제 5 주차 강의
 5주차
 교과서 2장 Line Balancing
 교과서 3장
 교과서 4장
 1-4주차까지는
 산업공학, 산업 발전 역사, IE 인재의 모습
 과학적 관리 요약
 교과서 1-2장
1
교재
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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
Motion Study
 작업방법(3M+IE,환경-Layout, …) 설계
 크게는
 Operation Analysis(넓게)
 Motion Study(중간, 육안)
 Micro/Memo Motion Study(세밀하게, 카메라
사용) 로 구분
 Chart 와 Diagram
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Flow Process Chart, Flow Diagram
Fish Bone Diagram, Pareto Chart,
Operation/Operator(L/R) Process Chart,
Gang Process Chart, Network Diagram(PERT,
CPM Chart), 등
3
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
Manufacturing Sequence and Process
Setup and Tools
Material Handling
Plant Layout
Work Design
5
1. Operation Purpose
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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
6
2. Part Design
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부품의 수를 줄이라, DfX DfM, DfA, …
서류양식의 디자인
Drawing
Stress
Material: Fatigue Failure, Creeping
7
제품설계 그리고 정확한 정보가 중요하다
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
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4. Material
10
Material
 Value Engingeering(2차세계대전 중)
 기능/가격 = 가치
 Finding better material
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Cost
Function: (SS clad on Al.)
Easier to process
Nano-material (Graphene)
11
5. Manufacturing Sequence and Process
 Chip hauler,
floor sweeper,
Grind-DrillDeburr, Screw
machine,
절삭유
12
6. Setup and Tools
 Group Technology: 설계 및 제조
 Part Classification and Coding
 GT Layout
Lehigh 대학 Mikell Groover 교수 자료
13
설계: Opitz code
제조: GT 분류
7. Material Handling
16
Material Handling:
•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 : 회전거리, 반경 등
8. Plant Layout
 Process(Functional) Layout versus
Production(straight-line) Layout
 R. Muther교수의 SLP(Systematic Layout
Planning)
Lehigh 대학 Mikell Groover 교수 자료
19
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
26
Check list