机械叶片五轴数控加工刀具路径规划算法

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中图分类号：TP391 文献标志码：A 文章编号：1671-5276（2025）06-0030-05

Abstract：Toovercome thefailure inachieving simplified machiningby mechanical bladefiveaxis CNC machine toolsdue to their verycomplexpath planning，atolpath plamingalgorithm formechanicalbladefiveaxis CNC machining basedon projection discretepointsandenvelopesurfaces isproposed.Analgorithmfor generatingtheenvelopesurfaceof the initial key toolcontactisdesignedbasedonprojectingdiscretepoints，andthesweptsurfaceofthetol'sinitialkeytolcontact approximationcurve，namelytheenvelopesurfaceoftheinitialkeytoolcontactisgenerated.Toobtaintolpointdatatoolshape compensationisusedtogenerate tolpointdatabasedontheinitialtoolcontactenvelopesurface.Aninterpolationalgorithmfor equalarchheighterrorvariablesteptangentdiscretetolpointisdesigned，andtoolpoint trajectoryinterpolation for 5- axis CNC machiningofmechanicalbladesisimplementedtoachievetolpathplanning.Teexperimentaltestresultsshowthatthedesiged algorithmforimpelermachining tolpath planning isdrasticallysimplerandmoreregular，andthatthemachiningprocessis simpler and time-saving with application of the algorithm.

Keywords：blade procesing；projectingdiscrete points；envelopesurface;tol shape compensation; CNC machining tools；tool path planning

0 引言

在军事工业产品与民用工业产品的加工中，机械叶片五轴数控加工技术得到了广泛应用[1-2]。（剩余5242字）