基于Pro_E的机床组合夹具三维元件库的建立和定位误差的分析.pdf

389/2008M5935iiiiiiiiiiiiiii收稿日期：20081213作者简介：1982o1Z_5C!9b基于Pro/E的机床组合夹具三维元件库的建立和定位误差的分析廖晶晶，韩祖行(vy350002)K15C!9/d17CSqoyCs9C!91b1!9qPro/EZ5iOYs$4BbW+s9ZEbCsZEM1ZEInFVW#9?sVUqiVT9C!9ZEb1oMPro/EFCqoms|TP392DSMAcI|10060316200805003804Studyonthefoundationoflibraryformachinetoolbuilt-in3DfixturepartsbaseonPro/EandlocationerrorAnalysisLIAOJing-jingHANGZu-xing(MechanicalDepartmentofFuzhouuniversityFuzhouUniversityFuzhou350002China)Abstract:ThestudyintroducesthepurposeofComputerAidBuilt-inFixtureDesignofMachinetoolsgivesexamplestoexpandhowtobuilduplibraryofmachinetoolsBuilt-inFixturepartsandanalysisonworkslocationerroratarandomlocation.ItisofgreatvaluefortheuseanddevelopmentofComputerAidBuilt-inFixtureDesignofMachinetoolsandlocationerroranalysis.Keywords:Pro/Ebuilt-infixturelibraryofpartslocationerror5CMdFqi|%CsF!b1TVLqF4Frqhs?v5?byN5C/1b5C|qB5CX$7yq3bqF!9H1-%sb5FCSqoysC!91bSqoyvv4,qqs475CbqPro/E5FCSFqoyiVbW+?sbWib1机床组合夹具标准三维元件库的建立5FCC,qS$?ZB!Wal3v3bB*5zTa?jSFqF8FbFC,qXvSK%i_BZPFqza26BZPPro/EyFCSoV?b2008M59359/391.1机床组合夹具库的结构5FCqNLBZL_Sq|FCvsqa_qaqaCqarTqbB?b1.2用Pro/E建立元件库Pro/E4=Q7?bPro/ProgramBV(FamilyTable)a1l+UDFaJ-LinkPro/TOOLKITbBVV5MM,q+YS,q5bYVy$,q,qBVlee#vlbVYVMe30,qbBV9SqobPro/EVUL=,qbbHBPq,q0qy1BBLMWV1b1v5FCSPro/E7y,qSm1UbCvbTm!9Pro/EGQd0d1d2BKKjbjVLVrbAU6jb图1侧面夹紧垫高块三维实体图2F1Ttji1TVTools/RalationslaIj1TK,qbm21!L=ed1d12bd1Cvd12v%db3|j+FS,qoTools/FamilyTableAdd/deletethetablecolumnsFj+d1d12b4yS,qoExcelb1vSb!9vVFHi1PBjWHhj；?j18/bd!99i4Kdj9aY1pb图2添加关系式5ya0BVBCvd?yBu7,qmBVFd#?idBV7yBVB|,q0BVbm3sYdb图3子组表参数图6i%,qo20,qu7Cv411,qmbCv20mm25mm|4mma5mmd4vbL=YV1|vPC1pb7y5FCSqoZEyFCSq5FCSqoLC!9by5CSoV3i%ve7%CqyV,q3%lM7o1pMV3V%iVuqic,qc,qV；8H8b409/2008M59352机床夹具的定位误差分析B=5CSoy1Cq,qC8BsC8b2.1夹具体的组成5C1?Fs5CFsqaFC8sbqC81Fsbm4BG5CCN8sB/5CFbmUgaga+gqqYqFbCq9C1?qBmC8CbYCYC?bC8COYV|CqB8bm7C8TNC8/Vbqa/aoVbqCqsC8b1.G2.G*3.4.q5.g6.+g7.T8.g9.%图4钻床夹具2.2定位误差分析方法Y|ZT1YVs7Ba=+a9pbNZEYjbInFVW#9519bobW+pop$sVVrbWib2.3定位误差矩阵分析qiBVAT|qUSOMbWxayaz6Bxayazm5b!qxayazsYMx0ay0az0sYaa5/M1bxayazMsY010001000010xxxMyz=+010000100010yxMyyz=+010000100001zxMyzz=+图5局部坐标图8MM()100010001xMyBz=+000xByz=xayazsYx1000cossin0sincosxTyz=ycos0sin010sin0cosxTyz=zcossin0sincos0001xTyz=8M()xTAyz=coscossinsinsincossinsinsincoscossinA=+sincossincoscossinsinsinsincossincoscossinsincoscos+123456789ZZXXYY2008M59359/41ATMqbVrTByVqS(MK(VbqbWVVU()()xxyAyBzz=+bWxxxxxGyyyyyzzzzz=()()()()xxxAyByAEyBzzz=+=+2.4定位误差的计算qVq+1/j9xayazZ_STVpqbNa9f/?ZpbCLHq/Wi4CLilbbWHlV7Tc?y01i?y0=QeTiAaBVbW0000sinsinsin0sinsinsin0xxGyyzz=+2.5联系实例V1G5qUS+bWbVVVAqSUSHKlb表1钻床空间误差分析表ZM/mm/radbWS(xyz)x0y0z0(0.0120.123-0.116)(000)0.0120.123-0.1160.4180.229-0.037(0.0120.529-0.343)(100)0.0120.123-0.1160.4180.229-0.037(0.0240.1230.290)(010)0.0120.123-0.1160.4180.229-0.037(0.239-0.177-0.116)(001)0.0120.123-0.1160.4180.229-0.0373总结bWVHVrM8Qq#VrbWiCszLNbCqoyC!9Vb参考文献：1Ru.C!9#M.2002.2S.Pro/ENGINEER2001M.bv2003.3=CTi.Pro/TOOLKITWir