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    ú????????

    ???????13-07-10      ???????

    ú???????? 

    1. ????
    ????????ü??????
    ????????????????????????????????????????GB6566-2001??????????????????????????漲???????????????????????????????-226????-232????-40????????????????IRa≤1.0??Ir≤1.0????????????÷?Χ???????????????????25???????????????????????????????-226????-232????-40????????????????IRa≤1.0??Ir≤1.3????????????÷?Χ?????????
     
    2??????
    ?????????????(????????С??25%???)??????(????????????25%???????С??????????????????????λ???????????)???????(????????????40%??????????????????????????????λ???????????)
     
    3?? ???
    ?????????????????????壬??????????????????塣
     
    4????б??
    GB5101-2003???????????
    GB13544-2000??????????
    GB13545-2003?????????????????頃
    GB 6566-2001 ????????????????????????
     
    5?????????????
    5.1 ?????????????????5.1-1??漲??
    ??5.1-1

    ?????
    ????????????MPa??
    ???????δ≤0.21
    ???????δ??0.21
    ??????fK??MPa??
    ??????С???????fmin??MPa??
    MU30
    30.0
    22.0
    25.0
    MU25
    25.0
    18.0
    22.0
    MU20
    20.0
    14.0
    16.0
    MU15
    15.0
    10.0
    12.0
    MU10
    10.0
    6.5
    7.5

     
    5.2 ??????????????5.2-1??漲??
    ??5.2-1

    ?????
    ??????????(MPa) ≥
    ???????δ≤0.21
    ???????δ??0.21
    ??????(MPa) ≥
    ??????С???????(MPa) ≥
    MU10.0
    10.0
    7.0
    8.0
    MU7.5
    7.5
    5.0
    5.8
    MU5.0
    5.0
    3.5
    4.0
    MU3.5
    3.5
    2.5
    2.8
    MU2.5
    2.5
    1.6
    1.8

     
    5.3 ?????????????緋??????????5.3-1??漲??
    ??5.3-1???緋????

    ?????
    ????緋??
    ??????緋??
    5h??????????%??
    ???????
    5h??????????%??
    ???????
    ????
    ????????
    ????
    ????????
    ????
    ????????
    ????
    ????????
    ú????????ú??????
    16
    18
    0.74
    0.77
    18
    20
    0.78
    0.80

    ???1)?緋?????緋??????л?????緋??????????12700?????緋?????緋???С??12700???????緋???????????п????????????????緋??????????????緋????
    2)????緋???е?????????????????????????????????????????ж??????飬?????????????緋????????5.3-1??漲???????????????顣
    3)?????????????????????????????????????????????????????????????????2%??
     
    5.4 ??????????????????????????????????????5.4-1??漲??
    ??5.4-1?????

    ???
    ú????????????≤(%)
    ????
    16.0
    ????
    18.0
    ????
    20.0

     
    5.5 ????????緋???????5.5-1??
    ??5.5-1???緋????

    ????
    ???????
    ????緋??
    ??????緋??
    ????
    ????????
    ????
    ????????
    ú???????
    0.74
    0.77
    0.78
    0.80

    ???1)????緋???е???????????????????????????????????????????????ж??????飬???????????????????緋????????5.5-1??漲???????????????顣
    6. ???????????

    ???
    ???ò?λ
    ???
    ????
    ??Χ???
    ???????
    ??????????????????
    ????????
    ???
    ???
    ??
    ???
    ??
    ??
    1
    ?????????????
    ***
    ***
    ***
    ***
    ????0.11??0.50?/??(240×115×53mm)
     
    2
    ????????ú???
    **
    ***
    ***
    ***
    ???? (240×115×53mm) 0.11??0.20?/??
     
    3
    ?????????ú???
    ×
    *
    *
    *
    ***
    4
    ??????????
    *
    *
    ***
    ***
    0.20??0.40?/??
     
    5
    ???????????
    ×
    *
    *
    ***
    ***
    6
    ??????
    ??
    ***
    ***
    ***
    ***
    0.28??0.45?/?饗KP1??240×115×90mm??
     
    7
    ???????
    ×
    ×
    ***
    ***
    ***
    ***
    0.2??0.5?/?饗240×190×90mm??
     
    8
    ??????????
    ??
    ***
    ***
    ***
    ***
    0.30??1.00?/??
     

     

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