Projection of Circular plane step by Step Process

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Transcript of Projection of Circular plane step by Step Process

A circular plate of negligible thickness and 50 mm diameter appears as an ellipse in the front view, having its major axis 50 mm long and minor axis 30 mm long. Draw its top view when the major axis of the ellipse is horizontal.

Ashoka Institution

Draw XY line as shown

X Y

Draw a circle as shown

50 Ø

X Y

X Y

50 Ø

Draw Top view as shown

X Y

50 Ø

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

Name the Point as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø Draw Projectors as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø Name the points as shown

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30

Draw a line as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30

Draw a line as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30

Transfer the top view as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

Transfer the points on the top view as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

Draw Projector as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

Draw Projector as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

Mark the intersection points as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

Join the points as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

Mark the points as shown

1 1’

111’

121’

2 1’

3 1’ 4 1

5 1’

6 1’

8 1’

9 1’

101’

7 1’

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

Re draw the front view as shown as shown

1 1’

111’

121’

2 1’

3 1’ 4 1

5 1’

6 1’

8 1’

9 1’

101’

7 1’

11’121’ 21’31’

41’

51’61’81’

91’

71’

101’

111’

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

1 1’

111’

121’

2 1’

3 1’ 4 1

5 1’

6 1’

8 1’

9 1’

101’

7 1’

11’121’ 21’31’

41’

51’61’81’

91’

71’

101’

111’

Draw the Projector as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

1 1’

111’

121’

2 1’

3 1’ 4 1

5 1’

6 1’

8 1’

9 1’

101’

7 1’

11’121’ 21’31’

41’

51’61’81’

91’

71’

101’

111’

11’ 21’

31’

41’

51’

61’71’81’

91’

101’

111’

121’

Mark the inter section Point as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

1 1’

111’

121’

2 1’

3 1’ 4 1

5 1’

6 1’

8 1’

9 1’

101’

7 1’

11’121’ 21’31’

41’

51’61’81’

91’

71’

101’

111’

11’ 21’

31’

41’

51’

61’71’81’

91’

101’

111’

121’

Join the points as shown

X Y

1’

2’

3’4’

5’

6’

7’

8’

9’10’

11’

12’

50 Ø

1 2, 12

3, 11

4, 10

5, 9

6, 8

7

30 12, 12

3, 11

4, 10

5, 9

6, 8

7

1 1’

111’

121’

2 1’

3 1’ 4 1

5 1’

6 1’

8 1’

9 1’

101’

7 1’

11’121’ 21’31’

41’

51’61’81’

91’

71’

101’

111’

11’ 21’

31’

41’

51’

61’71’81’

91’

101’

111’

121’

Front view

Top viewScale 1:1All Dimensions are mm