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plastic mold venting Before injection molding, there is a large amount of air in the flow path and the cavity. When the melt enters the cavity quickly, it is necessary to discharge the air quickly.In addition, when the melt is solidified…

9 Tips to Make the Mold Buying Process EasierIt can be complicated to buy an injection mold, as there will likely be a lot of back and forth between buyer and contract molder before the final product is settled on. However,…

What is a short shotshort shot in injection molding refers to the phenomenon that the injection material does not fill the mold’s cavity, resulting in incomplete parts. It usually occurs in thin-walled areas or areas away from the gate.For some…

Injection Mold Design GuideInjection Molding Gate Design: 9 Gate Types and How to Choose the Right One Gate design is one of the smallest but most important decisions in plastic injection mold design. The gate type, size, and location directly…

How to choose mould steelThe choice of mould steel is of great importance if the mould is to function effectively.When plastic is molded, due to molecular stretching and shearing, residual stress is left in the product, which causes the product…

Runnerless MoldA runnerless or hot-runner mould system could be considered as an extension of the moulding machine injection unit.In this case，the polymer is kept molten right up to the cavity gate by means of additional heating elements controlled by thermocouples.The…

How to avoid contamination and waste in injection-molding shops?Keeping material cleanThe importance of cleanliness in the plastic mould injection shop is nowhere more apparent than making mouldings free from contamination. Safeguarding the material in the sack is an obvious matter，…

Most injection moulding organizations cannot go to the expense of having a complete reprocessing plant consisting of granulator, mixer/extruder, and die- face or lace cutter. The general arrangement is to have a room in a fairly remote corner of the…