现代制造工程
現代製造工程
현대제조공정
MODERN MANUFACTURING ENGINEERING
2014年
5期
46-51
,共6页
刀具路径%刀具半径补偿%后置处理%MasterCAM9.1软件
刀具路徑%刀具半徑補償%後置處理%MasterCAM9.1軟件
도구로경%도구반경보상%후치처리%MasterCAM9.1연건
tool-path%cutter radius compensation%post processing%MasterCAM9.1
为提高自由曲面数控加工的切削效率和加工精度，对自由曲面三坐标数控加工刀具路径工艺特点进行研究。分析了在MasterCAM软件内可采用的几种刀具路径规划方法及其实现的约束条件。研究了该软件内由参数线法、路径截面法和等残留高度法等三种算法生成各种刀具路径的优缺点，并根据三种算法所生成刀具路径的特点优化加工各种曲面的刀具路径。通过实例对三种算法所生成的刀具路径进行应用比较，结果表明，根据曲面形状特点合理选用及规划刀具路径，可提高刀具路径对曲面形状变化的适应性，减少残留高度，从而提高切削效率和加工质量。
為提高自由麯麵數控加工的切削效率和加工精度，對自由麯麵三坐標數控加工刀具路徑工藝特點進行研究。分析瞭在MasterCAM軟件內可採用的幾種刀具路徑規劃方法及其實現的約束條件。研究瞭該軟件內由參數線法、路徑截麵法和等殘留高度法等三種算法生成各種刀具路徑的優缺點，併根據三種算法所生成刀具路徑的特點優化加工各種麯麵的刀具路徑。通過實例對三種算法所生成的刀具路徑進行應用比較，結果錶明，根據麯麵形狀特點閤理選用及規劃刀具路徑，可提高刀具路徑對麯麵形狀變化的適應性，減少殘留高度，從而提高切削效率和加工質量。
위제고자유곡면수공가공적절삭효솔화가공정도，대자유곡면삼좌표수공가공도구로경공예특점진행연구。분석료재MasterCAM연건내가채용적궤충도구로경규화방법급기실현적약속조건。연구료해연건내유삼수선법、로경절면법화등잔류고도법등삼충산법생성각충도구로경적우결점，병근거삼충산법소생성도구로경적특점우화가공각충곡면적도구로경。통과실례대삼충산법소생성적도구로경진행응용비교，결과표명，근거곡면형상특점합리선용급규화도구로경，가제고도구로경대곡면형상변화적괄응성，감소잔류고도，종이제고절삭효솔화가공질량。
To improve cutting efficiency of free form surface and machining accuracy by Numerical Control (NC) machining,a tool path planning of processing haracteristics for three-axis free form surface machining was presented .Three kinds of tool path modes adopted in process of practical machining were analyzed .The haracteristics for three kinds of algorithm and optimization on tool-path planning were presented .Three kinds of tool path generation method were comparison of application by examples .Comparison results revealed that the tool-path was rational planed so that machining efficiency could greatly be improved and scallop height could be controlled easily .
