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Check whether there is any foreign matter in the hopper. No items are allowed to be stored above the hopper. The cover of the hopper should be covered to prevent dust and debris from falling into the hopper.

Due to the development of the plastics and plastic molding industry, the quality requirements for plastic molds are becoming higher and higher. Therefore, the failure of plastic molds and their influencing factors have become an important research topic.

Plastic injection molding is a molding method of injection and molding. Its equipment is called plastic injection molding machine, or injection molding machine for short. Plastic injection molding machine is the main molding equipment that makes thermoplastic and thermosetting plastics into various plastic products. Ordinary plastic injection molding machine refers to the most widely used horizontal,

The commonly used methods for processing thermoplastics include extrusion, injection molding, calendering, blow molding and thermoforming. The processing of thermosetting plastics generally uses compression molding, transfer molding, and injection molding

In the plastic processing industry, it is matched with plastic molding machines to give plastic products a complete configuration and precise size tools. Due to the wide variety of plastics and processing methods, and the complex and simple structures of plastic molding machines and plastic products, the types and structures of plastic molds are also diverse.

The injection molding machine is a special equipment that combines the thermal processing characteristics of plastics and the principle of metal melting and die casting. The first plunger injection molding machine, it was not until the end of the 1940s that a pre-plasticized screw injection molding machine was developed.

The injection molding machine is a special equipment that combines the thermal processing characteristics of plastics and the principle of metal melting and die casting. The first plunger injection molding machine, it was not until the end of the 1940s that a pre-plasticized screw injection molding machine was developed.

Mould design is an important part of the development process when considering the production of a new moulding. Some considerations are given below.

For an injection molded product, its molding cycle is affected by many factors, such as: filling time, holding time, sol time, mold opening and closing time, but the longest and most important one is cooling. time.

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When it comes to plastic products used for food, beverage, and medicine, quality is critical. This is why leading PET preform manufacturers like Chemco rely heavily on cleanroom facilities, specifically the Class 10,000 standard.

When designing extruded plastic bottles, if the material is high-density polyethylene or polypropylene, the cross-section of the plastic bottle should be rectangular or elliptical. For low-density polyethylene or other flexible plastic bottles, the cross section It is better to use a circle

Preform mould cooling is the very important issue, inefficient cooling will cause PET material crystallized under the high temperature, it will reduce the bottle blowing rate. Low quality cooling also will slow down the production speed. In order to realize the long time cooling effect, Sino Mould innovated with a very special design for most effective cooling solutions, also prevented water channel blocking due to the hard water.