GTU Computer Integrated Manufacturing - May 2016 Exam Question Paper

GTU Mechanical Engineering (Semester 7)
Computer Integrated Manufacturing
May 2016

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) What do you mean by CIM? What are the benefits of CIM? Draw a CIM wheel.

7 M

1 (b) How are the axes designated in CNC machine tools? Designate axes for three axes Vertical milling machine with neat sketch. State the rules followed by you in sequence.

7 M

2 (a) Which are the formats used for manual part programming? Explain word address format. Write word address format for milling and drilling operations.

7 M

Solve any one question from Q2(b) & Q2(c)

2 (b) What do you mean by ATC? State necessary requirements for ATC. Explain any two ATC with neat sketch.

7 M

2 (c) Explain the types of manufacturing systems. Justify: 'CNC machines are more suitable for job-shop and batch production'.

7 M

Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)

3 (a) Compare CNC machines with conventional machines in regard to hardware used in them.

7 M

3 (b) State various automated programmed tools language. List various statements used in APT. Explain geometric statements of APT.

7 M

3 (c) What is CAPP? Differentiate variant and generative CAPP.

7 M

3 (d) What do you mean by canned cycle? Write general syntax of G81 canned cycle used in CNC milling.

7 M

Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)

4 (a) Explain the types of code structures used in GT classification citing illustrations.

7 M

4 (b) What is robot sensing? What are the different sensors used in robotics. Discuss any two in brief.

7 M

4 (c) Sketch SCARA robot and explain its degree of freedom and motion.

7 M

4 (d) Explain Manufacturing Resource planning (MRP-II).

7 M

Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)

5 (a) What are the objectives of MRP system? State the various input to MRP system. Draw an MRP structure.

7 M

5 (b) Define FMS. Which are the components of FMS? Draw FMS layouts.

7 M

5 (c) Explain robotic work cell control and interlocks.

7 M

5 (d) Draw a neat sketch of recirculating ball screws. What are the various methods of Preloading? State the advantages of ball screws over conventional lead screws.

7 M

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