Cutting parameters for the reduction in material degradation in the laser cutting of advanced high-strength steels

被引：4
作者：
Lamikiz, A.
Lopez de Lacalle, L. N.
Sanchez, J. A.
del Pozo, D.
Etayo, J. M.
Lopez, J. M.
机构：
[1] Univ Basque Country, Dept Ingn Mecan, E-48013 Bilbao, Spain
[2] ROBOTIKER Technol Ctr, Zamudio, Spain
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE | 2006年 / 220卷 / 06期
关键词：
advanced high-strength steels; CO2 laser cutting; laser cutting parameter optimization;
D O I：
10.1243/09544054B12304
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This article presents the optimum cutting conditions for advanced high-strength steel (AHSS) laser cutting. Different series of AHSSs, used in the automotive industry at present, have been tested with different laser cutting parameters. The influence of laser cutting in the material and the changes in metallurgical characteristics have been studied. The results, as expected, demonstrate very different behaviours as a function of sheet thickness, while the variation in cutting parameters due to the influence of the material is less important. The results have been divided into two large groups with thicknesses of more than 1 mm and less than 1 mm. Parameter variation inside each group mainly depends on sheet material coating. The optimum cutting areas and the quality of the cut evaluated with different criteria are presented. Finally, the best position for the laser beam has been observed to be underneath the sheet.
引用
收藏
页码：877 / 882
页数：6
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