Yamaha FLIP-X Series, Maintenance Manual

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3
Adjustment
3-4
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.
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 Tension (N)
Frequency
(Hz)
Span length (mm) Belt width (mm)
Unit mass
(g/width [mm] length [m])
B10 127 to 147 86 to 93 230 20 4.0
B14/B14H 169 to 188 79 to 84 258 25 4.0
2.2 Adjusting the speed reduction belt tension
1 Turn off the controller power.
2 Place a sign indicating the robot is
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.
Removing the belt cover
Step 4
53307-AC-00
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.
Measuring the slack amount
Step 5
L/2 L/2
Push-pull scale
Slack
Load
Pulley
Pulley
Belt
53308-AC-00
Load and slack for speed reduction belt tension
Robot model
Load
Slack
(mm)
(N) (kgf)
B10 5.9 to 6.9 0.6 to 0.7 3
B14/B14H 5.9 to 6.9 0.6 to 0.7 3
If the slack is beyond the range stated in the
table above, go to the next Step.
FLIP-X_maint_E_V1.50.indb 4 18/05/15 15:01