GUJARAT TECHNOLOGICAL UNIVERSITY Diploma Engineering - SEMESTER VI EXAMINATION SUMMER 2013
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1 Seat No.: Enrolment No. GUJRT TECHNOLOGICL UNIVERSITY Diploma Engineering - SEMESTER VI EXMINTION SUMMER 2013 Subject Code: Date: 09/05/2013 Subject Name: Computer ided Design and Computer ided Manufacturing (CD / CM) Time: 10:30 am TO 01:00 pm Total Marks: 70 Instructions: 1. ttempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version is considered to be uthentic Q.1 (a) Define CD. State any five functional areas of CD. (b) Explain CD workstation with block diagram and enlist types of input and output devices used in it. Q.2 (a) State different types of graphical terminals. Compare its features. (b) State and compare various types of geometric modelling. (b) Enlist types of CD software used for solid modelling and write features of any one. Q.3 (a) Write down UTOCD commands to draw 3D model for a given component in Fig.1. (b) Explain following utocd commands with suitable example (i) TBSURF (ii) 3D RRY (iii) SLICE (iv) UCS Q.3 (a) Write down UTOCD commands to draw 3D model for a given component in Fig.2. (b) Explain following G Codes and M Codes in brief. (i) G01 (ii) G02 (iii) G04 (iv) G41 (v) M03 (vi) M06 (vii) M30 Q.4 (a) Write short notes with sketch i) Ball screw (ii) Working of TC (b) Prepare CNC part program for turning using ISO codes of a component given in figure 3 Q. 4 (a) Prepare CNC part program for milling using ISO codes of a component given in figure 4. (b) Classify the CNC Machine Tool in brief. Q.5 (a) Write short note on DNC with block diagram. (b) Write short note on (i) canned cycle (ii) subroutines(sub programme) Q.5 (a) Write short notes on i) FMS (ii) Tool compensation with suitable example (b) Define robotics. Give classification of robot and write main elements of robots. ************** 1/3
2 5 `Gv! V CD ન ય ય આપ અન CD ન ક ઈ પણ પ ચ ક ય જણ વ. આ ત દ ર CD વક ટશન સમ વ અન ત મ વપર ત ઇન ટ અન આઉટ ટ ડવ ઇસન ન મ લખ. 5 `GvZ V દ દ ફ કલ ટમ નલ જણ વ. દર કન ફ ચરન સરખ મણ કર. વ વધ ક રન જ મ ક મ ડલ ગન ક ર લખ અન સરખ મણ કર. સ લ ડ મ ડલ ગ મ ટ વપર ત કડ સ ફટવ રન ય દ લખ ક ઇ એક સ ફટવ રન ફચર સમ વ. 5 `Gv# V આ ત -૧ મ દશ વ લ જબ 3D ઇગ ઓટ કડમ કમ ડ લખ. દ રવ મ ટન જ ર ન ચ દશ વ લ ઓટ કડ કમ ડસન ય ય દ ખલ આપ ન સમ વ. (i) TBSURF (ii) 3D RRY (iii) SLICE (iv) UCS 5 `Gv# V આ ત-૨ મ દશ વ લ જબ 3D ઇગ ઓટ કડમ દ રવ મ ટન જ ર કમ ડ લખ. ન ચ દશ વ લ G ક ડ અન M ક ડ કમ સમ વ (i) G01 (ii) G02 (iii) G04 (iv) G41 (v) M03 (vi) M06 (vii) M30 5 `Gv$ V કન ધ લખ. i) બ લ આ ત સ થ (ii) આ ત સ થ TC ન ક ય પ ધ ત આ ત -૩મ દશ વ લ જ બ મ ટન મ બન વ ISO ક ડમ ટન ગ મ ટન CNC પ ટ 5 `Gv$ V આ ત-૪ મ દશ વ લ જ બ મ ટન ISO ક ડમ મ લ ગ મ ટન CNC પ ટ મ બન વ સ.