CN110877165A - 一种焊接、焊缝表层性能改善双热源联合作用方法 - Google Patents

一种焊接、焊缝表层性能改善双热源联合作用方法 Download PDF

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CN110877165A
CN110877165A CN201911160941.0A CN201911160941A CN110877165A CN 110877165 A CN110877165 A CN 110877165A CN 201911160941 A CN201911160941 A CN 201911160941A CN 110877165 A CN110877165 A CN 110877165A
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welding
heat source
performance
heat
seam
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徐娜
杨景轩
张兴芳
韩春花
王玉乔
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Taiyuan University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254After-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laser Beam Processing (AREA)
  • Arc Welding In General (AREA)

Abstract

本发明涉及一种焊接、焊缝表层性能改善双热源联合作用方法。不锈钢、耐磨钢等材料焊接时,由于焊接过程热作用,使得焊缝成分、组织等发生变化,原有的耐腐蚀性能、耐磨性能等下降甚至消失,造成焊缝部位性能与母材不匹配,限制了其应用范围。焊接、焊缝表层性能改善双热源联合作用方法,主要由焊接热源、焊缝表层性能改善热源及焊缝性能改善材料涂覆装置组成。沿焊接方向,焊接热源进行接头的焊接,并形成焊缝。性能改善材料涂覆装置在后,进行材料的涂覆。焊缝表层性能改善热源在后,提供热量将已涂覆的材料进行加热,与焊缝表层进行作用,形成满足要求的焊缝表面层。

Description

一种焊接、焊缝表层性能改善双热源联合作用方法
技术领域:
本发明涉及一种焊接、焊缝表层性能改善双热源联合作用方法。
背景技术:
不锈钢、耐磨钢等材料焊接时,由于焊接过程热作用,使得焊缝成分、组织等发生变化,原有的耐腐蚀性能、耐磨性能等下降甚至消失,造成焊缝部位性能与母材不匹配,限制了其应用范围。为了解决这一问题,发明了焊接、焊缝表层性能改善双热源联合作用方法。
发明内容:
本发明的目的是提供一种焊接、焊缝表层性能改善双热源联合作用方法,了解决不锈钢、耐磨钢等材料焊接后,焊缝位置防腐蚀性能、耐磨损性能下降的问题,进而提供一种焊接、焊缝表层性能改善双热源联合作用方法。
上述的目的通过以下的技术方案实现:
一种焊接、焊缝表层性能改善双热源联合作用方法,其组成包括:焊接热源、焊缝表层性能改善热源和焊缝性能改善材料涂覆装置,该方法包括如下步骤:
(1)沿焊接方向,焊接热源在前,焊接热源进行接头的焊接,并形成焊缝,焊缝性能改善材料涂覆装置在中间,焊缝表层性能改善热源在后,焊接时三者运动速度相同,相对位置不发生变化;
(2)前面热源按照焊接工艺完成焊缝的焊接,形成焊缝后;中间涂覆装置在焊缝表面涂覆性能材料;第二热源将性能材料加热并与焊缝作用,进而改善焊缝性能;
(3)材料涂覆装置涂覆的材料,根据工艺需求确定,可以为固态粉末、粘态软层或薄片装带板等,热源加热所涂覆的材料时,以形成良好稳定性能层为佳,加热方式及能量密度根据工艺需求确定,热源包含但不限于氩弧热、激光、等离子热、电感热等;
(4)性能改善材料涂覆装置在后,进行材料的涂覆。焊缝表层性能改善热源在后,提供热量将已涂覆的材料进行加热,与焊缝表层进行作用,形成满足要求的焊缝表面层,在完成接头焊接的同时,修复了焊接过程受损的焊缝表层耐蚀性、耐磨性等性能,从而提升了焊接接头的使用功能。
本发明的有益效果:
1.本发明解决不锈钢、耐磨钢等材料焊接后,焊缝位置防腐蚀性能、耐磨损性能下降而发明的。焊接、焊缝表层性能改善双热源联合作用方法,主要由焊接热源、焊缝表层性能改善热源及焊缝性能改善材料涂覆装置组成。沿焊接方向,焊接热源进行接头的焊接,并形成焊缝。性能改善材料涂覆装置在后,进行材料的涂覆。焊缝表层性能改善热源在后,提供热量将已涂覆的材料进行加热,与焊缝表层进行作用,形成满足要求的焊缝表面层。
本年发明采用焊接、焊缝表层性能改善双热源联合作用方法焊接不锈钢、耐磨钢等材料时,在完成接头焊接的同时,修复了焊接过程受损的焊缝表层耐蚀性、耐磨性等性能,提升了焊接接头的使用功能。
本发明使用两个热源,前面热源按照焊接工艺完成焊缝的焊接,形成焊缝后,中间涂覆装置在焊缝表面涂覆性能材料,第二热源将其加热进而改善焊缝性能。采用此方法,使得接头焊接和焊缝性能提升一次性完成,提升了焊接接头的使用功能
附图说明:
附图1是一种焊接、焊缝表层性能改善双热源联合作用方法的原理图。
具体实施方式:
实施例1:
结合图1说明本实施方式,本实施方式的焊接、焊缝表层性能改善双热源联合作用方法主要由焊接热源、焊缝表层性能改善热源及焊缝性能改善材料涂覆装置组成,沿焊接方向,焊接热源在前,焊缝性能改善材料涂覆装置在中间,焊缝表层性能改善热源在后。焊接时三者运动速度相同,相对位置不发生变化。
实施例2:
结合图1说明本实施方式,作用过程中,前面热源按照焊接工艺完成焊缝的焊接,形成焊缝后;中间涂覆装置在焊缝表面涂覆性能材料;第二热源将其加热并与焊缝表层进行作用,进而改善焊缝性能。
实施例3:
结合图1说明本实施方式,材料涂覆装置涂覆的材料,根据工艺需求确定,可以为固态粉末、粘态软层或薄片装带板等,热源加热所涂覆的材料时,以形成良好稳定性能层为佳,加热方式及能量密度根据工艺需求确定,热源一般可选氩弧热、激光、等离子热、电感热等。
实施例4:
试验验证:
1)板材为304-4mm不锈钢,I型对接,焊道长度600mm。
)焊接时采用激光+MIG复合焊接,单面焊双面成形。激光器采用光纤激光器,连续输出模式,光纤直径400um,激光功率3600W,离焦量+2mm,焊接速度,1.0m/min,保护气采用氩气。
)涂覆装置涂覆不锈钢类型粉末,涂覆厚度1-1.5mm,宽度约6mm(保证能完全覆盖焊缝)。
)后热热源采用氩弧热,电流260A,钨极高度2-4mm。
试验结果:采用以上工艺参数对4mm厚304不锈钢进行焊接及后热处理实施过程稳定,焊缝成形美观,试验效果良好。

