• Ten principles of mold design for P/L (2) Dec 11, 2018
    Let’s go on from last article about discussing the  principles of mold design for P/L. 6. Good to demoulding The mold release mechanism of the general mold is in the movable mold, so the product should be left in the movable mold as much as possible when selecting the parting surface. Therefore, for some places where it is possible to stick to the fixed mold, we often add a fixed mold assiste...
  • Factors affecting the quality of die polishing Dec 11, 2018
    Since mechanical polishing is mainly completed manually, polishing technology is still the main reason affecting the quality of polishing.In addition, it is also related to mold material, surface condition before polishing, heat treatment process and so on. High quality steel is the prerequisite to obtain good polishing quality, if the surface hardness of steel is uneven or there are differences i...
  • DRAFT ANGEL Dec 11, 2018
    Draft Angle 1 、Proper decolleting Angle can avoid product scratching.The demolding slope of smooth surface should be more than 0.5 degree, fine grain (sand) surface is greater than 1 degree, rough grain surface is greater than 1.5 degree. 2 、Proper ejection Angle can avoid product jacking, such as stress mark, top deformation, broken. 3、 In order to ensure that the core of the mould is not out of ...
  • Basic Design Principles for Gas Assisted Injection Mold(1) Dec 14, 2018
    Today we are going to discuss basic design principles for gas assisted injection mold 1. When designing, first consider which wall thickness needs to be hollowed out, which surface shrinkage needs to be eliminated, and then consider how to connect these parts into the airway. 2. Large structural parts: full thinning, partial thickening for the airway. 3. The airway should be evenly distributed to ...
  • The Toughness of Mold Steel Dec 20, 2018
    During the working process, the mold is subjected to impact load. In order to reduce the damage of breakage or chipping during working, the mold steel is required to have certain toughness. There are many factors to influence the toughness of mold steel, like: the chemical composition, grain size, purity, carbide, inclusions of the mold steel, the heat treatment system; also the metallographic str...
  • Basic Design Principles for Gas Assisted Injection Mold(2) Dec 20, 2018
    Today we will go on to discuss the basic design principles for gas assisted injection mold 11. Accurate cavity size is very important. 12. The symmetrical cooling of various areas of the product is very important. 13. When using gate inlets, the balance of flow is important for uniform of gas penetration. 14. The exact amount of injection is very important, and the Injection volume error should no...
  • 10 factors that influence the quality of injection mold Dec 20, 2018
    Mold manufacturing is a complex process, from the design, processing, assembly, debugging and other steps, to the final actual use. In the whole life cycle, the factors affecting the quality of mold mainly have the following 10 aspects. 1. Mold steel is the decisive factor of mold quality thus the choice of reasonable steel is the top priority. 2. Reasonable mold structure can effectively extend t...
  • Design and Manufacturing Elements of Blow Molds Dec 26, 2018
     The design and manufacture of blow molds with fast cycle times and long life is required for the development of the blow molding industry.     The factors that determine the efficiency of the mold are: 1. Material 2. Cooling  3. Venting Material     The material from which the mold is made must have high thermal conductivity and sufficient cutting edge strength. Curr...
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A total of 21 pages

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