Reliability Sensitivity Analysis of Thin-Walled Components Milling Machining

doi:10.12068/j.issn.1005-3026.2019.04.017

Abstract

Abstract: A stability and surface position error model for the thin-walled components milling was established by using a single frequency method. The Kriging method was used to analyze the reliability sensitivity of the stability and surface position error of thin-walled components milling， and to evaluate the influence of milling parameters on the stability and surface position error of thin-walled components milling. The results show that the system reliability increases with the increase of damping ratio and y direction stiffness of the thin-walled components milling system. The system reliability decreases with the increase of tangential force coefficient， natural frequency， radial invasion ratio and axial cutting depth. The radial force factor and feed per tooth have less impact on the system. The research results may provide reasonable theoretical basis for high speed milling of thin-walled components.

Key words: thin-walled components, Kriging, milling stability, surface position error, reliability sensitivity

CLC Number:

TG54

HUANG Xian-zhen ， ZANG Yun-fei， SONG Zeng-wang， JIAO Bao-long. Reliability Sensitivity Analysis of Thin-Walled Components Milling Machining[J]. Journal of Northeastern University Natural Science, 2019, 40(4): 543-547.

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