technical drawing - rev3

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Technical Drawing

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Page 1: Technical Drawing - rev3
Page 2: Technical Drawing - rev3

Instruments900

300

600

900

450

450

Page 3: Technical Drawing - rev3

Lines

Continuous (Thick)

Continuous (Thin)

Dash

Center Line

Page 4: Technical Drawing - rev3

Tracing of Lines

IncorrectCorrect

×

Page 5: Technical Drawing - rev3

Tracing of Lines

IncorrectCorrect

×

Page 6: Technical Drawing - rev3

Tracing of Lines

IncorrectCorrect

×

Page 7: Technical Drawing - rev3

Tracing of Lines

IncorrectCorrect

×

Page 8: Technical Drawing - rev3

Tracing of Lines

IncorrectCorrect

×

Page 9: Technical Drawing - rev3

Bisect angle

300

Page 10: Technical Drawing - rev3

Bisect angle

Page 11: Technical Drawing - rev3

Bisect angle

Same distance

Page 12: Technical Drawing - rev3

Bisect angle

150

150

Page 13: Technical Drawing - rev3

Regular Polygon

Page 14: Technical Drawing - rev3

Regular Pentagon

• Give AB = 4cm

4cm

Page 15: Technical Drawing - rev3

Regular Pentagon

Radius=4cm Radius=4cm

center

Page 16: Technical Drawing - rev3

Regular Pentagon

Draw a line to connect these two points

Page 17: Technical Drawing - rev3

Regular Pentagon

Center

Radius

Page 18: Technical Drawing - rev3

Regular Pentagon

Draw a line to connect these two points

Draw a line to connect these two points

Page 19: Technical Drawing - rev3

Regular Pentagon

4cm

Page 20: Technical Drawing - rev3

Regular Pentagon

Page 21: Technical Drawing - rev3

Regular Hexagon

• Give AB = 4cm, draw a regular Hexagon

4cm

Page 22: Technical Drawing - rev3

Regular Hexagon

450 450

Page 23: Technical Drawing - rev3

Regular Hexagon

600 600

Page 24: Technical Drawing - rev3

Regular Hexagon

4

6

Page 25: Technical Drawing - rev3

Regular Hexagon

Center

Radius

4

6

Page 26: Technical Drawing - rev3

Regular Hexagon

4cm

4cm

4cm

4cm

4cm

4cm

Page 27: Technical Drawing - rev3

Regular Hexagon

Page 28: Technical Drawing - rev3

Regular Heptagon• Given AB=4cm, draw a regular heptagon

4cm600450

4

6

Page 29: Technical Drawing - rev3

Regular Heptagon

4

6

8

(4)(6)=(6)(8)

Page 30: Technical Drawing - rev3

Regular Heptagon

Bisect(6)(8)

4

6

8

Page 31: Technical Drawing - rev3

Regular Heptagon

4

6

8

7

Page 32: Technical Drawing - rev3

Regular Heptagon

7

A B

Radius = (7)-(A)

Page 33: Technical Drawing - rev3

Regular Heptagon

4cm

AB=4cm

4cm

4cm 4cm

4cm

4cm

Page 34: Technical Drawing - rev3

Regular Heptagon

Page 35: Technical Drawing - rev3

Given Diameter = 8cm, draw a Regular Octagon

Page 36: Technical Drawing - rev3

Regular Octagon

Page 37: Technical Drawing - rev3

Regular Octagon

Radius = 4cm

Page 38: Technical Drawing - rev3

Regular Octagon

Page 39: Technical Drawing - rev3

Regular Octagon

0 1 2 3 4 5 6 7 8

(0 to 8) each section must be equal distance

Page 40: Technical Drawing - rev3

Regular Octagon

0 1 2 3 4 5 6 7 8

Connect these two points

Page 41: Technical Drawing - rev3

Regular Octagon

0 1 2 3 4 5 6 7 8

Line 1 and Line 2 should be parallel to Line 0

Page 42: Technical Drawing - rev3

Regular Octagon

Page 43: Technical Drawing - rev3

Regular OctagonDraw a line to connect these two points

Page 44: Technical Drawing - rev3

Regular OctagonXx cm

Page 45: Technical Drawing - rev3

Regular Octagon

Page 46: Technical Drawing - rev3

Tangent and Circle

R+r

R-r

Page 47: Technical Drawing - rev3

Tangent and CirclePage 32 : Figure 1

Page 48: Technical Drawing - rev3

R=20mm

Page 49: Technical Drawing - rev3

65mm

Page 50: Technical Drawing - rev3

65mm

Page 51: Technical Drawing - rev3

R50 + r20 = 70

Page 52: Technical Drawing - rev3

R50 + r20 = 70

Page 53: Technical Drawing - rev3

R50 + r20 = 70

R=50mm

Page 54: Technical Drawing - rev3

R50 + r20 = 70

Page 55: Technical Drawing - rev3

R50 + r20 = 70

Page 56: Technical Drawing - rev3

R50 + r20 = 70

Page 57: Technical Drawing - rev3

Tangent and CirclePage 32 : Figure 2

12mm

Page 58: Technical Drawing - rev3
Page 59: Technical Drawing - rev3

R=12mm

Page 60: Technical Drawing - rev3

40mm

Page 61: Technical Drawing - rev3

R=12mm

Page 62: Technical Drawing - rev3

R-r = 23mm

Page 63: Technical Drawing - rev3

R=47mm

Page 64: Technical Drawing - rev3
Page 65: Technical Drawing - rev3

R=35mm

Page 66: Technical Drawing - rev3
Page 67: Technical Drawing - rev3
Page 68: Technical Drawing - rev3

