| 摘要 |
PROBLEM TO BE SOLVED: To effectively eliminate chips from a tool holder with a simple structure. SOLUTION: A machine tool 110 is provided with a spindle 112 involving a tool storage part 120 for storing a tool holder 118. A tool replacing device 113 for moving the tool holder 118 between its magazine position and working position in the tool storage part 120, and an inner cooling part 121 are formed, whereas the inner cooling part 121 supplies coolant from coolant supply parts 122, 123 to the tool holder 118 clamped in the tool storage part 120, passing through an inner passage 162 extending through the spindle 112 in order to clean a fool 119 used. A cleaning device is formed to clean the tool holder in the course of replacing the tool holder 118 inside the tool storage part 120. In this case, the cleaning device conducts cleaning work using the coolant from the coolant supply parts 122, 123. |
