Winter 2014 Computer Aided Manufacturing Question Paper

***************

GUJARAT TECHNOLOGICAL UNIVERSITY

Diploma Engineering - SEMESTER–VI • EXAMINATION – WINTER • 2014

Subject Code: 361901  Date: 26-11-2014 

Subject Name: Computer Aided design and

Computer aided Manufacturing

Time: 02:30 pm - 05:00 pm  Total Marks: 70

Instructions:
1.  Attempt all questions.
2.  Make suitable assumptions wherever necessary.
3.  Figures to the right indicate full marks.
4.  English version is considered to be Authentic.

***************

Q.1  (a)  Explain CAD Design steps and reasons of its implementations.  07

(b)Explain CAD work station.  07

Q.2  (a)  What is CAD Standard and Explain in detail.  07

(b)Explain 2D transformation in detail  and 3D transformation in brief.  07

OR

(b)  Triangle having end points A(0,0) B(4,4),C(2,6) obtain new coordinates after Scaling in X axis 2 Units and in Y axis 1.5 Units. State diagram on graph paper.  07

Q.3  (a)  State Solid modeling methods and its application.  07

(b)  State complete Cad procedure for development Cad model of fig: 2 (use Auto-Cad)  07

OR 

Q.3  (a)   07
1 parametric and Non parametric modeling, explain in detail.
2 List Advance CAD/CAM softwares and explain anyone.

(b)  State procedure to develop 3D model of fig. 1 (use pro-e/solid edge modeling software )  07

Q.4  (a)  Explain following modeling Commands.  07
(1) Revolving surface (2) Edge surface (3) 3D Array (4) Substract

(b)  Explain Assembly modeling methods in ProE/Solidedge with one example.  07

OR 

Q. 4  (a)  Explain types and Classification of CNC machine tools. 07

(b)  Explain ATC and APC in details.  07

Q.5  (a)  Write CNC part program for fig. 3Use ISO format and state your Assumptions.  07

(b)  Explain Adoptive control and robotics.  07

OR 

Q.5  (a)  Write CNC part programe for fig. 4 Use ISO format and state your assumptions.  07

(b)  Explain DNC and FMS.  07

                                                                      ***************