A Primer on Computer Aided Machine Drawing

A Primer on Computer Aided Machine Drawing
اسم المؤلف
Vsvesvaraya Techn Logical University
التاريخ
1 أبريل 2020
المشاهدات
51
التقييم
(لا توجد تقييمات)
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A Primer on Computer-Aided Machine Drawing
Vsvesvaraya Techn Logical University
Belgaum 590 01
Contents
Editorial Committee
Foreword
Preface
Contents
Syllabus
Chapter 1:introduction
1 – 16.
1.1 Machine Drawing
1.2 Size of Drawing Sheet
1.3 Layout of the Drawing Sheet
1.4 Title Block ..
1.5 Eiu.or Material
1.6 So.=tware
1.6.1 Graphic Interface of the Software
1.6.2menus
1.6.3 Tool Bars
1.6.4 Basic Sketching Commands;
1.6.4.1 Drawing (Draft) Environment Commands.
1.6.4.2 Part Environment Commands
1.6.4.3 Assembly Environment Commands
1.7 Starting a New Drawing Sheet
Chapter 2 : Sections of Solids 17 -44
2.1 Introduction
2.2 Definitions
2.2.1. Section View
2.2.2. Section Lines
2.2.3. Section Plane
2.2.4. True Shape of Section
2.2.5. Apparent Section
2.2.6. Auxiliary Seciton
2.3 Illustrative Examples
2.3.1 Sections of Pyramids
Problem 2.1 to 2.14
2.3.2 Sections of Tetrahedrons
Problems 2.15 and 2.16
2.3.3 Sections of Cones
Problems 2.17 to 2.21
2.3.4 Sections of Cubes
Problems 2.22 to 2.272.3.5 Sectionsof Prisms
Problems 2.28 to 2.31
2.3.6 Sections of Cylinders
Problems 2.32 to 2.39
Chapter 3 : Orthographic Projections 45 -88
3.1 Conversionof Pictorialviewsintoorthographicviewswith Section
If Required
3.2. Sectional Views
3.2.1.·full Section
3.2.2. Half Section/semi Section
3.2.3. Off·set Section
3.2.4. Aligned Section Plane
3.2.5. Removed,section
3.2.6. Revolved’section :
3.2.7. Phantom Section !
3.2.8. Broken Section/ Partial Section/ Local Section
3.3. Sectioning Cony’:entions ~,
3.4. Illustrative Exar;,~ptes ‘
Problems 3.1 to 3.<30
Chapter 4 : Thread Forms. ‘
4.1 Introduction
4.2. Thread Terminology
4.3 Sectional Views of Threads
4.3.1 Iso Metric (Unified Thread)
4.3.2 Bsw (British Standard Whitworth) Thread
4.3.3 Square Thread .
4.3.4 Acme Thread
4.3.5 Sellers Thread
4.3.6 Buttress Thread
Chapter 5 : Fasteners
5.1 Introduction
5.2 Threaded Fasteners
5.3 Applications
5.4 Specification
5.5 Representation of Threads in Drawings
5.6 , Right Hand and Left Hand Threads
5.7 Single and Multi-start Threads’
5.8 Bolts and Nuts
5.9 Washers
5.10screws ,
5.11 Drawing Hexagonal Head Bolt and Nut
5.12 Drawing Square Head Bolt and Nut
Viichapter 6 : Keys and Joints I 105-114
6.1 Introduction
6.2 Keys -,
6.3 Types ‘of Keys
6.3.1 ,sunk Keys
6.3.2 Taper Sunk Keys
6.3.3 Parallel or Feather Key
6.3.4 Woodruff Key
6.3.5 Peg Feather Key
,6.3.6 Single Headed Feather Key
6.4 Corrsa Joint (Socket and Spigot Type)
6.5 Knuckle Joint (Pin Joint)
Chapter 7 : Riveted Joints 115-124
7.1 Riveted Joints
7.2 ‘rivets
7.3 Riveting
7.4 Caulking and Fullering ‘
7.5 Rivet Heads ;
7.6 Dimensions of Riveted Joinjfs
7.7 Types of Riveted Joints I
7.7.1 Lap Joints I
7.7.2 Butt Joints
Chapter 8 : Couplings 125-132
8.1 Ii’\troduction
8.2 Muff Coupling
8.3 Protected Type Flange Coupling
8.4 Pin Type Flexible Coupling
8.5 Oldham’s Coupling
8.6 Universal Coupling (Hook’s Coupling)
Chapter 9 : Assembly Drawings 133
Introduction
Screw Jack (Bottle Type) I
Lathetailstock :
Plummer Block (Pedastal 8earing)
Machine Vice !
