Festo ELFA-KF Series, Operating Instructions Manual

Page: 11 / 20

ELFA-KF/-RF
Festo – ELFA-KF/-RF – 2019-05d English 11
Lubricating the guide
1
2
3
4
5
1
Cover band
2
Relubrication openings
3
Cover
4
Threaded pin
5
Clamping element (
è
10 Accessories)
Fig. 11
1. Calculate the load comparison factor f
v
with
the aid of the formula for combined loads
(
è
12 Technical data).
2. Read lubrication interval S
int
(
è
Fig. 12).
Fig. 12
fv
Note
The lubrication interval S
int
is dependent on the load acting on the product.
Load factors:
– dusty and dirty environment
– Nominal stroke
,
2000 mm or

300 mm
– Speed
,
2 m/s
– Travel profile
Z
triangular operation (frequent acceleration and braking)
– Ambient temperature
,
+40 °C
– Service life of the product
,
3 years
If one of these factors applies, halve the lubrication interval S
int
.
If several factors apply at the same time, reduce the lubrication interval by three-
quarters.
3. Oil or grease the guide at all relubrication openings (
è
Fig. 11).
Accessories and permitted lubricant (
è
10 Accessories).