Abstract
In order to improve the performance operation for various aluminum castings, a multi-functional counter-gravity casting device for aluminum alloy was developed. Key structure of the device consists of two sealed-in jar, i. e. the upper jar and the nether one, in which fuzzy algorithm treated integral-separated PID is taken as control project of the control system, and combined valve controlled by digital signal is adopted as the executive unites of the pneumatic system. Three counter-gravity castings methods including lowpressure casting, differential-pressure casting and vacuum- assisted pressure casting can be accomplished by combining the control system with the main body of equipment, improving the practicability of the countergravity casting equipment.
| Original language | English |
|---|---|
| Pages (from-to) | 33-35 |
| Number of pages | 3 |
| Journal | Tezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys |
| Volume | 29 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2009 |
Keywords
- Aluminum alloy
- Counter-gravity casting
- Equipment
- Multi-function
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