Research on Orthogonal Decagonal Ring 3-D Cutting Force Sensor

In this study, an innovative orthogonal decagonal ring 3-D cutting force sensor (ODRCFS) was designed to address the insufficient static and dynamic performance assessment of cutting force sensors during high-speed cutting. First, the viability of the sensor structure was established, and the prototype was fabricated by theoretical analysis and simulation verification. Then, the strain gauges were pasted to the orthogonal decagonal ring before the prototype was tested for performance and cutting force measurement. The test results showed that the ODRCFS has a sensitivity of
$4.9\times 10^{-{2}}$
,
$5.2\times 10^{-{2}}$
, and
$1.1\times 10^{-{2}}$
mV/N in the
${F}_{c}$
,
${F}_{f}$
, and
${F}_{p}$
measurement directions, respectively, which is 3.62, 3.56, and 5.11 times higher than that of the octagonal ring cutting force sensor in each direction. The natural frequencies of
${F}_{c}$
,
${F}_{f}$
, and
${F}_{p}$
are 1605, 1611, and 3733 Hz, respectively, which is 39% higher than that of the octagonal ring cutting force sensor in the
${F}_{c}$
direction, indicating that the ODRCFS can sensitively reflect the change in cutting parameters during cutting.