22062 - COMPUTER INTEGRATED MANUFACTURING
L-SCHEME
(Implements from the Academic year 2011-2012 onwards)
Course Name : DIPLOMA IN MECHANICAL ENGINEERING
Course Code : 1020
Subject Code : 22062
Semester : VI
Subject Title : Computer Integrated Manufacturing
TEACHING AND SCHEME OF EXAMINATIONS:
No. of Weeks per Semester : 16 Weeks
I
INTRODUCTION CIM AND COMPUTER AIDED
DESIGN & ANALYSIS
15
II
COMPUTER AIDED MANUFACTURING AND RAPID
PROTOTYPING
15
III CNC MACHINE AND COMPONENTS 15
IV PART PROGRAMMING 15
V
FMS, INTEGRATED MATERIAL HANDLING AND
ROBOT
15
REVISION AND TEST 5
Total 80
RATIONALE:
As per the latest requirements in the Industries this enables to learn the
assistance of computer in the field of design and manufacturing areas. It’s able to learn
the latest manufacturing concepts of in the shop floors and manufacturing methods like
RPT. They are able to know about the working of principles of CNC machines and
programming techniques are included. The application of material handling equipments
and robots are learnt based on the automation in the industries.
OBJECTIVES:
Understand the concept and requirement of the integration of the design and
manufacturing.
Acquire knowledge about the computer assistance in the design process and
analysis.
Understand the concepts of manufacturing with computer assistance in the
shop floor.
Learn the principle and working of the CNC machines.
Understand the principle of latest manufacturing machines like EDM
and RPT.
Learn the method of CNC programming with international codes.
Acquire the knowledge in the material handling equipment and robot.
COMPUTER INTEGRATED MANUFACTURING
DETAILED SYLLABUS
Contents: Theory
I INTRODUCTION CIM AND COMPUTER AIDED DESIGN & ANALYSIS
CIM: Introduction of CIM – concept of CIM - evolution of CIM – CIM wheel –
Benefits – integrated CAD/CAM.
CAD: Computer Aided Design – Introduction – CAD definition – Shigley’s design
process – CAD activities – benefits of CAD. Types of CAD system –Host and
terminal based CAD system - PC based CAD system – workstation based CAD
system – graphics workstation – CAD software packages. 2D&3D
transformations – translation, scaling, rotation and concatenation.
Geometric modeling: Techniques: Wire frame modeling – surface modeling –
solid modeling: Boundary representation – Constructive Solid Geometry –
Comparison.
Graphics standard – Definition –Need - GKS – IGES – PHIGS – DXF.
Cost involved in design changes – Concept of Design for Excellence (DFX) –
Guide lines of Design for Manufacture and assembly (DFMA).
Finite Element Analysis: Introduction – Development - Basic steps –
Advantage.
15 Hrs
II COMPUTER AIDED MANUFACTURING AND RAPID PROTOTYPING
CAM: Definition – functions of CAM – benefits of CAM – Group technology –
Part families - Parts classification and coding - coding structure – Optiz system,
MICLASS system and CODE System - process planning – CAPP – Types of
CAPP : Variant type, Generative type – advantages of CAPP - production
planning and control – computer integrated production management system –
Master Production Schedule (MPS) – Capacity planning – Materials
Requirement Planning (MRP) –Manufacturing Resources Planning (MRP-II)–
Shop floor control system - Just in time manufacturing philosophy- Introduction
to enterprises resources planning.
Product Development Cycle – Sequential engineering – Concurrent engineering.
Rapid proto typing: concept and applications – materials – types - Stereo
lithography – laser sintering – Deposition Modeling - 3D printing.
15 Hrs
III CNC MACHINE AND COMPONENTS
CNC Machines: Numerical control – definition – components of NC systems –
development of NC – DNC – Adaptive control systems – working principle of a
CNC system – Features of CNC machines - advantage of CNC machines –
difference between NC and CNC – Construction and working principle of turning
centre – Construction and working principle of machining centers – machine
axes conventions turning centre and machining centre – design considerations
of NC machine tools. CNC EDM machine – Working principle of die sinking and
wire EDM machines - Coordinate Measuring Machines: construction and
working principles.
15 Hrs
Components of CNC machine.
Drives: spindle drive – dc motor – Feed drives – dc servo motor and stepper
motor – hydraulic systems – Slide ways – requirement – types – friction slide
ways and anti friction slide ways - linear motion bearings – recirculation ball
screw – ATC – tool magazine – feedback devices – linear and rotary
transducers – Encoders - in process probing.
IV PART PROGRAMMING
PART PROGRAMMING: NC part programming – methods - manual
programming – conversational programming – APT programming - Format:
sequential and word address formats - sequence number – coordinate system –
types of motion control: point-to-point, paraxial and contouring – Datum points:
machine zero, work zero, tool zero NC dimensioning – reference points – tool
material – tool inserts - tool offsets and compensation - NC dimensioning –
preparatory functions and G codes, miscellaneous functions and M codes –
interpolation: linear interpolation and circular interpolation - CNC program
procedure.
Part Program – macro – sub-program – canned cycles: stock – mirror images –
thread cutting – Sample programs for lathe : Linear and circular interpolation Stock removal turning – Peck drilling – Thread cutting and Sample programs for
milling: Linear and circular interpolation – mirroring – sub program – drilling cycle
– pocketing – Generating CNC codes from CAD models – post processing
15 Hrs
V FMS, INTEGRATED MATERIAL HANDLING AND ROBOT
Types of manufacturing - introduction to FMS – FMS components – FMS layouts
– Types of FMS: flexible manufacturing cell – flexible turning cell – flexible
transfer line – flexible machining systems – benefits of FMS - introduction to
intelligent manufacturing system – virtual machining.
