8.
Maintenance
8-13
KRF
8. Maintenance
(1) Mount the P type nozzle to the grease gun.
(2) Make sure the center of the inner block are fitted to the grease hole position.
(3) Supply grease from the grease holes provided on the side face of the outer rail(on the right
and left sides).
(4) Stroke the table to apply the grease.
(5) Repeat this process several times until the amount of grease reaches the specified level. For
the amount of grease, see Table 7.
Note)
Make sure that you supply the grease several times. If you supply the specified amount of
grease at once, the grease may not go around all the corners.
Ball screw lubrication
Grease gun
(1) Mount the P type nozzle to the grease gun.
(2) Supply grease directly to the raceway of the ball screw.
(3) Stroke the table to apply the grease.
(4) Repeat this process several times until the amount of grease reaches the specified level. For
the amount of grease, see Table 7.
Note)
Make sure that you supply the grease several times. If you supply the specified amount of
grease at once, the grease may not go around all the corners.
Model number
LM guide part
Screw shaft
Amount of
application
[cm
3
]
Grease gun
Number of strokes
Amount of application
[cm
3
]/100 mm
Grease gun
Number of strokes/
100 mm
KRF4
0.4
0.67
0.30
0.49
KRF5
1
1.67
0.16
0.27
KRF6
1.34
2.23
0.93
1.54
Table 7 Amount of greasing
