切削加工钛合金的切削参数优化研究.pdf

16 工具技术 切削加工钛合金的切削参数优化研究 陈尔涛，高云，金成哲 沈阳理工大学 摘要：钛合金材料因其具有强度高、耐腐蚀性好、耐热高等特点被广泛用于航空航天、舰船、民用工业等各个 领域。而钛合金是典型的难加工材料，切削钛合金的加工效率和质量较低。本文选用了不同种牌号的硬质合金刀 具，进行了切削加工TCA钛合金刀具磨损及耐用度试验。基于切削加工钛合金的刀具磨损及耐用度试验结果分 析，确定了切削速度、切削深度和每齿进给量等切削参数作为设计变量，建立了以切削加工钛合金最大金属去除率 为优化目标函数，依据实际加工条件设计了相应的约束条件，最终建立了切削参数优化数学模型。 关键词：切削加工；TCA钛合金；切削参数；优化 中图分类号：TG561 文献标志码：A Researchon of ParametersBasedon Titanium OptimizationCutting MachiningAlloy Chen Ertao，GaoYun，Jin Chengzhe ofits corrosion Abstract：Because resistanceand heat are highstrength，good high resistance，titaniumalloywidely usedin andother fields．Itisa difficult-to-machine effi— industry typical material，the aerospace，ships，civilian machining and of islow．Differentkindsofcarbide are thetool the tools usedtodo wear of ciencyquality miHing cutting experiment TC4titanium onthis the of the machining alloy，andbasis，throughoptimizationcuttingparameters，thispaperget biggest metalremovalrateof titanium determinethe of andfeed milling alloy．To cuttingparameterscuttingspeed，cuttingdepth toothas establishedthe functionofthe metalremoval totheaetu- per designvariables，and objective largest rate，according al conditionsfor the constraint mathematical processing designcorrespon