• 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...
  • 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...
  • Undercut in Plastic Mold Mar 29, 2019
    In some plastic products, there are undercuts. If it is a small undercut, and the requirements of shape and size accuracy are low, or the plastic material has sufficient plastic deformation and toughness, the parts can be ejected/ demoulded by force.  According to the different structures and requirements of plastic parts, the slider and lifter mechanisms is adopted to solve the problems in m...
  • The Effect of Plastic Mold Prototype Part Mar 29, 2019
    "Prototype Part" is often heard in the mold industry. It means one or a set of products processed by machine.It has two types, one is ordinary plastic part, the other is 3D printing. Ordinary plastic part refers to the processing of the plastic block directly on the machine. This kind of product is usually not large. If the part is large, the processed plastic parts need to be glued together with ...
  • Importance of adjusting the plastic injection mold temperature Mar 29, 2019
    In the injection mold industry, the design of the structure for plastic products is very important, but if the temperature of the injection mold is not reasonable, no quality products will be produced, especially in the production of POM (polyoxymethylene), PA (nylon). When do PBT and PET (polyester) material, the mold  temperature has a great influence on the plastic part. After reasonable t...
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