Patent ID: 6305183
Filing Date: 2001-10-23
Classification: B23Q

Abstract:
A cooling apparatus comprising:a lubricating fluid tank storing lubricating fluid;a lubricating fluid nozzle connected with said lubricating fluid tank for supplying the lubricating fluid to machining zone between a tool and a workpiece;a lubricating fluid regulating device configured to regulate a flow rate of the lubricating fluid supplied to said lubricating fluid nozzle within a range of flow rates of the lubricating fluid;a cooling fluid tank storing cooling fluid;a cooling fluid nozzle connected with said cooling fluid tank to supply the cooling fluid to the workpiece; anda cooling fluid regulating device configured to regulate a flow rate of the cooling fluid supplied to said cooling fluid nozzle within a range of flow rates of the cooling fluid while said lubricating fluid nozzle supplies the lubricating fluid within said range of flow rates of the lubricating fluid, said range of flow rates of the cooling fluid has an upper limit that is approximately 500.0 cm.sup.3 /min or smaller in 1.0 mm of a contacting length in the machining zone.