PRESSURE CONTROL SYSTEM WITH PRESSURE CASTING FACILITIES FOR CAST STEEL WHEELS Russian patent published in 2020 - IPC B22D18/08 B22D17/32 

FIELD: metallurgy.

SUBSTANCE: pressure control system with pressure casting facilities for cast steel wheels comprises a control system and a main gas path, where the control system comprises a higher computer, a programmable logic controller (PLC), a sensor, a control panel and an electronic control valve, wherein the higher computer is connected by means of a signal line to the PLC, which is connected to each of sensor, control panel and valve with electronic control, wherein sensor includes pressure sensor inside reservoir and liquid level sensor inside mold, and electronically controlled valve comprises high-speed valve and servo-valve. Main gas path comprises gas bag (1), ball valve, reduction valve, electromagnetic valve and high pressure tank (20), wherein gas bag (1), ball valve, pressure reducing valve, electromagnetic valve and high-pressure tank (20) are connected to each other by means of gas tubes.

EFFECT: technical result is higher safety, reliability and ease of use, providing different speeds of mold filling.

3 cl, 2 dwg