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目前显示的是 七月, 2020的博文

Standard and non-standard mold base

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Standard and non-standard mold base The difference between standard mold base and non-standard mould base Standard mold base  processing equipments are mainly milling machines, grinding machines and drilling machines. The milling machines and the grinding machines process 6 faces to the specified size. The drilling machines will not require high precision on the mold frame: for example, screw holes, hole holes for drilling holes, and tapping. The basic requirement of a standard formwork is that it requires a smooth mold opening. The smoothness of the mold opening is directly related to the precision of the four guide post holes. Therefore, in general, it is necessary to use a CNC vertical machining center for rapid drilling and then boring to achieve precision. The non-standard mold bas e is based on the above-mentioned standardized mold base, and then finished. The finishing mentioned here refers to the cavity (module frame) required for the other set of molds except for the four guid

How to choose plastic injection molds steel?

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How to choose plastic injection molds steel? How to choose the injection mold steel reasonably is a complicated project, and it is also the key link of the injection mold manufacturing. This is an important task related to the life of the mold and the cost of the injection mold. Generally, the materials used to make plastic injection molds first need to have a certain degree of hardness and abrasion resistance. Second, it should have strength and toughness. Before choosing injection mold steel, we first need to understand the classification of the mold. Molds are usually divided into 5 levels according to their service life: Level 1: The service life of the mold exceeds one million times. Level 2: The service life of the mold is 500,000 to 1 million times. Level 3: The service life of the mold is 300,000 to 500,000 times. Level 4: The service life of the mold is 100,000 to 300,000 times. Level 5: The service life of the mold is less than 100,000 times. In addition, the basic properties