Cutting Force Induced Error Prediction and Compensation Based on Feed Servo Motor Current

Bao Sheng Wang; Hong Yan Hao

doi:10.4028/www.scientific.net/AMM.44-47.879

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 44-47Cutting Force Induced Error Prediction and...

Cutting Force Induced Error Prediction and Compensation Based on Feed Servo Motor Current

Abstract:

According to the relation between feed servo motor current and cutting force, online monitoring of cutting force is realized by measuring the motor current. For the delay of current signal to cutting force, a method with artificial neural network is proposed. Subtracting the geometric error from the total error which is measured with a laser interferometer within the working volume, the cutting force induced error is achieved. With the multi-body system theory and the back-propagation neural network, cutting force induced deflection prediction model is established, and an error compensation system is developed. Milling experiments are done to validate the prediction model and the system. The results show that force error is reduced markedly, and the method for prediction and compensation is of great important to precision manufacturing.

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Periodical:

Applied Mechanics and Materials (Volumes 44-47)

Pages:

879-883

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.44-47.879

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Online since:

December 2010

Authors:

Bao Sheng Wang, Hong Yan Hao

Keywords:

Current, Cutting Force-Induced Error, Error Compensation, Error Prediction

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