摘要
针对在空气环境下金属表面激光标记时,会出现热影响区较大,飞溅物易沉积影响加工质量,同时产生废气和悬浮颗粒,对环境有污染等问题提出了水辅助条件下进行激光标记二维条码的方法。首先,从条码质量评定指标的角度,研究了水层深度对条码图像质量的影响,然后,对比分析了在两种环境下的条码图像质量情况。结合微观分析,证明了水辅助激光标记二维条码的可行性,并且能够解决空气环境下产生的问题。最后,通过设计正交试验和方差分析对水辅助条件下激光加工参数与条码评定指标的关系进行了分析,并进行了参数优化。
Some low quality symbols were often produced with large heat affected zone when Laser marked on metal surface in air environment. Also, some fine metal particles may be produced during marking process and causes potential environment pollution. In order to solve these problems, water-assisted laser marking technique was introduced in this paper. Firstly, according to quality index of the ISO/IEC15415 specification, the influence of the water depth on the marking depth of the bar code is studied. Then, the quality of two dimensional bareodes marked in water and air environment was analyzed separately. Combing the microscopic analysis, the feasibility of laser marking two dimensional barcodes in water environment was proved, and can solve the air environment problems. Finally, the laser processing parameters in water environment were optimized by using orthogonal experimental design and variance analysis method.
出处
《应用激光》
CSCD
北大核心
2017年第2期268-275,共8页
Applied Laser
基金
山东省优秀中青年科学家科研奖励基金资助项目(项目编号:BS2012ZZ005)
关键词
激光标记
二维条码
水辅助
参数优化
laser marking
2D-barcodes
water-assisted
parameter optimization
作者简介
陶亮（1985一），男，硕士研究生，主要从事激光直接标记方面的研究。E-mail：390593017@qq．com
通信作者（导师简介）：李建美（1974一），女，硕士生导师，副教授。主要从事激光标记、图像处理和机电产品设计等方面研究，E-mail：lijianmei@sdu．edu．cn
