| 摘要 |
A work rest device for use with a crank pin miller comprises a pair of bodies, longitudinally and transversely movable saddles mounted on a bed, cutter main spindle boxes each having a cutter, said cutter main spindle boxes and said bodies being mounted on respective saddles, pawls disposed within each body to clamp main journal parts adjoining pin journal parts to be cut by said cutter, ring gears, and drive gears each having recesses and disposed within respective ring gear. The pawls are engaged with the respective recesses, and arranged to be moved back and forth by rotating the ring gear. The device further includes work main spindle boxes adapted to carry both ends of the work and having each a chuck. Arrangement is made such that the rotation of the ring gear is in synchronism with that of the associated chuck. |