એન.સ. મશ ન લ વગ કરણ કમ સમ વ. 5 `Gv5 V DNC ન લ ક ડ ય મ દ ર કન ધ લખ. કન ધ લખ. i) ક ડ સ યકલ 5 `Gv5 V કન ધ લખ. (ii) સબ ટન(સબ ર મ) i) FMS (ii) લ ક પ નસ શન ય ય ઉદ હરણ આપ સમ વ ર બ ટકસ ન ય ય આપ. ર બ ટ વગ કરણ કર ત ન ય ભ ગ ન ન મ જણ વ. 2/3
3 FIGURE - 1 FIGURE - 2 FIGURE 3 FIGURE - 4 3/3
4 Seat No.: Enrolment No. GUJRT TECHNOLOGICL UNIVERSITY DIPLOM ENGINEERING - SEMESTER VI REMEDIL EXMINTION WINTER 2013 Subject Code: Date: Subject Name: CD - CM Time: 03:00 pm - 05:30 pm Total Marks: 70 Instructions: 1. ttempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version is considered to be uthentic. Q.1 (a) State and explain design steps in CD. (b) Explain CD workstation with block diagram. Q.2 (a) Explain difference between wireframe modeling and solid modeling. (b) Write features of Pro-Engineer. (b) List advantages and limitations of CNC machine tool. Q.3 List the steps for Fig. 1 to generate a 3D solid model in utocd. Q.3 (a) Write short note on Ball Screw and Nut. (b) Explain working of utomatic Pallet Changer ( PC ) with block diagram. Q.4 (a) Differentiate between Open Loop and Closed Loop system in CNC machine. (b) List five G codes and two M codes used in part program and explain each. Q. 4 (a) Generate CNC Part Program for the component shown in Fig.2. (b) State the principal functions and applications of DNC. Q.5 (a) List potential benefits of CIM. (b) List types of robots and explain any one. Q.5 (a) Explain different types of co-ordinates used in CNC part programming. (b) State the difference between Parametric and Non Parametric modeling. ************ 1/3
5 જર ત. 1 અ બ kedma> idza[nna> pgla> j`avo ne sm=vo. Blok Dayag/am sa4e ked vkr S3exn sm=vo.. 2 અ બ vayr f/em ne solid modeli>g vcce tfavt sm=vo. p/o-en+niyrna 63ko lqo. બ અથવ si.en.si.mxin 3uLsna fayda ne myarda j`avo.. 3 અ ak<it-é ma> ek 6n model apel 0e.o3okeDma> te mujb 4/I DI 6n model bnavva ma3ena pg4iya> j`avo. ÉÌ. 3 અ બ અથવ bol Sk/u ne n3 pr 3u>kI no>2 lqo. o3ome3ik pele3 cenjr nu> kayr Blok Dayag/am sa4e sm=vo અ બ અ બ si.en.si.mxinma> opn lup ne Kloz lup sis3im vcce tfavt sm=vo. pa3r p/og/amma> vprata pa>c +-kod ne be em-kod ni yadi api drekne sm=vo. અથવ ak<it-ê ma> dxarvel 6n wagno si.en.si.pa3r p/og/am lqo. DI.en.sI.na muqy kayor ne ]pyog lqo અ બ અ si.a[.em.na muqy fayda lqo. robo3srna p/karoni yadi api gme te ek sm=vo. અથવ si.en.si.pa3r-p/og/ami>g ma> vprata juda juda p/karna kodirne3s sm=vo. બ perame3 Ik ne non-perame3 Ik modeli>g vcceno tfavt sm=vo. ************ 2/3
