Precise brazing method and tool for copper steel pipe type structural member

The invention provides a precise brazing method and tool for a copper steel pipe type structural part. The precise brazing method comprises the following steps that S1, the inner surface and the outer surface of a copper pipe and the inner surface and the outer surface of a steel pipe are cleaned; s...

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Hauptverfasser: ZHANG LIYUN, ZHONG BOCHONG, ZHU KEXIN, LIU KANG, LI QINGYAN, CHEN QI, ZHANG BONING, ZHANG HAOZHE
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Sprache:chi ; eng
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creator ZHANG LIYUN
ZHONG BOCHONG
ZHU KEXIN
LIU KANG
LI QINGYAN
CHEN QI
ZHANG BONING
ZHANG HAOZHE
description The invention provides a precise brazing method and tool for a copper steel pipe type structural part. The precise brazing method comprises the following steps that S1, the inner surface and the outer surface of a copper pipe and the inner surface and the outer surface of a steel pipe are cleaned; s2, the copper pipe is vertically inserted into the steel pipe along the axis of the steel pipe, brazing filler metal is added, and the copper pipe is fixed through a tool; and S3, the assembled copper pipe and steel pipe are subjected to vacuum brazing to form a weldment. By means of the method and the tool, the assembly gap between the copper pipe and the steel pipe can be filled with the brazing filler metal, the sealing performance of the assembly gap and the connecting strength of the copper pipe and the steel pipe are guaranteed, and the hydraulic strength not smaller than 36 Mpa can be resisted. 本发明提供一种铜钢管型结构件的精密钎焊方法及工装,该精密钎焊方法包括以下步骤:S1、清理铜管和钢管内外表面;S2、将铜管沿钢管轴线竖直插入钢管中,加入钎料,利用工装固定铜管;S3、将装配好的铜管和钢管进行真空钎焊形成焊件。通过上述
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subjects CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
title Precise brazing method and tool for copper steel pipe type structural member
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