| 管径和光斑影响激光切割开始瞬间吸收率的分析 |
| |
| 引用本文： | 黄开金,谢长生,邵可然,许德胜.管径和光斑影响激光切割开始瞬间吸收率的分析[J].中国激光,2001,28(11):1041-1044. |
| |
| 作者姓名： | 黄开金 谢长生 邵可然 许德胜 |
| |
| 作者单位： | 电力工程系 |
| |
| 基金项目： | 国家自然科学基金 (CN5 96 35 170 )，华中科技大学
激光技术国家重点实验室开放基金资助项目 |
| |
| 摘 要： | 从理论上研究了曲率半径 (管径 )和激光光斑直径对 30 4不锈钢管材和板材激光切割时开始瞬间吸收率的影响。结果表明 ,当激光光斑直径d与物体外表面的管径 (曲率半径 )D之比大于 0 86 6时 ,它们对激光切割开始瞬间吸收率的影响不能忽略 ,且随着管径 (曲率半径 )的减小或激光光斑直径的增大 ,激光切割开始瞬间吸收率增大
|
| 关 键 词： | 激光切割 吸收率 曲率半径 |
| 收稿时间： | 2000/8/2 |
Theoretical Analysis of the Effects of Pipe Diameter and Laser Beam Diameter on the Initial Instantaneous Absorptivity of Laser Cutting |
| |
| HUANG Kai jin,XIE Chang sheng,SHAO Ke ran,XU De sheng.Theoretical Analysis of the Effects of Pipe Diameter and Laser Beam Diameter on the Initial Instantaneous Absorptivity of Laser Cutting[J].Chinese Journal of Lasers,2001,28(11):1041-1044. |
| |
| Authors: | HUANG Kai jin XIE Chang sheng SHAO Ke ran XU De sheng |
| |
| Affiliation: | HUANG Kai jin 1 XIE Chang sheng 1 SHAO Ke ran 2 XU De sheng 3 |
| |
| Abstract: | The effects of curvature radius(pipe diameter) and laser beam diameter on the initial instantaneous absorptivity of laser cutting for 304 stainless steel pipe and plate were investigated theoretically. The theoretical analysis showed that the pipe diameter D and the laser beam diameter d had important effect on the initial instantaneous absorptivity of laser cutting as the ratio of d to D is bigger than 0 866, and the initial instantaneous absorptivity of laser cutting increases with the pipe diameter (curvature radius) decreases or the laser beam diameter increases. |
| |
| Keywords: | laser cutting absorptivity curvature radius |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
