through the truing and dressing, all the radius and form errors of the wheels were satisfied to the requirement of ultra-precision grinding. The radius error is 3.5 μm and the maxim form error is about 3 μm.
| Original language | English |
|---|---|
| Pages (from-to) | 60-62 |
| Number of pages | 3 |
| Journal | Jingangshi yu Moliao Moju Gongcheng/Diamond and Abrasives Engineering |
| Issue number | 2 |
| State | Published - Apr 2007 |
Keywords
- Aspheric mold
- Electric spark truing
- Super-hard abrasive wheel
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