# Right-angle cutting chatter analysis modeling method

## A technology of right-angle cutting and modeling method, which can be used in measuring/indicating equipment, program control, instruments, etc., and can solve problems such as cumbersomeness and low accuracy of cutting force coefficients

Active Publication Date: 2017-09-12

WUHAN INSTITUTE OF TECHNOLOGY

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## Abstract

The invention relates to a right-angle cutting chatter analysis modeling method. The right-angle cutting chatter analysis modeling method comprises the following steps that firstly, a right-angle cutting chatter kinetic model is established; secondly, dynamic cutting force and a cutting force coefficient are calculated; and thirdly, a stability SLD figure of the right-angle cutting process is calculated. According to the right-angle cutting chatter analysis modeling method, the dynamic cutting process is regarded as the quasi-static cutting process at every moment, workpiece material features, tool geometry and cutting parameters are used as input parameters, the dynamic cutting force can be calculated through the cutting parameters which can be equivalently transformed, the expression of the dynamic cutting force coefficient is then theoretical deduced, through algebraic equation arrangement, the dynamic cutting force coefficient is obtained, the tediousness of experimental calibration is avoided, and the accuracy is improved; and in addition, the dynamic model of cutting chatter of a machine tool system can be expressed with a delay differential equation, the right-angle cutting chatter stability SLD figure is obtained with a time domain semi-discrete method through cutting stability analysis, and relatively real chatter stability prediction is provided.

Application Domain

Programme controlMeasurement/indication equipments

Technology Topic

Cutting forceMachine tool +6

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