Abstract
This study aims at modeling the geometrical distortion induced by the heat flux generated after several drilling (D), reaming (R) and tapping operations (T). The thermal expansion over the time is estimated with the modeling of heat fluxes induced step by step during a sequence. The paper presents a method to identify heat fluxes induced into an AlSi7 aluminium workpiece during either a drilling, a reaming, or a tapping operation. These identifications have been performed with different diameters and shapes of tools using minimum quantity lubrication (MQL). A thin part having 22 holes has been manufactured by D+R+T. Its geometry has been controlled and the values have been compared with the values predicted by the model.
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