Abstract
The three-dimensional distribution of temperature, thermal deformation, and thermal stress in a workpiece during table traverse cross-feed surface grinding is computed numerically, and the effects on the dimensional accuracy, the holding force of the magnetic chuck, and the grinding cracks in the workpiece are discussed. The temperature distribution is calculated by a finite-difference method, and the distribution of thermal deformation and thermal stress is determined by a numerical method developed from the relaxation method. From the results of the analysis, it is clear that the deformation of workpieces cannot be disregarded when considering dimensional accuracy, and that the magnetic chuck is not sufficient to counteract the thermal bending of the workpiece.
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