薄壁叶片五轴加工工艺及加工变形实验验证分析

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中图分类号：TG659 文献标志码：A 文章编号：2095-2945（2025）21-0068-04

Abstract：Thefive-axismachiningprocessofthin-walledbladesisexplored，andexperimentsaredesignedtodiscussthe influenceofrakeangleonthemachiningdeformationofthin-waledblades.UsingNXsoftwareathin-walledblademodelwas establishedbyimportingpointsets，fitingcurves，generatingsurfaces，synthesizingsolidsandroundingcorners.Themachining processissetbasedonthismodel，andflatendmillsareusedforsidemilingintheroughmachiningstage，andballnd millsareusedforpointmilinginthesemi-finishing，finishingandcornercleaningstages.Takingtherakeangleastheonly variable，the rake angle of the ball-end milling cutter is set to 5∘ ， 10∘ ！ 15∘ ， 20∘ ， 25∘ and 30∘ respectively to explore the machiningdeformationunderdiferentinclinationangles.Theresultsshowthatthelargertheinclinationangleofthetoolaxis， the smaller the machining deformation. However，when the inclination angle exceeds 20∘ ，the effect of increasing the inclination angleonthemachiningdeformation isnotobvious.Itisappropriatetosettheinclinationangleof thetol axis to 15∘～20∘ in actual machining.

Keywords：thin-walledblade; five-axis machining;ball-end miling cutter; machining deformation;rake angle

薄壁叶片加工中可能造成工件变形的因素有若干种，工件自身因素如初始残余应力、受热膨胀性能，加工工艺因素如加工顺序、刀具路径，加工过程因素如切削热、热变形等。（剩余3928字）