6 3/3
7 Seat No.: Enrolment No. GUJRT TECHNOLOGICL UNIVERSITY Diploma Engineering - SEMESTER VI EXMINTION WINTER 2014 Subject Code: Date: Subject Name: Computer ided design and Computer aided Manufacturing Time: 02:30 pm - 05:00 pm Total Marks: 70 Instructions: 1. ttempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version is considered to be uthentic. Q.1 (a) Explain CD Design steps and reasons of its implementations. (b) Explain CD work station. Q.2 (a) What is CD Standard and Explain in detail. (b) Explain 2D transformation in detail and 3D transformation in brief. (b) Triangle having end points (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. Q.3 (a) State Solid modeling methods and its application. (b) State complete Cad procedure for development Cad model of fig: 2 (use uto-cad) Q.3 (a) 1 parametric and Non parametric modeling, explain in detail. 2 List dvance CD/CM softwares and explain anyone. 1/4
8 (b) State procedure to develop 3D model of fig. 1 (use pro-e/solid edge modeling software ) Q.4 (a) Explain following modeling Commands. (1) Revolving surface (2) Edge surface (3) 3D rray (4) Substract (b) Explain ssembly modeling methods in ProE/Solidedge with one example. Q. 4 (a) Explain types and Classification of CNC machine tools. (b) Explain TC and PC in details. Q.5 (a) Write CNC part program for fig. 3Use ISO format and state your ssumptions. (b) Explain doptive control and robotics. 2/4
9 Q.5 (a) Write CNC part programe for fig. 4 Use ISO format and state your assumptions. (b) Explain DNC and FMS. ************ ગ જર ત પ રશ ન. ૧ અ ક ડ ડ ઝ ઇનન પગલ સમઝ વ અન ત ન ઉપય ગમ લ વ ન ક રણ લખ. ૦૭ બ ક ડ વ કસ ટ સન વવશ સમઝ વ. ૦૭ પ રશ ન. ૨ અ ક ડ સ ટ નડડક ન વ ય ખ ય આપ અન વવસ ત રથ સમજ વ. ૦૭ બ 2-ડ ટ સફ રમ સન વવસ ત રથ સમજ વ અન 3-ડ ટ સફ રમ સન ટ કમ ૦૭ સમજ વ. અથવ બ એક ત ર ક ણન ય મ (0,0), B(4,4),C(2,6) છ. X દ શ મ 2 ય વનટ અન Y ૦૭ દ શ મ 1.5 ય વનટ ન સ ક લલ ગ કર. આ મ ટ આક ર ત ગ ર ફ પ પર પર દસ કવ. પ રશ ન. ૩ અ સ લલડ મ ડ લલ ગ ન ર ત ત ન ઉપય ગ ત સ થ સમજ વ. ૦૭ બ આક ર ત 2 મ ટ ક ડ મ ડ લ બન વવ સ પ ર ણ ર ત લખ.(ઓટ -ક ડન ઉપય ગ ૦૭ કર ) પ રશ ન. ૩ અથવ અ 1. પ ર મ ટ ક અન ન ન પ ર મ ટ ક મ ડ લલ ગ વ શ વ સ ત રથ સમઝ વ.. 2 એડવ સ ક ડ/ક મ સ ફ ટવ રન ય દ કર અન ક ઇ એક વ ષ સમજ વ. બ આક ર ત 1 મ ટ ક ડ મ ડ લ બન વવ સ પ ર ણ ર ત લખ.(ર -ઇ ક સ લલડ એજ ન ઉપય ગ કર ) ૦૭ ૦૭ પ રશ ન. ૪ અ ન ચ ન મ ડ લલ ગ કમ ડ સમજ વ. ૦૭ (1) Revolving surface (2) Edge surface (3) 3D rray (4) Substract બ Pro-E/Solid edge મ એસ મ લ ગ મ ડ લ ર ત ક ઇ એક દ ખલ મ ટ સમજ વ. ૦૭ અથવ પ રશ ન. ૪ અ CNC મશ ન ન ટ ઇપ સ અન વગ કરણ સમજ વ. ૦૭ 3/4
