AB基准要求0.2的对称度，A基准为平面，B基准为两个孔的中心点，去评价槽的对称度，麻烦大神帮我看看，不胜感激。:-D

[b]回复 [url=http://bbs.hexagonmetrology.com.cn/showtopic.aspx?topicid=16149&postid=131099#131099]2楼[color=olive]sun[/color]的帖子[/url][/b] 谢谢孙老师的讲解，但是我在评价的时候得出来的结果都是0，是坐标系建立出错还是我的评价出错这个让我很纠结。基准B只是一条线，并不在评价对称元素的基准平面上。

[b]回复 [url=http://bbs.hexagonmetrology.com.cn/showtopic.aspx?topicid=16149&postid=131123#131123]4楼[color=olive]sun[/color]的帖子[/url][/b] STARTUP =ALIGNMENT/START,RECALL:,LIST=YES ALIGNMENT/END MODE/DCC PREHIT/ 1 RETRACT/ 1 MOVESPEED/ 35 MANRETRACT/1 FORMAT/TEXT,OPTIONS, ,HEADINGS,SYMBOLS, ;MEAS,NOM,TOL,DEV,OUTTOL,DEVANG, LOADPROBE/TP200-1 TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0 RECALL/ALIGNMENT,EXTERNAL,22-19-151,22-19-151:22-19-151 PNT1 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/10.05,-23.88,-5.1,0,0,1 ACTL/14.0882,-24.288,31.1237,-0.000067,0.0000297,1 TARG/10.05,-23.88,-5.1,0,0,1 PNT2 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/94.68,-24.19,-5.1,0,0,1 ACTL/98.7175,-24.6959,31.1182,-0.000067,0.0000297,1 TARG/94.68,-24.19,-5.1,0,0,1 PNT3 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/94.66,-69.35,-5.1,0,0,1 ACTL/98.6474,-69.8597,31.1211,-0.000067,0.0000297,1 TARG/94.66,-69.35,-5.1,0,0,1 PNT4 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/10.14,-69.5,-5.1,0,0,1 ACTL/14.1271,-69.9094,31.1439,-0.000067,0.0000297,1 TARG/10.14,-69.5,-5.1,0,0,1 PLN1 =FEAT/PLANE,RECT,TRIANGLE THEO/52.3825,-46.73,-5.1,0,0,1 ACTL/56.3951,-47.1882,31.1268,0.0001676,0.000255,1 CONSTR/PLANE,BF,PNT1,PNT2,PNT3,PNT4,, OUTLIER_REMOVAL/OFF,3 FILTER/OFF,WAVELENGTH=0 COMMENT/REPT,=================[63]================= DIM FLAT1= FLATNESS OF PLANE PLN1 UNITS=MM ,$ GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=BOTH AX MEAS NOMINAL +TOL -TOL DEV OUTTOL M 0.0087 0.0000 0.0800 0.0000 0.0087 0.0000 #-------- DIM LOC1= LOCATION OF POINT PNT1 UNITS=MM ,$ GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=BOTH AX MEAS NOMINAL +TOL -TOL DEV OUTTOL Z -5.0792 -5.1000 0.0254 -0.0254 0.0208 0.0000 --------# END OF DIMENSION LOC1 DIM LOC2= LOCATION OF POINT PNT2 UNITS=MM ,$ GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=BOTH AX MEAS NOMINAL +TOL -TOL DEV OUTTOL Z -5.0904 -5.1000 0.0254 -0.0254 0.0096 0.0000 ------#-- END OF DIMENSION LOC2 DIM LOC3= LOCATION OF POINT PNT3 UNITS=MM ,$ GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=BOTH AX MEAS NOMINAL +TOL -TOL DEV OUTTOL Z -5.0888 -5.1000 0.0254 -0.0254 0.0112 0.0000 ------#-- END OF DIMENSION LOC3 DIM LOC4= LOCATION OF POINT PNT4 UNITS=MM ,$ GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=BOTH AX MEAS NOMINAL +TOL -TOL DEV OUTTOL Z -5.0604 -5.1000 0.0254 -0.0254 0.0396 0.0142 --------> END OF DIMENSION LOC4 DATUM A =ALIGNMENT/START,RECALL:22-19-151:22-19-151,LIST=YES ALIGNMENT/LEVEL,ZPLUS,PLN1 ALIGNMENT/TRANS,ZAXIS,PLN1 ALIGNMENT/END CIR1 =AUTO/CIRCLE,SHOWALLPARAMS = NO,SHOWHITS = YES THEO/13.05,-24.5,-2,0,0,1,3.3 ACTL/17.0485,-24.938,-2,0,0,1,3.2279 TARG/13.05,-24.5,-2,0,0,1 MEAS/CIRCLE HIT/BASIC,14.7,-24.5,-2,-1,-0.0000004,0,18.6617,-24.9241,-1.9791 HIT/BASIC,13.05,-22.85,-2,0.0000004,-1,0,17.083,-23.3238,-1.9967 HIT/BASIC,11.4,-24.5,-2,1,0.0000004,0,15.4354,-24.921,-1.9986 HIT/BASIC,13.05,-26.15,-2,-0.0000004,1,0,17.0793,-26.5522,-1.9993 ENDMEAS/ CIR2 =AUTO/CIRCLE,SHOWALLPARAMS = NO,SHOWHITS = NO THEO/13.05,-69.5,-2,0,0,1,3.3 ACTL/16.986,-69.9445,-2,0,0,1,3.2302 TARG/13.05,-69.5,-2,0,0,1 CIR3 =AUTO/CIRCLE,SHOWALLPARAMS = NO,SHOWHITS = YES THEO/91.7,-69.5,-2,0,0,1,3.3 ACTL/95.6452,-70.0709,-2,0,0,1,3.2325 TARG/91.7,-69.5,-2,0,0,1 MEAS/CIRCLE HIT/BASIC,93.35,-69.5,-2,-1,-0.0000004,0,97.2587,-70.0123,-1.9764 HIT/BASIC,91.7,-67.85,-2,0.0000004,-1,0,95.6827,-68.4541,-1.9976 HIT/BASIC,90.05,-69.5,-2,1,0.0000004,0,94.0317,-70.0098,-1.9991 HIT/BASIC,91.7,-71.15,-2,-0.0000004,1,0,95.6785,-71.6877,-1.9997 ENDMEAS/ CIR4 =AUTO/CIRCLE,SHOWALLPARAMS = NO,SHOWHITS = YES THEO/91.7,-24.5,-2,0,0,1,3.3 ACTL/95.6849,-25.0761,-2,0,0,1,3.2282 TARG/91.7,-24.5,-2,0,0,1 MEAS/CIRCLE HIT/BASIC,93.35,-24.5,-2,-1,-0.0000004,0,97.2961,-25.0121,-1.9761 HIT/BASIC,91.7,-22.85,-2,0.0000004,-1,0,95.733,-23.4619,-1.9959 HIT/BASIC,90.05,-24.5,-2,1,0.0000004,0,94.0738,-25.0088,-1.9992 HIT/BASIC,91.7,-26.15,-2,-0.0000004,1,0,95.729,-26.6903,-1.9996 ENDMEAS/ LIN1 =FEAT/LINE,RECT,UNBND THEO/13.05,-24.5,-2,1,0.0000004,0 ACTL/17.0485,-24.938,-2,0.9999985,-0.0017556,0 CONSTR/LINE,BF,2D,CIR1,CIR4,, OUTLIER_REMOVAL/OFF,3 FILTER/OFF,WAVELENGTH=0 LIN2 =FEAT/LINE,RECT,UNBND THEO/13.05,-69.5,-2,1,0.0000005,0 ACTL/16.986,-69.9445,-2,0.9999987,-0.0016064,0 CONSTR/LINE,BF,2D,CIR2,CIR3,, OUTLIER_REMOVAL/OFF,3 FILTER/OFF,WAVELENGTH=0 PNT5 =FEAT/POINT,RECT THEO/52.375,-24.5,-2,0,0,1 ACTL/56.3667,-25.007,-2,0.001212,-0.0005492,0.9999991 CONSTR/POINT,MID,CIR1,CIR4 TATUM AB =ALIGNMENT/START,RECALL:DATUM A,LIST=YES ALIGNMENT/ROTATE,XPLUS,TO,LIN1,ABOUT,ZPLUS ALIGNMENT/TRANS,YAXIS,LIN1 ALIGNMENT/TRANS,XAXIS,PNT5 ALIGNMENT/END RECALL/ALIGNMENT,INTERNAL,DATUM A DATUM AC =ALIGNMENT/START,RECALL:DATUM A,LIST=YES ALIGNMENT/ROTATE,XPLUS,TO,LIN2,ABOUT,ZPLUS ALIGNMENT/TRANS,XAXIS,CIR2 ALIGNMENT/TRANS,YAXIS,CIR2 ALIGNMENT/END RECALL/ALIGNMENT,INTERNAL,TATUM AB DATUM ABC =ALIGNMENT/START,RECALL:TATUM AB,LIST=YES ALIGNMENT/ROTATE,XPLUS,TO,LIN2,ABOUT,ZPLUS ALIGNMENT/TRANS,XAXIS,CIR2 