ground conveyor PTT3 Werkzeugwechsel hydraulic_gripper_feeds_series_X hydraulic_gripper_feeds_AVP gripper feed AVP with pilot valve high_lift_vehicle_for_coil_transport_with_carrying_bolt_and_change_prism stack turner Coilverarbeitung large sized_double_decoilers Turning Stations for Blade small sized_decoilers_with_variable_speed_drive pedestrian transport solution PTT3 with pivot bearing