Custom Design Of Blow Mold,design Of Blow Mold Manufacturers

Actual Case Analysis of Poor Shrinkage (2) Aug 09, 2019
Today we are continuing to discuss another case for the sink mark, we will show what we would do when we face the sink mark problem. 1. Basic information: ABS Case shrinkage 2. Description: a. Even if the maximum injection pressure is selected for molding, shrinkage will occur in the place where Rib is behind the molded part. b. As shown in picture, the cross-sectional area of the gate...
- plastic case mold
- ABS case mould
- plastic molded part
Annealing of plastic products Aug 09, 2019
The annealing treatment of plastic products refers to the plasticization unevenness of the plastic in the cylinder or the uneven cooling rate of the product in the cavity, which causes the internal stress of the product to cause deformation, cracking and aging of the product in the future. The annealing treatment is carried out indoors, using a hot liquid medium such as hot water, hot minera...
- mold Filling
- plastic mold Filling
- injection molding machine
Injection molding and blow molding Sep 18, 2019
Plastic molding is a process in which a synthetic resin is used to make a final plastic product. Processing methods include: compression molding (molding), extrusion (extrusion), injection molding (injection molding), and blow molding (hollow molding). Let's distinguish between the molding process of injection molding and blow molding. (1) Injection molding: Injection molding is a method in which ...
- Blow Molding
- bottles molding
- Plastic Bucket Mould
What is venting defective of product? Aug 19, 2019
When the injection machine starts to molding，the hot melt plastic flows in the mold cavity and squeezes the air in the mold cavity. If the air cannot be discharged effectively, it will cause venting, and the result will be that the product is short-shot or affects the quality. Under this situation, We need to check the injection speed, the mold temperature, Or add venting groove.
- injection mold
- Plastic mould
- molding
Analysis of the causes of unstable size of injection molded products -1 Aug 23, 2019
The dimensional change of plastic parts is essentially caused by the different shrinkage of plastics. Any change in material temperature, mold, pressure, and production cycle will lead to changes in the size of the part, especially PP, PE, nylon, etc. with higher crystallinity. The main reasons are as follows: 1. Machine side: (1) If the plasticizing capacity is insufficient, a machine with a larg...
- mold Filling
- injection molding machine
- plastic mold Filling
Actual Case Analysis of Poor Shrinkage (3) Aug 23, 2019
Today we are continuing to discuss the 3rd case for the sink mark, we will show what we would do when we face the sink mark problem. 1. Basic information: PC combination transparent block, poor shrinkage 2. Description: there is not enough holding pressure time, but it is easy to cause flash by increasing the injection pressure. 3. Improvement: Increase the holding pressure time (with a pressure o...
- transparent part mold
- PC resin mould
- plastic molded part
What is the different between plastic mould and plastic injection mould? Sep 09, 2019
Plastic mould include injection mould, plastic injection mould is one of plastic mould. Plastic mould is a joint name of compression mould, extrusion mould, injection mould, blow mould and foaming mould. Plastic mould is a tool to manufacture plastic products, it could make plastic products to be more complete and the size more accurate.
- Plastic injection mold
- foaming mould
- extrusion mould
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...
- gas assistant molds
- unscrewing molds
- high cavitation injection molds

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