KR20170086643A - Zn계 도금 강판의 아크 용접 방법 및 아크 용접 이음매 - Google Patents
Zn계 도금 강판의 아크 용접 방법 및 아크 용접 이음매 Download PDFInfo
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- C22C18/00—Alloys based on zinc
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- B23K2103/00—Materials to be soldered, welded or cut
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Abstract
Description
도 2는 용접 부위를 모식적으로 나타내는 도면이다.
도 3은 실시예에서의 판 사이 갭과 블로홀 점유율의 관계를 나타내는 도면이다.
도 4는 용접부의 배면측에 형성되는 뒤쪽 비드를 모식적으로 나타내는 도면이다.
2 제2 피용접 부재
3 돌기
4 판 사이의 갭
5 시단부
6 중앙부
7 종단부
8 조립체
Claims (8)
- Zn계 도금 강판의 아크 용접 방법에 있어서,
판 사이의 갭이 0.2~1.5㎜의 범위로 설정되고,
상기 강판이 용접 접합되는 중첩부를 따라서 용접 수단을 이동시켜 용접이 이루어지며,
상기 용접 수단을 용접 개시점으로부터 제1 용접 속도로 이동하고, 제1 용접 입열을 부여하여 용접을 실시하는 제1 공정과,
상기 제1 공정에 이어서, 상기 용접 수단을 제2 용접 속도로 이동하고, 제2 용접 입열을 부여하여 용접을 실시하는 제2 공정과,
상기 제2 공정에 이어서, 상기 용접 수단의 이동을 정지하고, 그 정지 위치에서 0.1~2초간 용접을 실시하는 제3 공정을 포함하며,
상기 제1 공정은, 상기 제1 용접 속도가 상기 제2 용접 속도 미만이며, 또한 상기 제1 용접 입열이 상기 제2 용접 입열을 초과하는 조건으로 용접이 이루어지는 용접부를 포함하고,
상기 제3 공정은, 상기 제2 공정보다 낮은 용접 전류 및 용접 전압으로 용접이 이루어지는, Zn계 도금 강판의 아크 용접 방법. - 제1항에 있어서,
상기 제1 공정 후의 용접부인 시단부는, 전체 용접 길이의 10~40%의 영역이고, 상기 제3 공정 후의 용접부인 종단부는, 전체 용접 길이의 10~20%의 영역인, Zn계 도금 강판의 아크 용접 방법. - 제1항 또는 제2항에 있어서,
상기 제1 공정은, 상기 중첩부의 일방의 단부로부터 용접을 개시하고, 다른 일방의 단부를 향해서 용접이 이루어지며, 상기 제1 공정에서의 용접 입열은 상기 제2 공정에서의 용접 입열의 1.2배를 초과하는 열량인, Zn계 도금 강판의 아크 용접 방법. - 제1항 또는 제2항에 있어서,
상기 제1 공정은, 상기 중첩부의 일방의 단부보다 안쪽에 위치하는 용접 개시점으로부터 상기 단부를 향해서 용접이 이루어지고, 그 후, 반전하여 상기 단부로부터 다른 일방의 단부를 향해서 용접이 이루어지는 것으로,
상기 일방의 단부를 향하는 용접은, 그 용접 속도가 상기 제2 공정의 용접 속도 미만이고, 또한, 그 용접 입열이 상기 제2 용접 입열의 1.2배를 초과하여 이루어지며,
상기 다른 일방의 단부를 향하는 용접은, 상기 제2 용접 속도와 동일한 용접 속도로 실시되는, Zn계 도금 강판의 아크 용접 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
전체 용접 길이에 걸친 블로홀 점유율이 30% 미만인, Zn계 도금 강판의 아크 용접 방법. - 제1항 내지 제5항 중 어느 한 항에 있어서,
상기 Zn계 도금 강판은, 질량%로, Al:4.0~22.0%, Mg:0.05~10.0%, Ti:0~0.10%, B:0~0.05%, Si:0~2.0%, Fe:0~2.5%를 포함하고, 잔부 Zn 및 불가피한 불순물로 이루어지는 용융 도금층을 가지는, Zn계 도금 강판의 아크 용접 방법. - 제1항 내지 제6항 중 어느 한 항에 있어서,
상기 Zn계 도금 강판은, 한쪽 면당 도금 부착량이 20~250g/㎡이고, 판 두께가 1.6~6.0㎜인, 아크 용접 방법. - 제1항 내지 제7항 중 어느 한 항에 기재된 아크 용접 방법에 의해 형성되는 아크 용접 이음매로서, 전체 용접 길이에 걸친 블로홀 점유율이 30% 미만인, 아크 용접 이음매.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2014-240402 | 2014-11-27 | ||
| JP2014240402A JP6023156B2 (ja) | 2014-11-27 | 2014-11-27 | Zn系めっき鋼板のアーク溶接方法 |
| PCT/JP2015/071744 WO2016084423A1 (ja) | 2014-11-27 | 2015-07-31 | Zn系めっき鋼板のアーク溶接方法およびアーク溶接継手 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020177033618A Division KR101994255B1 (ko) | 2014-11-27 | 2015-07-31 | Zn계 도금 강판의 아크 용접 이음매 |
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| Publication Number | Publication Date |
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| KR20170086643A true KR20170086643A (ko) | 2017-07-26 |
