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In the event of an emergency, when powering the robot is either impossible or unwanted, you can use forced back-driving to move the robot arm.
Forced back-driving requires you to push, or pull, the robot arm hard to move the joint. Bigger robot arms can involve more than one person to move the joint.
Each joint brake has a friction clutch that enables movement during high forced torque. Forced back-driving requires high force and one or more people may be required to move the robot.
In clamping situations, two or more people are required to do the forced back-driving. In some situations, two or more people are required to disassemble the robot arm.
Personnel using the UR robot are to be trained to respond to emergency events. Supplemental information shall be provided, on integration.
Risks due to an unsupported robot arm breaking or falling can cause injury or death.
Moving the robot arm manually is intended for emergency and service purposes only. Unnecessary moving of the robot arm can lead to property damage.
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Do not move the joint more than 160 degrees, to ensure the robot can find its original physical position.
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Do not move any joint more than necessary.
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