• The types of guide columns Feb 22, 2019
    1. According to the direction of guidance, it is divided into: sliding guide column (code SGP), rolling guide column (code SRP). 2, according to the installation method is not the same, divided into: loading and unloading guide column and press-in guide column. 3. The guide columns are classified according to the place of use, and are divided into: guide columns for automobile molds, independent g...
  • What is the effect of mold flow analysis on the mold? Feb 22, 2019
    1. You can know if the part is full. The analysis can also provide other useful information such as the required injection pressure and clamping pressure. 2. You can know if the part has a filling problem. Many filling problems, such as short shots, bubbles and unbalanced filling, can be determined by careful analysis of the filling curve. Mold flow analysis allows you to change the position of th...
  • What is double injection mold?
    What is double injection mold? Mar 02, 2019
    Double Injection Mold, also known as two material molding, 2 shot molding or 2K molding, is a manufacturing process used to produce complicated molded parts from two different materials. Two kinds of plastic materials are injected on the same injection machine, and they are formed twice, but the product is only molded out at once. This injection molding is usually completed by one mold and require...
  • Venting of plastic injection molds Mar 02, 2019
    It is well known that the exhaust of injection mold is a problem that cannot be ignored in the mold design.Mold inner product set in the normal production of gas mainly has the following sources: 1. The feed system and the entities of the air in the cavity. 2. The plastic contains moisture evaporation and water vapor generated at high temperature. 3. The gas produced by plastic decomposition. 4. S...
  • Procedures of Plastic Thermoforming Mar 15, 2019
    The basic process of hot thermoforming is: clamping, heating, molding, cooling, demoulding. Among them, molding is the most important and complex.  Plastic thermoforming is mostly carried out on the moulding machine, which varies greatly with the different methods of thermoforming. Not all kinds of moulding machines are required to complete the above five processes, and it can be chosen accor...
  • Why does the domestic mold industry have been fighting the price war? Mar 15, 2019
    Why the domestic mold industry has been playing the price war?  At present, there are many china tool manufacturer engaged in mold production at home, but the scale is relatively small, the basic model is small workshop, most is  cheap mould, and the content of science and technology is very low.  Small mold enterprises produce products are basically imitation, resulting in more and...
  • Surface Lettering Method for Plastic Mold Mar 21, 2019
    We often see patterns and numbers on plastic parts, and these numbers varies for each part. How to engrave these numbers and patterns on these molds? there are mainly three common methods. 1) The first one is directly engraved on the mold by an engraving machine. This is usually used when the font or pattern is large. Usually this type of font usually has a knife mark on the surface and needs to b...
  • What is Over-Mold? Mar 21, 2019
    When We say "Over-Mold" means the secondary injection molding of the product.  The main product consists of two parts, one refers to the plastic inside, and the other refers to the soft part outside.  At the time of mold manufacturing, a plastic mold, that is, a main hard mold, is first manufactured.  After he cools naturally, he puts it in another pair of molds and re-inserts the m...
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A total of 30 pages

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