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Chapter 11 FXYBX/SXYBX
6) Measure the belt tension again with the procedure given in step 3). The belt
7) Tighten the motor plate installation bolt.
8) Install the belt cover.
Reference
(Adjusting the speed reduction belt tension with a tension measuring instrument)
Use of a belt tension gauge is recommended to obtain more accurate measure-
ments.
Measurement method
In step 3) of the adjustment of the speed reduction belt tension, pull the belt at the
position where the load is applied, and adjust to the following values.
Model
FXYBX X-axis
FXYBX Y-axis
SXYBX X-axis, Y-axis
adjustment is completed if the measured value is within the range given in
Table 11-2. If the measured value is not within the range of Table 11-2, re-
peat steps 3) to 5).
Recommended tension gauge U-505 (UNITTA)
Tension
(N)
44 to 49
29 to 34
44 to 49
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Frequency
Span length
(Hz)
(mm)
180 to 190
82
180 to 190
88.5
180 to 190
82
11-26
Belt width
Unit weight
(g/mm width × m length)
(mm)
20
2.5
12
2.5
20
2.5
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