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2003 Course CAD/CAM/CIM

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Total No. of Questions : 12] [Total No. of Pages :3 [3864] - 181 B.E. (Production) CAD/CAM/CIM (2003 Course) P1051 Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) 2) 3) 4) 5) Attempt one question from each unit from each section - 1& section - II Answers to the two sections should be written in separate books. Figures to the right indicate full marks. Neat diagrams must be drawn wherever necessary. Assume suitable data, if necessary. SECTION - I Unit - I Q1) a) Perform the following transformation if the co-ordinates of the vertices of the square are A(2,2), B( 2,6),C(6,6),D(6,2) [8] i) ii) b) Scale the square by factor = 2 in x & y direction. Rotate the scaled square about A by 45o in counter clockwise direction. Give an example of surface modelling and show it s disadvantages. How these disadvantages are overcome in solid modelling. [8] OR Q2) a) Write a note on i) b) Image writing methods. ii) [10] Homogeneous Transformation. Draw the sketches and write the equations for the primitives used in solid modelling. [6] P.T.O. Q3) a) b) Q4) a) b) Q5) a) b) Unit - II What is FMS? Discuss the FMS based on flexibility criteria. [9] Explain with neat diagram CNC & DNC along with their characteristics.[9] OR Explain different drive system in CNC. State G and M code used in CNC programming along with suitable example. [9] Explain the different elements of FMS. Draw layout arrangements in FMS. [9] Unit - III Explain any two module based on manufacturing for CIM. Write note on - [8] [8] i) ii) Q6) a) b) c) Q7) a) b) Q8) a) b) Q9) a) b) c) CIM data files. MRP - I and its in put and out put reports. OR Explain the role of computer in production management system. [5] What are advantages of AGVS over the other material handling system? What is meant by automated storage and retrieval system. [6] Explain the robot configuration. [5] SECTION - II Unit - IV Draw neat sketches and label it and write down the highlights of it s[8] i) Solid based curing. ii) Steriolithography. Explain with neat sketch a fused deposition method of RP. [7] OR State and explain characteristics of a product manufactured by RP. [7] Explain how a product manufactured by a laminated object manufacturing techniques. [8] Unit - V Explain the concept of Group technology along with their advantages. Also explain how it should be implemented in manufacturing company.[8] State and explain the various types of boundary conditions used in Engineering problems. [7] Write a note on cellular manufacturing. [5] OR [3864] - 181 -2- Q10)a) b) Consider the bar shown fig no. 1. Determine the nodal displacement, element stresses and reactions Assume E = 200 X 109 N / mm2. A1 = 150 mm2 A2 = 50 mm2. [12] Group - technology manufacturing cell can be classified into. i) Single machine cell. ii) Group - machine layout. iii) Flow line design. Draw simple line sketches to indicate above system and name their important elements of the system. [8] Unit - VI Q11)a) b) What is concurrent engineering? Explain its importance in today s manufacturing era. [7] Explain IBM model with neat sketch and data, work flow integration in it. [8] OR Q12 a) b) Explain the scope of integration of CIM model of Digital Equipment Corporation (DEC). [7] Explain the concept of Design for Quality and its effect on various stages of design and manufacturing. [8] ***** [3864] - 181 -3-

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