2015-08-21
243
| Dimensions in mm | Quality grades | |||||||||||
| Over 3 to 5 | 2.5 | |||||||||||
| Over 6 to 10 | 2.5 | |||||||||||
| Over 10 to 18 | ||||||||||||
| Over 18 to 30 | ||||||||||||
| Over 30 to 50 | ||||||||||||
| Over 50 to 80 | ||||||||||||
| Over 80 to 120 | ||||||||||||
| Over 120 to 180 | ||||||||||||
| Over 180 to 250 |
Possible errors of surface dispositions are non-perpendicularity relative to a base, misalignment, non-symmetry, non-parallelism.
For shafts it is necessary to use total tolerances that take into account tolerance of shape and tolerance of surface disposition: radial run-out that allows for non-rounding and misalignment and end-play that takes into account non-flatting and non-perpendicularity.
The magnitude of radial run-out 
depends upon the peripheral speed and is determined according to table 14.3.
The magnitudes of end play may be found according to table 14.4.
Table 14.3