| KR101849058B1 KR101849058B1 (ko) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020177017501A Expired - Fee Related KR101849058B1 (ko) | 2014-11-27 | 2015-07-31 | Zn계 도금 강판의 아크 용접 방법 및 아크 용접 이음매 |
| KR1020177033618A Active KR101994255B1 (ko) | 2014-11-27 | 2015-07-31 | Zn계 도금 강판의 아크 용접 이음매 |
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| KR1020177033618A Active KR101994255B1 (ko) | 2014-11-27 | 2015-07-31 | Zn계 도금 강판의 아크 용접 이음매 |
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| US (2) | US10518351B2 (ko) |
| EP (2) | EP3225346B1 (ko) |
| JP (1) | JP6023156B2 (ko) |
| KR (2) | KR101849058B1 (ko) |
| CN (2) | CN107107244B (ko) |
| AU (2) | AU2015351713B9 (ko) |
| BR (2) | BR112017011011B1 (ko) |
| CA (2) | CA2985236C (ko) |
| MX (1) | MX363441B (ko) |
| MY (1) | MY167712A (ko) |
| NZ (1) | NZ732155A (ko) |
| PH (2) | PH12017500945A1 (ko) |
| RU (2) | RU2654226C1 (ko) |
| SG (2) | SG11201704173VA (ko) |
| TW (2) | TWI622447B (ko) |
| WO (1) | WO2016084423A1 (ko) |
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| JP6114785B2 (ja) * | 2015-05-29 | 2017-04-12 | 日新製鋼株式会社 | 溶接部外観と溶接強度に優れた溶融Zn系めっき鋼板のアーク溶接方法、および溶接部材の製造方法 |
| KR102020515B1 (ko) | 2016-12-23 | 2019-09-11 | 주식회사 포스코 | 용접부 내기공성 및 피로 특성이 우수한 도금강판 용접부재 및 이의 제조 방법 |
| WO2018155492A1 (ja) | 2017-02-22 | 2018-08-30 | 日新製鋼株式会社 | レーザろう付け方法および重ね継手部材の製造方法 |
| JP6996547B2 (ja) | 2017-02-22 | 2022-01-17 | 日本製鉄株式会社 | Migろう付け方法、重ね継手部材の製造方法、および重ね継手部材 |
| KR102119964B1 (ko) | 2018-10-29 | 2020-06-05 | 주식회사 포스코 | 아연 도금강판의 겹치기 용접방법 |
| US20230082468A1 (en) * | 2020-02-26 | 2023-03-16 | Nippon Steel Corporation | T-joint, building structure, and method of manufacturing t-joint |
| JP7598791B2 (ja) | 2021-03-15 | 2024-12-12 | 日産自動車株式会社 | 重ね溶接継手構造及びサスペンションメンバー |
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| JP5450293B2 (ja) * | 2010-07-01 | 2014-03-26 | 株式会社神戸製鋼所 | すみ肉溶接継手およびガスシールドアーク溶接方法 |
| JP2012081514A (ja) | 2010-10-14 | 2012-04-26 | Nippon Steel Corp | 亜鉛めっき鋼板の隅肉アーク溶接方法 |
| CN102029464A (zh) * | 2010-12-30 | 2011-04-27 | 马国红 | 一种热镀锌薄板对接焊接方法 |
| JP5372217B2 (ja) | 2012-02-24 | 2013-12-18 | 日新製鋼株式会社 | アーク溶接構造部材の製造法 |
| JP5522317B2 (ja) * | 2012-04-17 | 2014-06-18 | 新日鐵住金株式会社 | 隅肉アーク溶接継手及びその形成方法 |
| EP2905102B2 (en) * | 2012-10-01 | 2020-01-15 | Panasonic Intellectual Property Management Co., Ltd. | Arc welding control method |
| JP6505359B2 (ja) * | 2012-11-16 | 2019-04-24 | 日鉄日新製鋼株式会社 | Zn系めっき鋼板製部材のアーク溶接方法 |
| JP5980128B2 (ja) * | 2013-01-04 | 2016-08-31 | 日新製鋼株式会社 | アーク溶接構造部材の製造法 |
| JP2014133259A (ja) | 2013-01-11 | 2014-07-24 | Nisshin Steel Co Ltd | アーク溶接構造部材の製造法 |
| JP2016106032A (ja) | 2013-03-26 | 2016-06-16 | パナソニック株式会社 | アーク溶接制御方法およびアーク溶接装置 |
| US9221121B2 (en) * | 2013-03-27 | 2015-12-29 | General Electric Company | Welding process for welding three elements using two angled energy beams |
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