| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a crankshaft miller capable of preventing the occurrence of a failure of a swing motion of a swing head caused by swarf resulting from cutting. <P>SOLUTION: An upper end side of a ball screw shaft 31 constituting a swing drive mechanism 24 of the swing head 21 freely swingably attached to a slide 8 is rotatably supported by a bearing device 33, while the lower end side thereof is in a free end state. Moreover, on the bottom end side of the ball screw shaft 31 in the slide 8, a chute part 60 for discharging the swarf resulting from the cutting, is arranged. <P>COPYRIGHT: (C)2012,JPO&INPIT |
