A thread rolling machine, also known as a screw rolling machine, is primarily used to form threads on the outer surfaces of cylindrical metal workpieces such as screws and bolts. Its operating principle involves placing the workpiece between two thread rolling plates featuring specific tooth profiles. Under applied pressure, the tooth profiles of the rolling plates form threads on the workpiece surface. Compared to traditional turning processes, this method offers higher efficiency, making it the preferred choice for mass-producing threaded fasteners.
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