???????????? (Micrometer) - PowerPoint PPT Presentation

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???????????? (Micrometer)

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Title: 1 Author: kasuyakung Last modified by: MAXZZXAM Created Date: 1/10/2002 5:45:30 PM Document presentation format ... – PowerPoint PPT presentation

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Title: ???????????? (Micrometer)


1
????????????(Micrometer)
  • ?.????? ?????????

2
  • ????????????????????????????????????? 
    ??????????????????????????    ?????????????????
  • ??????????????????????????????  ??? 
    William  Gascoigne 
  • ??????????????  17      ?????????????????????
    ????????????

3
  • ????????????????????????????????????????????
    (pitch) 0.5 mm ??????????? ?????????????
    (thimble)?? 1 ??? ??????????????????? 0.5 mm
    ?????(sleeve) ??????????????? ???????????????????
    ??????????????????????? ??????
  • ???????????????????????? 1 ???????????????????
    ??? 0.5 mm ??????? 1 ???????? thimble
    ????? ???? 0.01 mm

4
???????????????????????
5
  • 7.5 mm 0.38 mm 0 7.88 mm

6
  • 7.5 mm 0.22 mm 0.002 7.722 mm

7
3.5 mm 0.06 mm 0.001 3.561 mm
8
?????????????
  • 1. ??????????????????????????????
    ??????????????????????????????????????????????????
    ????????? ?????????????????? ???????????????????
    ???????
  • 2. ?????????????????????????????? ???????????
    ??????????????????????????????????????????????????
    ????
  • 3. ????????????????????????????????????????????
    ?????????????????????????????? ???????????????????
    ??????????????????????????????????????????????????
    ?????
  • 4. ????????????? ????????????????????????????
    ????????????????????????? ? ?????????????????????
    ????????????? ???????????????????
  • 5. ?????????????????????? ????????????????????????
    ?

9
????????????
  • 1. ?????????????????????????????????????????
  • ??????????????????????????
  • ???????????????????????????
  • ??????????
  • ?????????????? 1 ????
  • ?????
  • ??????????????
  • ???????????????????
  • ??????????????
  • ???????????????? 1 ???
  • ???????????????? 5 ???

10
  • 2. ???????????????????????????????????????????????
    ???? ??????????? 5 ?????
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