Plastic injection mold common cooling gate

1. Straight-through cooling water gate: the straight-through cooling gate is the most commonly used gate for plastic injection mold, and it is also the most convenient type of cooling for processing. It is commonly used on molds with thinner walls and larger areas, which shows in picture 1.

图片1.png

2. Annular cooling water gate: this cooling water gate is suitable for round inserts parts, where there is ejector pin and plastic material in the insert and cannot be used for cooling methods such as water well spraying, the common structure is shown in picture 2, we shold we should try to avoid the sealing ring being worn and worn by the cutting during assembly.

图片2.png

3. Heat conduction rod type: for some slight cores, conventional water transportation, spraying and water well cooling cannot be used, and heat conduction rods can be used to transfer the heat from the melt to the core, and then the cooling water carry out the heat from the mold, as shown in picture 3, the material of the thermal conductive rod is usually beryllium copper.

图片3.png

4. Baffle board cooling water gate: the baffle board is often used in deep cavity molds, this type of mold has a large core length and absorbs a lot of heat from the plastic melt, but the width or diameter is small and common, the cooling water gate is often unable to go up, and the ideal effect can be achieved by using a baffle board, as shown in picture 4.

图片4.png

5. Cooling pipe type: the cooling pipe is the same as the baffle board for deep cavity molds, or places where the cooling water channel is difficult to reach but has a large amount of heat accumulation, this kind of cooling water gate needs to use a cooling pipe, it is not as pupular as baffle board in normal design, as shown in picture 5.

图片5.png

6. Spiaral baffle board: it is normally used as same cooling pipe and baffle board, but the cooling is better, it needs to add spiral pillar or spiral piece, as shown in picture 6.

图片6.png


Tags: Injection Mold | Injection Mold Supplier | Injection Mold Factory | Mold Factory | Mold Supplier | Injection Molding |
Related News about USM Injection Mold
  • Reasons for making the exhaust system of the injection mold

    Reasons for making the exhaust system of the injection mold

    Feb 28, 2022The gas in the injection mold includes not only the air in the cavity, but also the air in the gate and the decomposition gas generated by the plastic melt, and the steam which caused by plastic in...view
  • Plastic injection mold runner system design points

    Plastic injection mold runner system design points

    Jan 9, 2022When designing the gating system, Firstly, we should consider making the plastic melt fill the cavity with core side quickly to reduce pressure and heat loss; secondly, it should be economically...view
  • Parting surface venting of runner system

    Parting surface venting of runner system

    Mar 10, 2022There are a large amount of gas in the main and sub channel, these gas are discharged through the pull rod (push rod) during injection processing, a part of gas come out from exhaust slot on parting...view
  • The air trapping position in cavity and exhaust method

    The air trapping position in cavity and exhaust method

    Mar 2, 2022The air trapping in cavity is usually in the following places: 1. Thin-wall structure cavity, the end of melt flow; 2. The junction of two or more melts; 3. The last area where the melt in the cavity...view
  • Design principle of plastic injection mold cooling system

    Design principle of plastic injection mold cooling system

    Feb 13, 2022Design principle of cooling system In order to improve the efficiency of the cooling system and make the cavity surface temperature distribution even, the following principles should be followed in...view
  • Plastic molding shrinkage rate

    Plastic molding shrinkage rate

    Dec 30, 2021Plastic parts getting smaller by shrink, due to the temperature decrease during the molding process, and the shrinkage is expressed by the shrinkage rate, it is common plastic shrinkage rates are...view