Flexure-based dynamometer for determining cutting force
US7536924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2005 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Sep 29, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q17/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A high frequency flexure-based dynamometer for measuring vibrations to use in determining cutting forces in a tool is disclosed. The dynamometer device may operate within a pre-selected high frequency range while measuring cutting forces less than about 1 N. The dynamometer may include two coupled flexures that interact to produce vibration modes at the edge of a selected bandwidth of interest. These modes may produce a frequency response function within the desired frequency band that has a magnified response and is substantially constant. The dynamometer may include a workpiece mounted to one of the two flexures and a one or more precision accelerometers mounted to the first or second flexures. Finite element analysis may be used to optimize the flexure design.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.