| 摘要 |
The bed head stock and tail stock of a lathe are supported on a support assembly. The support assembly includes a frame on which are adjustably mounted two pedestals. The bed head stock and tail stock are supported by the pedestals at three spaced-apart position. At one position the bed and head stock are rigidly connected to a pedestal, at a second position the bed is freely supported by a pedestal for sliding movement in all directions and at a third position the bed is supported by a pedestal for sliding movement in one direction only, parallel with the longitudinal axis of the lathe.
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