Method of manufacturing low-melting point metal cores

Details Method of manufacturing low-melting point metal cores Method of manufacturing low-melting point metal cores

1996-07-24

1998-11-17

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164119, B22D 1804, B22D 2300

Patent

active

058363700

ABSTRACT:
A method of manufacturing a low melting-point metal core is provided, which consists of fitting a loose piece 6 having a built-in heater 5 in a mold 4, casting molten metal by pushing it up from a furnace into the cavity of the mold 4 to fill it, keeping the mold in a filled state for a given time, and stopping the casting step at a time at which the molten metal at the central part of the cavity is still unsolidified, so as to have the unsolidified molten metal fall freely into the furnace.

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