Computer Integrated material handling – AGV: working principle – types benefits – Automatic Storage and Retrieval Systems (ASRS).
ROBOT – definition – robot configurations – basic robot motion – robot
programming method – robotic sensors - industrial applications: characteristics,
material transfer, machine loading, welding, spray coating, assembly and
inspection.
15 Hrs
Text Books :
1) CAD/CAM/CIM , R.Radhakrishnan, S.Subramanian, New Age International Pvt.
Ltd.
2) CAD/CAM , Mikell P.Groover, Emory Zimmers, Jr.Prentice Hall of India Pvt., Ltd.
3) NC Programming, S.K.Sinha, Galgotia Publications Pvt. Ltd.
Reference Books :
1) CAD/CAM Principles and Applications, Dr.P.N.Rao, Tata Mc Graw Hill
Publishing Company Ltd.
2) CAD/CAM, Ibrahim Zeid, Mastering Tata McGraw-Hill Publishing Company Ltd.,
New Delhi.
3) Automation, Production Systems, and Computer-Integrated Manufacturing,
Mikell P. Groover, Pearson Education Asia.
4) Computer control of manufacturing systems,Yoram Koren, McGraw Hill Book.
22062 COMPUTER INTEGRATED MANUFACTURING
MODEL QUESTION PAPER-I
Time: 3 Hrs Max Marks : 75
PART-A
Marks 15 x 1= 15
Answer any 15 Questions-All Questions carry equal marks.
1 Define is CAD.2 List the benefits of CIM.
3 What is translation?
4 Mention the advantages of FEA.
5 Define CAM.
6 What is process planning?
7 What is concurrent engineering?
8 Mention the applications of RPT
9 Define NC.
10 Differentiate between NC and CNC.
11 What is encoder?
12 Mention the types of slide ways.
13 Mention the different formats of part program.
14 What is reference points?
15 Mention the different shapes of tool inserts.
16 What is NC dimensioning?
17 List the benefits of FMS.
18 What is AGV?
19 Define robot.
20 List the robot programming methods.
PART – B
Marks 5 x 12=60
Answer all the Questions
21 a i)ii)
Mention the basic steps of FEA.
Explain the activities of CAD in design process.
4
8
(or)
b i)
ii)
Compare the wire frame modeling with surface modeling.
Explain the constructive solid geometry modeling technique.
2
10
22 a i)
ii)
Write briefly about Enterprise Resource Planning.
What is GT? Explain the optiz system of coding.
4
8
(or)
b i) Write briefly about the Shop Floor Control. 4
ii) Explain the computer integrated production management system. 8
23 a i)
ii)
Explain the working of ATC.
Explain the working principle of turning centre.
4
8
(or)
b i)
ii)
What is the feed back device?
Explain the working of linear and rotary transducers.
2
10
24 a i)
ii)
Write briefly about conversational programming.
Explain about the APT programming language.
4
8
(or)
b i)
ii)
Write the procedure to create CNC manual part program.
Write a part program to create a mirroring image in a CNC milling
machine using a sub program.
4
8
25 a i)
ii)
Explain the working principle of AGV.
Write briefly about ASRS.
8
4
(or)
b i)
ii)
Write briefly on intelligent manufacturing system.
Explain the different types of FMS.
4
8
22062 COMPUTER INTEGRATED MANUFACTURING
MODEL QUESTION PAPER-II
Time: 3 Hrs Max Marks : 75
PART-A
Marks 15 x 1= 15
Answer any 15 Questions-All Questions carry equal marks.1 List the benefits of CAD.
2 What is graphic workstation?
3 What is concatenation?
4 What is the need of graphic standard?
5 List the benefits of CAM.
6 What is capacity planning?
7 List the advantages of CAPP.
8 What is sequential engineering?
9 What are the advantages of CNC machine?
10 What are the purposes of CMM?
11 What are the requirements of slide ways?
12 What is the purpose of ATC?
13 What is NC part programming?
14 What is tool offsets?
15 What is linear interpolation?
16 What is sub program?
17 What is FMS?
18 What is virtual machining?
19 List the types of sensors used in robot.
20 List the benefits of AGV
PART – B
Marks 5 x 12=60
Answer all the Questions
21 a i)ii)
Write briefly about the cost involved in design process.
Explain the Shigley’s design process.
4
8
(or)
b i)
ii)
What is graphic standard?
Explain the IGES graphic standard.
2
10
22 a i) Write briefly about Material Requirement Planning. 4
ii) What is CAPP? Explain the generative method of CAPP. 8
(or)
b i)
ii)
Write briefly about the product development cycle.
What is RPT? Explain the working of stereo lithography.
4
8
23 a i)
ii)
Write briefly about adaptive control system.
Explain the working principle of CNC system.
4
8
(or)
b i)
ii)
Write briefly about the linear motion bearing.
Explain the working principle of CMM.
2
10
24 a i)
ii)
Write briefly about tool inserts.
Write a part program to make M20 X 1.5 thread in CNC lathe.
4
8
(or)
b i)
ii)
Explain the types of motion control in CNC machine.
Write a part program for stock removal in turning.
4
8
25 a i)
ii)
Explain the FMS components.
Explain the FMS layout with sketches.
8
4
(or)
b i)
ii)
Write briefly about the basic robot motion.
Explain the different industrial applications of robot.
4
8
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