Device for molding gate valve casting lower die

The invention discloses a device for molding a gate valve casting lower die and relates to the technical field of casting. The device comprises a placement base body composed of a frame structure, a sand filling groove is formed in the upper end face of the placement base body, and positioning pins...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	AI YONGQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CASTING FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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