What do you mean by plastic mold? What are the surface polishing methods for plastic mold?

Release time:2023-12-22
What do you mean by plastic mold? What are the surface polishing methods for plastic mold?

What does plastic mold mean?
        Plastic mold is an abbreviation for a combination of molds used for compression, extrusion, injection, blow molding and low-foam molding.

        Following the rapid development of the injection molding industry, a variety of injection mold industry also call for, but just because the industry competition, there is a gap between the quality, such as the degree of polishing gap and so on.
        In the modern industry, most of the molds need to grind and polish, because polishing can make the product beautiful degree increase, appear a class, in the mold polishing processing industry can also make the demoulding more simple, can promote the factory processing, save money.
        Ordinary mold polishing, the user needs plating, plating can greatly improve the mold wear resistance and corrosion resistance, and different levels of detection of the surface of the mold requirements are not the same, then the different levels of detection, plastic mold and the surface of the surface of what kind of polishing treatment?
Shenzhen Ideal Group mold manufacturers to find the six polishing commonly used treatment, share to learn:

Mechanical polishing
        Mechanical polishing is to rely on cutting, plastic deformation of the material surface to remove the convexity of the polished surface and get a smooth surface of the polishing method, the general use of oil stone strips, wool wheels, sandpaper, etc., mainly hand-operated, special parts, such as rotary body surface, can be used to turn the table and other aids, the surface quality of the surface of the requirements of the high can be used to ultra-precision research and polishing methods.
Chemical polishing
        Chemical polishing is to let the material in the chemical medium in the surface microscopic protruding part of the call part of the priority of the dissolution, so as to get a smooth surface. The main advantage of this method is that it does not require complex equipment, can polish complex shaped workpieces, can polish many workpieces at the same time, high efficiency.

Electrolytic polishing
        The basic principle of electrolytic polishing is the same as that of chemical polishing, i.e., it relies on the selective dissolution of tiny protruding parts on the surface of the material to make the surface smooth. Compared with chemical polishing, the effect of cathodic reaction can be eliminated, and the effect is better.
Ultrasonic polishing
        The workpiece is put into the abrasive suspension and placed in the ultrasonic field together, relying on the oscillating effect of ultrasonic waves, so that the abrasive material on the surface of the workpiece grinding and polishing. On the basis of solution corrosion, electrolysis, and then apply ultrasonic tagging stirring solution, so that the surface of the workpiece dissolution product detachment, the surface near the corrosion or electrolyte uniform: ultrasonic cavitation in the liquid can also inhibit the corrosion process, and is conducive to the surface of the surface of the light high.
Fluid polishing
        Fluid polishing is to rely on high-speed flow of liquid and the abrasive particles carried in the brush workpiece surface to achieve the purpose of polishing. Commonly used methods are: abrasive jet processing, liquid jet processing, fluid power grinding. Fluid power grinding is driven by hydraulic pressure, so that the liquid medium carrying abrasive particles of high-speed reciprocating flow over the surface of the workpiece. Individual quality is mainly used in the lower pressure flow through the good special compounds (polymer-like substances and mixed with abrasives made of abrasive can be used in silicon carbide powder.
Magnetic Polishing
        Magnetic grinding and polishing is the use of magnetic abrasives in the magnetic field under the action of the formation of abrasive brushes, grinding and processing of the workpiece. This method has high processing efficiency, good quality, easy to control the processing conditions, good working conditions

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