Taper Collet Centre Mandrel BKDI Features • For clamping diameters from 11,9 mm to 132 mm • High true running accuracy ≤ 0,01 mm • Permissible component tolerance up to IT15 • Pull-back against external backstop ring by the customer • For thin-walled or solid components • For hand clamping Configuration The Taper Collet Centre Mandrel consists of a centre mandrel body and a Taper Collet with a clamping nut. The Taper Collet Centre Mandrel is mounted between the centring tips. The Taper Collet is activated by turning the clamping nut. Centre mandrel body Backstop ring (by customer) Taper Collet with clamping nut Clamping principle For clamping, the Taper Collet is pushed against the centre mandrel body and radially expands over the cone of basebody. The component is centred, pressed against the backstop and aligned flush. The cylindrical form of the component bore in the clamping area has to be smaller than the tolerance class IT7, independent of the component bore tolerance. Key: Axial activating force Radial clamping force Axial pull-back forc

Taper Collet Centre Mandrel BKDI Backstop ring (by customer) Please note Clamping range Maximum diameter change* Tightening torque** 1) Please note the standard clamping ranges according to the tables on the next pages „Clamping Elements Taper Collets BMD“. * of the clamping diameter of the Clamping Element. ** for clamping with pull-back action. Insertion depth Please indicate the size of the Clamping Fixture and the clamping range of the requested Taper Collet, in your order: The minimum insertion depth Lemin. is derived according to the following formula from the component chamfer length Lf...