• Auto injection mold manufacturers china

    Product name auto part mold Product Material PA66+30%GF Injection molding machine 600T Mold base P20 738H Runner ColdSprue Cavity 1*1 This is a cold sprue injection mold for auto part mold and the materiaL is PA66+30%GF.This big guy have 4 big slides and one smail inside the big one. HSmold can guarantee a mold life of at least 300,000 PCS. Our factory is equipped with various size of injection machine ranging in tonnage from 55 tons to 610 tons and shot capacities ranging from 1.3 oz to 80 oz. We can meet any of your custom injection molding needs using different types of plastics including ABS, PC, PP, Nylong and so on. We produce custom injection molded finished products and parts for direct shipment to oversea end customers  We produce standard and custom plastic products for various industries including Automotive, House hold application, Medical and more.  HS MOLD is a manufacturer of thermoplastic injection molding services…

  • Top 10 Tooling engineer interview questions 

    Below is a list of general questions to ask during the interview of tooling engineer job in China.  What kind of questions you may meet in your area? What kind of answers do you have for below questions?Welcome for discussion! Answers to be followed!   What steel you use most frequently? What is the difference between NAK80 and S136? If cavity steel is H13, what material shall be used for lifter, why? What is the machining process of plastic injection mold? What causes flash in plastic injection molded parts? What causes void in molding plastic parts? How to solve part sticking to slide issue? What is the function of cooling? What are your biggest strengths? Why we hire you?

    Industry news February 3, 2020
  • Part design guidelines on double injection molding

    In this article, we will show you from three aspects to be taken into consideration when designing plastic parts for double injection molding so we can save our customers time and money in the long run.   Mechanical structure     Surface Contact Adhesion is depending on materials compatibility, process temperatures, surface contact area, molding sequence and designing of mechanical interlock systems. If design not allows enough contact surface area, Tooling can make up like Make-up 1 : Increase expose surface byincreasingroughness. Make-up 2 : Employ interlock Wall Thickness Utilize 2nd shot to get more uniform wallthickness  Reinforce the 1st  and 2nd shot(transparent) by structure design such as “H” section etc. Thin but high rib in 2nd short. First shot thicker than 2nd shot. 2nd shot should be as thin as possiblewhen flow and weld line is not a issue. In MP case, 1st shot 0.6mm, 2nd shot 0.6mm was made Avoid sharpcorner Make…

    Mold design January 10, 2020


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