???????????????У??ò?????? 1. ??Χ ???????????????????????????????????У 2. ???? 2.1 ???? ?????????????????????????????????????λ?????????????? 2.2????????? ??????????????????????????????? 3. ???? 3.1???????????????????????仯??????????????????λ???任???????????????????????? 3.2 ?????У??????????????????????????????????????????????????????????á? 3.3??????????????????? ??λ?? mm ????????? 1000?? 2000?? 5000?? 10000?? ????Χ 0.210 0.110 0.044 0.022 ???? 0.005 0.002 0.001 0.0005 ???????????? 0.004 0.002 0.001 0.0005 3.4????????????????????? a.?????繫??≥0.006≤0.012?????10000?????? b.?????繫??0.012≤0.025?????5000?????? c.?????繫??0.025≤0.075?????2000?????? b.?????繫??0.075≤0.154?????1000?????? ??λ?? mm 4.?????????? 4.1??????????????????????????鹩????·???У????????????????????????????0.3 MPa??0.7 Mpa, ???????????????????????????????????????????????? 4.2?????????????????????У???????????????????????4 mm?????С??1.5 mm???????????1.5 mm?? 4.3??????????????????????????????????????????????? 4.4??????и??????????????????????嵯????????????????? 4.5???????У??????У???????????б???????λ?????????????????????????У??棨????????Φ22?????????????????????????λ??У????????м?????????????????λ??????????“0”λ?????????У??棬????????У??棨????????Φ22.015??????????????????б????????????????????????У?????????????????λ??????????????λ??“0”??“15”????? 4.6 ??????????????????????????????????????????????????????????С? 4.7 ????????????????????л??ж??????????1????????????У???У???У?????????????????????У????????“-”??????????????????????? 4.8 ?????У????????????????У???????????????????????????????У?????????????????????????? 4.9?????У??????????????????????????????????????????????????????????? |