基于LOM技术的大尺寸薄壁机械零件自动化加工方法研究  

Research on automatic machining method of large-size thin-wall machinery parts based on lom technology

作　　者：淮妮[1] 白瑀[2] HUAI Ni;BAI Yu(Xian Yang Vocational Technical College,Xianyang Shanxi 712000,China;Xi’an Technological University,Xi’an 710072,China)

机构地区：[1]咸阳职业技术学院,陕西咸阳712000 [2]西安工业大学,西安710072

出　　处：《自动化与仪器仪表》2020年第3期168-170,174,共4页Automation & Instrumentation

基　　金：陕西省教育厅基金项目:公办高职院校混合所有制办学模式的研究与实践(No.17GY039)。

摘　　要：现有的大尺寸薄壁机械零件自动化加工方法均存在着加工效率低、加工质量低的弊端,为了解决上述问题,引入LOM技术对大尺寸薄壁机械零件自动化加工方法进行设计与研究。根据大尺寸薄壁机械零件加工的特点采用LOM技术对加工目标曲面进行求解,以此为基础,采用截面线法对加工目标曲面信息进行提取,根据得到的加工目标曲面信息建立三维稳态切削力模型,以三维稳态切削力模型为依据,采用UG软件对数控机床加工程序进行编写与执行,实现了大尺寸薄壁机械零件的自动化加工。通过仿真对比实验得到,与现有的大尺寸薄壁机械零件自动化加工方法相比,提出的大尺寸薄壁机械零件自动化加工方法极大地提升了加工效率与质量,充分说明提出的大尺寸薄壁机械零件自动化加工方法具备更良好的加工性能。In order to solve the problems mentioned above,LOM technology is introduced to design and study the automatic processing method of large-scale thin-walled mechanical parts.According to the characteristics of large-scale thin-walled machine parts processing,LOM technology is used to solve the processing target surface.On this basis,the information of the processing target surface is extracted by cross-section method.According to the information of the processing target surface,a three-dimensional steady cutting force model is established.Based on the three-dimensional steady cutting force model,the NC machine tool processing program is compiled by UG software.With the implementation,the automatic processing of largescale thin-walled mechanical parts is realized.Compared with the existing automatic processing methods for large-scale thinwalled mechanical parts,the proposed automatic processing method for large-scale thin-walled mechanical parts greatly improves the processing efficiency and quality,fully demonstrating that the proposed automatic processing method for large-scale thin-walled mechanical parts has better processing performance.

关 键 词：LOM技术 大尺寸 薄壁 自动化 加工 

分 类 号：TP391.2[自动化与计算机技术—计算机应用技术]