李朋,杨慧宾,张炳春,杨柯,李玉海.激光熔覆同步送粉器的设计与应用[J].表面技术,2007,36(1):81-83.
LI Peng,YANG Hui-bin,ZHANG Bing-chun,YANG Ke,LI Yu-hai.Design and Application of Synchronous Powder Feeder for Laser Cladding[J].Surface Technology,2007,36(1):81-83 |
| 激光熔覆同步送粉器的设计与应用 |
| Design and Application of Synchronous Powder Feeder for Laser Cladding |
| 投稿时间：2006-10-30 修订日期：2007-02-10 |
| DOI： |
| 中文关键词: 激光熔覆 螺旋式送粉器 锯齿型螺纹轴 熔覆层 激光修复 |
| 英文关键词:Laser cladding Screwy powder feeder Saw-tooth thread spindle Coating Laser repair |
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| Author | Institution |
| LI Peng | Shenyang University Science and Technology, Shenyang 110168, China |
| YANG Hui-bin | Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
| ZHANG Bing-chun | Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
| YANG Ke | Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
| LI Yu-hai | Shenyang University Science and Technology, Shenyang 110168, China |
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| 中文摘要: |
| 实验中发现，薄熔覆层要明显好于较厚熔覆层，为了获得较薄的熔覆层，根据螺旋传动的原理，设计和制作了激光熔覆同步送粉器，并用Ni基合金粉和Al粉进行了相关测试。实验结果表明，该送粉装置是连续和稳定的，改变螺纹轴直径或转速可以连续调节送粉速度。利用该送粉装置进行了激光熔覆实验，获得较薄且均匀的熔覆层，熔覆层的外型尺寸正确、表面比较平整，内部组织均匀细小。本文工作对激光熔覆技术在实际中的应用，尤其是激光在材料修复方面的应用具有实用价值。 |
| 英文摘要: |
| It is concluded that the thinner coating is better than the thicker one, in order to acquire thinner coating, based on the screw driving principle, a synchronous powder feeder for laser cladding is designed and manufactured, by which the relevant tests are made with Ni-based alloy powders and Al powders. The experimental results show that the device is continuous and stable. Through changing the diameter of thread spindle or the speed of rotation, the speed of powders feeder can be adjusted continuously. The thinner and homogenous coating is acquired by using the device in the laser cladding experiment. The shape is right, the surface is smooth, and the microstructure is finer. This work has a valuable meaning in practical application for the laser cladding technique, particularly in the aspect of the laser repair of materials. |
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