Page 32 : Figure 3

5cm

Page 69: Technical Drawing - rev3

R=25mmR=12mm

Page 70: Technical Drawing - rev3

R+R=

65m

m R+R

=52mm

Page 71: Technical Drawing - rev3
Page 72: Technical Drawing - rev3

R=4

0mm

Page 73: Technical Drawing - rev3

R-r=55mmR-r=68mm

Page 74: Technical Drawing - rev3
Page 75: Technical Drawing - rev3

R=80m

m

Page 76: Technical Drawing - rev3
Page 77: Technical Drawing - rev3
Page 78: Technical Drawing - rev3
Page 79: Technical Drawing - rev3

Page 32 : Figure 4

45mm

Page 80: Technical Drawing - rev3

6mm

Page 81: Technical Drawing - rev3

R=6mm

Page 82: Technical Drawing - rev3

R-R=29mm

Page 83: Technical Drawing - rev3

R=35mm

Page 84: Technical Drawing - rev3

Draw a line

Page 85: Technical Drawing - rev3

R=35m

m

Page 86: Technical Drawing - rev3

R+r = 36mm

Page 87: Technical Drawing - rev3

R=30mm

Page 88: Technical Drawing - rev3

Draw a

line

Page 89: Technical Drawing - rev3

R=30mm

Page 90: Technical Drawing - rev3
Page 91: Technical Drawing - rev3

Page 32 : Figure 5

R=22mm

Page 92: Technical Drawing - rev3

75mm

12mm

Page 93: Technical Drawing - rev3

R=12mm

Page 94: Technical Drawing - rev3

10mm

Page 95: Technical Drawing - rev3

R-r =85-22 = 63mm

Page 96: Technical Drawing - rev3

R=85mm

Page 97: Technical Drawing - rev3

R=85mm

Page 98: Technical Drawing - rev3

R-r =55-12=43mm

Page 99: Technical Drawing - rev3

R=55mm

Page 100: Technical Drawing - rev3

Dra

w a

lineD

raw a line

Page 101: Technical Drawing - rev3

R=55mm

Page 102: Technical Drawing - rev3
Page 103: Technical Drawing - rev3
Page 104: Technical Drawing - rev3

Page 32, Figure 6

Length=112mm

Height=25mm

Page 105: Technical Drawing - rev3

10mm

Height = around 140mm

900

Page 106: Technical Drawing - rev3

100mm

Page 107: Technical Drawing - rev3

R=9mm

Page 108: Technical Drawing - rev3

H=8mm

Page 109: Technical Drawing - rev3

R=8mm

Page 110: Technical Drawing - rev3

R=140mm

Page 111: Technical Drawing - rev3

R+r =140+9 = 149mm

Page 112: Technical Drawing - rev3

Draw a line

Page 113: Technical Drawing - rev3

R=140mm

Page 114: Technical Drawing - rev3

R=105mm

Page 115: Technical Drawing - rev3

15mm

Page 116: Technical Drawing - rev3

R-r=105-15=90mm

Page 117: Technical Drawing - rev3

Draw a line

Page 118: Technical Drawing - rev3

R=15mm

Page 119: Technical Drawing - rev3

R=100m

m

Page 120: Technical Drawing - rev3

R-r = 100-6=94mm

Page 121: Technical Drawing - rev3

R+r=105+6=111mm

Page 122: Technical Drawing - rev3

Draw a

line Draw a line

Page 123: Technical Drawing - rev3

R=6mm

Page 124: Technical Drawing - rev3
Page 125: Technical Drawing - rev3
Page 126: Technical Drawing - rev3

Page 32. Figure 7

Page 127: Technical Drawing - rev3

150150

Page 128: Technical Drawing - rev3

45mm

75mmR60m

m

Page 129: Technical Drawing - rev3

D50mmD32mm

Page 130: Technical Drawing - rev3

R40mm + r12.5mm

=52.5mm

Page 131: Technical Drawing - rev3
Page 132: Technical Drawing - rev3

R40mm

Page 133: Technical Drawing - rev3
Page 134: Technical Drawing - rev3

R40m

mR40m

m

R40mm

Page 135: Technical Drawing - rev3
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Page 140: Technical Drawing - rev3