METHOD FOR MOLDING GREEN SAND CORE

METHOD FOR MOLDING GREEN SAND CORE

PURPOSE:To manufacture a core having the prescribed strength by pressing a sticking rod having the specific construction providing movable piece in green sand in a cavity and adjusting as working. CONSTITUTION:After packing the green sand 87 in the cavity 84, a sticking rod body part 40 and the stic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MAKINO SHUZO
Format: Patent
Sprache:eng
Schlagworte:
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:PURPOSE:To manufacture a core having the prescribed strength by pressing a sticking rod having the specific construction providing movable piece in green sand in a cavity and adjusting as working. CONSTITUTION:After packing the green sand 87 in the cavity 84, a sticking rod body part 40 and the sticking rod 30 providing the movable piece 50 as freely dispersing to this is pressed in the green sand 87. Successively, by working an actuator 70, the movable piece 50 is displaced through a link mechanism 60. By this displacement, the green sand 87 is pressed and compressed. By this method, the green sand core having the prescribed strength regardless of the shape can be manufactured.