According to the set quantitative process, the pre-working pressure is first generated in the quantitative casting furnace . When the aluminum die-casting machine sends out the “mode-locked data signal” to the quantitative furnace, the standard pressure in the furnace will change according to the graph. Given the pre-working pressure, the aluminum liquid rises to the electrode point contact outside the riser tube. When the aluminum die casting machine sends out the "casting just start" data signal, the whole process of quantification begins from this point on.
The working pressure in the quantitative casting furnace is increased according to the set quantitative curve, and the aluminum liquid flows out from the riser. Plc (program controller) According to the difference between the detected standard air pressure and the set value, the value of this value is combined with the time. This value is used to change the total area of the shaded part of the single pulse graph. . This kind of instantaneous speed difference compensation is the key basic principle of the quantitative furnace. It can tolerate compensation for water leakage. When the quantitative circulation system is completed now, the automatic exhaust valve is opened to make the working pressure drop rapidly. Then the valve is closed and created again. Pre-work pressure, ready for the next cycle system.
Special feature
1. Quantitative high precision and smooth
2. Actual operation and maintenance changes
3. Can be used with various types of aluminum die casting machine, aluminum alloy casting machine, sand casting.
4. The quantitative is stable and is not affected by the liquid level in the furnace.
5. Short period of quantification
6. Quantification can still be carried out at the time of feeding
7. Low energy consumption during thermal insulation and quantification
8. Select closed furnace wall structure, high quality and stable aluminum liquid
9. Can quickly evacuate aluminum liquid and remove aluminum alloy
10. Fireproof material lining has a long service life
11. Ability to detect systems for remote operation
12. Additional costs, such as accessories, spare parts, etc.