Adjusting The Speed Reduction Belt Tension - Yamaha FLIP-X Series Maintenance Manual

q Remove the belt tension adjustment
bolt.
w Reattach the upper cover and end
cover.
n
NOTE
See also "3.1 Installing and removing the cover" in
this Chapter.
Reference: Adjusting drive belt tension with a tension meter
■
We recommend using a tension meter to adjust the belt tension more accurately.
3 Recommended tension meter : U-505 (Made by UNITTA)
Measurement method
Pluck the belt at the load application position in Step 7 to adjust the belt tension to the value shown below.
For details on how to use the tension meter, refer to the tension meter Instruction Manual.
Robot model
B10
B14/B14H
2.2
Turn off the controller power.
1
Place a sign indicating the robot is
2
being adjusted.
Place a sign indicating the robot is being
adjusted, to keep others from operating the
controller or operation panel.
3 Enter the safety enclosure.
4 Remove the belt cover.
5 Measure the slack amount.
Apply the load shown in the table below to
the center portion between both pulleys to
measure the slack. When the slack is within
the range stated in the table, no adjustment
is needed.
Load and slack for speed reduction belt tension
Robot model
B10
B14/B14H
If the slack is beyond the range stated in the
table above, go to the next Step.
3-4
Frequency
Tension (N)
127 to 147 86 to 93
169 to 188 79 to 84

Adjusting the speed reduction belt tension

Load
(N) (kgf)
5.9 to 6.9 0.6 to 0.7
5.9 to 6.9 0.6 to 0.7
Span length (mm)
(Hz)
230
258
Step 4
53307-AC-00
53308-AC-00
Slack
(mm)
3
Step 5
3
Pulley
Unit mass
Belt width (mm)
(g/width [mm] length [m])
20 4.0
25 4.0
Removing the belt cover
Measuring the slack amount
L/2 L/2
Push-pull scale
Slack
Load
Belt
Pulley