Brake Testing - ABB IRB 140 Product Manual

1 Safety

1.2.4.4 Brake testing

1.2.4.4 Brake testing
When to test
During operation, the holding brake of each axis normally wears down. A test can
be performed to determine whether the brake can still perform its function.
How to test
The function of the holding brake of each axis motor may be checked as described
below:
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1 Run each manipulator axis to a position where the combined weight of the
manipulator arm and any load is maximized (max. static load).
2 Switch the motor to the MOTORS OFF position with the operating mode
selector on the controller.
3 Check that the axis maintains its position.
If the manipulator does not change position as the motors are switched off,
then the brake function is adequate.
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3HAC027400-001 Revision: K