| 摘要 |
<p>According to the present invention, provided is a nozzle apparatus for a coolant, comprising: a nozzle housing which is mounted on one side of a spindle and has a coolant inlet and a ball seating hole inside to be connected together; a ball of which the top is exposed to the outside of the nozzle housing, of which the bottom is seated in the ball seating hole of the nozzle housing, which is vertically pierced to form a coolant injection hole connected to the coolant inlet, and which has a plurality of guide grooves on the side towards the coolant injection hole; a fixating bolt adjacently installed to the ball seating hole of the nozzle housing; and a guide member comprising a body supported in and fixated to the top of the nozzle housing by the fixating bolt and a body extension part extended from one side of the body in the radial direction of the body to come in contact with the guide groove by the end. Therefore, the nozzle apparatus for a coolant maintains the coolant injection angle of the ball at an initially set angle against the high pressure injection of a coolant as the guide member firmly supports the ball.</p> |
