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.
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.
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.
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.
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.
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.
The common fixing method of angle pin
May 10, 2024The angle pin is a common part of the drive slider, and the fixing and installation methods as following: 1. Pass through the mold plate directly and press the angle pin with the top plate to fix it,...viewSeveral common process of water-assisted injection molding introduction
May 24, 2022According to the design of the injection molding machine and the casting system, the corresponding melt-returning process of water-assisted injection molding can be roughly divided into two types: the...viewConformal cooing channel of plastic injection mold
Feb 23, 2022The conformal cooling gate is a new type of mold cooling gate based on 3D printing technolog, because of its processing characteristics, the conformal cooling gate can fit the shape of the product...viewSlider of side core pulling mechanisum assembling
Jul 21, 2022The picture 1 shows a typical guide pin driven slider parting and core-pulling mechanism, we will talk about the composition and function of the lateral core-pulling mechanism. 1. Lateral forming...viewWhat is the side parting and core pulling mechanisms with their function?
May 31, 2022When there are holes, cavities or cores on the inside or outside of the injection-molded plastic parts that are different from the opening and closing directions of the mold, the plastic parts cannot...viewDesign principles of plastic injection mold runner system
Jan 6, 20221. Quality first The design of the gating system has a big influence on part quality, firstly the gate should be set at the easiest part of the plastic part to be removed, and at the same time, the...view