Research on Reliability-based Robust Design Method for Rotation Systems of CNC Turrets

doi:10.3969/j.issn.1000-1093.2013.09.012

Abstract

Abstract:

A reliability-based robust design for turret rotation systems of computered numerical control (CNC) machine tools is extensively discussed by combining the reliability-based optimization design theory, the reliability sensitivity technique and the robust design method. The commercial software is used to establish a kinematic analysis model of the rotation system of the turret. The design of experiment is applied to obtain the quantitative relation between system responses and design variables, and then the artificial neural network (ANN) is used to approximate the functional relation between system responses and design variables. The reliability and reliability sensitivity analyses are performed by using the first order second moment method. Finally, a model for reliability-based robust design of the rotation system of the turret is developed. A practical engineering study indicates that the proposed method is a general and effective method for reliability-based design of the rotation system of the turret.

Key words: mechanical design, turret, rotation system, reliability-based robust design, computered numerical control machine tool

CLC Number:

TH112. 1

HUANG Xian-zhen, WU Mao-chang, ZHANG Yi-min, HU Nai-tao. Research on Reliability-based Robust Design Method for Rotation Systems of CNC Turrets[J]. Acta Armamentarii, 2013, 34(9): 1132-1136.

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