基于STEP-NC的闭环加工技术研究与实现  

Research and implementation of closed-loop machining technology based on STEP-NC

作　　者：郑联语[1] 梁大伟[1] 雷沛[1] 

机构地区：[1]北京航空航天大学机械工程及自动化学院,北京100191

出　　处：《计算机集成制造系统》2011年第11期2389-2398,共10页Computer Integrated Manufacturing Systems

基　　金：北京航空航天大学创新基金资助项目~~

摘　　要：在研究闭环加工系统数据流需求和STEP-NC的基础上,提出了基于STEP-NC的闭环加工系统框架以及辅助实现STEP-NC执行和CAPP/CAM系统与CNC系统双向闭环的一种高层过程控制器,并对集成工艺规划、STEP-NC程序的后置处理、测量数据反馈与关联,以及工艺改进与优化等关键技术进行了研究与实现。开发并建立了一个闭环加工系统原型,通过STEP-NC标准测试件,验证了基于STEP-NC达到闭环加工的可行性与有效性。Based on studies of the data flow requirements and STEP-NC data model of closed-loop machining system,a STEP-NC based Closed-Loop Machining（CLM）system framework as well as a high-level process controller to realize STEP-NC program execution and bi-directional data loop was proposed.The approaches to four key techniques in CLM,including integrated process planning,post-process of STEP-NC program,feedback and association of measurement data,and process improvement and optimization were researched and implemented.A system prototype of CLM was developed,and a case study by STEP-NC test part indicated that the feasibility and validity of the proposed CLM system based on STEP-NC.

关 键 词：STEP-NC 闭环加工 集成工艺规划 高层过程控制 在机检测 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]