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How to choose mould steel

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 mold

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…

Contamination and waste of injection molding shop

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,…

Structure of Injection Mold

Structure of Injection MoldA mold is made from various parts, including plates, pins, bushings, pillars, ejectors, and many other pieces of equipment that serve a number of purposes.In Figure 1, the locations of the basic items that comprise the mold are…