?????2.5??????????????????????????????????0.4????????????????????????1.0MPa???????????1.6MPa??????????????????????????ж?????????????1/4??3/4?????
??????1.6??????????0.4??????????????????????????????????????????????????????JJG52-1999??????????????????????????????Щ????????ο???????????????“??????????仯?????£???????????????1/3??3/4??Χ?????”????????????????????????????????????????????????????????????????????迼????????????????????????????????????????????????????????????????????????ò??????????????????????????????????????鱻????????????????????????????????????????????????????0.25????????
??????1.6???????????????????????????????????????????????0.25?????????????????????????????ò???????1.0×10nMPa???????????0.6×10nMPa?????????(90??100)%??????????????????JJG52-1999????????磬????1.0MPa??0.25???????????????:
1.0MPa×(±0.25%)=±0.0025MPa
????0.6MPa??1.6????????????(90??100)%?????????????JJG52-1999??1?й涨??????????????????????1.6???????????±2.5%?????????????????????:
0.6MPa×(±0.25%)=±0.015MPa
????????1/4?0.00375MPa??0.0025MPa<0.00375MPa?????????????????????±1.6%????????
0.6MPa×(±1.6%)=±0.0096MPa
????????1/4?0.0024MPa??0.0025MPa>0.0024MPa??????????????“???????????????????????????????????????????1/4”?????
????????????????????????0.25????????????????????????????1.0×10nMPa??б???????????0.6×10nMPa???1.6?????????????????????????????????????????1/4??3/4????????????????????????????????????????????JJG49-1999?????????????????????5.2.1.1?“??0.16(0.06)????????????????????????Χ???(?)?????????”???????????ò???????1.0×10nMPa???????????0.6×10nMPa???????????????????????????????????????????????(?)??????????0.16(0.06)????????????????????????????????1/4????????JJG49-1999?ü??????????????????????????????????????С???????????????????JJF1094-2002?????????????????????淶5.3.1.4????????????????????????????“????????????????U95???????????????????????????????MPEV?????С??????1??3????U95≤(1/3)×MPEV???????????????????????Δ???????????????????????????????|Δ|≤MPEV????”
??????????????????????????????????????????????JJG52-1999?涨??1/4???????????????????????????JJF1094-2002?涨??1/3??????????????????ο?????3/4??????
??????1.6??????????0.4??????????????????????????????????????????????????????JJG52-1999??????????????????????????????Щ????????ο???????????????“??????????仯?????£???????????????1/3??3/4??Χ?????”????????????????????????????????????????????????????????????????????迼????????????????????????????????????????????????????????????????????????ò??????????????????????????????????????鱻????????????????????????????????????????????????????0.25????????
??????1.6???????????????????????????????????????????????0.25?????????????????????????????ò???????1.0×10nMPa???????????0.6×10nMPa?????????(90??100)%??????????????????JJG52-1999????????磬????1.0MPa??0.25???????????????:
1.0MPa×(±0.25%)=±0.0025MPa
????0.6MPa??1.6????????????(90??100)%?????????????JJG52-1999??1?й涨??????????????????????1.6???????????±2.5%?????????????????????:
0.6MPa×(±0.25%)=±0.015MPa
????????1/4?0.00375MPa??0.0025MPa<0.00375MPa?????????????????????±1.6%????????
0.6MPa×(±1.6%)=±0.0096MPa
????????1/4?0.0024MPa??0.0025MPa>0.0024MPa??????????????“???????????????????????????????????????????1/4”?????
????????????????????????0.25????????????????????????????1.0×10nMPa??б???????????0.6×10nMPa???1.6?????????????????????????????????????????1/4??3/4????????????????????????????????????????????JJG49-1999?????????????????????5.2.1.1?“??0.16(0.06)????????????????????????Χ???(?)?????????”???????????ò???????1.0×10nMPa???????????0.6×10nMPa???????????????????????????????????????????????(?)??????????0.16(0.06)????????????????????????????????1/4????????JJG49-1999?ü??????????????????????????????????????С???????????????????JJF1094-2002?????????????????????淶5.3.1.4????????????????????????????“????????????????U95???????????????????????????????MPEV?????С??????1??3????U95≤(1/3)×MPEV???????????????????????Δ???????????????????????????????|Δ|≤MPEV????”
??????????????????????????????????????????????JJG52-1999?涨??1/4???????????????????????????JJF1094-2002?涨??1/3??????????????????ο?????3/4??????