现代制造工程Issue(5)：102-107,111,7.DOI:10.16731/j.cnki.1671-3133.2018.05.019
气动喷射阀点胶质量改善研究
Research on improvement of dispensing quality of pneumatic jetting valve
陈恒 1杨俊逸 1张志航 1刘祖耀 1夏冬梅 1冉红锋 1张俭1
作者信息
- 1. 深圳长城开发科技股份有限公司,深圳518035
- 折叠
摘要
Abstract
The consistency and the quantity of satellite droplet are important indicators to the jetting quality .In order to improve the jetting quality effectively ,a mathematical model was established .The model can estimate the spring preload which is required for critical jetting ,adjust the injection speed close to the critical jetting velocity by adjusting the spring preload ,which can avoid satellite droplet and improve the glue dot consistency .Firstly,the cylinder model and the jetting model were established to obtain the glue resistance and gas resistance which will block the movement of pin .And then,the drive energy and the spring preload can be obtained base on the jetting theory and the energy conservation theorem .The availability of the model and the feasibility of the jetting quality improving method were verified .Finally,experimental obtained glue dots with diameter of 0.45 mm without any satellite droplet which consistency error is under 5 %.关键词
气动喷射阀/仿真/弹簧预压力/可操作性/卫星滴Key words
pneumatic jetting valve/simulation/spring preload/operable/satellite droplet分类
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陈恒,杨俊逸,张志航,刘祖耀,夏冬梅,冉红锋,张俭..气动喷射阀点胶质量改善研究[J].现代制造工程,2018,(5):102-107,111,7.
