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The Use of Glass Sandblasting Machine

Is letterpress paper used for printing books?

Letterpress paper is the main paper used in letterpress printing books and magazines.

Analysis of common problems of supermarket anti-theft devices

Understanding the principle and installation precautions of supermarket anti-theft devices can improve the efficiency of supermarket anti-theft devices and prolong the service life of supermarket anti-theft devices.

What are the factors that cause the color difference in plastic mold processing

Plastic mold processing is widely used in the plastic product industry and has a history of development for many years. However, there are still some plastic mold processing manufacturers that have product color difference problems when processing molds, resulting in unqualified products.

Led "ceiling" is constantly raised, and small spacing becomes a fragrant pastry

In recent years, although the market demand of LED display screen industry is still rising significantly, with the increasing diversification and differentiation of market demand, the traditional LED display screen market has become saturated, and some LED screen enterprises have been forced out of the market competition. Therefore, the commercial display market with great potential has attracted the attention of many enterprises.

Injection molding size and injection molding production process

The size of injection molding should not only meet the requirements of use and installation, but also consider the processing and manufacturing of the mold, the performance of the equipment and the flow of raw materials. Strictly control the factors that affect the accuracy of injection molded parts, including the manufacturing accuracy of the mold, plastic components and process conditions. The surface roughness of injection molding is determined by the roughness of the mold surface, so the surface roughness of the mold is one level lower than that of the product, and the requirements are met by grinding and polishing. The injection molded parts will produce cooling shrinkage in the mold cavity, which makes it difficult to take out the injection molded parts. Therefore, in order to facilitate demolding, the design should also consider that the inner and outer surfaces parallel to the demolding direction have sufficient demoulding slopes.

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