10 બ TC and PC વ ષ વ સ ત રથ સમજ વ. ૦૭ પ રશ ન. ૫ પ રશ ન. ૫ અ આક ર ત 3 મ ટ CNC પ ટક ર ગ ર મ ISO ફ રમ ટન ઉપય ગ કર લખ. તમ ર ૦૭ ધ રણ ઓ દસ કવ. બ એડપ ટ વ ક ટ લ અન ર બ ટ ક સ સમજ વ. ૦૭ અથવ અ આક ર ત 4 મ ટ CNC પ ટક ર ગ ર મ ISO ફ રમ ટન ઉપય ગ કર લખ. તમ ર ૦૭ ધ રણ ઓ દસ કવ. બ ડ. એન. સ. અન એફ.એમ.એસ. સમજ વ. ૦૭ ************ 4/4
11 Seat No.: Enrolment No. GUJRT TECHNOLOGICL UNIVERSITY Diploma Engineering - SEMESTER VI EXMINTION SUMMER 2014 Subject Code: Date: Subject Name: Computer ided design and Computer aided Manufacturing Time: 10:30 am - 01:00 pm Total Marks: 70 Instructions: 1. ttempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version is considered to be uthentic. Q.1 (a) What is need and salient feature of CD/CM? (b) What is meant by Graphic terminal? Differentiate between DVST terminal and Raster Scan terminals. Q.2 (a) Explain parametric, non-parametric and feature based modeling (b) Define transformation. Explain 2D translation with suitable example. (b) quadrilateral BCD has following coordinates (1,1),B(6,1), C(10,5), D(5,5). Calculate and show the new coordinates of the quadrilateral if it is translated by 10 units in x direction and 5 units in y direction. Q.3 (a) Write down the UTOCD command in sequences for the Figure 1 (b) Discuss following UTOCD commands. (1) V port (2) 3D orbit (3) Rule Surf (4) Rev Surf Q.3 (a) Write complete procedure to draw 3D model for a given component in Fig. 2 (b) List various solid modeling software used in CD and explain any one. Q.4 (a) Differentiate open loop and closed loop in context with CNC machine. (b) Prepare CNC part programming for turning using ISO codes of a component given in Figure 3. Q. 4 (a) Explain PT language used in computer assisted part programming. (b) Prepare CNC part programming for milling using ISO codes of a component given in Figure 4 Q.5 (a) State the principal functions and application of DNC. (b) Explain feature of FMS and list the main component of FMS. Q.5 (a) Give classification of robots and list type of robots. (b) Explain area covered in CIM using block diagram. ************ 1/3
12 ગ જર ત પ રશ ન. ૧ અ CD/CM ન જર રરય ત અન ત મ ફ ચર સ શ છ? ૦૭ બ ગ ર રફક ટર મ ન એટ શ? DVST ટર મ ન અન ર સ ટર સ ક ન ટર મ ન વચ ચ ન તફ વત જણ વ. ૦૭ પ રશ ન. ૨ અ પ ર મ ટ ર ક, ન ન પ ર મ ટ ર ક અન ફ ચર બ ઝ ડ મ ડ લ ગ ર મજ વ. ૦૭ બ ટ ર સ ફ રમ શનન વ ય ખ ય આપ. 2D ટ ર સ શન ય ગ ય ઉદ હરણ ન મદદથ ર મજ વ. અથવ બ ચતષ ક ણ BCD ન અ ત યલબ દ ન ય મ (1,1), B(6,1), C(10,5), D(5,5) છ. જ ટ ર ર શન x એક ષ ર મ ૧૦ યર નટ અન y એક ષ ર મ ૫ યર નટ હ ય ત ચતષ ક ણ ન નવ ય મ ગણ અન બત વ. ૦૭ ૦૭ પ રશ ન. ૩ અ આક ર ર ત ૧ મ દશ સવ ય મજબ ન મ ડ ઓટ ક ડ મ બન વવ મ ટ ન ઓટ ક ડ ૦૭ કમ ડ ક રમમ ખ. બ ઓટ ક ડમ ન ચ દશ સવ કમ ન ડ ર ન ચચ સ કર. ૦૭ (૧) વ પ ટસ (૨) 3D ઓબ ટ (૩) ર ર ફસ(૪) ર વ ર ફસ અથવ પ રશ ન. ૩ અ આક ર ર ત ૨ મ દશ સવ દ ગ ન 3D મ દ રવ મ ટ ન ક યસ પદ ધર ત ખ. ૦૭ બ જ દ જ દ ર ડ મ ડ ગ મ ટ વપર ત CD ર ફ ટવ ર ન ય દ બન વ ૦૭ અન ક ઇ પણ એક ર ર વસ ત ર વણસવ. પ રશ ન. ૪ અ ઓપન લ પ અન ક ઝ ડ લ પ ન તફ વત CNC મશ ન ન ર દભસમ ર મજ વ. ૦૭ બ આક ર ર ત ૩ મ દશ સવ દ ગ ન મ ટ ન ISO CNC ટન ગ ન પ ટસ પ ર ગ ર મ ૦૭ બન વ. અથવ પ રશ ન. ૪ અ ક મ યટર આર સ ટ ડ પ ટસ પ ર ગ ર મ ગ મ આવત PT ગવ જ ર વશ ર મજ વ. ૦૭ બ આક ર ર ત ૪ મ દશ સવ દ ગ ન મ ટ ન ISO CNC મ ગ ન પ ટસ પ ર ગ ર મ ૦૭ બન વ. પ રશ ન. ૫ અ DNC ન મખ ય ક ય અન ઉપય ગ ખ. ૦૭ બ FMS ન ફ ચર ર મજ વ અન ત ન મખ ય ભ ગ જણ વ. ૦૭ પ રશ ન. ૫ અ ર બ ટ ન વગ કરણ જણ વ અન પ રક ર ખ. ૦૭ બ બ ક ડ ય ગ ર મ ન મદદ થ CIM મ ર મ ર વષ ટ ક ષ ત ર ર મજ વ. ૦૭ 2/3
13 Fig.1 Fig.2 3/3
14 Seat No.: Enrolment No. GUJRT TECHNOLOGICL UNIVERSITY DIPLOM ENGG.- VI th SEMESTER EXMINTION MY/JUNE Subject code: / Date: 26/05/2012 Subject Name: CD/CM Time: 10:30 am 01:00 pm Total Marks: 70 Instructions: 1. ttempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version is considered to be uthentic Q.1 (a) State and explain functional area of CD/CM. (b) Explain following term in brief. 1. RM 2. ROM 3. Cache Memory 4. Serial Port 5. Parallel Port 6. USB Port 7. Screen Resolution Q.2 (a) List advance CD software and explain any one. (b) Explain GKS and IGES graphic standard. (b) Define transformation. Explain 2D translation with suitable example. Q.3 (a) Write complete procedure to draw 3D model for a given component in figure 1. with the help of Pro/E. (b) Explain parametric, non parametric and feature based modeling. Q.3 (a) Write complete procedure to draw 3D model for a given component in figure 2. with the help of uto CD (b) Explain following command. 1. Extrude 2. Slice 3. Intersect 4. Rotate 3D 5. Revolve 6. Mirror 3D 7. Union Q.4 (a) Prepare CNC part program for turning using ISO codes of a component given in figure 3. (b) Explain difference between wireframe modeling and solid modeling. Q. 4 (a) Prepare CNC part program for milling using ISO codes of a component given in figure 4. (b) Write short note on 1. Canned cycle 2. CNC co-ordinate system Q.5 (a) Give the classification of CNC machine. Briefly narrate any one. (b) Write short note on 1. CIM 2. DNC Q.5 (a) Write short note on 1. Ball Screw 2. TC (b) Write short note on 1. ROBOTICS 2. FMS Page 1 of 4
