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Preuzmi

LEVER-CAM MECHANISM OF A HYDRAULIC THREE-JAW SELF-CENTERING CHUCK

Workpiece 6 is located and clamped by master jaws 1 with interchangeable top jaws 2. When piston 3 is moved downward by the action of fluid delivered to the top end of the cylinder, the piston rod pulls sleeve 4 downward, turning levers 5 about fixed axes A to move master jaws 1 toward the centre of the chuck. When piston 3 is moved upward by fluid delivered to the bottom end of the cylinder, jaws…

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