组合机床与自动化加工技术
組閤機床與自動化加工技術
조합궤상여자동화가공기술
MODULAR MACHINE TOOL & AUTOMATIC MANUFACTURING TECHNIQUE
2015年
1期
54-56,70
,共4页
高速铣削%残留高度%数控加工%表面粗糙度
高速鐉削%殘留高度%數控加工%錶麵粗糙度
고속선삭%잔류고도%수공가공%표면조조도
high-speed milling%scallop height%NC machining%surface roughness
基于P20模具钢数控球刀铣削试验,对表面粗糙度的影响因素进行了研究。在试验数据极差分析的基础上得出了如下结论:加工残留高度是球刀铣削粗糙度最重要的影响因素。基于试验数据,利用最小二乘多元线性回归方法,推导并求解出P20模具钢球刀铣削粗糙度的数学模型。利用最优化设计方法和MATLAB优化工具箱,以加工效率为目标函数和以粗糙度预测模型为约束条件,针对实际的问题优选了铣削工艺参数。优化的工艺参数在保证表面加工质量的基础上可大幅提高加工效率,这为数控加工企业降低生产成本提供了重要的理论依据和案例参考。
基于P20模具鋼數控毬刀鐉削試驗,對錶麵粗糙度的影響因素進行瞭研究。在試驗數據極差分析的基礎上得齣瞭如下結論:加工殘留高度是毬刀鐉削粗糙度最重要的影響因素。基于試驗數據,利用最小二乘多元線性迴歸方法,推導併求解齣P20模具鋼毬刀鐉削粗糙度的數學模型。利用最優化設計方法和MATLAB優化工具箱,以加工效率為目標函數和以粗糙度預測模型為約束條件,針對實際的問題優選瞭鐉削工藝參數。優化的工藝參數在保證錶麵加工質量的基礎上可大幅提高加工效率,這為數控加工企業降低生產成本提供瞭重要的理論依據和案例參攷。
기우P20모구강수공구도선삭시험,대표면조조도적영향인소진행료연구。재시험수거겁차분석적기출상득출료여하결론:가공잔류고도시구도선삭조조도최중요적영향인소。기우시험수거,이용최소이승다원선성회귀방법,추도병구해출P20모구강구도선삭조조도적수학모형。이용최우화설계방법화MATLAB우화공구상,이가공효솔위목표함수화이조조도예측모형위약속조건,침대실제적문제우선료선삭공예삼수。우화적공예삼수재보증표면가공질량적기출상가대폭제고가공효솔,저위수공가공기업강저생산성본제공료중요적이론의거화안례삼고。
The affecting factors on surface roughness are studied based on NC milling tests with ball-end cut-ters for P20 mould steel. Based on the analysis of the test data conclusions are as follows:scallop height is the most important influencing factors of surface roughness for ball-end cutters milling. Based on the experi-mental data, the mathematical model of surface roughness with ball-end cutters milling for P20 mould steel is derived and solved by using of regression analysis method of least square. Aiming at the actual milling problem the cutting parameters are optimized by using of optimum tool-box of MATLAB software and opti-mal design method. The optimized cutting parameters can greatly improve the machining efficiency ensuring quality of the machined surface, it provides the important theory evidence and case reference for NC machi-ning enterprises to reduce production costs.