• Solution for surface burning of mold Nov 16, 2018
    Injection molds are often burned for some reason during production.Depending on the cause of the burn, such as machine, mold, or molding conditions, there are different solution. 1. Mechanical reasons: overheating of the cylinder due to abnormal conditions; or stagnation of the resin due to the nozzle and screw thread.At this time, the nozzle, screw and barrel should be cleaned. 2. The cause of th...
  • 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 ...
  • Mold Introduction Dec 14, 2018
    Mold Definition and Classification Mold is called “Mother of Industry”. It is a processing tool that processes raw materials and gives raw materials a complete configuration and precise size. It is mainly used for efficient and high-volume production of related parts in industrial products. The development of the mold industry has always been valued by the state. According to the National Developm...
  • 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...
  • What is gas-assisted injection molding? Dec 27, 2018
    Gas-assisted injection (modeling) molding, also known as gas injection (shot molding) molding, is a new injection molding process. It is one of the most important developments in the injection molding industry since the advent of reciprocating screw injection machines. Gas-assisted injection molding is an extension of injection molding. It is developed on the basis of injection molding technology ...
  • How to choose the mold steel for mirror polishing? May 20, 2019
    To make high quality mirror polishing on mold (cavity and core inserts, same as below), the requirement of mold surface polishing of mold is high, because this is the most important loop of mold manufacturing.  The surface with roughness and corrugated grain is an abnormal phenomena in mirror polishing of molds. Generally, it is the the mold steel material, the polishing method, or the inject...
  • Advantages of plastic gas-assisted molds Jun 03, 2019
    Today we are going to discuss with the advantages of plastic gas assisted injection mold. 1. Save raw materials, increase plastic utilization rate by up to 50%, reduce molding cycle, and improve certain performance. In the case that the parts can meet the same usage requirements, the use of gas-assisted injection can greatly save plastic raw materials. 2. It can reduce the pressure of the mold by ...
  • What is the push rod demoulding ? Sep 02, 2019
    During the production of injection, some products are not easy to demould.  Therefore, there is a push-rod release mechanism at the time of mold design.  The push rod demoulding device is simple structure, convenient manufacture and replacement, small sliding resistance and flexible demoulding position, and is the most commonly used structural form in the demolding mechanism.  Howev...
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