Machine Drawing

236 Machine Drawing

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d:\N-Design\Des15-2.pm5

4. Cylindricity tolerance

0.1

Permissible

non-cylindricity 0.2

5. Parallelism tolerance

0.01D

D

Permissible

non-parallelism 0.01

6. Perpendicularity tolerance

A

^ 0.08A

90°±30

¢

Permissible

perpendicularity 5¢

7. Angularity tolerance

A

40°

Ð0.08A

40°±1°

Permissible

equiangularity 30¢

8. Concentricity and coaxiality tolerance

f0.01A

A

0.005

(Contd.)