초록 ▼

A machine tool coolant filtering system (10) is disclosed as including a plurality of coolant filter tanks (12). Each filter tank (12) is designated for receiving coolant carrying a different material contaminant. A fluid control communication system (22) controls the communication of coolant from t

A machine tool coolant filtering system (10) is disclosed as including a plurality of coolant filter tanks (12). Each filter tank (12) is designated for receiving coolant carrying a different material contaminant. A fluid control communication system (22) controls the communication of coolant from the machine tools to the coolant filter tanks (12). A liquid level sensor (40) senses coolant level within a respective tank (12). A modulating valve (46) in communication with the liquid level sensing means (40) senses the liquid level in the respective tank (12). If the coolant level in its respective tank (12) falls below a threshold range, the respective modulating valve (46) is closed to restrict coolant from being removed from its respective tank (12) to maintain the coolant level in the respective tank. If the coolant level in the respective tank (12) rises above the threshold range, the respective modulating valve (46) is opened to allow removal of coolant, to maintain the coolant level within the threshold range in each coolant filter tank (12). The coolant filtering system (10) segregates different material contaminants carried by common machine tool coolant for recycling.

대표청구항 ▼

A machine tool coolant filtering system for filtering machine tool coolant from at least one machine tool having different material contaminants, the filtering system comprising: a plurality of coolant filter tanks having filter means adapted to filter material contaminants from the at least one mac

A machine tool coolant filtering system for filtering machine tool coolant from at least one machine tool having different material contaminants, the filtering system comprising: a plurality of coolant filter tanks having filter means adapted to filter material contaminants from the at least one machine tool; each said filter tank being designated for receiving coolant carrying a respective one of the different material contaminants; and a fluid control communication system including a diverter gate means connected respectively to a plurality of branches for controlling the communication of coolant from the at least one machine tool when the diverter gate means is connected fluidly to the at least one machine tool to a selected one of said coolant filter tanks to selectively communicate contaminated tool coolant to the selected one of said filter tanks depending on the respective one of the different material contaminant carried by the tool coolant to thereby segregate the respective different material contaminants a liquid level sensing means mounted in each said coolant filter tank for sensing coolant level within its respective tank; and a modulating valve in communication with said liquid level sensing means at the suction side of each filter tank, each of said modulating valves being controlled by its respective liquid level sensing means whereby if coolant level in its respective tank falls below a threshold range, the respective modulating valve is closed to restrict coolant being removed from its respective tank to maintain the coolant level in said respective tank and if the coolant level in said respective tank rises above the threshold range, the respective modulating valve is opened to allow removal of coolant, thus maintaining the coolant level within the threshold range in each said coolant filter tank.