solution(orthographic projection)1

Prof. Krishna Jonnalagadda

ME 119: ENGINEERING DRAWING 1.ORTHOGRAPHIC PROJECTION (SOLUTION)

PROBLEM 1: Draw the front view, top view and a suitable side view of the object given below. The arrow indicate the direction from which the front view should be observed.

STEP 1

x

First of all observe the isometric object given to you. Draw the projection lines and complete the front view.

FRONT VIEW

Y

STEP 2

Transfer those projection lines from front view to top view and draw the top view.

x

TOP VIEW

Y

STEP 3

Transfer the projection lines from front view and top view to the side view and complete the right hand side view.

L. H. SIDE VIEW

x

Y

STEP 4

45

25

45

20

70

20

40

20

x

Y

40 70

At last, don’t forget to give the dimensions to appropriate sides. This gives us the required three views of the given isometric object

90

PROBLEM 2: Draw the front view, top view and a suitable side view of the object given below. The arrow indicate the direction from which the front view should be observed.

STEP 1

x

First of all observe the isometric object given to you. Draw the projection lines and complete the front view.

FRONT VIEW

Y

STEP 2

Transfer those projection lines from front view to top view and draw the top view.

x

TOP VIEW

Y

STEP 3

x

Transfer the projection lines from front view and top view to the side view and complete the right hand side view.

L. H. SIDE VIEW

Y

30

75

25

25

STEP 4

15

30

15

20

20

Y

20

x

90

At last, don’t forget to give the dimensions to appropriate sides. This gives us the required three views of the given isometric object

PROBLEM 3: Draw the front view, top view and a suitable side view of the object given below. The arrow indicate the direction from which the front view should be observed.

STEP 1

x

First of all observe the isometric object given to you. Draw the projection lines and complete the front view.

FRONT VIEW

Y

STEP 2

Transfer those projection lines from front view to top view and draw the top view.

x

TOP VIEW

Y

STEP 3

x

Transfer the projection lines from front view and top view to the side view and complete the right hand side view.

L. H. SIDE VIEW

Y

25

50

75

STEP 4

15

20

60

20

20

x

Y 15

30 At last, don’t forget to give the dimensions to appropriate sides. This gives us the required three views of the given isometric object

PROBLEM 4: Draw the front view, top view and a suitable side view of the object given below. The arrow indicate the direction from which the front view should be observed.

STEP 1

x

First of all observe the isometric object given to you. Draw the projection lines and complete the front view.

FRONT VIEW

Y

STEP 2

Transfer those projection lines from front view to top view and draw the top view.

x

TOP VIEW

Y

STEP 3

x

Transfer the projection lines from front view and top view to the side view and complete the right hand side view.

L. H. SIDE VIEW

Y

10 10

50

50

STEP 4

15

50

80

x

Y 15

30

15 At last, don’t forget to give the dimensions to appropriate sides. This gives us the required three views of the given isometric object

PROBLEM 5: Draw the front view, top view and a suitable side view of the object given below. The arrow indicate the direction from which the front view should be observed.

STEP 1

x

First of all observe the isometric object given to you. Draw the projection lines and complete the front view.

FRONT VIEW

Y

STEP 2

x

Transfer those projection lines from front view to top view and draw the top view.

TOP VIEW

Y

STEP 3

x

Transfer the projection lines from front view and top view to the side view and complete the right hand side view.

L. H. SIDE VIEW

Y

55

55

STEP 4

20

20

70

90

x

Y

35

10 10

25

At last, don’t forget to give the dimensions to appropriate sides. This gives us the required three views of the given isometric object

20