GTU Mechanical Engineering (Semester 7)
Computer Integrated Manufacturing
June 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Differentiate between NC and CNC. List their advantages and limitations.
7 M
1 (b) What are the objectives of CIM? Which major functional areas of the manufacturing enterprise considered for achieving CIM objectives? What are the benefits of CIM?
7 M

2 (a) Explain various types of tape readers with sketch used in NC machines.
7 M
Answer any two question from Q2 (b) or Q2 (c)
2 (b) Explain in brief programmable logic controllers.
7 M
2 (c) Explain with neat sketch AS/RS system used in FMS.
7 M

Answer any two question from Q3 (a), (b) or Q3 (c), (d)
3 (a) What is a group technology? Explain optiz classification and coding system with example.
7 M
3 (b) Explain with neat diagram retrieval type CAPP.
7 M
3 (c) What is FMS? List different flexibilities associated with FMS and explain any two in brief.
7 M
3 (d) What is group technology? Differentiate between product layout and group technology layout.
7 M

Answer any two question from Q4 (a), (b) or Q4 (c), (d)
4 (a) Explain MRP and MRP II.
7 M
4 (b) Explain on-line and off-line programming methods of robots. State advantages and disadvantages of each.
7 M
4 (c) Explain in brief Economic Evaluation of investment in robotic Installation.
7 M
4 (d) Write a short note on Automated Guide Vehicles associated with FMS.
7 M

Answer any two question from Q5 (a), (b) or Q5 (c), (d)
5 (a) Explain JIT techniques used in auto industries.
7 M
5 (b) What are canned cycles? What is the difference between a canned cycle and subroutine? Discuss how a canned cycle can be useful in writing a part program.
7 M
5 (c) Explain in brief Programmable Logic Controllers (PLCS).
7 M
5 (d) Explain various sensors and actuators used in robots.
7 M



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