15 5 `Gv! V કડ /કમન ક ય જણ વ અન સમ વ. ન ચ દશ વ લ પદ વલ કમ સમ વ. 1. RM 2. ROM 3. કચ મ મર 4. સ ર યલ પ ટ 5. પ રલલ પ ટ 6. USB પ 7. ન ર ઝ શન 5 `GvZ V એડવ સ કડ સ ફટવ ર લ ટ કર અન ક ઇપણ એક વષ સમ વ. GKS અન IGES ફ ક ટ ડડ સમ વ. સફ મ શનન ય ય આપ. 2D સલ શન ય ય દ ખલ આપ ન સમ વ. 5 `Gv# V Pro/E ન મદદથ આ ત 1 મ દશ વ લ દ ગ ન 3D મ દ રવ મ ટન ક ય પ ત લખ. પ ર મ ક, ન ન પ ર મ ક અન ફ ચસ બ ઇઝ મ ડલ ગ સમ વ. 5 `Gv# V uto CD ન મદદથ આ ત 2 મ દશ વ લ દ ગ ન 3D મ દ રવ મ ટન ક ય પ ત લખ. ન ચ ન કમ ડ સમ વ. 1. Extrude 2. Slice 3. Intersect 4. Rotate 3D 5. Revolve 6. Mirror 3D 7. Union 5 `Gv$ V આ ત 3 મ દશ વ લ દ ગ ન મ ટન ISO ક ડમ CNC ટન ગ ન પ ટ પ મ બન વ. વ યર મ મ ડલ ગ અન સ લ ડ મ ડલ ગ વ ચ ન ભ દ સમ વ. 5 `Gv$ V આ ત 4 મ દશ વ લ દ ગ ન મ ટન ISO ક ડમ CNC મ લ ગ ન પ ટ પ મ બન વ. ક ન ધ લખ 1. ક ડ સ યકલ 2. CNC ક -ઓડ ન ટ સ ટમ 5 `Gv5 V CNC મશ ન વગ કરણ કર. ક ઇપણ એક વગ કરણ સમ વ. ક ન ધ લખ 1. CIM 2. DNC 5 `Gv5 V ક ન ધ લખ 1. બ લ 2. TC ક ન ધ લખ 1. ર બ ટ સ 2. FMS Page 2 of 4
16 Figure 1. Figure 2. Page 3 of 4
17 Figure 3. Figure 4. Page 4 of 4
18 Seat No.: Enrolment No. GUJRT TECHNOLOGICL UNIVERSITY Diploma Engineering Semester VI Examination Dec Subject code: Date: 05/12/2011 Subject Name: Computer ided Design and Computer ided Manufacturing Time: pm pm Total Marks: 70 Instructions: 1. ttempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version is considered uthentic. Q.1 (a) Figure 1 shows a solid model. List steps with command 10 procedure(along with sketch, name of command, UCS position and option for each step) to generate a 3-D model in UTOCD (b) List dvantages of CD 04 Q.2 (a) (1) List various CD software. (2) line having end coordinates (0,0) and (2,3) is scaled by a factor of 3.0 in the X direction and 2.0 in the Y direction then it is translated by 2.0 units in the X direction and 2.0 units in the Y direction.find out coordinates of final position of this line. (b) Write down configuration for Modern CD workstation also list various cables used with it. (b) List Different Graphic Standard and explain any one Q.3 (a) Differentiate between Parametric Modeling and Non Parametric 05 modeling, give features of Pro/E software (b) Explain with examples following utocd commands: 05 (1) REVSURF (2) TBSURF (c) What do you mean by Subroutine in Part Programming, explain with 04 suitable example. Q.3 (a) Explain various constraints used in Pro/E software 05 (b) Explain with examples following utocd commands: 05 (1) RULESURF (2) SUBSTRCT (c) Explain usefulness of Canned cycle in part programming with suitable example Q.4 (a) Write down Part program for the job given in figure no.2 use ISO 08 format; clearly write your assumption about cutting tool and cutting parameters. lso, specify clearly program Zero. (b) Differentiate NC machines, CNC machines and DNC machines 06 Q. 4 (a) Write down Part program for the job given in figure no.3, use ISO format; clearly write your assumption about cutting tool and cutting 08 1