ALIGNMENT/TRANS,YAXIS,CIR2 ALIGNMENT/END RECALL/ALIGNMENT,INTERNAL,TATUM AB A1 =ALIGNMENT/START,RECALL:TATUM AB,LIST=YES ALIGNMENT/LEVEL,ZPLUS,PLN1 ALIGNMENT/TRANS,ZAXIS,PLN1 ALIGNMENT/ROTATE,XPLUS,TO,LIN1,ABOUT,ZPLUS ALIGNMENT/TRANS,XAXIS,CIR1 ALIGNMENT/TRANS,YAXIS,CIR1 ALIGNMENT/TRANS,XAXIS,PNT5 ALIGNMENT/END WORKPLANE/XPLUS PLN2 =FEAT/PLANE,RECT,TRIANGLE THEO/0,0,0,1,0,0 ACTL/0,0,0,1,0,0 CONSTR/PLANE,ALIGN,WORKPLANE CIR5 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/46.73,-7.76,6.02,-0.9998477,0.0000004,0.0174524 ACTL/46.9702,-7.7609,6.015,-0.9998477,0.0000004,0.0174524 TARG/46.73,-7.76,6.02,-0.9998477,0.0000004,0.0174524 CIR6 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/-46.73,-7.76,6.02,0.9998477,0.0000004,0.0174524 ACTL/-46.9306,-7.7609,6.0135,0.9998477,0.0000004,0.0174524 TARG/-46.73,-7.76,6.02,0.9998477,0.0000004,0.0174524 CIR7 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/-46.73,-10.76,6.02,0.9998477,0.0000004,0.0174524 ACTL/-46.9215,-10.7605,6.0139,0.9998477,0.0000004,0.0174524 TARG/-46.73,-10.76,6.02,0.9998477,0.0000004,0.0174524 CIR8 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/46.73,-10.76,6.02,-0.9998477,0.0000004,0.0174524 ACTL/46.967,-10.76,6.0133,-0.9998477,0.0000004,0.0174524 TARG/46.73,-10.76,6.02,-0.9998477,0.0000004,0.0174524 CIR9 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/46.73,-13.76,6.02,-0.9998477,0.0000004,0.0174524 ACTL/46.9629,-13.7611,6.0129,-0.9998477,0.0000004,0.0174524 TARG/46.73,-13.76,6.02,-0.9998477,0.0000004,0.0174524 CIR10 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/-46.73,-13.76,6.02,0.9998477,0.0000004,0.0174524 ACTL/-46.9059,-13.7603,6.0187,0.9998477,0.0000004,0.0174524 TARG/-46.73,-13.76,6.02,0.9998477,0.0000004,0.0174524 CIR11 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/-46.73,-16.76,6.02,0.9998477,0.0000004,0.0174524 ACTL/-46.889,-16.7597,6.0193,0.9998477,0.0000004,0.0174524 TARG/-46.73,-16.76,6.02,0.9998477,0.0000004,0.0174524 CIR12 =AUTO/VECTOR POINT,SHOWALLPARAMS = NO THEO/46.73,-16.76,6.02,-0.9998477,0.0000004,0.0174524 ACTL/46.9591,-16.7604,6.0159,-0.9998477,0.0000004,0.0174524 TARG/46.73,-16.76,6.02,-0.9998477,0.0000004,0.0174524 SCN1 =FEAT/SET,RECT THEO/0,-12.26,6.02,1,0,0 ACTL/0.0265,-12.2605,6.0153,1,0,0 CONSTR/SET,BASIC,CIR5,CIR6,CIR7,CIR8,CIR9,CIR10,CIR11,CIR12,, COMMENT/REPT,=================[63]================= DIM SYM1= SYMMETRY OF SET SCN1 TO PLANE PLN2 UNITS=MM ,$ GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=BOTH AX MEAS NOMINAL +TOL -TOL DEV OUTTOL M 0.0701 0.0000 0.2000 0.0000 0.0701 0.0000 ---#----- 孙老师好，这是我对称度程序的一部分，目前来说对称度算是评价出来了，但是您说我对基准的理解不对，请指教，歇歇。