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Mould problems solution

  • Cutlery mould exhaust problem

    In the process of producing plastic disposable cutlery, sometimes will have unfilled parts, air bubbles etc, this is caused by air exhaust.1. The source of air in the injection cutlery mold.(1) The air contained in the gating system and the···

    Oct. 30, 2019
  • The main performance requirements for plastic molds

    1. Heat resistanceWith the emergence of high-speed molding machinery, plastic products production goes faster. Since the molding temperature is generally between 160 ~ 350 ℃, some poor mobility, fast forming speed, forming part of the mold···

    May. 25, 2017
  • Causes of injection moulds rusting and solutions

    The rust of the mould is a relatively easy phenomenon. It not only affects the appearance of the mould, but also directly affects the overall quality of the mould. Therefore, mould rusting is a problem that cannot be ignored. The following ···

    Jul. 22, 2019
  • How to avoid plastic mould deformation

    Plastic molds are an important tool for the production of plastic products. They can give the plastic products a complete configuration and precise size. When the plastic mold is deformed, it will directly affect the quality of the plastic ···

    Nov. 11, 2018
  • Injection mould cooling water leakage fault and its elimination

    Injection mold cooling water leakage is a frequent occurrence, for many reasons, mainly in the following areas.1.Most occur in the mold cooling water pipe joints, if have water leakage, should use tape bind the pipe joint thread, and then t···

    Mar. 06, 2017
  • How to solve the problem with plastic injection moulding—bubbles

    Bubbles (or voids) are a phenomenon in which air bubbles are left inside the molded product. In the case of transparent molded products such as lenses or prisms, bubbles become external appearance defects or defects in the optical character···

    Feb. 22, 2017
  • Mold stripper plate and ejector pin

    Stripper plate is commonly used in plastic mold ejector mechanism, the other is ejector pin. Stripper plate push forward the parts rim when molding, the parts depart from the mold. When should we use stripper plate? It need consider the par···

    Feb. 08, 2017
  • Why there is welding mark on plastic injection products?

    I: Causes: 1-1 the cooling solidification of the front part of molten material1-2the volatilized material is sealed1-3there is mold release agents in cavityII: Links:2-1 using one sprue gate, there is no welding mark as the molten material ···

    Jan. 18, 2017
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