《互换性与技术测量》之习题.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Exercise1.Correct the mistake,(a),无基准,应与尺寸线对齐,应与尺寸线错开至少,4mm,应与尺寸线错开至少,4mm,应与尺寸线对齐,1,2,3,4,5,(a),1),应引线与轴线垂直，,2),无,1),引线与尺寸线错开，,2),垂直轮廓,1),引线与尺寸线错开，,2),无基准,基准与尺寸线对齐,2,1,3,4,5,Exercise 2 Please describe the tolerance frame and tolerance zone.,1,2,3,4,5,6,1,2,3,4,5,6,公差框格,零件左端锥面相对于公共基准轴线,A-B,的斜向圆跳动公差值为,0.025.,公差带,以公共基准轴线,A-B,为轴线的母线长为,0.025,的一段圆锥面。,1,2,3,4,5,6,公差框格,连杆轴颈的圆柱度公差值为,0.01.,公差带,半径差为,0.01,的两同轴圆柱面内的区域。,1,2,3,4,5,6,公差框格,两处主轴颈的圆柱度公差值为,0.006.,公差带,半径差为,0.006,的两同轴圆柱面内的区域。,1,2,3,4,5,6,公差框格,零件左端键槽的中心平面相对于过基准轴线,F,的辅助平面的对称度公差值为,0.025.,公差带,距离为,0.025,且与过基准轴线,F,的辅助平面对称配置的两平行平面间的区域。,(2)Please describe the tolerance frame and tolerance zone.,210h7,70H7,4-,20H8,0.01,0.04,A,A,0.02,A,0.03,B,B,0.15,A,B,37,principle of tolerance is,，,MMS is,mm,，,LMS is,mm,，,MMVS is,mm,。,position for given is,mm,，,position value is,mm when da=60mm,，,position value is,mm when 60.19mm.,最大实体要求,MMC,60 60.19 59.95 0.05 0.05 0.24,0.008,A,Principle of tolerance,Boundary and,boundary size,Tolerance,(given),Maximum tolerance,(permit),a,b,例题：,a,b,M,0.1,A,0.008,A,Principle of tolerance,Boundary and,boundary size,Tolerance,(given),Maximum tolerance,(permit),a,IP,-,0.008,0.008,b,MMC,MMVB,39.9,0.1,0.2,例题：,a,b,M,0.1,A,code,Principle of tolerance,MMC,LMC,boundary,MMS,Geometrical tolerance,LMS,Geometrical tolerance,Name,Size,a,b,c,（,a,）（,b,）（,c,）,Exercise 3,please finish the table.,（,a,）（,b,）（,c,）,Exercise 3,please finish the table.,code,Principle of tolerance,MMC,LMC,boundary,MMS,Geometrical tolerance,LMS,Geometrical tolerance,Name,Size,a,MMC,20.13,0.05,20,0.18,MMVB,20.18,b,LMC,20.13,0.18,20,0.05,LMVB,19.95,c,IP,20.13,0.05,20,0.05,NO,code,Principle of tolerance,MMC,LMC,boundary,MMS,Geometrical tolerance,LMS,Geometrical tolerance,Name,Size,d,e,f,（,d,）（,e,）（,f,）,（,d,）（,e,）（,f,）,code,Principle of tolerance,MMC,LMC,boundary,MMS,Geometrical tolerance,LMS,Geometrical tolerance,Name,Size,d,MMC,20,0.05,20.13,0.18,MMVB,19.95,e,LMC,20,0.18,20.13,0.05,LMVB,20.18,f,IP,20,0.05,20.13,0.05,NO,作业,(1),试将下列各项形位公差要求标注在如图,4.59,所示的图形上。,100h8,圆柱面对,40H7,孔轴线的径向圆跳动公差为,0.018mm,。,40H7,孔圆柱度公差为,0.007mm,。,左、右两凸台端面对,40H7,孔轴线的圆跳动公差均为,0.012mm,。,轮毂键槽对称中心面对,40H7,孔轴线的对称度公差为,0.02mm,。,试将下列技术要求标注在右图中,（,1,）左端面的平面度为,0.01mm,，右端面对左端面的平行度为,0.04mm,。,（,2,）,70H7,的孔的轴线对左端面的垂直度公差为,0.02mm,。,（,3,）,210h7,对,70H7,的同轴度为,0.03mm,。,（,4,）,4-,20H8,孔对左端面（第一基准）和,70H7,的轴线的位置度公差为,0.15mm,。,210h7,70H7,4-,20H8,0.01,0.04,A,A,0.02,A,0.03,B,B,0.15,A,B,练习,3,标注,底面,F,的平面度公差为,0.02mm,；,30K7,孔和,50M7,孔的内端面对它们的公共轴线的圆跳动公差为,0.04 mm,。,30K7,孔和,50M7,孔对它们的公共轴线的同轴度公差为,0.03mm,。,6-11H10,对,50M7,孔的轴线和,F,面的位置度公差为,0.05mm,，基准要素的尺寸和被测要素的位置度公差应用最大实体要求。,E,E,0,.,02,0,.,04,A,B,A-B,0,.,03,A-B,0,.,05,B,M,M,C,C,