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Ringspann0719EMO Hall 3 stand E22

Ringspann presents the new clamping coupling for fixing driven rotary swivel tables in multi-axis machining centers. Immediately after its premiere last fall, this mechanical-hydraulic high-precision solution has become the favorite of numerous well-known manufacturers of machine tools and turn-pivot portals.

With its exceptional angular accuracy and holding torques of up to 2400 Nm as well as a very high torsional stiffness, it clearly exceeds the performance of conventional clamping systems.

High-quality clamping disks transfer the axial force of helical compression springs into a radially acting force, thereby tapering a specially designed, annular deformation body. This purely mechanical action ensures an absolutely torsion-resistant all-round clamping of the axle journal of the positioning axis. The clamping is quickly released again by applying the clamping coupling with 115 bar hydraulic pressure. As a result, the positioning of the rotary swivel table is immediately free again for the process in the next angular position.

Background: Rotary tilting tables and gantries are used in the coordinate field of modern machine tools and machining centers to position the A and C axes. Their kinematic task is to support the accurate and fast approach of the workpiece in any required angular position. In the latest-generation turn-tilt tables, this is achieved by positioning axes that are driven by directly and precisely controllable torque motors. After taking their defined angular positions, they are firmly clamped and have to hold their position absolutely securely during the ongoing processing - that is, under load.

The market offers a number of different clamping systems for this task. However, increasing demands of the users on the achievable accuracies and the transmittable torques make both the manufacturers of rotary swivel tables and the machine tool builders increasingly looking for ever more powerful clamping systems for their positioning axes. The new clamping coupling for clamping rotary swivel tables should soon replace many well-known clamping systems products.

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