Metal molding method and apparatus

B - Operations – Transporting – 22 – D

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Details

B22D 18/02 (2006.01) B22D 18/08 (2006.01) B22D 35/04 (2006.01)

Patent

CA 2400519

According to the present invention, between the mold-clamping process S1 in which the mold 1 is closed and the injection-pressure increase (solidifying) process S3, the gate-melting process for heating the hot runner 21 to melt the plug (metallic material) of the gate 27, the mold-lubricant coating process for spraying the lubricant onto the wall surface of the cavity 10, and the material-metering process are simultaneously carried out in parallel to each other. Thus, the molding cycle time can be reduced to a great extent.

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