CN104526114A - 一种金属构件埋弧堆焊成形方法 - Google Patents
一种金属构件埋弧堆焊成形方法 Download PDFInfo
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- CN104526114A CN104526114A CN201410617509.0A CN201410617509A CN104526114A CN 104526114 A CN104526114 A CN 104526114A CN 201410617509 A CN201410617509 A CN 201410617509A CN 104526114 A CN104526114 A CN 104526114A
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
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CN201410617509.0A CN104526114B (zh) | 2014-11-04 | 2014-11-04 | 一种金属构件埋弧堆焊成形方法 |
PCT/CN2015/093638 WO2016070780A1 (zh) | 2014-11-04 | 2015-11-03 | 一种金属构件埋弧堆焊成形方法 |
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CN201410617509.0A CN104526114B (zh) | 2014-11-04 | 2014-11-04 | 一种金属构件埋弧堆焊成形方法 |
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CN104526114A true CN104526114A (zh) | 2015-04-22 |
CN104526114B CN104526114B (zh) | 2017-08-25 |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016070780A1 (zh) * | 2014-11-04 | 2016-05-12 | 南方增材科技有限公司 | 一种金属构件埋弧堆焊成形方法 |
CN105689940A (zh) * | 2016-04-18 | 2016-06-22 | 句容五星机械制造有限公司 | 一种反应釜用焊接机器人 |
CN105710586A (zh) * | 2016-04-18 | 2016-06-29 | 句容五星机械制造有限公司 | 一种用于压力容器加工的焊接机器人 |
CN105772719A (zh) * | 2016-01-06 | 2016-07-20 | 江苏烁石焊接科技有限公司 | 一种丝-粉-气-电弧同轴的3d打印方法 |
CN105880808A (zh) * | 2016-06-06 | 2016-08-24 | 西南交通大学 | Gmaw增材制造同向式成形方式成形形貌控制方法 |
CN106271142A (zh) * | 2016-08-31 | 2017-01-04 | 南方增材科技有限公司 | 超超临界高中压转子电熔成形方法 |
CN106271141A (zh) * | 2016-08-31 | 2017-01-04 | 南方增材科技有限公司 | 核电常规岛低压转子电熔成形方法 |
CN106312374A (zh) * | 2016-09-18 | 2017-01-11 | 武汉铁锚焊接材料股份有限公司 | 一种增材制造用低硅低磷高韧性烧结焊剂及其应用 |
CN107433379A (zh) * | 2016-05-27 | 2017-12-05 | 南京理工大学 | 用于丝材等离子弧增材制造的红外温度检测装置及方法 |
CN108145279A (zh) * | 2017-12-22 | 2018-06-12 | 清华大学 | 一种用于空间螺旋件的电弧增材制造方法 |
CN108971697A (zh) * | 2018-06-29 | 2018-12-11 | 中广核核电运营有限公司 | 核电站sap制冷机端盖电熔增材制造方法 |
CN108994481A (zh) * | 2018-08-13 | 2018-12-14 | 芜湖鼎瀚再制造技术有限公司 | 一种耐磨衬板堆焊修复工艺 |
CN109523855A (zh) * | 2018-11-21 | 2019-03-26 | 南通理工学院 | 基于增材制造技术的圆筒埋弧焊接模拟装置 |
CN110461509A (zh) * | 2017-03-27 | 2019-11-15 | 株式会社神户制钢所 | 层叠造型物的制造方法及制造系统 |
CN110834133A (zh) * | 2019-11-28 | 2020-02-25 | 西南交通大学 | 一种减少铝合金电弧熔丝增材制造气孔的方法 |
CN111761181A (zh) * | 2020-07-07 | 2020-10-13 | 天津大学 | 一种大幅提高构件低温韧性的埋弧增材制造方法 |
