• What is insert molding? Jan 28, 2019
    Insert molding metal and plastic together into the molding piece, or insert multiple molding metals or materials together into a single molding piece. Insert molding can be used in cars, cooking utensils, house hold equipment, instruments, equipment, knobs, electrical components and more industrial, insert molding not only reduces the assembly also than the assembly parts and Labour costs, reduce ...
  • WHAT IS POLYPROPYLENE? Jan 28, 2019
    POLYPROPYLENE injection molding we simply say PP injection molding, compared with polypropylene, PP is easier, polypropylene is a thermoplastic polymer material, a wide range of applications.It is produced in a process called chain length polymerization, and it is formed from its monomer propylene.Italian scientists discovered it as early as the 1950s It has the following characteristics; It has h...
  • Injection molding machine common problems and solutions (1) Jan 28, 2019
    1, No mode-locking 1) Check the stroke switch of safety door and repair it. 2) Check the 24V5A power supply in the electric box and change the insurance and power supply box. 3) Check if the valve plug is stuck and clean the valve plug. 4) Check if the I/O board has output and whether the solenoid valve is energized. 5) Check if the hydraulic safety switch is pressed and the mechanical lock lever ...
  • Solution for defects of transparent plastic injection parts Feb 15, 2019
    (1) eliminate the interference of gas and other impurities, and fully dry the plastic. (2) reduce the feed temperature, adjust the feed barrel temperature in stages, and appropriately increase the mold temperature. (3) increase the injection pressure and reduce the injection speed. (4) increase or decrease the preplasticized back pressure, reduce the screw speed. (5) improve the exhaust condition ...
  • Causes of color defects in injection parts Feb 15, 2019
    (1) poor mold finish, mold surface rust, mold exhaust is bad. (2) if the casting system of the mold has defects, the cold feed well should be increased, and the flow passage, polishing mainstream passage, diversion passage and gate should be increased. (3) the material temperature and mold temperature are low, if necessary, local heating method of gate can be used. (4) low processing pressure, slo...
  • Requirements of Thin-wall Injection Molding to Mold Feb 15, 2019
    Speed is one of the key factors for the success of thin-wall injection molding. Rapid filling and high pressure can inject molten thermoplastic material into the mold cavity at high speed, to prevent the gate from freezing. If a standard part fills in two seconds, the mold thickness will be reduced by 25%, and the filling time may be reduced by 50% (saving 1 second in time). When thickness decreas...
  • 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...
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A total of 26 pages

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