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During machining, the tool path is defined with respect to the workpiece reference frame. The workpiece's boundary surfaces have form deviations, and the geometry and the position of the locators are imperfect. The resulting misalignment produces geometrical errors in the features machined on the workpiece.The main purpose of this work is to investigate how the geometric errors of a machined surface...
This work considers how deviation on fixturing elements propagate on location tolerance of a holes’ pattern. The 3-2-1 locating principle has been adopted. The position of each locator is represented by a Gaussian probability density function and, consequently, the probability the holes pattern falls inside the location tolerance, centred around each hole nominal position, is estimated as the product...
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