FX-1/FX-1R Maintenance Manual
<Procedure>
c Put the screw in the tap of the Z-motor and lock the mounting screw with the screw pulled in
the direction indicated by an arrow with a force of 21.6 N (2.2 kgf) using a tension gauge.
d Using a tension gauge, check that the belt tension is in a proper tension range of 10.5 ±1N.
2-5
Tension gauge set values
Weight: 0.9 g/m
Width: 8 mm
Span: 64.5 mm
Apply Loctite 242 to the Z-motor mounting
screws (3 pcs.) and tighten them with a
tightening torque of 2.3 Nm.
Pull
Timing belt Z
When tightening the setscrew of the Z-motor
pulley, make sure to align the orientation of the
flat part of the Z-motor shaft and the setscrew of
the pulley. Tighten the setscrew with a torque of
0.5 Nm.
(7) After the Z-axis motor has been assembled, obtain the PWB top surface height of the MS
parameter. If this value is not in a range of 1 to 5 mm, shift the pulley and belt running part
positions. Obtain the MS parameter again and check that the PWB top surface height is in a
range of 1 to 5 mm.
1 to 5 mm Stable area
Z-sensor OFF area
6 mm
(Stroke for one rotation
of the Z-axis ball screw)
Z-sensor ON area
Rev. 2.00
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