Statistical Tolerances

  • Ken Stout


Most engineering assemblies rely on an interchangeability of component parts, achieved by placing tolerances on individual dimensions. When the designer selects tolerances he does so by choosing from BS4500 for the class of fit he requires (clearance, transitional or interference) and selects the grade based on the functional requirements of the component and precision of manufacture envisaged. In doing this, he argues that the parts must fit together satisfactorily even when the dimensions are at their most unfavourable extremes.


Statistical Tolerance Past Practice Tolerance Allocation Tolerance Specification Individual Tolerance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. Mansoor E. M. “The Application of Probability to Tolerances used in Engineering Design.” Proc. Instit. Mech. Eng Vol. 178, No. 1, pp. 29–51, (1963–64)CrossRefGoogle Scholar

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© Ken Stout 1985

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  • Ken Stout

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