Patent ID: 6553876
Filing Date: 2003-04-29
Classification: B23B,B23Q,Y10T

Abstract:
Detachable, high precision and rigid connection of a tool, workpiece or gauge holder (7) with a spindle nose (1) of a machine tool spindle (3), comprising a first centring taper (6) on the spindle nose (1) and a first plane location surface (22) on the spindle nose (1), on the holder (7) a second centring taper (8) for mating with the first centring taper (6) and a second plane location surface (10) for mating with the first location surface (22), characterized in that one of the centring tapers (6, 8) is formed on a tubular stub (15, 24) and that the axial length (16) of this centring taper (6, 8) is 20% to 50% of the axial length of the tubular stub (15, 24) in such a manner that this centring taper (6, 8) is circumferentially elastic.