Patent ID: 6830502
Filing Date: 2004-12-14
Classification: B23B,B23D,B23P,Y10T

Abstract:
A reaming tool for reaming a plurality of coaxial bores of a workpiece which are arranged at an axial distance from one another, comprising:a guide shank for clamping in place in a machine spindle and supported by external supporting elements in at least one of prepared bores of the workpiece to be machined and in a guide bush; and a reaming head coaxially adjoining a front end of the guide shank and including cutting edges, wherein the reaming head is connected to the guide shank by a self-centering clamping mechanism, and wherein the supporting elements positioned in the vicinity of the clamping mechanism are capable of being radially expanded during the clamping operation at least partly from undersized diameter to a predetermined diameter guide dimension.