Research and Practice of Integrated CNC Machining Simulation Based on NX and VERICUT
Based on NX and VERICUT,this article takes the knob bump mold part as an example,solve the problems such as collision,interference and unreasonable parameter setting in the actual processing of the parts by establishing CNC machi-ning chain including simulation,optimization,machining and testing,and obtain a NC program with high quality and high ef-ficiency. The feasibility and correctness of the NC program were verified. Finally,the parts are actually processed on the VMC 1000Ⅱ vertical machining center machine tool. The processing time was shortened by 23min and the production effi-ciency was improved by 22. 11％ after optimization. At the same time,the accuracy of parts is detected by CMM,surface roughness is 0. 025μm,the maximum size error is 0. 084mm,the minimum error is 0. 027mm,which all meet the drawing design requirements. The research results show that the integration of NX and VERICUT software can realize the whole process of dynamic simulation and inspection of CNC machining,ensure the correctness of NC program,shorten the produc-tion cycle and improve the machining efficiency.
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