3 Maintenance
3.7.3. SIS system parameters
1933HAC020993-001 Revision: G
© Copyright 2004-2008 ABB. All rights reserved.
Gearbox warning
A percentage of the gearbox service interval as calculated by the system.
E.g. by setting the value "90", the SIS will alert the operator after 90% of the expected service
interval of each gearbox.
The robot system automatically detects and stores all required variables to calculate the
expected service interval of each gearbox. This is done by extrapolating data from earlier
operation into a function of time, using a formula including:
• input and output torque
• gearbox spindle speed
• other variables
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