| 摘要 |
A machining center comprises a horizontal bed, a column disposed perpendicularly to the bed, a plurality of slide rest located to be relatively movable to the bed and column, a spindle head, and a tool magazine. The spindle head includes vertical and horizontal spindles and a tool exchanging mechanism comprising tool exchanging arm assemblies positioned at positions suitable for the corresponding spindles and adapted to exchange tools held by the tool magazine with those held by the vertical and horizontal spindles.
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