Clamping technology and gripping systems expert Schunk has developed a slim, lightweight robot coupling suitable for automatic pallet handling. Its minimised contours enables pallet loading to take place very close to the machine table. By using the Vero-S NSR, very thin attachments to the clamping station and pallet are feasible, allowing maximum space for the workpiece and the movement of the axes within the machine envelope.
At a weight of 1.6 kg (size 160), the robot coupling achieves pull down forces of up to 15 kN. The extremely rigid system transfers torque of up to 1,600 Nm, and is also suitable for reliable handling of 400 by 400 mm pallets of up 350 kg in weight. This weight capacity is made possible by the fact that every Schunk quick-change pallet system is equipped with a double angle clamping stroke. To achieve an optimal relationship between rigidity, robustness and weight, Schunk specified every part that does not transmit force in aluminium. The parts that do transmit force are produced from hardened stainless steel for additional strength.
The module locking system is self-locking and uses form-fit clamping. At 6 bar pneumatic system pressure, the module can be unlocked without requiring lubricated air. Opening and closing as well as pallet presence are monitored via inductive proximity switches. This enables the whole changing process to be monitored. Moreover, the module is completely sealed and thus protected against chips and coolant.