| 摘要 |
A nozzle unit for coolant for a machining tool is provided to improve lubrication property for a processing part and radiation efficiency for friction heat product by injecting cutting oil in various directions. A nozzle unit for coolant for a machining tool comprises a nozzle block(9) for forming a supply passage(13) and a nozzle(51) formed along a circumference of the nozzle block to be connected to the supply passage. The nozzle includes a nozzle housing(53) and a nozzle ball(55). The nozzle housing is mounted at an inside of the nozzle block and has three divided fluid passages(BL) connected to the supply passage. The nozzle ball is mounted at an end of the divided fluid passage and has an injection port(57) connected to the divided fluid passage.
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