FX-3R Maintenance Guide
1-1
DANGER
To prevent any trouble caused by accidental machine start, always
shut-down the power before starting the maintenance and
adjustment work.
The XY-axis uses a very strong magnet.
• Do not put any metallic object close to the magnet surface. Once the
magnet attracts a metallic object, this object cannot be removed due to
strong magnetic force.
• Before starting the maintenance work, take off precision portable devices,
such as a wrist watch from your body.
• Do not allow personnel who uses a precision medical device, such as an
artificial cardiac pacemaker, etc to carry out the maintenance work.
[1] X-Y UNIT
1-1. Replacing the Magnescale
(1) Detach the magnescale head from the bracket.
(2) Peel off the old magnescale.
(3) Degrease the magnescale mounting surface and magnescale completely.
Note 1: Before replacing the magnescale, put the magnescale near the machine and leave
it for 1 hr. or longer to make the temperature of the magnescale similar to that of the
machine.
Note 2: “Mecha fine mate” is recommended for the degreasing agent.
Note 3: Deviation amount when compared to the specified value of the magnescale in the
X-direction:
±
0.1 mm or less.
Note 4: Do not put any magnet, such as magnetized screwdriver or support pin close to the
magnescale. Doing so may cause the magnescale to malfunction.
Note 5: The magnescale has a correct orientation. Affix it in the direction shown in the figure
below.
LR RR
LF RF
40091396
40048080（For XL）
Magnescale Y
40048026
Magnescale X
(∗ S/N: Serial No. of the magnescale)
Figure 1-1-1 Affixing Orientation of the Magnescale (Main Body Top View)
Rev. 1.00
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