Jig%20and%20Fixture%20Technology

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Jig and Fixture Technology
???? ??????????????????????????????????
56103033 ????????
?.?????????? ??????? B.Eng (Industrial
Engineering) SWU. M.Eng
(Metal Forming Technology) KMUTT.
???????????????????? ?????????????????????????
?
2
???? ?????????????????????????????? ????????
5610303 ????? 3 ???????? ????? 2
???????/??????? ??????? 2 ???????/???????

5610303 ?????????????????????????????? Jig
and Fixture Technology 3 ( 2-2-5
) ???????????????????????? ????????????????????
??????????????????????? ?????????????????????
??????????????????????????????????????????????????
???????????????????? ????????????????????????????
????????????????????? ????????????????????
3
????????????????
?????????????? 10 ????????????????????? (????
?????????) 10 ??????????????????? Jig and
Fixture 10 ????????????????????
20 ??????????????????,?????????
20 ???????????????????? 30 ?????
100 ?????
4
????? ??????????? 80-100 ???
A ??????????? 75-79 ??? B ???????????
70-74 ??? B ??????????? 65-69
??? C ??????????? 60-64 ???
C ??????????? 55-59 ??? D ???????????
50-54 ??? D ??????????? 49-0
??? F
5
????????????????????

• Jigs and Fixtures Design, Second Edition,
  EDWARD G. HOFFMAN ??????????????????????????????
  ? ?????? ???????? ???????????????????????????
  ????.????? ?????

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???????????
chapter 1__Introductin_to_Jig__Fixture_Design cha
pter 2__Purpose of Tool design chapter 3__Types
and Functions of Jigs chapter 4__Types and
Functions of Fixtures chapter 5__Work
holding chapter 6__Clamping and Work
holding chapter 7__Supporting and Locating
Principles chapter 8__Construction chapter
9__Initial Design chapter 10__Tool Drawing
chapter 11__Design of Drill Jigs chapter
12__Design of Milling Fixture chapter 13__Modulae
Fixture chapter 14__Design Economics chapter
15__Material of Jig Fixture
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Jig and Fixture Technology
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1. Jig and Fixture ???????2. ??????????????????
3. ??????? Jig and Fixture4. ????????????????????
??????????5. ??????????????
Overview
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Jig and Fixture ???????

• ??? ???????????????? ??? ?????????????????????????
  ?
• ??????????????????????????????
• ??????????????????????????????????
• - ???????????????????????????????????????????

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Jig ?Fixture ?
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1.????????????????????????????????????(Over
Production)
??????????????????
?????????????????????????? 7 ?????? (7 Wastes)
2. ???????????????????????????????????????????????
??? ( Unnecessary Stock )
3. ???????????????????????????? ( Transportation
)
4.???????????????????????????? ( Delay/Idle time
)
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6. ???????????????????????????????????????????????
?? (Non-effective Process)
?????????????????????????? 7 ?????? (7 Wastes)
5. ?????????????????????????????????? /
???????????? (Defects / Rework)
Jig and Fixture
7.????????????????????????????????? ( Motion )
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Clamps
Jig and Fixture ???????
Chucks
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Vises
Jig and Fixture ???????
Bushings
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Application
Jig and Fixture ???????
Modular Fixturing
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1.????????????????????????????????????(Over
Production)

• 1. ?????????????????????????????????? WIP
• 2. ???????????????????????? ??????? WIP
  ????????????????????????????????
• 3. ????????????????????????????????????????? ????
  ?????????????????????????
• ???????????
• 4. ???????????????????????????????????????????????
  ?? ??????????????? WIP
• 5. ??????????? ?????? ????????????????????????????
  ????
• 6. ???????????????????????????????
• 7. ???????????????????

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2. ???????????????????????????????????????????????
??? ( Unnecessary Stock )

• 1.???????????????????????????????????????
• 2.?????????????
• 3.???????????????????????? ???????????????????????
  ???????????
• ( First-in-First out , First-come-First-serve )
• 4.????????????????????????????
• 5.????????????????????????????????
• 6.??????????????????????????????????
  ?????????????????????????????

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3. ???????????????????????????? ( Transportation
)

• 1. ??????????????????
• 2. ????????????????????????
• 3. ??????????????????????????????????????????????
  ???
• 4. ?????????? ???????????????????????????????????
  ????????????
• ??????????????????????????????????
• 5. ??????????????????????????????????????????????
  ??????

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4. ?????????????????????????????????? /
???????????? (Defects / Rework)

• 1. ???????????????????????????
• 2. ????????
• 3. ?????????????????????????
• 4. ????????????????????????????
• 5.???????????????????????????
• 6.????????????????????????????????????????????

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5. ??????????????????????????????????????????????
??? (Non-effective Process)

• 1. ??????????????????
• 2. ?????????????????????????????????????????
• 3. ????????????????????????? (Work In process)
  ???
• 4. ????????????????????????

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6.???????????????????????????? ( Delay/Idle time
)

• 1. ???????????????????????????????????????????????
  ?
• 2. ??????????????????????
• 3. ?????????????????

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7.?????????????????????????????????
(Motion )

• 1. ??????????????????????????
• 2. ????????????????????????
• 3. ??????????
• 4. ????????????????????????????????????????????

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????????????? Chapter 26 Jigs and
Fixtures www.accd.edu/sac/engtech/CADD/Rstrube/TEC
HNCAL_DRAFTING/Student20Tutorial20Power20Points
/CH26.PPT 7wastes http//doi.eng.cmu.ac.th/kobk
it/index_files/Assignment/720wastes/7wastes.ppt