Liquid level pressurization control system of low pressure casting machine:
Low-pressure casting is a casting molding process that is widely used at present. With the development of industrial technology, the requirements for the quality of low-pressure casting are getting higher and higher. The casting machines currently used can basically be divided into two categories: one is the casting machine imported from abroad , such as the German Jinma machine, and the other type is the domestic machine. After the structure and casting process of the low-pressure casting machine are determined, the dynamic and steady-state performance of the liquid level pressurization control system is the key to determining the quality and yield of castings.
The stability of low-pressure casting pouring process directly affects the yield of low-pressure casting. The liquid surface pressurization equipment with excellent repeatability is the basis and condition for realizing a stable pouring process. It is the key component of low-pressure casting machine and the quality of low-pressure casting castings. fundamental support.
The liquid level pressurization equipment of the low-pressure casting machine adopts high-precision imported pressure sensor to detect the pressure in the holding furnace, the imported pneumatic proportional valve controls the intake flow, and PLC is the control center to realize the real-time closed-loop feedback control of the liquid level pressurization of the holding furnace. The equipment It is well suited for low-pressure casting of metal and sand molds.
Liquid level pressurization control system for new low pressure casting machine
Proportion pilot; pressure response; servo control; liquid level compensation; leakage compensation; high precision, high reliability.
Industrial computer real-time monitoring, mass storage; full Chinese menu prompts, simple operation, easy to learn.
The intake pressure is greater than or equal to 0.4Mpa, and the maximum output pressure is 0.12Mpa
feature:
10-inch touch screen and imported Japanese PLC joint control, realize real-time closed-loop feedback control.
Full Chinese menu prompts, man-machine dialogue is simple and clear, with sound and light alarm function.
The imported proportional valve and high-precision pressure sensor constitute the execution unit and detection unit, with fast response and high detection accuracy.
It can realize automatic tracking of liquid level and automatic compensation of leakage.
Real-time display of set pressurization curve and actual pressurization curve and various process parameters such as pressure, time, pressurization rate, etc.
·According to the casting process parameters, the process is completed automatically, without the responsibility of personnel.
·Large screen display, on-site personnel always grasp the production dynamic information.
Standardized production, high yield and stable product quality.
