ISO 10303-214:2010(E)

Figure — Arrowleft Figure — Clause 4 Figure — Arrowright

4.2.313 Limits_and_fits

A Limits_and_fits contains the necessary information to express a tolerance of the limits-and-fits system standardized by ISO 286 [5][6].

The data associated with a Limits_and_fits are the following:

4.2.313.1 deviation

The deviation specifies the enumeration of limits and fits class descriptors by characters.

NOTE The characters 'A' to 'ZC' for holes or 'a' to 'zc' for shafts may be used for deviation.

4.2.313.2 fitting_type

The fitting_type specifies whether the tolerance declaration applies to a shaft or to a hole.

NOTE The characters 'H' for hole and 'S' for shaft fitting_type may be used according to ISO 286-1.

The fitting_type need not be specified for a particular Limits_and_fits.

4.2.313.3 grade

The grade specifies the quality or the accuracy grade of a tolerance.

NOTE The grade is based on the international standard tolerance grades IT01 to IT18.



© ISO 2010 — All rights reserved