Patent ID: 9180527
Filing Date: 2015-11-10
Classification: B23B,G01M,Y10S,Y10T

Abstract:
1. A clamping device ( 1 a ) for clamping a work piece at a rotating spindle of a machine tool, wherein the clamping device comprises a base body ( 2 ), which is configured to be fixated at the spindle and which comprises at least one change body ( 1 ) which can be coupled to and decoupled from the base body ( 2 ), wherein the change body ( 1 ) and the base body ( 2 ) are supported coaxially relative to one another and clamped relative to one another in radial direction by roller elements ( 11 ), wherein each of the roller elements ( 11 ) is disposed in a gap between the base body ( 2 ) and the change body ( 1 ), which is configured as a wedge shaped gap and adapted to the respective roller element ( 11 ), so that the respective roller element can be moved along the wedge shaped gap, deeper into the wedge shaped gap, when the base body ( 2 ) and the change body ( 1 ) are connected to one another, so that the desired clamping is provided in radial direction; wherein the respective wedge shaped gap is also configured as a wedge shaped gap when viewed in circumferential direction, so that the tendency of the change body ( wherein the respective wedge shaped gap is configured, so that the roller element ( wherein the roller elements ( wherein a ring (