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The Development of a Triaxial Cutting Force Sensor Based on a MEMS Strain Gauge.
- Source :
- Micromachines; Jan2018, Vol. 9 Issue 1, p30, 11p
- Publication Year :
- 2018
-
Abstract
- Cutting force measurement is a quintessential task for status monitoring during machining. In the past, a number of cutting force sensors have been developed, each featuring a different set of performance advantages. In a pursuit to improve the measuring sensitivity and reduce the cross-interference error, in this paper we propose a triaxial cutting force sensor based on a commercial micro-electro-mechanical system (MEMS) strain gauge. An elastic-sensitive element comprised of two mutual-perpendicular octagonal rings is designed for triaxial cutting force measurement, and a decoupling matrix is derived from static calibration to reduce cross-interference. It can be concluded from static calibration that the sensor's sensitivity is 0.32 mV/N, 0.32 mV/N, and 0.05 mV/N in triaxial directions, and the proposed decoupling matrix is able to reduce cross-interference error to 0.14%, 0.25%, and 4.42%. Dynamic cutting force measurement shows that the cutting force sensor can reflect the variation of cutting status very well, it is qualified to measure triaxial cutting forces in practical applications. [ABSTRACT FROM AUTHOR]
- Subjects :
- TACTILE sensors
MICROELECTROMECHANICAL systems
STRAIN gages
Subjects
Details
- Language :
- English
- ISSN :
- 2072666X
- Volume :
- 9
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Micromachines
- Publication Type :
- Academic Journal
- Accession number :
- 128051991
- Full Text :
- https://doi.org/10.3390/mi9010030