Machine Drawing

Principles of Drawing 41

dharm
d:\N-Design\Des2-1.pm5 Seventh Print

2.8 Identify the size and location dimensions in Fig. 2.58.

2.9 Explain the meaning of the notes in Fig. 2.59.

2.10 The drawings in Fig. 2.60 are not dimensioned properly. Correct them according to standards.

2.11 Indicate the correct and incorrect methods of sectioning of machine elements represented in

Fig. 2.61.

DIA 10 C’BORE DIA 15

DEEP 5

DIA 10 CSK

DIA 15

Fig. 2.58 Fig. 2.59

80

30 20

20

4

30 DIA

60

f

40

f

DIA 25

A

20 R

SQ 20

SQ 20

20 f 40

100

40

30

40

10

30

90

50

2–20 DIA HOLES

B

100

60

f

10

100

2°52¢

f

40

D

6

2at45° f (^12) 4 × 30°
45°

C

Fig. 2.60