19 parameters. lso, specify clearly program Zero (b) How axis are designated in Lathe and Vertical Milling machine explain with suitable figure 06 Q.5 (a) List different feedback devices used in CNC machine and explain any one encoders used in CNC machine (b) What is daptive control explain its advantages and application for CNC machine Q.5 (a) List different Motion control system of CNC system and explain Continuous Path control (b) Write short note on (1) FMS (2) CIM ************ 2
20 5 `Gv! V આ ત -1 મ એક SOLID મ ડ દશ વ લ છ ત ન UTOCDમ દ રવ મ ટન ટપ મ ડ સ જર સ થ ( મ દરક ટપ મ ટ જ ર કચ, મ ન મ, UCSન પ ઝ શન અન વક સ થ ) લખ. કડન ફ યદ લખ. 5 `GvZ V (1)કડ મ ટ વપર ત સ ફટવ રન ય દ લખ. 5 `Gv# (2)એક રખ ન તમ બ (0,0) અન (2,3) છ ત કલ ગ X- દશ મ 3.0 અન Y દશ મ 2.0 ફકટર ર કરવ મ આવ છ, ય ર બ દ ત ન X- દશ મ 2.0 અન Y દશ મ 2.0 નટ લ ટ કરવ મ આવ છ, ત આ રખ ન ત થ તન ય મ શ ધ આ નક કડ સ ટમન સ રચન લખ અન ત મ વપર ત વ વધ ક ન ય દ લખ. ફક ટ ડ ન ક ર લખ અન ક ઇ એક વણ વ. V ક પ ર મ ક મ ડલ ગ અન ન ન પ ર મ ક મ ડલ ગ વ ચ ન તફ વત આપ અન Pro/E સ વ રન ખ સયત જણ વ. ઉદ હરણ સ થ ન ચ ન utocd મ વણ વ (1) REVSURF (2) TBSURF પ ટ મ ગમ સબ ટ ન એટલ ત ઉદ હરણ સ થ સમ વ. 5 `Gv# V Pro/E સ વ રમ વપર ત વ વધ constraints વણ વ 0 ક ઉદ હરણ સ થ ન ચ ન utocd મ વણ વ (1) RULESURF (2) SUBSTRCT ક ડ સ યકલ (Canned cycle) ન ઉપય ગત ય ય ઉદ હરણ સ થ વણ વ `Gv$ V આ ત -2 મ દશ વ લ જ બ મ ટ પ ટ મ ISO ફ રમ ટ અ સ ર 0 લખ. અન કટ ગ લ અન કટ ગ પ ર મ ટર વષ તમ ર ધ રણ પ ટ જણ વ., અન મ ઝ ર પ ટ જણ વ. NC મશ સ, CNC મશ સ અન DNC મશ સ વ ચ ન તફ વત 0 આપ. 5 `Gv$ V આ ત -3 મ દશ વ લ જ બ મ ટ પ ટ મ ISO ફ રમ ટ અ સ ર 0 લખ. અન કટ ગ લ અન કટ ગ પ ર મ ટર વષ તમ ર ધ રણ 3
21 પ ટ જણ વ, અન મ ઝ ર પ ટ જણ વ લ થ અન વટ કલ મ લ ગ મશ નમ અ સ કવ ર ત અપ ય છ ત ય ય આ ત સ થ સમ વ. 5 `Gv5 V CNC મશ નન વ વધ ફ ડબ ક ડ વ ઇસન ન મ જણ વ અન ક ઇ 5 `Gv5 V એક એ ક ડર વણ વ. એડ ટ વ ક લ એટલ ત ન ફ યદ અન ઉપય ગ ત CNC મશ ન મ ટ સમ વ CNC મશ નન વ વધ મ શન ક લ સ મન ન મ લખ અન ક ટ અસ પ થ ક લ સ મ વણ ન કર ક ન ધ લખ (1) FMS (2) CIM ************ Figure 1 Q.1 (a) 4
22 Figure 2 Q.4 (a) Job material C45 Figure 3 Q.4 (a) Job Material Cast Iron Thickness 10 mm 5
