电弧喷涂制模专用喷枪对喷涂效果的影响

查志宏; 田峰

doi:10.15980/j.tzzz.2012.06.012

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电弧喷涂制模专用喷枪对喷涂效果的影响
Effects of Special Spraying Gun on Spraying Efficiency of Electric Arc Spraying Tooling
2012年32卷第6期页码：511-514
纸质出版日期： 2012 ，
DOI： 10.15980/j.tzzz.2012.06.012

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[1]查志宏,田峰.电弧喷涂制模专用喷枪对喷涂效果的影响[J].特种铸造及有色合金,2012,32(06):511-514.

Zha Zhihong, Tian Feng. Effects of Special Spraying Gun on Spraying Efficiency of Electric Arc Spraying Tooling[J]. Special Casting & Nonferrous Alloys, 2012,32(6):511-514.
[1]查志宏,田峰.电弧喷涂制模专用喷枪对喷涂效果的影响[J].特种铸造及有色合金,2012,32(06):511-514. DOI： 10.15980/j.tzzz.2012.06.012.

Zha Zhihong, Tian Feng. Effects of Special Spraying Gun on Spraying Efficiency of Electric Arc Spraying Tooling[J]. Special Casting & Nonferrous Alloys, 2012,32(6):511-514. DOI： 10.15980/j.tzzz.2012.06.012.

摘要

利用空气动力学原理

研制出了类拉伐尔风帽型喷枪。该改型喷枪使金属微液滴在超音速状态下雾化

从而获得更细的金属粒子。通过与WDP2000-I型喷枪对比

结果表明

改型喷枪粉末粒度更集中、更细小、更加均匀。喷Zn时

粉末平均粒度减小约41.3%。喷Zn-Al时

粉末平均粒度减小约29%。改型喷枪粒子束更加集中

这样有助于提高沉积效率

节约喷涂材料

从而提高电弧喷涂制模的效率。

Abstract

Laval-like funnel cap spraying gun was developed based on the theories of aerodynamic.The modified spraying gun could atomize micro-drop under the supersonic state to form finer metal particles.And the effects were compared with those of WDP2000-I spraying gun.The results show that the granularity is more dense

finer and more uniform.Average granularity is decreased by 41.3% for spraying Zn powders by the modified gun

and it is decreased by 29% for spraying Zn-Al powders.The particle beam is more dense in the modified gun

which can increase deposition efficiency

save spraying materials and improve the efficiency of electric arc spraying tooling.

关键词

类拉伐尔风帽电弧喷涂快速模具制造超音速状态

Keywords

Laval-Like Funnel CapElectric Arc SprayingRapid ToolingSupersonic State

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