Advanced Manufacturing Advanced Manufacturing Systems DesignSystems Design

© 1999 © 1999 John W. NazemetzJohn W. Nazemetz

Lecture 9 Topic :Lecture 9 Topic : Manufacturing Manufacturing Planning and ControlPlanning and Control

Discussion Session:Discussion Session: Midterm Exam Midterm Exam

October 19, 1999October 19, 1999

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 2

ADVANCED ADVANCED MANUFACTURING MANUFACTURING SYSTEMS DESIGNSYSTEMS DESIGN

Week 9 Discussion Week 9 Discussion

Midterm ExamMidterm Exam

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 3

Question 1Question 1

1 (25 pts.) Comprehensively define 1 (25 pts.) Comprehensively define and briefly discuss the broad and briefly discuss the broad definition of product life cycle and definition of product life cycle and the CIM environment discussed in the CIM environment discussed in this class. Be sure to discuss the this class. Be sure to discuss the intersection of the life cycles of intersection of the life cycles of product and production facilities.product and production facilities.

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 4

Question 1 -- ResponseQuestion 1 -- Response

• Expectation Expectation – Discussion of Product Life Cycle Model

of Design, Produce, Operate, Support, Dispose• Discuss/Define Each Phase of the cycle and

the associated CIM activities in each phase.• Thought many/most students would use the

Chris Vaughn model as the basis upon which the answer was developed, especially to illustrate the intersection of product and production facility life cycles– Most did not.

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 5

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 6

Question 2Question 2

2. (25 pts.) Define and explain 2. (25 pts.) Define and explain Quality Function Deployment. Be Quality Function Deployment. Be sure to explain its role in CIM, sure to explain its role in CIM, Concurrent Engineering, etc. Concurrent Engineering, etc.

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 7

Question 2 – Response Question 2 – Response (1)(1)

• Definition of QFD Definition of QFD – What it is

• A method for assuring quality in product.

– What it Does• Translates/Associates Customer and Producer

Definitions/Measurements of Quality.

• RoleRole• Input to Concurrent Engineering• Means to Assure all Viewpoints included• Comparison/Benchmarking

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 8

Question 2 – ResponseQuestion 2 – Response (2)(2)

• RoleRole– Input to Concurrent Engineering– Means to Assure all Viewpoints

included– Comparison/Benchmarking– Means to Assess Relative Ranking for

Product Features– Input to Process Design

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 9

Question 3Question 3

3. (25 pts.) Consider the various 3. (25 pts.) Consider the various models proposed in the text and in models proposed in the text and in lecture for developing part families lecture for developing part families and manufacturing cell groupings. and manufacturing cell groupings. List, briefly define, and evaluate List, briefly define, and evaluate four models/methods for cell and/or four models/methods for cell and/or family formation (Discuss the family formation (Discuss the strengths and shortcomings of strengths and shortcomings of each) . each) .

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 10

Question 3 – ResponseQuestion 3 – Response (1)(1)

• Methods (Choose/Select any 4)Methods (Choose/Select any 4)– Machine-Component Grouping

(Production Flow Analysis– Rank Order Clustering Analysis– Similarity Coefficients

• Single Linkage Cluster Analysis• Weighted Similarity Indices (Siefoddini and

Wolfe)

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 11

Question 3 – Response Question 3 – Response (2)(2)

• Methods (Choose/Select any 4)Methods (Choose/Select any 4)– Mathematical Programming Methods

• Cell Design w/Known Part Families • Cell Design w/Unknown Part Families• Vakaria and Wemmerlov – Minimization of

Backtracking

– Data Based Methods• GTSS like Grouping

– Common Features/Traits in Database

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 12

Question 4Question 4

4. (25 pts.) Consider Robots and 4. (25 pts.) Consider Robots and Numerical Control Machines. Numerical Control Machines. Explain the similarities and Explain the similarities and differences between the two. differences between the two. Briefly explain the role/use of each Briefly explain the role/use of each in modern Computer Integrated in modern Computer Integrated Manufacturing Systems. Manufacturing Systems.

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 13

Question 4 – Response Question 4 – Response (1)(1)

• SimilaritiesSimilarities– Same Basic Control

Methodology– Same Concepts– Same Names (open

loop, closed …)– Move part or Tool

through Space (same function)

– Similar Hardware Components

• DifferencesDifferences– NC -> Technical

Solution– Robotics ->

Economic Solution– Error Accumulation/

Precision– Programming

Languages

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 14

Question 4 – ResponseQuestion 4 – Response (2)(2)

• Role/Use in CIMRole/Use in CIM– NC

• Part production/Interface w/CAD Model• Reduce Set-up Costs/Economic Lot Sizes• Automate in Cells, FMS

– Robotics• Labor Replacement ($, Hazards,Precision)• Automated Cells, FMS (MH Component)

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 15

Question 5Question 5

5. (25 pts.) Consider the term 5. (25 pts.) Consider the term "CAD/CAM Systems". List the "CAD/CAM Systems". List the topics/techniques studied in the topics/techniques studied in the course and classify each as a CAD or course and classify each as a CAD or a CAM system. Explain the a CAM system. Explain the logic/reasoning behind the logic/reasoning behind the classifications you have listed and classifications you have listed and compare your list to "conventional" compare your list to "conventional" categorization of the categorization of the topics/techniques. topics/techniques.

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 16

Question 5 – Response Question 5 – Response (1)(1)

• CADCAD– CA Drafting (Design Support, 3-D)– CAPP– Engineering Analysis– QFD (Defining Requirements/Benchmarking)– Concurrent Engineering– Group Technology (Shape)

• CAMCAM– Production Facility Operation

• Family/Cell Formation Techniques• PLCs

– NC, Robotics, Processing Equipment

Computer Integrated Manufacturing Systems © 1999 John W. NazemetzSlide 17

Question 5 – Response Question 5 – Response (2)(2)

CAMCAM– Production Facility Operation

• Family/Cell Formation Techniques• PLCs

– NC, Robotics– Processing Equipment/Methods– Group Technology (Processing)– Cellular and Flexible Manufacturing

Systems

Advanced Manufacturing Advanced Manufacturing Systems DesignSystems Design

© 1999 © 1999 John W. NazemetzJohn W. Nazemetz

Week 9 Discussion Topic:Week 9 Discussion Topic: Mid term ExamMid term Exam

October 19, 1999October 19, 1999

END OF SEGMENTEND OF SEGMENT