Tool Head of Shaping Maclplne
Petrol Engine Piston I
I.c. Engine Connecting Ro
Syllabus,
Computer Aided Machi!ne Drawing
( Common to Me Lip 11mi a~ I Ma I Mil Ae )
Sub Code : 06me36
Hours I Week: 04
Total Hours : 52
Ia Marks,l. : 25
Exam Hours: 03
Exam Marks: 100
1. Introduction to Computer Aided Sketching
” Review of Graphic Interface of the Software. L1eview of Basic Sketching Commands and
Navig~tiona.1co~mands. Starting a New Drawi~g Sheet. Sheet Sizes. Naming a Drawing.
Drawmg Units, Gnd and Snap. I 2 Hours
Part a !
, Unit -1. Sections of Solids: ‘ !
Sections of Pyramids, Prisms, Cubes, Tetrariedrons, Cones and Cylinders Resting Only
On Their Bases (No Problems on, Axis Inclinations, Spheres and Hollow Solids) 4 Hours
Orthographic Views: ‘
Convers Ion.of Pictorial Views Into Orthographic Projections of Simple Machine Parts With
Section. (Bureau of Indian Standards Conventions Are to Be Followed for the Drawings)
Hidden Line Conventions. Precedence of Lines. 4 Hours
Unit -2. Thread Forms:
Thread Terminclogy, Sectional Views of Threads. Iso Metric (Internal & External), Bsw
(Internal & External), Square, Acme and Seliers Thread, American Standard Thread.
Fasteners:
Hexagonal Headed Bolt and Nut With Washer (Assembly), Square Headed Bolt and Nut With
Washer (Assemly) Simple Assembly Using Stud Bolts With Nut and Lock Nut. Flanged Nut,
Slotted Nut, Taper and Split Pin for Locking. 90unter Sunk Head Screw, Grub Screw. Allen
Screw. I a.hours
Unit -3. Keys & Joints: , :
Parallel, Taper, Feather Key, Woodruff Key:
Riveted Joints:
Single and Double Riveted Lap Joints, Butt Joints With Single/double Cover Straps (Chain
And Zigzag Using Snap Head Rivets).
Colter Joint (Socket and Spigot). Knuckle Joint (Pin Joint) for Two Rods. 8 Hours
Unit -4. Couplings:
Split Muff Coupling, Protected Type Flange Coupling. Pin Type Flexible Coupling, Oldham’s
Coupling and Universal Coupling.’ 8 Hours
Assembly Drawings .
(Part Drawings ~hould Be Given)
1. Plummer Block (Pedastal Bearing)
2. Petrol Engine Piston
3. I.c. Engine Connecting Rod
4. Screw Jack (Bottle Type)
5. Tailstock of Lathe
6. Machine Vice
7. Tool Head of Shaper 18 Hours
• Text Books:
1. ‘a Primer on Computer Aided Mahine Drawirhg-200t, Published by Vtu, Belgaum.
2. ‘machine Drawing’, N,d.bhat & V.m.panchai, Published by Charotar Publishing House, I 999.
3. ‘machine Drawing’, N.slddeshwar, P.kannaih, V.v.s. Sastrl, Published by Tata Mc.grawhill,
2006. !’. .
Reference Book :
1. “a Text Book of Computeraided Machine Drawing”, S. Trymbakaa Murthy, Cbs Publishers,
New Delhi, 2007. .
2. ‘machine Drawing’, K.r. Gopala Krishna, Subhaah Publication.
3. ‘machine Drawirtg With Auto Cad’, Goutarri Pohit & Goutam Ghosh, 1st Indian Print Pearson
Education, 2005.
4. ‘auto Cap 2006, Icr Engineers and Designers’. Sham Tickoo, Dream Tech 2005
Note:
Internal Assessment: 25 Marks
All the Sheets Should Be Drawn in the Class Using Software. Sheet Sizes Should. Be A3/a4.
All Sheets Must Be Submitted at the End of the Class by Taking Printouts.
Scheme of Examination:
Two Questions to Be Set From Each Part-a, Part-b and Part-c.
Stude.nt Has to Answer One Question Each From Part-a and Part-b for 20 Marks Each and One
Question From Part-c for 60 Marks. – .
Part-a 1×20
Part-b 1×20
Part-c1x60
Total
= 20 Marks
= 20 Marks
= 60 Marks
= 100 Marks
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The Unzip Password : books-world.net

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