RTCP功能在后置处理中的应用

420114ModularMachineTool&AutomaticManufacturingTechniqueNo.4Apr.2011:1001-2265(2011)04-0074-04:2010-10-16*:(L2010556):(1975)),,,,,,(E-mail)[e-mail]功能在后置处理中的应用*陈明方1,梁全2,侯伯民1(1.沈阳职业技术学院电气工程系,沈阳110045;2.沈阳工业大学机械工程学院,沈阳110870):文章对五坐标数控加工后置处理中的跨象限问题进行了研究,给出了旋转轴为BC轴的五坐标数控机床的后置处理公式,分析了软RTCP功能的基本原理,给出了软RTCP功能算法流程为了验证文中提出的软RTCP功能算法的正确性,还在VERICUT软件中构建了机床模型,针对一闭式叶轮的封闭流道进行了仿真加工仿真试验表明,文中提出的算法可以很好的解决后置处理中的跨象限问题:后置处理;五坐标数控加工;RTCP;叶轮:TH16;TG65:ATheApplicationofRTCPFunctioninPostProcessCHENMing-fang1,LIANGQuan2,HOUBo-min1(1.ShenyangVocationalTechnologyCollegeDep.tofElectricalEngineering,Shenyang110045,China;2.ShenyangUniversityofTechnologyMechanicalEngineeringInstitute,Shenyang150001,China)Abstract:Thispaperstudiedthestepacrossquadrantprobleminfive-axisCNCpostprocess,proposedpostprocessformulaforBCrotationaxisfive-axisCNCmachine,analyzedfundamentaltheoryofsoftRTCPfunction,andprovidedalgorithmflowprocessofsoftRTCP.ForverifyingthevalidityofsoftRTCPfunctionalgorithm,thispaperalsocreatedafive-axismachinemodelinVERICUTapplication,simulatedmachiningaclosedrunnerofaclosedimpellerpar.tSimulationresultsshowedthesoftRTCPalgorithmcanideallysolvethestepacrossquadrantprobleminpostprocess.Keywords:postprocess;five-axisCNCmachine;RTCP;impeller0,,,,,,,,,,[1],,[2],,[3],[4,5],,,(1),RTCP,,,RTCP,VERICUT,1RTCP,,,BC,,[1],BC11BC1a,aZ,BC,,BC,aZ,aZC,YB1,B:B=arctgi2+j2k,k=0,B=90b(1),ijkXYZC:C=0b+arctgji,i0j0C=180b-arctgji,i0j\0C=180b+arctgji,i0j[0C=360b-arctgji,i0j[0(2)ZC:RZ=cosC-sinC00sinCcosC0000100001(3)YB:RY=cosB0sinB00100-sinB0cosB00001(4):T=100001000010ghk1(5),ghkXYZ(1)(2)(3)(4)(5),BC:X=[(XW+g)cosC+(YW+h)sinC]cosB-(ZW+k)sinBY=-(XW+g)sinC+(YW+h)cosCZ=[(XW+g)cosC+(YW+h)sinC]sinB+(ZW+k)cosB(6),XWYWZWXYZ(6),,2CAD2,CAD))),,,,3,34,,,,,#75#20114陈明方,等:RTCP功能在后置处理中的应用5,XYZ/0,XYZ/0,,55(2),C:C=360b-arctgji,i0j[0(7),C:C=0b+arctgji,i0j0(8),,:arctgji=S(9)S,(7)(8)(0b+S,360b-S),,C,,RTCP,RTCP2RTCP,,(6),(piv-ot),,,,,,RTCP;(RTCP)1RTCPRPCP,M,L6RTCPRPCPFIDIA,RTCP(RotationAroundToolCenterPoint)[4]RTCPRTCPRTCP,,RTCP,XYZ,XYZRTCP,RTCP,,1,,,C,,RTCP,(),C,#76#4RTCP,C,,RTCPRTCP(6),(1)(2),C1,,RTCP,773311RTCPRTCP,UG4,RTCP,1RTCP,21RTCP,N0155X-1301584Y-661402Z871430C1491122N0160X-511104Y-1171866Z1071658C961959N0165X-321783Y-1111394Z1131869C881495N0170X-111981Y-1021912Z1201311C771997N0175X-1041503Y-71091Z1181888C1801000,2RTCP,N0315X-101099Y-1051241Z1791306C771997N0335X-171928Y-1061069Z1761999C821854N0340X-241169Y-1081463Z1741830C871712N0345X-301637Y-1101079Z1721829C921569,N0420X-1081362Y-461212Z1701476C1651428N0425X-1091458Y-371498Z1711884C1701285N0430X-1091786Y-281516Z1731368C1751143N0435X-1091322Y-191329Z1741896C1801000,121,N0315N0175C(771997b180b)2,RTCP,N0315N0435,C,RTCP,N0335N0430,C312RTCPVERICUT8,VERICUT9,#77#20114陈明方,等:RTCP功能在后置处理中的应用,,,,,,,,,,4,,,,[][1],.[J].,2009(4):9-12,24.[2],.[J].,2009,38(1):110-112.[3],,.ARM[J]..2008,21(4):171-173.[4],,.WinCENC[J].,2009(11):72-74.[5],,.ARM9[J].,2008(3):45-48,59.[6].PC[J].,2008,37(3):56-58,68.[7],,.CPLDI/O[J].,2009(11):151-153.[8].PLC[J].,2009,32(2):1-3.[9],.[J].,2008(10):100-102.[10].PMC[J].,2008(9):49-51,55.[11],,.[J].,2008,14(4):637-643.[12],,.ARM[J].,2009(8):33-35,128.[13],,,.[J].,2008,34(4):250-251,268.()(上接第77页)4BC,,RTCP,RTCP,VERICUTRTCP,RTCP[][1],,.[J].,1994(1):7-10.[2],.[J].,1993(2):33-34.[3],,.[J].,2006(2):79-81.[4],,.[J].,2005(9):73-74.[5],,.[J].,2000(1):43-44.[6]FIDIA().,2000(9):172.()#81#20114贾文,等:支持多任务的高精度数控机床控制系统设计