Counter-pressure casting control system for large thin-wall aluminum alloy components
来源期刊：中国有色金属学报(英文版)2003年第z1期
论文作者：MA Xu-liang(马旭梁) ZHU Zhao-jun(朱兆军) FANG Wen-bin(房文斌) ZENG Song-yan(曾松岩)
文章页码：102 - 105
Key words：large thin-wall aluminum alloy components; counter pressure casting; combined digital valve; control precision
Abstract: Based on the digital pneumatic component named the combined digital valve, the counter-pressure casting control system for large thin-wall aluminum alloy components was developed, its control algorithm and the factors which have the effects on the control precision were also studied. The results show that the response velocity and control precision of the system are increased by controlling the area and time of the open valve using numerical increment control algorithm, and the property of the aluminum alloy casting produced by the control system is also improved effectively.
MA Xu-liang(马旭梁), ZHU Zhao-jun(朱兆军), FANG Wen-bin(房文斌), ZENG Song-yan(曾松岩)
(School of Materials Science and Engineering,
Harbin Institute of Technology, Harbin 150001, China)
Abstract:Based on the digital pneumatic component named the combined digital valve, the counter-pressure casting control system for large thin-wall aluminum alloy components was developed, its control algorithm and the factors which have the effects on the control precision were also studied. The results show that the response velocity and control precision of the system are increased by controlling the area and time of the open valve using numerical increment control algorithm, and the property of the aluminum alloy casting produced by the control system is also improved effectively.
Key words:large thin-wall aluminum alloy components; counter pressure casting; combined digital valve; control precision
