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    gas assistance Child safety seat injection mold

    gas assistance Child safety seat injection mold gas assistance Child safety seat injection mold gas assistance Child safety seat injection mold

    Product name:gas assistance Child safety seat injection mold

    Item:IM058

    Price:Nego

    Details:

     The gas assist injection moulding theories:
    • After mould closing, the plastic is injected to fill or nearly fill the mould cavity.
    • After a selected time delay, first phase is gas injected.
    • Second phase gas penetration to compensate for volumetric shrinkage of the plastic as it cools.
    • A uniform gas pressure is applied throughout the plastic.
    • Gas is exhausted to atmosphere or for recovery before mould opens.
    • Plastic refill commences after the nozzle valve is closed or after the plastic feed gate has solidified.

    Gas Assist injection moulding typical applications:

    • The gas flows into the path of least resistance in the thicker sections where the plastic interior is still in a molten state.
    • Gas Assist injection moulding is normally applicable for components in which there are thick and thin sections.

    Gas Assist injection moulding advantages

    • Elimination of sink marks.
    • Avoidance of plastic packing from the moulding machine.
    • Reduced in-mould pressures by up to 60%, and therefore reduced press lock forces enabling larger
    • The use of the gas injection moulding as a means of transmitting pressure uniformly throughout the moulding.
    • mouldings on much smaller machines.
    • Reduced power consumption.
    • Reduced moulded in stress, and therefore improved dimensional stability with no distortion.

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