Claims (1)

1.一种焊接、焊缝表层性能改善双热源联合作用方法,其组成包括:焊接热源、焊缝表层性能改善热源和焊缝性能改善材料涂覆装置,其特征是:该方法包括如下步骤:
(1)沿焊接方向,焊接热源在前,焊接热源进行接头的焊接,并形成焊缝,焊缝性能改善材料涂覆装置在中间,焊缝表层性能改善热源在后,焊接时三者运动速度相同,相对位置不发生变化;
(2)前面热源按照焊接工艺完成焊缝的焊接,形成焊缝后;中间涂覆装置在焊缝表面涂覆性能材料;第二热源将性能材料加热并与焊缝作用,进而改善焊缝性能;
(3)材料涂覆装置涂覆的材料,根据工艺需求确定,可以为固态粉末、粘态软层或薄片装带板等,热源加热所涂覆的材料时,以形成良好稳定性能层为佳,加热方式及能量密度根据工艺需求确定,热源包含但不限于氩弧热、激光、等离子热、电感热;
(4)性能改善材料涂覆装置在后,进行材料的涂覆。焊缝表层性能改善热源在后,提供热量将已涂覆的材料进行加热,与焊缝表层进行作用,形成满足要求的焊缝表面层,在完成接头焊接的同时,修复了焊接过程受损的焊缝表层耐蚀性、耐磨性等性能,从而提升了焊接接头的使用功能。
CN201911160941.0A 2019-11-24 2019-11-24 一种焊接、焊缝表层性能改善双热源联合作用方法 Pending CN110877165A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100721A1 (en) * 1982-08-02 1984-02-15 General Electric Company Tri-axis seam tracker for electric arc torch position control
DE102009017874A1 (de) * 2009-04-17 2010-10-21 Welser Profile Ag Nachverzinnen
JP2015093314A (ja) * 2013-11-14 2015-05-18 ダイハツ工業株式会社 防錆鋼板の溶接方法
CN109746584A (zh) * 2019-03-21 2019-05-14 风范绿色建筑(常熟)有限公司 一种钢结构焊接防锈工艺
CN110170723A (zh) * 2019-06-21 2019-08-27 上海交通大学 一种双热源同步送丝、送粉的焊接方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100721A1 (en) * 1982-08-02 1984-02-15 General Electric Company Tri-axis seam tracker for electric arc torch position control
DE102009017874A1 (de) * 2009-04-17 2010-10-21 Welser Profile Ag Nachverzinnen
JP2015093314A (ja) * 2013-11-14 2015-05-18 ダイハツ工業株式会社 防錆鋼板の溶接方法
CN109746584A (zh) * 2019-03-21 2019-05-14 风范绿色建筑(常熟)有限公司 一种钢结构焊接防锈工艺
CN110170723A (zh) * 2019-06-21 2019-08-27 上海交通大学 一种双热源同步送丝、送粉的焊接方法

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Application publication date: 20200313