| 摘要 |
An adapter for converting a vertical single-spindle milling machine to a machine capable of simultaneously performing a number of milling operations. The adapter, which includes at least one auxiliary spindle, fits upon the quill and is supported by guide rods mounted to the frame of the machine and to the adapter. Means are provided to transmit motion from the vertical miller spindle to the adapter-auxiliary spindle, and to stabilize the auxiliary spindles so that they are unaffected by the rotation of the quill about its own axis.
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