Structure Design and Optimization of Cutting Force Sensing Unit for Boring Bar
In order to meet the needs of measuring the cutting force of the boring bar,it uses ANSYS Workbench finite element analysis software to analyze the equivalent stress and equivalent strain of the boring bar,and determine the installation position of the sensing unit.Two boring bar sensing unit structures are proposed.The response surface optimization method is used to deter-mine the best optimization plan of the sensing unit.The best optimization plan is determined through calculation and analysis of related parameters,and compared with the sensing unit structure plan before optimization.The results show that when the maxi-mum equivalent strain of the strain-type micro-force sensor is not exceeded,the maximum measurement value of the boring bar in the uniform sensing unit structure is 329N;the maximum measurement value of the additional support sensing unit is 1000N as the design goal,and 5 optimal values are obtained Structural parameters,in actual design and manufacturing,can be se-lected according to the actual situation.
Boring BarCutting ForceSensing UnitStructural Design and Optimization
NETL
NSTL
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