Chapter 3 - mailab.snu.ac.kr
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제 4 주차 강의
4주차
교과서 3장
1-3주차
산업공학, 산업 발전 역사, IE 인재의 모습
교과서 1-2장
제조 프로세스
1
교재
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
Chapter
3 Operation Analysis
4 Manual Work Design
5 Workplace, Equipment and Tool Design
6 Work Environment Design
7 Cognitive Work Design
8 Workplace and System Safety
9 Implementation
10 Time Study
11 Performance Rating and Allowances
12 Standard Data
13 Predetermined Time Systems
14 Work Sampling
15 Indirect and Expense Work
16 Standard Follow-up
17 Wage Payment
18 Training and Management Practice
2
Methods, Standards, and Work Design
12th Edition
Niebel/Freivalds
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
개선 체크 리스트
1.
2.
3.
4.
5.
6.
7.
8.
9.
Operation Purpose
Part Design
Tolerance and Specifications
Material
Manufacture Sequence and Process
Setup and Tools
Material Handling
Plant Layout
Work Design
4
1. Operation Purpose
3정 5S
황삭, 정삭
Spray Paint를 위한 jig 설계
대형 치차 가공 – 일교차, 온도차 고려
베어링 구입 후 조립 vs 셋트 구입
C&H Sugar Co. 의 사례
5
2. Part Design
부품의 수를 줄이라, DfX DfM, DfA, …
서류양식의 디자인
Drawing
Stress
Material: Fatigue Failure, Creeping
6
3. Tolerance and Specifications
1.설계 차이:
Drilling vs. EDM
2. Reaming
3. Shrink fit
4. Inspection:
Spot, Lot by Lot
Sampling, 100%
5. Cost
considerations
8
4. Material
9
Material
Value Engingeering(2차세계대전 중)
기능/가격 = 가치
Finding better material
Cost
Function: (SS clad on Al.)
Easier to process
Nano-material (Graphene)
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5. Manufacture Sequence and Process
Chip hauler,
floor sweeper,
Grind-DrillDeburr, Screw
machine,
절삭유
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6. Setup and Tools
Group Technology: 설계 및 제조
Part Classification and Coding
GT Layout
Lehigh 대학 Mikell Groover 교수 자료
12
설계: Opitz code
제조: GT 분류
7. Material Handling
15
•The best handled part is the least handled part
•10 Principles of Material Handling: Unit Load, Terminal
Time, Mechanization, Automation, …
•병원: Williamson Turn Stand, Hoyer-type Lift,…
•104쪽의 Fork Lift Truck 분석 : 무시하라(무의미) 단,
회전거리, 반경 등은 중요한 요소이다
8. Plant Layout
Process(Functional) Layout versus
Production(straight-line) Layout
R. Muther교수의 SLP(Systematic Layout
Planning)
Lehigh 대학 Mikell Groover 교수 자료
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From –To (Travel ) Chart
Relationship Chart
A: Absolutely necessary
E: Especially important
I: Important
O: Ordinary
U: Unimportant
X: Not desirable
사무실 Layout 사례
대안 ( Alternatives) 간의 비교
Computer Aided Layout
•CRAFT
•CORELAP
•ALDEP
•SPIRAL
•FactoryPLAN, FactoryFLOW
9. Work Design
27
Check list