| 摘要 |
A trepan is mounted on the turret of a lathe-type machine tool for cutting a trepan groove in a stainless steel fitting used to couple a hose to a pipe. The cutter is secured to the turret by a holder which comprises a base having a longitudinally extending mounting foot and a transversely extending dovetail slot in which is mounted a dovetail slider having a longitudinal slot that restrains a trepanning cutter holder in which the trepanning cutter is mounted. An adjustment screw mounted for rotation only on the base, and threaded into the dovetail slider, provides for axial adjustment of the trepanning cutter and an adjustment screw mounted for rotation only on the dovetail slider, and threaded into the trepanning cutter holder, provides for longitudinal adjustment of the trepanning cutter.
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