23 Seat No.: Enrolment No. GUJRT TECHNOLOGICL UNIVERSITY Diploma - Semester-VI- Regular Examination May 2011 Subject code: Subject Name: Computer ided Design & Computer ided Manufacturing Date: 16/05/2011 Instructions: 1. ttempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version is uthentic Time : p.m p.m. Total Marks: 70 Q.1 (a) Explain Design steps in detail with use of Computer in each step. (b) Explain all Constructional features of CNC Machine Tools. Q.2 (a) Prepare CNC Part Program using ISO Codes of a Component given in Fig. 1. (b) List and explain Input and Output devices used for CD. (b) Explain various Geometric Modellings with neat sketch. Q.3 (a) Write Complete procedure to Draw 3D model for a given component in Fig.2. (b) Differentiate between Parametric and Non- Parametric modeling in CD. Q.3 (a) Write Complete procedure to Draw 3D model for a given component in Fig.3. (b) List various solid modelling softwares used in CD and explain features of any one in detail. Q.4 (a) Explain Tool Management systems of CNC Machining center in detail. (b) Explain xis Coordinate system of CNC Machining center with neat sketch. Q. 4 (a) Explain any Five G Codes and Five M codes in detail. (b) Explain Following utocd commands 1. UCS 2. UNION 3. 3D BIT 4. WEDGE 5. FILLET 6. RRY 7. EXTRUDE. Q.5 (a) Define FMS. List elements used in FMS and Draw layout of any one FMS. (b) Write Short Note : - (1) daptive Control. (2) Computer Integrated Manufacturing (CIM). Q.5 (a) List and Draw all Geometrical Configuration of Robots. (b) Write Short Note : - (1) Various CD Graphic standards. (2) utomatic Pallet Changer. 1
24 5 `Gv! V ડ ઝ ઈન ન તબ ઓ ક ટર ન ઉપય ગ સ થ સ વ ત ર વણ વ. 5 `GvZ V આ ત 5 `Gv# V આ ત 5 `Gv# V આ ત સ એનસ મશ ન લ મ ટન રચન મક લ ણકત ઓ વણ વ. ૧ મ દશ વ લ દ ગ ન મ ટન ISO ક ડમ સ એનસ મ બન વ. CD મ ટ વપર ત ઈન ટ અન આઉટ ટ ડવ ઈસ લખ અન વણ વ. દ દ જ મ ક મ ડલ ગ પ ધ ત આ ત સ થ વણ વ. ૨ મ દશ વ લ દ ગ ન 3D મ દ રવ મ ટન ક ય પ ધ ત લખ. પ ર મ ક અન ન નપ ર મ ક મ ડલ ગ વ ચ ન તફ વત લખ. ૩ મ દશ વ લ દ ગ ન 3D મ દ રવ મ ટન ક ય પ ધ ત લખ. દ દ સ લ ડ મ ડલ ગ મ ટ વપર ત CD સ ટવ રન ય દ બન વ અન ક ઇપણ એક સ વ ત ર વણ વ. 5 `Gv$ V સ એનસ મશ ન ગ મ ટ ન લ મ નજમ ટન પ ધ ત વણ વ. સ એનસ મશ ન ગ મ ટ ન એ સ ક ઓડ ન ટ પ ધ ત આ ત સ થ વણ વ. 5 `Gv$ V ક ઇપણ પ ચ G ક ડ અન ક ઇપણ પ ચ M ક ડ વણ વ. ન ચ ન ઓટ કડ મ ડ સમ વ. 1. UCS 2. UNION 3. 3D BIT 4. WEDGE 5. FILLET 6.RRY 7. EXTRUDE 5 `Gv5 V FMS ન ય ય આપ. FMS ન વ વધ ભ ગ ન ય દ બન વ. ક ઇપણ એક FMS ન લ આઉટ દ ર. કન ધ લખ ૧. એડપટ વ ક લ. (daptive Control ) ૨. ક ઉટર ઇનટ ટડ મ ફ ચ ર ગ. (CIM). 5 `Gv5 V ર બ ટ મ ટન બધ જ ભ મ તક ક ફ શન ન ય દ બન વ અન દ ર. કન ધ લખ. ૧. દ દ ફક ટ ડડ ૨. ઓટ મ ટક પ લ ટ ચ જર ************ 2
25 Fig.- 1 Fig
26 Fig- 3 4
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