Manufacturing and processing method of D-type copper pipe

The invention discloses a producing method for a D-shaped copper tube, comprising: fusion casting, heating, extrusion pressing, final finishing, acid washing, examining, head making, drafting, straightening, cropping, washing, final finishing, examining, and storing; wherein the extrusion pressing p...

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Bibliographische Detailangaben
Hauptverfasser:	WANG HUAXING, LIU HAITAO, GUO HUIWEN, SU DONGDONG, ZHAO WANHUA, WANG XINTAI, FEI BO, YANG SHENGQUAN, YANG HAILI, CAO LI, BA BIN, DING SHUNDE, SUN LIXIN, CHEN YAOWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses a producing method for a D-shaped copper tube, comprising: fusion casting, heating, extrusion pressing, final finishing, acid washing, examining, head making, drafting, straightening, cropping, washing, final finishing, examining, and storing; wherein the extrusion pressing process and drafting process are: replacing extrusion pressing and drafting process in the processingof circular copper tubes in prior art with extrusion pressing and drafting of D-shaped tubes with analogical transitivity and termination product drafting. D-shaped tubes are not-exclusively symmetrical tubes with strict technical index, and the production thereof is difficult. The invented method solves the technique problem in prior art and the D-shaped tubes are not dependent on importation.