Adjustable clamping device

摘要

A device for clamping a collet in a machine tool having a rotatable spindle and a spindle nose thereon includes a mounting portion fastenable to the spindle and a clamping portion extending from the mounting portion. A bore is defined through the clamping portion and the mounting portion. At least one moveable ring is located within a portion of the bore defined by the clamping portion, the moveable ring being configured to receive the collet or any other appropriate clamping tool. At least one screw is mounted in the clamping portion and can be tightened against the moveable ring. The collet or clamping tool is attachable to the spindle nose of the machine tool and is drawn into the bore of the clamping portion. A method of clamping a collet includes providing the clamping device, attaching the device to the machine tool, inserting the collet into the clamping device, and attaching the collet to the spindle nose.

主权项

1. A device for clamping a tool or a workpiece, the device comprising:
a mounting portion fastenable to a spindle of a machine tool; a clamping portion extending from the mounting portion, the clamping portion and the mounting portion defining a bore extending therethrough; a collet attached via the device to a spindle nose of the machine tool, a guide bushing located within a portion of the bore defined by the clamping portion, a sleeve located at least partially in the guide bushing and in the bore, and being configured to receive the collet; and a plurality of differential screws positioned equidistant circumferentially around the clamping portion in communication with the guide bushing; wherein the collet is drawn into the bore of the clamping portion and clamped therein.