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.

TWO DAY NATIONAL WORKSHOP

ONENGINEERING GRAPHICS

January 22nd & 23rd 2010

Department of Mechanical engineering,

Sri Venkateswara college of Engineering and technology,

CHITTOOR 

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Our Sincere Thanks to

1. R. Meenakshi Reddy, Associate Professor, SVCET, Chittoor.

2. G. Narasimha reddy, Assistant Professor, SVCET, Chittoor.

3. T. Madhava Suresh, Assistant Professor, SVCET, Chittoor.

4. P. Mallikarjuna Rao, Assistant Professor, SVCET, Chittoor.

5. K. Pavan Kumar, Assistant Professor, SVCET, Chittoor.

6. B. Venkata Ramana Naik, Asst. Professor, SVCET, Chittoor.

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For Expert advice and Guidance:

• Prof. P. Kannaiah, Dean, SSITS, Rayachoti.

e-mail: ssitsprl@rediffmail.com

Cell: 9396644304

2. Prof. K.L.Narayana, Director (R&D), SVCET, Chittoor.

e-mail: nkopparapu@gmail.com

Cell: 9701424925

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ENGINEERING

DRAWING

- Prof. D. Krishna Mohan Raju, HOD, SVCET, Chittoor.

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DRAWING IS AN IMPORTANT COMMUNICATOR BETWEEN MINDS

RELATED TO MATERIALISTIC PRODUCTS.

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IMPORTANCE OF DRAWING IN ENGINEERING

FIELD

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IMPORTANCE OF DRAWING TO TECHNICIANS

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IMPORTANCE OF DRAWING TO MANAGEMENT

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IMPORTANCE OF DRAWING TO CUSTOMERS

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IMPORTANCE OF DRAWING IN CREATION AND

CREATIVITY

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APPLICATIONS OF DRAWING

INVARIOUS ENGINEERING FIELDS

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MECHANICAL ENGINEERING

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CIVIL ENGINEERING

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IMPORTANCE OF STANDARDIZATIONIN DRAWING

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THE VARIOUS STAGES OF DRAWING

UTILIZATION IN CONVERTING THECONCEPT INTO COMMERCIAL PRODUCT

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1. CONCEPTUAL IDEAS CREATION TO SATISFYA PARTICULAR NEED

2. REFINEMENT OF IDEAS

3. DESIGN

4. DRAFTING AND DETAILING

5. ASSEMBLY DRAWING

6. STAGE BY STAGE MANUFACTURING

DRAWING

7. STAGE BY STAGE INSPECTION DRAWING

8. IMPORTANCE OF DRAWING IN

ADVERTISEMENT AND EDUCATING THE

CUSTOMERS

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CONCEPTUAL IDEAS CREATION TO SATISFY A

PARTICULAR NEED

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REFINEMENT OF IDEAS

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DESIGN

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DRAFTING AND DETAILING

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ASSEMBLY DRAWING

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STAGE BY STAGE MANUFACTURING DRAWING

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STAGE BY STAGE INSPECTION DRAWING

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IMPORTANCE OF DRAWING

IN ADVERTISEMENT AND EDUCATING THE

CUSTOMERS

Fig: How to make noodles

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INTRODUCTION - PRINCIPLES -

ORTHOGRAPHICS

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PRINCIPLES

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Tables of lines and their applications

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Stages in obtaining a sectional view

Method of obtaining a

half sectional view

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Preferred hatching angles

Hatching of adjacent

components

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Hatching interrupted for 

dimensioning

Dimensioning where the

shape is best shown

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Placing dimensions outside the view

Placing dimensions from the visible

outlines

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 Avoiding crossing of dimension

lines

Different methods of 

dimensioning a length

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Use of dots for dimensioning

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 Avoiding gap between feature and

projection line Crossing of centre lines

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Un broken dimension lineProportions of an arrow head

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Dimensioning  – Aligned system

 Angular dimensions- Aligned

system

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Dimensioning-Uni-directional

system Angular dimensions-Uni-

directional system

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Shape identification symbols

Dimensioning of 

diameters

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ORTHOGRAPHICS

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Principal planes of projection

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Method of obtaining front view  –First

angle projection

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Method of obtaining top view  –

First angle projection

Method of obtaining left view

 –First angle projection

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Presentation of views-First angle projection

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Directions to obtain various views

Relative positions of views-First angle

projection

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One view drawing

Two view drawing

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Three view drawing