3/31/2024 0 Comments Tolerancias generales iso 2768 mkIn your case - linear diameter tolerance is larger (+0.2/-0.1 = 0.3) than the allowable circularity deviation (0.2) - the circularity deviation of every ring along that cylinder is not allowed to exceed 0.2, regardless of the diameter size. ISO 2768-K would limit the total permissible circularity deviation to 0.2 mm even if the permissible linear diameter deviation is greater. However, if as you indicate, the 12 mm diameter has an individual tolerance assigned (+0.2/-0.1) then the first part of ISO 2768 (the "m") does not cover this dimension.īut without additional geometric tolerances the "K" would still define the maximum allowable circularity and straightness deviations. Geometrical tolerances may be used even if theįeatures are everywhere at their maximum material (see ISO 8015), general geometrical tolerancesĪpply independently of the actual local size of the According to the principle of independency
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