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CHINA DALIAN JINGHE MOULD&PLASTIC CO., LTD

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DIRECTIONAL PLASTIC DEFORMATION IN EXTRUSION MOLDING

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DIRECTIONAL PLASTIC DEFORMATION IN EXTRUSION MOLDING

Release date:2019-05-09 11:44 Source:http://mjaupanda.com Views:

The structure and mechanical properties of Dalian extrusion moulding material have been improved, the operation is simple and the productivity is high. It can make long rod, deep hole, thin wall and special section parts. It is an important little or no cutting process. Extrusion is mainly used for metal forming, but also for plastic, rubber, graphite and clay billets and other non-metallic forming. A processing method for making various cross-section products or semi-products by continuously passing through the head while being heated and plasticized and pushed forward by the screw.


意甲下注It is the main factor affecting plasticization and product quality. Extruded pipes are generally of low temperature and high viscosity, which is conducive to setting. Refrigeration Line - The cooled and shaped line on the blown film; the farther the refrigeration line is, the slower the cooling rate is, and the film is easily torn across. Pressing is to exert a strong pressure on the metal blank placed in the die cavity, forcing the metal blank to produce directional plastic deformation, extruding from the die hole of the extrusion die, so as to obtain the required cross-section shape.


意甲下注Part of the metal flow direction of the blank is the same as that of the punch, and the other part of the metal flow direction is opposite to that of the punch. Extrusion moulding is flexible, only need to change extrusion tools such as dies, can produce products of different shapes and specifications and varieties on a single equipment. The operation of changing extrusion dies is simple, fast, time-saving and efficient.


Improve the deformability of raw materials. Metal material is in a strong three-dimensional compressive stress state in the extrusion deformation zone, which can give full play to its plasticity and obtain large deformation. The process is simple and the equipment is few. Compared with piercing rolling, pass rolling and other pipe and profile technology, silicon steel: silicon steel is mainly used to make cores of transformers, motors and generators, which is relatively easy to extrude. Because copper and aluminium have good ductility, extrusion oil with oiliness and good sliding property can be selected to avoid using chlorine additives.


Extrusion Molding


Related tags:ExtrusionMolding

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