工业用数控激光切管机研制-光学精密工程.PDF

第 12 卷 　第 6 期 光学 精密工程 Vol . 12 ,No . 6 2004 年 12 月 Optics and Precision Engineering Dec . 2004 ( ) 文章编号 　1004924X 2004 工业用数控激光切管机研制 谢冀江 ,李 　维 ,李雨田 ( 中国科学院长春光学精密机械与物理研究所 , 吉林 长春 130033) 摘要 :介绍了一种新型金属管材激光切割设备 。该机采用激光头轴向移动 , 由电动卡盘带动工件旋转的方法合成切割轨 迹 ,实现了分段式切割 ,对不同直径的工件无需更换卡块 ,并采用辅助空气冷却的切割方法实现了低氧压切割 ,耗氧量比 μ 传统设备节省了2/ 3 。该设备最大单程切割长度 1 000 mm ,切割表面粗糙度 ≤6 . 3 m ,孔位精度为 ±0 . 1 mm/ m ,辅助氧 气压力 ≤0 . 15 MPa 。 关 　键 　词 :激光切割 ;管材 ; 电动卡盘 ;空气冷却 中图分类号 : TN249 　　文献标识码 :A Numerical control laser pipe cutting machine f or industrial use XIE J ij iang , L I Wei ,L I Yutian ( Changch u n I ns t it ute of Op t ics , Fi ne M echanics an d Phys ics , Chi nese A cademy of S ciences , Changch u n 130033 , Chi na) Abstract : L aser p rocessing equip ment for met al t ubecutting is int roduced . t he cutting t rack is formed by t he laser head moving along axis combined wit h t he workpiece t urning droven by an elect ric chuck circum volve , t hus t he subsection cutting for t he workpiece wit h different radius could be easily realized wit hout changing t he chuck . Low oxygen p ressure cutting by air cooling can reduce t he consumed oxygen by 2/ 3 oxygen comp ared wit h t raditional ones. It s maximum single cutting lengt h is 1 000 mm , t he cutted surface μ roughness Ra ≤6 . 3 m , po sition accuracy ±0 . 1 mm/ m , and oxygen p ressure ≤0 . 15 M Pa . Key words : laser cutting ; pipe ; elect ric chuck ; air cooling [ 16 ]