| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a purifying device for a coolant for a machine tool allowing reduction in equipment costs and running costs by simple constitution and having an excellent purifying effect of the coolant. <P>SOLUTION: This device is provided with a magnetic separating device 11 for removing a magnetic body from the coolant used by a grinding machine 51, an air bubble generating tank 21 for generating air bubbles due to continuous fall and supply of the coolant with the magnetic body removed by the magnetic separating device 11 and floating the air bubbles caused by adhering of contaminant on a liquid level of the stored coolant, a storing tank 31 having a coolant storing tank 32 supplied with the coolant including the air bubbles overflowed from the air bubble generating tank 21 and a contaminant removing device 33 for recovering the air bubbles floating on the liquid level of the coolant storing tank 32 and adhering to contaminant, and a supply pump 41 for supplying the coolant of the storing tank 31 to the grinding machine 51. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
