A hexagonal Prism 0f base side 30mm mm axis length 60mm is resting on HP on one end Of its base corners with solid diagonal through that corner is perpendicular to HP. Draw its Projection and print the length of the diagonal

Univer

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olved

Prof.S.Rajendiran

Engineering Drawing as Per JNTU /Engineering Graphics as per Anna University question in step by step process solved, such explanation is not available In any Text book

X Y

Prof.S.Rajendiran

Draw XY line as shown

X Y

Prof.S.Rajendiran

Draw the hexagon as a top view keeping corner as shown

X Y

Prof.S.Rajendiran

Extend the axis as shown

X Y

60

Prof.S.Rajendiran

Mark height of Prism as shown

X Y

Prof.S.Rajendiran

Draw projectors as shown

Draw front view as shown

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Prof.S.Rajendiran

Draw the diagonal as shown

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a (g)

b c

d

ef

(j)

(h) (i)

(k)(l)

a’ f’ (b’) e’ (c’) d’

i’g’ (h’) k’ (i’) j’

Prof.S.Rajendiran

Name the point as shown

X Y

a (g)

b c

d

ef

(j)

(h) (i)

(k)(l)

a’ f’ (b’) e’ (c’) d’

i’g’ (h’) k’ (i’) j’

a1’f1’ (b1’)

e1’ (c1’)

g1’

j1’

(h1’)i1’

k1’ (i1’)

d1’

Prof.S.Rajendiran

Transfer the diagonal keeping the diagonal perpendicular to HP also corner rest on HP as shown

X Y

a (g)

b c

d

ef

(j)

(h) (i)

(k)(l)

a’ f’ (b’) e’ (c’) d’

i’g’ (h’) k’ (i’) j’

a1’f1’ (b1’)

e1’ (c1’)

g1’

j1’

(h1’)i1’

k1’ (i1’)

d1’

Prof.S.Rajendiran

Draw Vertical projectors as shown

X Y

a (g)

b c

d

ef

(j)

(h) (i)

(k)(l)

a’ f’ (b’) e’ (c’) d’

i’g’ (h’) k’ (i’) j’

a1’f1’ (b1’)

e1’ (c1’)

g1’

j1’

(h1’)i1’

k1’ (i1’)

d1’

Prof.S.Rajendiran

DrawHorizontal projectors as shown

X Y

a (g)

b c

d

ef

(j)

(h) (i)

(k)(l)

a’ f’ (b’) e’ (c’) d’

i’g’ (h’) k’ (i’) j’

a1’f1’ (b1’)

e1’ (c1’)

g1’

j1’

(h1’)i1’

k1’ (i1’)

d1’

Prof.S.Rajendiran

Mark inter section point as shown

X Y

a (g)

b c

d

ef

(j)

(h) (i)

(k)(l)

a’ f’ (b’) e’ (c’) d’

i’g’ (h’) k’ (i’) j’

a1’f1’ (b1’)

e1’ (c1’)

g1’

j1’

(h1’)i1’

k1’ (i1’)

d1’

d1

c1 b1

a1

e1f1l1

j1g1

h1i1

k1

Prof.S.Rajendiran

Join the inter section point including hidden lines to complete the projection as shown naming the points

X Y

a (g)

b c

d

ef

(j)

(h) (i)

(k)(l)

a’ f’ (b’) e’ (c’) d’

i’g’ (h’) k’ (i’) j’

a1’f1’ (b1’)

e1’ (c1’)

g1’

j1’

(h1’)i1’

k1’ (i1’)

d1’

d1

c1 b1

a1

e1f1l1

j1g1

h1i1

k1

Prof.S.Rajendiran

VP

HP

FRONT VIEW

TOP VIEW

ALL DIMENSIONS ARE IN MMSCALE 1:1