| 摘要 |
A machine tool gear mechanism ( 1 ) such as a spindle gear mechanism, transmits torque from an output shaft ( 3 ) of the gear mechanism directly to a spindle ( 6 ). The mechanism includes a rotary passage ( 14 ) as a device for delivering coolants, emulsions, oils or air between the output shaft ( 3 ) or the motor and the spindle ( 6 ). The rotary passage ( 14 ) is integrated in the spindle ( 6 ).
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