The process of manufacturing PET preform injections is characterized by the electrochemical reaction between two metals. This reaction produces a thin coating of another metal, which makes the surface of the mould smooth and provides better finishing. After the injection process, a manufactured PET... read more
The two processing technology of mold products are injection molding and blowing plastic. They each have their own characteristics. Simply put, the blow molding molds use the "injection+blow" method. The molding type is an empty core. The injection mold has the cross section of the port. 1. inject... read more
Unscrewing threads When creating a plastic flip top cap, you have a couple of options when it comes to unthreading the closure threads. First, you can opt for an unscrewing thread, which is more challenging but will not break the integrity of the thread. Second, you can opt for a jump thread, which ... read more
When designing a CAP MOULD, consider how the cap will be unscrewed. The method of unscrewing depends on features of the cap that are not inherent to the product. The unscrewing method must be indicated on the cap drawing. The cap is unscrewed by either a stripper ring, which holds the cap off the co... read more
The main components of a Preform Mould are made of steel S136 or P20. The steel is hardened at a temperature of HRC45-48 by a German vacuum stove. Several machine tools imported from Japan and America are used in the production process. The main feature of a perform mould is its accuracy and precisi... read more
