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...

How should the plastic mold venting system be designed? Mold design has always been an indispensable part of the machinery industry. Plastic molds are tools used in the plastics processing industry to match plastic molding machines, giving plastic products a complete configuration and precise dimensions. Due to the variety of plastics and processing methods, the structure of plastic molding machin...

In the injection mold industry, the design of the structure for plastic products is very important, but if the temperature of the injection mold is not reasonable, no quality products will be produced, especially in the production of POM (polyoxymethylene), PA (nylon). When do PBT and PET (polyester) material, the mold  temperature has a great influence on the plastic part. After reasonable t...

Injection mold cooling water leakage is a frequent occurrence, for many reasons, mainly in the following aspects: 1. The most occurs at the joint of the mold cooling water pipe. If water leakage is found, the sealing tape should be wound around the thread of the pipe joint and then tightened. 2. Due to long-term molding conditions, the waterproof ring inside the mold will be damaged, and the O-sha...

The design of cooling system is very important in injection moulding. This is because only when the plastic parts are cooled and solidified to a certain hardness, can the plastic parts be avoided from deformation due to external force after demoulding.  Because the cooling time accounts for about 70% - 80% of the whole cycling time in moulding, a well-designed cooling system can greatly short...

Bubbles are the phenomenon of small volume or series of pores formed inside the product. A large amount of gas is mixed into the melt and is formed by cooling the melt. 1. Venting system is bad or blocked 2. The cooling system is not setting properly, which makes the material cooling uneven or insufficient. 3. The injection speed is too fast 4. The material temperature is too high, which will caus...

Injection mold cooling line leakage is a common occurrence. There are many reasons, mainly from the following aspects: 1. Most occurs at the joint of the mold cooling lines. If leakage is found, the sealing belt should be wound on the thread of the pipe connector, and then tightened. 2. Due to long-term molding conditions, the o-ring in the mold will be damaged, and the O-shaped o-ring is eas...