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Routine maintenance methods for ABB industrial robots

1. Brake inspection

Before normal operation, it is necessary to check the motor brake on each axis of the motor brake. The inspection method is as follows:

(1) Run the axis of each robot to its maximum load position.

(2) Turn the motor mode selection switch on the robot controller to the MOTORS OFF position.

(3) Check whether the shaft is in its original position. If the robot still maintains its position after the motor is turned off, the brake is good.

2. Danger of losing deceleration operation (250mm/s) function

Do not change gear ratios or other motion parameters from a computer or teaching aid. This will affect the deceleration operation (250mm/s) function.

 

3. Safe use of teaching aids

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The system changes to the MOTORS ON mode when the enabling device button installed on the teaching pendant is pressed halfway. When the button is released or fully pressed, the system changes to the MOTORS OFF mode. In order to safely use the teaching pendant, the following principles must be followed to enable the device button. When programming or debugging, when the robot does not need to move, immediately release the enabling device button.

When programming personnel enter a safe area, they must always carry a teaching pendant on them to prevent others from moving the robot.

 

4. Working within the working range of the robot

If it is necessary to work within the working range of the robot, the following points must be observed:

(1) The mode selection switch on the controller must be turned to the manual position in order to operate the enabling device to disconnect the computer or remote control operation

(2) When the mode selection switch is at the position<250mm/s, the maximum speed is limited to 250mm/s. When entering the work area, the switch is generally set to this position. Only those who have a good understanding of robots can use full speed (100% full speed)

(3) Pay attention to the rotation axis of the robot, and be careful not to stir hair or clothing onto it. Also pay attention to other optional components or other equipment on the robot

(4) Check the motor brake on each axis


Post time: Mar-22-2023