Cold extrusion technology of steel sleeve

Cold extrusion technology of steel sleeve

Cold extrusion is a processing method that puts the metal blank in the cold extrusion die cavity and applies pressure to the blank through the punch fixed on the press at room temperature to make the metal blank produce plastic deformation and produce parts. China has been able to cold extrude metals such as lead, tin, aluminum, copper, zinc and their alloys, low carbon steel, medium carbon steel, tool steel, low alloy steel and stainless steel, and even cold extrude bearing steel, high carbon and high aluminum alloy tool steel, high speed steel, etc. with a certain amount of deformation. In terms of extrusion equipment, China has the ability to design and manufacture extrusion presses of various tonnage. In addition to general mechanical press, hydraulic press and cold extrusion press, friction press and high-speed and high-energy equipment are successfully used for cold extrusion production.Get more news about Precision Cold Extrusion,you can vist our website!

Cold extrusion connection of reinforcement refers to the joint formed by inserting the reinforcement to be connected into the extrusion sleeve and extruding the sleeve with extrusion pliers to produce plastic deformation and close compression with the surface of ribbed reinforcement. Compared with the traditional lapping and welding technology, this technology has the advantages of stable and reliable joint quality, no environmental impact, full-time construction, good seismic resistance and low temperature resistance of the joint. The extrusion equipment produced by our factory consists of ultra-high pressure pump station, high-pressure oil pipe, extrusion pliers and die, which jointly complete the extrusion connection.

Cold extrusion technology has the characteristics of accurate size, material saving, high production efficiency, wide application and high strength. It can be divided into five extrusion methods: forward extrusion, reverse extrusion, compound extrusion, radial extrusion and forging. With the development of cold extrusion technology, cold volume die forging is sometimes classified as cold extrusion. Cold extrusion is widely used in mechanical and electrical manufacturing of automobiles, tractors, bearings, telecommunications equipment, instruments, light industries such as bicycles, sewing machines, and national defense industrial systems because of its obvious advantages.


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