Metal Spinning

In metal spinning, a disc of metal is revolved at controlled speeds on a machine similar in design to a machine lathe. Instead of the clamping chuck common on a machine lathe, a wood or metal spinning mandrel is used, the form of which corresponds with the internal contour of the part to be produced. The blank is clamped between spinning mandrel and a follower on the tailstock spindle. The mandrel, blank, and follower are then set in rotation. Spinning tools or spinning rollers are forced against the rotating blank by hand or auxiliary power. Employing a series of axial and radial (swivel) strokes, the blank is spun onto the mandrel causing the metal to flow to the shape of the desired part. KEYWORDS for this process: cylinders flow turning, spinners

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