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During the processing of cold extrusion press , the following problems may occur: 1. the mold problem Mold wear: Due to the large friction between the metal blank and the die during cold extrusion, it is easy to cause die wear. Mold wear will affect the dimensional accuracy and surface quality of parts, reducing the service life of the mold. Mold rupture: During the cold extrusion process, the mold is subjected to tremendous pressure, and if the mold is not strong enough or the design is not reasonable, it is easy to rupture. A cracked mold will not only damage the equipment, but also affect the production schedule. Elastic deformation of the mold: When the mold is subjected to greater pressure, elastic deformation may occur. The elastic deformation of the mold will lead to a decrease in the dimensional accuracy of the part, which will affect the product quality. cold extrusion press process 2. the quality of parts Surface quality problems: The surface of cold-extruded parts ma

Hydraulic forging press is an important metal processing equipment that applies pressure to plastically deform metal materials to obtain the desired shape and properties. As a leading supplier of cold, warm and hot forging press, GOODSJACK/DELISHI Hydraulic Machinery offer you everything from a single source.The forging process can not only improve the strength and toughness of the material, but also improve its internal structure, making it more suitable for bearing various mechanical loads in automobile operation. hydraulic forging press ○ Classification of Forging Methods Forging methods are mainly divided into three types: hot forging, warm forging and cold forging. Hot forging is carried out above the recrystallization temperature of the metal material and is suitable for the manufacture of large and complex parts, such as automobile engine crankshafts and connecting rods. Warm forging is carried out under conditions slightly below the recrystallization temperature and is su

The IGBT heat sink cold forging extrusion press is a specialized machine used in the manufacturing process of IGBT (Insulated Gate Bipolar Transistor) heat sinks. IGBT Heat Sink Cold Forging Extrusion Press of Delishi/Goodsjack Hydraulic Machinery, is specially designed and made for forming in one punch.Cold forging is a metal forming process that involves shaping metal at room temperature using compressive forces. IGBT Heat Sink Cold Forging Extrusion Press Features of Delishi/Goodsjack IGBT Heat Sink Cold Forging Extrusion Press The use of a servo control system guarantee us to save 50-70% energy compared to a standard press. Pressure stability,pressure error ±1bar,repeatable positioning accuracy up to±0.02mm. Low failure rate,automatic alarm and fault indication,one-button reset function. Remote maintenance service can be realized. Can set up multi-stage pressure, multi-speed and contiouns fixed-pressure function. Adopting an integral frame structure, high strength, low di

Cold forging press  is used for making small components from ductile materials. Impact extrusion process is shown in Fig. Impact extrusion of material is accomplished where the work blank is placed in position over the die opening the punch forces the blank through the die opening causing material to flow plastically around the punch. The outside diameter of the tube is same as diameter of the die, and the thickness is controlled by the clearance between punch and die.  Introduction to Metal Cold Forging Press Forming Gears, connecting rods, aluminum vacuum cups, jewelry and other items can be seen everywhere in our daily lives and powerful industries, most of which come from the cold extrusion process. The normal temperature metal blank is placed into the mold and processed by high-pressure cold extrusion using a press. The product undergoes embossing, forming, deformation and other processes according to the shape of the mold. Main Products of Metal Cold Forging Press Common cold ext