SunStar HC Series - X-Axis Timing Belt

6-11-3) X-Axis Timing Belt
④ To adjust the tension on the X-axis timing belt, use the tension bolt. After the adjustment, fasten the bolt. Turn
the bolt clockwise to increase the tension and counterclockwise to decrease the tension.
① Push the Y-axis frame plate fully to the right ([Fig.6-23]). Check the drive belt tension on X-axis using the
sound wave tension gauge.
② Tension on the X-axis timing belt should measure as below on the sound wave measurer when you pluck the
middle of the belt with your finger.
③ Input data for the sound wave tension measurer:
[Fig.6-23]
Tension bolt
Weight
Wide
Span
Tension measurement
4.0 gf/m
15 mm/#R
610 mm
19 kgf
Type
SWF/HC-
UH1504D-45
3.8 gf/m
35 mm/#R
445 mm
25 kgf
SWF/HC-
UH1506D-45
4.0 gf/m
15 mm/#R
590 mm
19 kgf
SWF/HC-
UH1508D-45
4.0 gf/m
15 mm/#R
590 mm
19 kgf
SWF/HC-
UH1512D-45
LM block
plate screw
Tension bolt
LM block plate
X-drive motor