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What are the factors that affect the die structure?

  • Author:liuweiqiong
  • Source:liuweiqiong
  • Release on :2017-08-31
There are many factors that affect the mold structure and the individual system of the die. It is very complicated: 

1. cavity arrangement. According to the geometric structure features, size accuracy requirements, batch size, die manufacturing difficulty and mold cost, the number of cavities and their arrangement are determined. 

2. determine the parting surface. The location of parting surface is beneficial to die processing, exhaust, demoulding and forming operations, surface quality of plastic parts, etc.. 



3. determine the shape, position and size of the gating system (main runner, runner and gate) and exhaust system (exhaust method, exhaust tank position, size). 

4. selection of ejection way (top rod, pipe jacking, pushing plate and combined ejection) determines the method of undercut treatment and the way of core pulling. 

5. determine the cooling and heating methods and the shape and position of the heating cooling groove and the installation position of the heating element. 

6. according to the die material, strength calculation or experience data, to determine the thickness and shape of the mold parts, shape, structure and all connections, positioning, and guide position. 



7. determine the main molding parts, structural components of the structure.

8. consider the strength of each part of the mold and calculate the working dimension of the molding parts. 

If these problems are solved, the structure of the mold will be solved naturally. At this point, you should draw a sketch of the hand drawn mold structure to prepare for the formal drawing.