Generally, the forming of the bolt head of the Industrial Bolt Factory adopts cold heading plastic processing. Compared with cutting processing, the metal fiber (metal remaining wire) is continuous along the product shape without cutting in the middle, thus improving the strength of the product, especially the mechanical Excellent performance.
Cold heading forming process includes cutting and forming, single-station single-click, double-click cold heading and multi-station automatic cold heading. An automatic cold heading machine performs multi-station processes such as stamping, upsetting, extrusion and diameter reduction in several forming dies.
The processing characteristics of the original blank used by the single-station or multi-station automatic cold heading machine are determined by the size of the bar material with a length of 5-6 meters
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