Trouble−Shooting - Festo HSW-AP Serie Instrucciones De Utilizacion

HSW−...−AP/A S
12 Trouble−shooting
Fault
Hard knocking in
stroke end stroke end
position
Faults in position
scanning
End positions not
reached
The double
rollers do not run
smoothly in the
path guide
Play of the guide
rail in the end
positions
Fig. 37
58
Possible cause
Shock absorber defective
Stop element overloaded:
Work load too heavy
Speed of the moveable mass
too high
Position of proximity switches
incorrect
Incorrect proximity switch type
fitted
Proximity switch defective
Ferritic parts in the vicinity of
the proximity switch
Setting of the stroke angle and
the z−stroke not correct
Link parts offset
Spring clamping element
defective
Remedy
Replace shock absorber
Reduce positioning speed
Correct position of proximity
switches
Use only proximity switches of
type SME/SMT−8−...
Replace proximity switch
Use parts made of non−magnetic
materials
Adjust end positions
(see chapter Fitting static
adjustment of the end
positions")
Align link parts so there is no
offset (see chapter Fitting
static adjustment of the end
positions")
Replace spring clamping
element
Festo HSW−...−AP/AS 0707a English