The original quick-change card head of our factory is relatively versatile, so the card head shown in the figure is used, and the effect is better. The main body 1 taper shank is installed in the lathe tailstock, the push nut pressing sleeve 10, the sliding sleeve 2 and the like are in a certain position, the tooth pin 5 is engaged with the tooth groove portion of the main body 1 under the action of the spring 4, and the movable block 7 is along the rotating body 11 The groove is synchronously contracted toward the center, and the nut compression sleeve 10 is rotated for two weeks to clamp the tool. As the workpiece rotates during machining, it will become more and more clipped.
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