Precision machining apparatus and precision machining method
US7950981B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2006 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | May 30, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B49/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A precision machining apparatus is structured such that a feed-screw mechanism and an actuator are mounted on a second mount which supports a rotating device that rotates a wheel, and grinding is performed while appropriately adjusting the amount of movement of the second mount in a rough grinding stage through an ultra-precision grinding stage. A posture control device is interposed between a first mount and a rotating device that rotates a grinding target body. The thickness and evenness of the grinding target body are measured by an optical probe and the measurement results are sent to a computer. A feedback command is then sent to the posture control device to reduce the difference between target values and the measurement values and posture control is performed accordingly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.