Transcript Document 7554801

ENGINEERING GRAPHICS
By
R.Nathan
Assistant Professor
Department of Mechanical Engineering
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
UNIT – 2
“PROJECTION OF POINTS”
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
QUADRANT
H.P
V.P
H.P – HORIZONTAL PLANE
I - SEMESTER
V.P – VERTICAL PLANE
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
1ST - QUADRANT
ABOVE H.P & INFRONT OF V.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
2ND - QUADRANT
ABOVE H.P & BEHIND V.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
3RD - QUADRANT
BELOW H.P & BEHIND V.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
4TH - QUADRANT
BELOW H.P & INFRONT OF V.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS
A POINT MAY BE SITUATED IN
1. ANY ONE OF THE FOUR QUADRANTS
2. ANY ONE OF THE TWO PLANES
3. BOTH THE PLANES (ie: ON THE XY LINE)
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS
A POINT MAY BE SITUATED IN
1. ANY ONE OF THE FOUR QUADRANTS
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I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS
A POINT MAY BE SITUATED IN
1. ANY ONE OF THE TWO PLANES
●
●
●
●
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS
A POINT MAY BE SITUATED IN
1. BOTH THE PLANES (ie: on the XY Line)
●
●
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF A POINT SITUATED IN 1ST - QUADRANT
Front View - above XY line
Top View - below XY line
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF A POINT SITUATED IN 2nd - QUADRANT
Front View - above XY line
Top View - above XY line
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF A POINT SITUATED In 3rd - QUADRANT
Front View - below XY line
Top View - above XY line
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF A POINT SITUATED In 4th - QUADRANT
Front View - below XY line
Top View - below XY line
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS
A POINT MAY BE SITUATED IN
1. ANY ONE OF THE TWO PLANES
●
●
●
●
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS LIES ON H.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS LIES ON V.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
PROJECTION OF POINTS SITUATED IN BOTH THE PLANES
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
EXAMPLE:DRAW THE PROJECTIONS OF THE FOLLOWING POINTS ON THE SAME
REFERENCE LINE
(1) A IN THE H.P AND 20 mm INFRONT THE V.P
(2) C IN THE V.P AND 30 mm ABOVE H.P
(3) B IN BOTH V.P AND H.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012
Engineering Graphics
Lecture Notes
ANNA UNIVERSITY QUESTIONS
YEAR – JAN 2010 – R2008
Draw the projection of the following points on a common reference line.
(1) A, on H.P and 35 mm behind V.P
(2) B, 5 mm below H.P and 40 mm in front of V.P
(3) C, 25 mm above H.P and on V.P
YEAR – JAN 2010 – R2007
Mark the projections of the following points on a common reference lines.
(1) A, 35 mm behind to V.P and 20 mm below the H.P
(2) B, 30 mm in front of the V.P and 30 mm above the H.P
(3) C, 40 mm behind the V.P and 10 mm above the H.P
(4) D, 45 mm below the H.P and in the V.P
(5) E, 35 mm behind the V.P and in the H.P
I - SEMESTER
C.R.ENGINEERING COLLEGE
Alagarkovil, Madurai - 625301
04.10.2012