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What are the processes for mold processing and forming
Author:
In the process of mold processing.
In the process of mold processing, there are several methods of processing and forming, including plastic molding, die-casting molding, stamping molding, drawing molding, extrusion molding, ordinary forging, etc. What are the specific process methods of these? Below, let me give you a brief introduction.
Stamping forming: Stamping process is a machining method that uses a die to separate or deform materials, thereby obtaining parts. Stamping can obtain parts with complex shapes, high precision, and good surface quality, while also having high productivity and low cost. Stamping can be mainly divided into separation process and forming process. The separation process includes punching, cutting, trimming, and other methods. The forming process includes deep drawing, bending, bulging, flanging, and leveling.
Plastic molding: Plastic molding process is the process of forming powdered or privately flowing plastic into a mold under pressure to obtain the desired shape and size of plastic products. Plastic molding can be divided into molding, extrusion molding, injection molding and other process methods.
Extrusion molding: The extrusion process is to place metal materials in the cavity of the extrusion model, apply strong pressure at one end, and the material deforms under three-dimensional stress, while flowing out from the mold hole at one end to obtain parts of different shapes.
Die casting molding: Die casting process is a process that uses a certain pressure to rapidly inject molten metal into the cavity of the die casting model, and solidifies under pressure to form a casting. According to the relative movement direction between the punch and the material, extrusion can be divided into forward extrusion, reverse extrusion, composite extrusion, and radial extrusion. According to the temperature of the billet, it can be divided into cold extrusion, hot extrusion, and warm extrusion. The shape of extruded parts can be complex, with good accuracy, low surface roughness, good mechanical properties, high material utilization rate (up to 70%), and high productivity
Ordinary die forging: Ordinary die forging includes tender forging and hot forging. Emblem forging can be divided into cold emblem, warm emblem, and hot emblem. The ordinary forging process involves placing heated or unheated metal billets in the mold cavity, and under the action of impact or pressure, the manufacturer's technical personnel use special processes to change the geometric shape of the metal to obtain forgings that are consistent with the cavity.
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