Thinning spinning
In the spinning process, not only change the shape of the blank, but also significantly change (thinning) its wall thickness is called power spinning (also known as thinning spinning).
The short and thick cylindrical blank is set on the mandrel. During the rotation process, a large external force is applied to a small area through the movement of the rotating wheel to produce plastic deformation. Due to the large flow resistance of the spinning metal circumference, it flows along the axial direction with the least resistance and accumulates into a thin-walled long cylinder, so it is called the thinning spinning of the cylinder.
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