CN114406420A (zh) * | 2022-03-14 | 2022-04-29 | 广州文冲船厂有限责任公司 | 一种焊剂防漏装置及使用其的焊接方法 |
CN114734121A (zh) * | 2022-04-13 | 2022-07-12 | 北京工业大学 | 一种熔滴形态主动控制及过渡的装置和方法 |
WO2022193783A1 (zh) * | 2021-03-19 | 2022-09-22 | 广东邦普循环科技有限公司 | 一种锂离子电池废极片安全回收的方法及其应用 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111922480A (zh) * | 2020-07-24 | 2020-11-13 | 中国航空工业集团公司沈阳飞机设计研究所 | 一种部件的连接方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3985995A (en) * | 1973-04-19 | 1976-10-12 | August Thyssen-Hutte Aktienges. | Method of making large structural one-piece parts of metal, particularly one-piece shafts |
GB2076560A (en) * | 1980-02-15 | 1981-12-02 | Blohm Voss Ag | Build-up Welding on Rotating Workpieces |
US4322596A (en) * | 1978-12-18 | 1982-03-30 | Blohm & Voss Ag | Apparatus for producing large shafts by welding build up |
US4707581A (en) * | 1984-07-20 | 1987-11-17 | Vyskumny Ustav Zvaracsky | Apparatus for the electroslag surfacing of rolling mill rolls |
CN102430839A (zh) * | 2011-09-28 | 2012-05-02 | 常州宝菱重工机械有限公司 | 一种堆焊复合矫直辊的制作方法 |
CN102990195A (zh) * | 2012-12-13 | 2013-03-27 | 常州蓝翼飞机装备制造有限公司 | 大型换热器管板耐蚀层堆焊工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104526114B (zh) * | 2014-11-04 | 2017-08-25 | 南方增材科技有限公司 | 一种金属构件埋弧堆焊成形方法 |
-
2014
- 2014-11-04 CN CN201410617509.0A patent/CN104526114B/zh active Active
-
2015
- 2015-11-03 WO PCT/CN2015/093638 patent/WO2016070780A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3985995A (en) * | 1973-04-19 | 1976-10-12 | August Thyssen-Hutte Aktienges. | Method of making large structural one-piece parts of metal, particularly one-piece shafts |
US4322596A (en) * | 1978-12-18 | 1982-03-30 | Blohm & Voss Ag | Apparatus for producing large shafts by welding build up |
GB2076560A (en) * | 1980-02-15 | 1981-12-02 | Blohm Voss Ag | Build-up Welding on Rotating Workpieces |
US4707581A (en) * | 1984-07-20 | 1987-11-17 | Vyskumny Ustav Zvaracsky | Apparatus for the electroslag surfacing of rolling mill rolls |
CN102430839A (zh) * | 2011-09-28 | 2012-05-02 | 常州宝菱重工机械有限公司 | 一种堆焊复合矫直辊的制作方法 |
CN102990195A (zh) * | 2012-12-13 | 2013-03-27 | 常州蓝翼飞机装备制造有限公司 | 大型换热器管板耐蚀层堆焊工艺 |
Non-Patent Citations (2)
Title |
---|
中国机械工程学会焊接学会: "《焊接手册 第1卷 焊接方法及设备》", 30 January 2008, 机械工业出版社 * |
