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ENGINEERING GRAPHICS

By

R.Nathan

Assistant Professor

Department of Mechanical Engineering

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

I - SEMESTER LECTURE NOTES

UNIT – 4

“SECTION OF SOLIDS”

Engineering Graphics GE - 2111

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

SECTION OF SOLIDS

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

SECTION OF SOLIDS

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

CROSS SECTION OF SOLIDS

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

SECTIONING SYMBOLS

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

TERMS & CONVENTIONS

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

TYPES OF SECTIONS

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

METHOD OF HATCHING

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

Engineering Graphics Lecture Notes

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

I - SEMESTER 04.10.2012

TECHINIQUES FOR SECTIONAL VIEWS

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

TYPES FOR SECTIONAL VIEWS – SECTIONAL FRONT VIEW

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

TYPES FOR SECTIONAL VIEWS – SECTIONAL TOP VIEW

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

SECTIONAL VIEW – PARALLEL TO H.P AND PERPENDICULAR TO V.P

A cube of 40 mm sideis cut by a horizontal section plane, parallel to

H.P at a distance of 15 mm from the top end. Draw the sectional top

view and front view

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

SECTIONAL VIEW – INCLINED TO H.P AND PERPENDICULAR TO V.P

A square prism of base side 50 mm and height of axis 80 mm has its

base on H.P, it is cut by a section plane perpendicular to V.P and

inclined to H.P such that it passes through the two opposite corners of

the rectangular face in front. Draw the sectional Top View and Front

View. Find the angle of inclination of the section plane

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

SECTIONAL VIEW – PERPENDICULAR TO H.P AND INCLINED TO V.P

A square prism of base side 40 mm and height 70 mm is resting on its

rectangular face on the ground such that its axis is parallel to H.P &V.P,

it is cut by a section plane perpendicular to H.P &incllined to V.P at an

angle of 45° and passing through a point 10 mm from one of its ends.

Draw the sectional Front View and Top View

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

TRUE SHAPE OF A SECTION

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

PROCEDURE FOR TRUE SHAPE

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES

C.R.ENGINEERING COLLEGEAlagarkovil, Madurai - 625301

EXAMPLE: TRUE SHAPE PROBLEM

A square prism of base side 50 mm and height of axis 80 mm has its

base on H.P, it is cut by a section plane perpendicular to V.P and

inclined to H.P such that it passes through the two opposite corners of

the rectangular face in front. Draw the sectional Top View and Front

View and true shape of the section

Engineering Graphics GE - 2111

I - SEMESTER LECTURE NOTES