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 PDFInfo
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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
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。
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Citations (5)
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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Patent Citations (5)
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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