The Development of a Triaxial Cutting Force Sensor Based on a MEMS Strain Gauge
AbstractCutting 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. View Full-Text
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Zhao, Y.; Zhao, Y.; Ge, X. The Development of a Triaxial Cutting Force Sensor Based on a MEMS Strain Gauge. Micromachines 2018, 9, 30.
Zhao Y, Zhao Y, Ge X. The Development of a Triaxial Cutting Force Sensor Based on a MEMS Strain Gauge. Micromachines. 2018; 9(1):30.Chicago/Turabian Style
Zhao, You; Zhao, Yulong; Ge, Xiaohui. 2018. "The Development of a Triaxial Cutting Force Sensor Based on a MEMS Strain Gauge." Micromachines 9, no. 1: 30.
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