Sand core structure of engine body and engine body structure made of sand core

The invention discloses an engine body sand core structure and an engine body structure made of the sand core. A truss core head structure with bottom inserting, middle reversing and top pressing and an assembling technology are adopted. And the long and narrow truss core can be accurately and stabl...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU QIHUA, NI YUNQIANG, CHEN GUOQING, WANG CHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CASTING FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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