Apparatus for measuring a cutting blade width in a cutting apparatus
US5573442A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1994 |
| Grant date | Nov 12, 1996 |
| Priority date | — |
| Expiry date | Aug 22, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/303
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for measuring the width of a cutting blade in a linear motor is activated when the cutting blade is raised. A working pin is advanced and one end of a detecting pin is abutted against an edge of the cutting blade. Thereafter, the working pin is returned. The blade width is derived by deducting the number of inputted driving pulses in returning from the advanced position of the detecting pin. The cutting blade is polished each polishing cycle for predetermined times by polishing rollers. The width of the cutting blade is measured by blade width detecting means during each predetermined polishing cycle. The measurement value of the blade width is fed back into a control device so that the subsequent polishing time of the cutting blade with the polishing rollers is adjusted until it becomes appropriate. The expiration of the useful life of the polishing rollers is determined when a long polishing time is required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.