车身尺寸工程

1122„„zz„„zz„„zz„„zz33445566778899101011111212„„3322111313„„1414„„1515„„zzzzzz„„zz1616„„zz„„zz1717zzzzzz1818„„1919„„X1X1Y1Y1Z1Z12020„„zzzzzzzzzz2121RPSRPSVW01055VW010552222RPSRPSVW01055VW010552323RPSRPSVW01055VW010552424RPSRPSVW01055VW010552525RPSRPSVW01055VW010552626RPSRPSVW01055VW010552727RPSRPSVW01055VW010552828„„2929„„3030„„3131„„3232„„3333„„3434„„„„33--22--11„„„„„„„„3535„„„„„„„„„„„„363611zz3737„„zzzz••••••••zz3838„„zzzzzzzzzz393922„„404033„„„„„„4141--------4242zzzzzzzzzz434344„„„„44445.5.4545BENDENDYESNOOKNO5.0:BBEDNOOKDCBCE1.51.0AA464666--²²²4747••„„=(=(A.part)+(B.part)+(C.partA.part)+(B.part)+(C.part))4848AABBAABBAABBCCAABBCC0.350.350.50.50.50.50.350.350.230.230.230.230.230.230.40.40.40.40.40.40.50.50.50.50.70.70.70.70.330.330.330.330.330.330.580.580.580.580.580.580.750.750.750.751.061.061.061.060.50.50.50.50.50.50.860.860.860.860.860.861.51.51.01.00.70.74949775050•••••••515152525353--225454--335555--11„„„„5656--221618-16=22020-2.0:1/25757--335858--445959--556060--666161--116262--226363„„,,„„64646565„„„„„„1.01.0„„1.5,1.5,2.02.06666„„„„„„„„67676868696970707171„„„„„„„„„„7272SPCSPC„„(Statisticalproess(Statisticalproesscontrol)control)„„QS9000QS9000„„APQP,FMEA,MSA,SPC&PPAPAPQP,FMEA,MSA,SPC&PPAP7373SPCSPC„„„„„„„„„„„„7474SPCSPC„„7575:NormalDistributionSigma%is“O.K.”(PPM)Cpk+/-399.7327001+/-499.9937631.33+/-599.999943.571.67+/-699.9999998.00222σ6σ1σ1σ2σ3σ3σ4σ5σ6σ4σ5σ7676:NormalDistribution7777:NormalDistribution7878NormalDistributionNormalDistribution:(:1nxnxinii∑==µ„„„„„„„„CpCp„„Cpk:()(:122nxnxinii∑=−=µσσσ6LDLUDLcp−==σµµ3),(−−=UDLLDLMincpkCpkUDL:UpperDesignLimit,LDL:LowerDesignLimit,79798080SPCSPC„„zz••XX--barbar--------ÆÆ••SS--------------------ÆÆzz••CpCp••CpkCpkσ6LDLUDLcp−==σµµ3),(−−=UDLLDLMincpk8181SPCSPC8282SPCSPC8383SPCSPC8484SPCSPC„„„„„„„„„„„„CpCpCpCp8585„„„„8686„„zzGRGR------GuagerepeatabilityGuagerepeatabilityzzGR&RGR&R------Guagerepeatability&Guagerepeatability&reproduceabilityreproduceability8787„„„„„„„„„„8888GRGR„„NN„„NNGR=6GR=68989GRGR„„NN„„NNGR=6GR=69090GRGR„„„„GR25%*GR25%*““””9191929293939494959596969797