Category: plastic mold company

PET preform molding technology In the preform molding process, the best conditions is the possible low temperature, the possible short cycle time, evenly and completely melted, the possible less IV and AA , transparent possibly. Process condition related is: Temperature It refers to the barrel temperature in the injection machine and the hot runner temperature…

10 points on hot runner selection Typically, before selecting the hot runner system  for paint bucket mould, we must  have a full understanding for the following 10 factors to select a proper hotrunner system: product design. Product design is usually the first stage to be completed, and its ultimate stage is finished by the hot runner system. In order to…

How to pack jar pet prefrom mold? Jar PET preform mold is widely used to make the pet jar preform,but how to pack this kind of mold is a problem for most of us,and the following is some tips to deal with this: the preform mold cavity is coated with anti-rust oil spray.  the movement components…

4 main PCO28MM PET prefrom mold injection problems PET preform bottom whiting: main reason is insufficient hot runner temperature or material temperature is not high enough, it can use something to have a better insulation, get the nozzle temperature increased, an appropriate increasing material temperature and speed up injection speed while reducing the packing pressure,…

How to deal with transparent plastic material PMMA,PC and PET injection molding Due to their high light transmittance, the requirement for transparent plastic surface need to be strict, it can not has any markings, voids, whitening, black spots, discoloration, poor gloss and other defects. Thus the whole injection molding process for raw materials, equipment, molds,…

To ensure strength and rigidity ,but without increase the wall thickness of the plastic parts ,we could add some reinforcing ribs on the appropriate parts area , which not only avoid deformation of plastic parts , in some cases , but also improve plastic melt movement of plastic molding .In order to increase the strength and…

[ezcol_1half] When a final component is actually cooled off, it ought to be demolded and remove from the mold cavity. An ejector pin, often known as a knockout pin, can be described as tool generally employed for component ejection. When a final component cools down, it contracts with level based on the shrinking percentage of…

[ezcol_1half] Frequently, understanding the reason of a problem might assist polisher stay away from making mistakes. Nonetheless a number of troubles are over the manipulate of the polisher. On these circumstances, comprehending the appropriate treatments may facilitate the treatment. This next reveals many of the most typical problems experienced by finishers and recommends a few…