Laboratoire de Productique, Energétique et Développement Durable, Université Sidi Mohammed Ben Abdellah/Ecole Supérieure de Technologie, BP 2427 Route Imouzzer30000 Fès, Morocco
This work is to study the influence of form deviation on the tolerance analysis of a mechanism. In this case we use the worst case method. We also use the deviation domain. The study is primarily to assess the accumulated tolerances while assuming insignificant form deviations and secondly to integrate these deviations to assess the functional condition which is defined by orientation tolerance.
The objective of this paper is to present the analysis of geometric tolerances of the assembly design with the deviations and clearance method, for this we will study initially the tolerance analysis using the worst case method, in a second step we will integrate statistical Tolerancing approach, and finally we will integrate form deviations of the parts to study the impact of these deviations on the tolerance analysis. To illustrate this process of analysis we used a classic case of assembly and we considered the location tolerance (perpendicularity) and the form tolerance (flatness). Finally, a comparative study between the two statistical methods was illustrated.
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