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Injection mold cavity surface processing method which
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Injection mold cavity surface processing method which

Views: 2     Author: Site Editor     Publish Time: 2022-11-14      Origin: Site

Injection mold cavity surface processing method which

The main surface treatment methods of injection mold cavity include sandblasting, polishing, chemical etching, electroplating and fire pattern. In order to achieve the surface effect of different plastic parts, it is usually necessary to do special process treatment on the surface of the injection mold cavity. The following Xiaobian will elaborate on the various processes.


1. Sand blasting process


Definition: A process by which quartz sand is sprayed at high speed onto the surface of an injection mold cavity through air compression to form a frosted surface.


Application scenario: The surface of the sandblasting process is easy to wear off, so it is suitable for some injection products with low surface requirements.


2. Polishing process


Definition: A process by which the surface roughness of a workpiece is reduced mechanically, chemically, or electrochemically to obtain a polished surface.


Application scenario: The surface of injection mold cavity requires mechanical polishing in general, and the superfine grinding polishing process can be used for the surface with high requirements.

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3. Chemical etching treatment technology


Definition: The process of chemically etching the cavity of an injection mold affixed with film to form various forms of grain, with good visual effect and feel.


Application scenario: Can do a variety of injection plastic mold pattern, the more common leather pattern, wood pattern, cloth pattern and so on.


4. Electroplating process


Definition: The process of forming a metal layer with good uniform binding force on the surface of the cavity of an injection mold by means of electrolysis.


Application scenario: It can improve the surface hardness and finish of injection mold cavity. It is suitable for injection molding products whose surface requirements are not particularly high.

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5. Fire pattern processing technology


Definition: A surface treatment process in which the injection mold cavity is produced by EDM processing by adjusting the current. At present, the more commonly used fire pattern standard is VD13400.


Application scenario: The fire pattern is clear and the surface texture is good. It is suitable for injection molding products with high requirements.


The surface quality of plastic products including surface roughness and appearance quality depends mainly on the surface treatment technology of the mold cavity. The mission of Fansstar is to master the core technology of injection molding production, communicate and analyze the technology before mold production with customers from the production needs of finished products, so that the mold delivery time is short, the service life is long, the rapid mass production and the finished product quality is excellent! Have the need of injection mold welcome to contact us!


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