
FX-3R Maintenance
Guide
5-15
Rev. 1.00
5-11-1. Adjusting the Gap between Torque Supporter and Support Motor
The gap between the torque supporter and support table motor must be adjusted to 1.1 mm.
5-11-2. Adjusting the Tension of the Support Table Driving Timing Belt
To adjust the tension of the support table driving timing belt, loosen the screw of the tension
supporter assembly and move the assembly in the arrow direction, input the said values to the sonic
belt tension meter (manufactured by UNITTA), measure the tension at the locations shown below,
and then adjust the tension within the required range.
•
Values to be input to the sonic belt
tension meter
L
specification
XL specification
Weight 2.5
Width 9.0
12.0
Span 170
•
Required range: 42.5
±
2.5N
⋅
m
5-11-3. Placing the Support Table Surface Horizontally
To check flatness of the support table, attach a lever dial to the head's OCC camera bracket and
measure flatness near the center of each area circled in the figure below. Adjust the height of the
table so that the difference in flatness at the four positions is within 0.02 mm.
調節ねじ(中央)
Figure 5-11-3-1 Measurement Locations and Adjustment Screw
Adjustment screw
(center)
Figure 5-11-2-1 Belt Tension Measurement
and Adjustment Position
Measuring
position
Weaker
Stronger
Measuring
position
Figure 5-11-1-1
Motor and Torque Supporter