Heading Die First Punch

Heading Die First Punch

The purpose of metal solid deformation is to apply pressure or cold drawing by means of metal plasticity and cold mechanics. (Basic Definition) Forging method of thickening the top of bar or wire at room temperature.

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Cold heading: The purpose of metal solid deformation is to apply pressure or cold drawing by means of metal plasticity and cold mechanics. (Basic Definition)


Forging method of thickening the top of bar or wire at room temperature. Cold heading is mainly used to manufacture bolts, nuts, nails, rivets and steel balls. Forging billet materials can be copper, aluminium, carbon steel, alloy steel, stainless steel and titanium alloy, etc., material utilization rate can reach 80-90%. Cold upsetting is mostly carried out on special cold upsetting machines, so that continuous, multi-station and automatic production can be realized. In cold heading machine, cutting, upsetting, accumulation, forming, chamfering, twisting, shrinkage and trimming can be completed sequentially. High production efficiency, up to 300 pieces per minute, the maximum diameter of cold heading workpiece is 48 mm. The sketch of cold heading bolt process is a typical process of cold heading bolt. Multi-position nut automatic cold heading machine is multi-position nut automatic cold heading machine. The bar is automatically fed into a certain length by the feeding mechanism, and cut into blanks by the cutting mechanism. Then, the clamp conveyor is sent to the accumulating and pressing positions in turn for forming. Chinese style


Cold heading refers to the stamping of raw materials at room temperature. Hot heading refers to the stamping of raw materials after heating. There is no special requirement for the specific use. In general, cold heading is required because of the surface finish, the structure of materials will be more compact, and hot heading is often used for larger workpieces. Work. Forging head, also known as hot pier, burns the head red and extrudes it.

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