| 摘要 |
<p>The holder body (22) of a tool holder (12, 92) includes one or more first fluid passages (54) and one or more second fluid passages (56), wherein the first and second fluid passages are communicated to each other inside the holder body and open to the outer surface of the holder body. A cooling fluid is supplied from a fluid passage formed in a fluid guide (14, 94) of the cooling apparatus (10, 90) to either the first fluid passage or the second fluid passage, flows through a communicating portion of the first and second fluid passages into the other of the first and second fluid passages, and runs out into the other fluid passage of the fluid guide. <IMAGE></p> |
