形狀公差和位置公差的詳細

1、 eeee ；e . e分類 特征項目符 號有或無基準(zhǔn)要求分類特征項目符 號有或無基準(zhǔn)要求形狀公差形狀輪廓直線度無位置度定向平行度有平面度無垂直度有圓度無傾斜度有定位同軸度 有圓柱度無形狀或位置公差對稱度有線輪廓度有或無位置度 有或無跳動圓跳動 有面輪廓度有或無全跳動有（1）Geometrical tolerances 形位公差分類及特征項目和符號形位公差分類及特征項目和符號 GB/T 11821996）H Continuous thin lines細實線細實線2HReference and related symbols基準(zhǔn)符號和形位基準(zhǔn)符號和形位公差的公差的附加符號附加符號 Related

2、 symbols of the geometrical tolerance value 公差值及有關(guān)符號公差值及有關(guān)符號Characteristic symbols特征符號特征符號（2）Code of geometrical tolerance 510 2b 2H2H（3）Reference code Thick lines 粗線粗線A A0 0. .0 02 2A A0.050.05A A0 0. .0 01 1 1. If the element being tested with a tolerance requirement is a contour line or surface,

3、point the arrow and datum symbol to the contour line or surface, and keep it away from the dimension line A AA AG GG G A A0 0. .0 02 2 A A A A 2. If the element being tested with tolerance requirements is an axis, centre line or symmetrical plane, the arrow and datum symbol should be aligned to the

4、dimension line of that element A A3. If the element being tested is a surface on the drawing, one can draw a reference line with a dot end and point the arrow or datum symbol to the reference line. 0.2 A AReference line參考線參考線參考線參考線 2. 3. 4. 本 小 節(jié) 結(jié) 束B B A AP P0.040.04A A0.050.051 1) ) 30k6 30k6 cyli

5、ndrical tolerance is not larger than(圓柱度不大于圓柱度不大于) )0.010.01；2 2) ) 20H7 20H7 straightness tolerance tolerance is not larger than( (直線度不大于直線度不大于) )0.040.04；3 3) ) The coaxia tolerance 30k6 30k6 to 20H7 is not larger than( (同軸度不大于同軸度不大于)0.05)0.05；4 4) )P P plane to 30k630k6 perpendicularity is not larger than ( (P P面對面對30k630k6垂直度不大垂直度不大) )0.020.02；5 5) )P P plane flatness tolerance is not larger than (P P平面的平面度不大于