Timing belt tension
The table describes the timing belt tension.
Frequency
Force
Axis
New timing belt
Used timing belt
New timing belt
Used timing belt
i
281-359 Hz
255-273 Hz
83.2-90.8 N
58.24-63.56 N
Axis 1
180-229 Hz
163-174 Hz
97.4-107.2 N
68.18-75.04 N
Axis 2
113-143 Hz
102-109 Hz
31-34.2 N
21.7-23.94 N
ii
Axis 3
314-400 Hz
285-304 Hz
28.7-31.5 N
20.09-22.05 N
Axis 4
167-213 Hz
151-162 Hz
19.4-21.2 N
13.58-14.84 N
Axis 5
90-114 Hz
81.3-86.9 Hz
12.8-14
8.96-9.8 N
Axis 6
i
Used belt is the one having been installed and used for more than 12 hours.
Compared with the new timing belt, the force value decreases 15% and the frequency value
decreases 28% when the timing belt has been installed and used for more than 12 hours but less
than 150 hours. When the timing belt has been installed and used for more than 150 hours, both
the force and frequency values decrease 30%.
ii
The value range is only for reference.
Inspecting timing belts
Use this procedure to inspect timing belts.
Information
Action
DANGER
Turn off all:
•
electric power supply
•
hydraulic pressure supply
•
air pressure supply
to the robot, before entering the robot
working area.
1
Gain access to each
timing belt
by removing
the cover.
2
Check the timing belts for damage or wear.
3
Check the
timing belt pulleys
for damage.
4
If any damage or wear is detected, the part
must be replaced!
5
See
Timing belt tension on page 175
.
Use a sonic tension meter to measure the
timing belt tension.
6
If the belt has no tension, adjust it!
Product manual - CRB 1100
175
3HAC078007-001 Revision: J
© Copyright 2021-2023 ABB. All rights reserved.
4 Maintenance
4.4.3 Inspecting timing belts
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