Lapping full-penetration laser welding method for stainless steel heat exchange plates
A lapping full-penetration laser welding method for stainless steel heat exchange plates includes the following steps of pre-welding preparation, connecting method adoption, setting of welding parameters, and protective gas adoption. A continuous laser is adopted for full penetration of the heat exc...
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Format | Patent |
Language | English |
Published |
23.12.2015
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Abstract | A lapping full-penetration laser welding method for stainless steel heat exchange plates includes the following steps of pre-welding preparation, connecting method adoption, setting of welding parameters, and protective gas adoption. A continuous laser is adopted for full penetration of the heat exchange plates of the equal thickness. The rule of influence of different welding parameters on the depth of penetration, width of penetration and mechanical property of full-penetration joints and on the oxidation stain of the weld surface is obtained by the orthogonal experimental method through optimization, the widths of penetration of the upper interface and the lower interface are increased by a larger positive off-focus value, and the quality of welded joints is improved by limiting the depth of penetration of the welded heat exchange plates at the lower layer. |
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AbstractList | A lapping full-penetration laser welding method for stainless steel heat exchange plates includes the following steps of pre-welding preparation, connecting method adoption, setting of welding parameters, and protective gas adoption. A continuous laser is adopted for full penetration of the heat exchange plates of the equal thickness. The rule of influence of different welding parameters on the depth of penetration, width of penetration and mechanical property of full-penetration joints and on the oxidation stain of the weld surface is obtained by the orthogonal experimental method through optimization, the widths of penetration of the upper interface and the lower interface are increased by a larger positive off-focus value, and the quality of welded joints is improved by limiting the depth of penetration of the welded heat exchange plates at the lower layer. |
Author | XU CHENG CHEN JING LIN JUN LI HAILONG HAO KAIKAI REN XUSHENG LI SHUXUN ZHANG ZHENG ZHANG SHUYAN WANG ZHIHUI |
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RelatedCompanies | GANSU LANPEC TECHNOLOGIES CO., LTD SHANGHAI LANBIN PETROCHEMICAL EQUIPMENT CO., LTD MECHANICAL INDUSTRIES SHANGHAI LANYA PETROCHEMICAL EQUIPMENT DETECTION INSTITUTE CO., LTD |
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Snippet | A lapping full-penetration laser welding method for stainless steel heat exchange plates includes the following steps of pre-welding preparation, connecting... |
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SubjectTerms | 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 | Lapping full-penetration laser welding method for stainless steel heat exchange plates |
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