New Yaskawa Motoman-PL palletising robots 11 January 2021

Motion control and robotics specialist Yaskawa has extended the Motoman-PL series with four additional options of palletising robots complementing existing models covering lightweight palletising applications and those which can handle larger, heavier items such as building materials.

The new PL Series are compatible with the YRC1000 robot controller. In addition, the two new PL models (the 190 & 320) are designed to be more user-friendly, slimmer than the previous MPL series and have an improved payload capacity.

Where manufacturing applications involve the loading / unloading of bulkier items, the weight of the final item can be compounded with heavy packaging such as cardboard that can be easily damaged, or will deform if not handled correctly. These situations require the combination of a soft grip as well as strong power. Typically air-drive or suction is the solution, although this requires larger, more intrusive piping. With the new PL models Yaskawa adopted a large-diameter hollow structure for the wrist shaft at the tip of the arm, which eliminates the risk of interference with peripheral equipment and the robot arm itself.

This design also provides a wider operating range in the height direction so it’s more flexible as it can be loaded up to the optimum pallet size.

The improved energy saving performance is thanks to the YRC1000 robot controller, which enables energy to be generated when the motor is decelerated. This has proven to reduce power consumption by up to 30%, depending on the operating conditions at each installation. Also, as the connection between the controller and the robot is via a single cable, users benefit from reduced wiring and therefore less set-up time.

Optimising communication between the robot controller and manipulator is crucial to the overall system performance and its maintainability and these new

With the PL models, an error alarm displays when the communication line inside the manipulator is disconnected or when an encoder error of each axis servo motor occurs. In addition, they are equipped with a multi-port as standard in each part which enables quicker restoration should the communication line be disconnected.

Finally, Yaskawa’s palletising application software ‘MotoPal’ enables automatic generation of robot operation programs by setting conveyor and station positions, product sizes and loading / unloading patterns.

Operations Engineer

Related Companies
Yaskawa UK Ltd

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