Shaping device for inner wall of air duct of axial flow fan

The invention relates to the technical field of fans, and discloses a shaping device for the inner wall of the air duct of an axial flow fan. The shaping device comprises a base, a kidney-shaped sinking groove and an air duct placement block are formed on the base, a step through hole is formed in t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XU SHUYING, XU GANGEN, GONG SAINAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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