激光烧蚀实木异型表面的微观形貌实验

白岩; 杨春梅; 吴哲; 马岩

doi:10.3788/OPE.20162413.0123

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激光烧蚀实木异型表面的微观形貌实验

更新时间：2020-08-13

- 激光烧蚀实木异型表面的微观形貌实验
- Microtopography experiment of laser ablation on surface of special-shaped solid wood
- 光学精密工程 2016年24卷第10s期页码：123-128
- 作者机构：
  
  东北林业大学机电工程学院,黑龙江哈尔滨,150040
- 作者简介：
- 基金信息：
  
  中央高校基本科研业务费资助项目（DL12BB35）();黑龙江省自然科学基金资助项目（C2016013）()
- DOI：10.3788/OPE.20162413.0123
  中图分类号： TG665
- 收稿日期：2016-05-30，
  
  修回日期：2016-06-12，
  
  纸质出版日期：2016-11-14
- 稿件说明：
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白岩, 杨春梅, 吴哲等. 激光烧蚀实木异型表面的微观形貌实验[J]. 光学精密工程, 2016,24(10s): 123-128

BAI Yan, YANG Chun-mei, WU Zhe etc. Microtopography experiment of laser ablation on surface of special-shaped solid wood[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 123-128
白岩, 杨春梅, 吴哲等. 激光烧蚀实木异型表面的微观形貌实验[J]. 光学精密工程, 2016,24(10s): 123-128 DOI： 10.3788/OPE.20162413.0123.

BAI Yan, YANG Chun-mei, WU Zhe etc. Microtopography experiment of laser ablation on surface of special-shaped solid wood[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 123-128 DOI： 10.3788/OPE.20162413.0123.

摘要

为了解决具有异型表面的木雕和高档家具砂磨困难的问题，提出了使用脉冲激光加工系统代替传统人工打磨的方法。首先在理论上考虑基模高斯光束的入射能量和材料比能，得出了单位时间的最大烧蚀深度。然后使用Nd：YAG激光器，选取水曲柳和红松两种具有代表性的实木材料作为实验对象，在单脉冲能量为300，600 mJ以及脉冲重复频率为5，10 Hz的条件下进行了激光烧蚀实验。实验结果表明，红松由于密度较小，烧烛深度变深，激光烧蚀速率也更快；相比于脉冲能量，脉冲重复频率的提高可以更显著地提高烧蚀效率。水曲柳和红松两种试材的最大烧蚀速度分别为0.20 mm/s和0.33mm/s，基本满足异型表面实木家具的砂光打磨要求。

Abstract

To overcome the sanding difficulties in costly furniture and wood carving with special-shaped surface

a method in which the pulse laser processing system replaces the traditional manual sanding was put forward. Firstly

the maximum ablation depth per second was obtained by taking the specific energy of materials and incident energy of fundamental-mode Gaussian beam into account. Then

two representative solid wood materials ashtree and Korean pine were sanded respectively by using the Nd:YAG laser with the single pulse energies of 300

600 and the pulse repetition frequencies of 5

10 Hz. The experiments indicate that the Korean pine has a smaller ablation depth and a faster ablation rate due to its lower density. Compared with the increase of the pulse energy

the higher pulse repetition frequency can improve the ablation rate more significantly. The maximum ablation rate of ashtree and Korean pine is respectively 0.20 mm/s and 0.33 mm/s

which basically meets the sanding requirement for solid wood furniture with special-shaped surface.

关键词

Keywords

references

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