Intelligent STEP-NC-Compliant Micro-process Planning Based on Rules and Hybrid Algorithm

doi:10.12068/j.issn.1005-3026.2020.08.009

Abstract

Abstract: Aimed at the poor intelligence and low efficiency of STEP-NC-compliant micro-process planning， an intelligent STEP-NC-compliant micro-process planning method based on rules and hybrid algorithm was proposed. In this method， a rule-based algorithm for matching manufacturing resources is proposed to choose the corresponding machine tools and cutting tools for each workingstep. Then， taking the shortest tool exchanging time as the optimization target， the hybrid algorithm which combines chaos algorithm with the genetic algorithm is used to optimize the STEP-NC-compliant workingstep sequences. Finally， taking the shortest machining time and the lowest machining cost as optimization objectives， the hybrid algorithm is used to optimize the STEP-NC-compliant machining parameters， which results in obtaining the optimal STEP-NC-compliant micro-process planning. The effectiveness and feasibility of this method was verified by using cases.

Key words: STEP-NC, intelligent micro-process planning, rule, hybrid algorithm, manufacturing resources matching

CLC Number:

TH166

ZHANG Yu， WANG Zhi-wei， LI Dong-sheng， GONG Ya-dong. Intelligent STEP-NC-Compliant Micro-process Planning Based on Rules and Hybrid Algorithm[J]. Journal of Northeastern University Natural Science, 2020, 41(8): 1116-1122.

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