陈登丰: ""用埋弧成形焊法制造容器零件"", 《石油化工设备》 * |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016070780A1 (zh) * | 2014-11-04 | 2016-05-12 | 南方增材科技有限公司 | 一种金属构件埋弧堆焊成形方法 |
CN105772719B (zh) * | 2016-01-06 | 2018-06-29 | 江苏烁石焊接科技有限公司 | 一种丝-粉-气-电弧同轴的3d打印方法 |
CN105772719A (zh) * | 2016-01-06 | 2016-07-20 | 江苏烁石焊接科技有限公司 | 一种丝-粉-气-电弧同轴的3d打印方法 |
CN105689940A (zh) * | 2016-04-18 | 2016-06-22 | 句容五星机械制造有限公司 | 一种反应釜用焊接机器人 |
CN105710586A (zh) * | 2016-04-18 | 2016-06-29 | 句容五星机械制造有限公司 | 一种用于压力容器加工的焊接机器人 |
CN107433379A (zh) * | 2016-05-27 | 2017-12-05 | 南京理工大学 | 用于丝材等离子弧增材制造的红外温度检测装置及方法 |
CN105880808A (zh) * | 2016-06-06 | 2016-08-24 | 西南交通大学 | Gmaw增材制造同向式成形方式成形形貌控制方法 |
CN105880808B (zh) * | 2016-06-06 | 2018-04-24 | 西南交通大学 | Gmaw增材制造同向式成形方式成形形貌控制方法 |
CN106271142A (zh) * | 2016-08-31 | 2017-01-04 | 南方增材科技有限公司 | 超超临界高中压转子电熔成形方法 |
CN106271141A (zh) * | 2016-08-31 | 2017-01-04 | 南方增材科技有限公司 | 核电常规岛低压转子电熔成形方法 |
CN106312374B (zh) * | 2016-09-18 | 2018-10-02 | 武汉铁锚焊接材料股份有限公司 | 一种增材制造用低硅低磷高韧性烧结焊剂及其应用 |
CN106312374A (zh) * | 2016-09-18 | 2017-01-11 | 武汉铁锚焊接材料股份有限公司 | 一种增材制造用低硅低磷高韧性烧结焊剂及其应用 |
CN110461509A (zh) * | 2017-03-27 | 2019-11-15 | 株式会社神户制钢所 | 层叠造型物的制造方法及制造系统 |
CN108145279B (zh) * | 2017-12-22 | 2020-04-03 | 清华大学 | 一种用于空间螺旋件的电弧增材制造方法 |
CN108145279A (zh) * | 2017-12-22 | 2018-06-12 | 清华大学 | 一种用于空间螺旋件的电弧增材制造方法 |
CN108971697A (zh) * | 2018-06-29 | 2018-12-11 | 中广核核电运营有限公司 | 核电站sap制冷机端盖电熔增材制造方法 |
CN108994481A (zh) * | 2018-08-13 | 2018-12-14 | 芜湖鼎瀚再制造技术有限公司 | 一种耐磨衬板堆焊修复工艺 |
CN109523855A (zh) * | 2018-11-21 | 2019-03-26 | 南通理工学院 | 基于增材制造技术的圆筒埋弧焊接模拟装置 |
CN110834133A (zh) * | 2019-11-28 | 2020-02-25 | 西南交通大学 | 一种减少铝合金电弧熔丝增材制造气孔的方法 |
CN110834133B (zh) * | 2019-11-28 | 2021-07-27 | 西南交通大学 | 一种减少铝合金电弧熔丝增材制造气孔的方法 |
CN111761181A (zh) * | 2020-07-07 | 2020-10-13 | 天津大学 | 一种大幅提高构件低温韧性的埋弧增材制造方法 |
WO2022193783A1 (zh) * | 2021-03-19 | 2022-09-22 | 广东邦普循环科技有限公司 | 一种锂离子电池废极片安全回收的方法及其应用 |
CN114406420A (zh) * | 2022-03-14 | 2022-04-29 | 广州文冲船厂有限责任公司 | 一种焊剂防漏装置及使用其的焊接方法 |
CN114406420B (zh) * | 2022-03-14 | 2023-11-03 | 广州文冲船厂有限责任公司 | 一种焊剂防漏装置及使用其的焊接方法 |
CN114734121A (zh) * | 2022-04-13 | 2022-07-12 | 北京工业大学 | 一种熔滴形态主动控制及过渡的装置和方法 |
CN114734121B (zh) * | 2022-04-13 | 2023-08-18 | 北京工业大学 | 一种熔滴形态主动控制及过渡的装置和方法 |
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CN104526114B (zh) | 2017-08-25 |
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