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Metal forming includes various processes and types such as casting, forging, extrusion, rolling, drawing, stamping, cutting, powder metallurgy, etc. Among them, the forming mold refers to a tool that injects or pressurizes molten liquid metal with formability or fluidity into a designated mold during the forming process of metal products, so as to transform the metal into a designated shape. Molds have specific contours or cavity shapes, and the application of cavity shapes can enable metal materials to obtain corresponding three-dimensional shapes. Usually, molds consist of movable molds and fixed molds. When the mold is assembled, liquid metal is injected into the mold cavity to form, and the workpiece can be removed during separation.
Weiyu can provide customers with high-quality, full specification special customized materials such as gray cast iron, ductile iron, high silicon molybdenum ductile iron, and equal temperature quenched ductile iron (ADI).
Extrusion dies can form metals precisely and quickly, especially for soft metals. For example, in the aluminum forming process, a strong pressure is applied to the aluminum placed in the mold cavity, forcing the aluminum to deform and extrude from the die hole of the extrusion die, to obtain the parts or semi-finished products with request cross-sectional shape or size.
Die casting is a method of forming and solidifying under pressure to obtain castings. Die casting mold refers to a tool that holds molten metal under high speed, high pressure, and allows the metal to be filled and formed in the die casting cavity. Die casting has the advantages of high product precision, good cleanliness of surface, long life of die casting molds, high equipment performance, and saving post-machining and materials.
Gravity casting is a historical casting process. Molten metal is poured into a metal mold under gravity and cooled to form. Gravity casting molds are usually made of cast iron, carbon steel, graphite, copper or aluminum alloy, depending on the type of metal to be casted.
Molding is made of molding sand and core sand. During the sand casting process, molten metal is poured into the molding under gravity, and it will be cooled and formed without high pressure. After pouring and metal solidifying, open the mold and remove the sand from the hot casting, a sand casting is finished.
Refer to the die used in the forging process of small and medium metal parts. Through external force, metal material has plastic deformation in forging die, and then becomes the part in specific shape.
Forging die design determines the forming quality of precision metal parts. It is necessary to choose die material carefully, with heat treatment, advanced machining technology, to ensure the surface quality and precision of the die in the cavity.
At room temperature, pressure is applied to the material from a die mounted on the equipment, causing it in separation or plastic deformation, and then parts are finished.
The maintenance of the mold determines the molding quality of the mold. Through experienced engineers to repair the mold wear, which can reduce the defect rate and prolong the service life of the mold.
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