For a Cartesian robot, the pick and place automation of heavy loads is easy because its bearings and support frames are able to prop the entire range of motion. To better illustrate the point, imagine a load of 110 pounds. The weight is well within the payload range of all the three robots; however, 110 pounds is at the upper end of the SCARA’s capacity; it will, therefore, take more controls and extra parts to handle the resulting torque.
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