Eliminating Faults; Technical Specifications - Festo HGP A Serie Instrucciones De Utilizacion

HGP−...−A−B(−G..)
11

Eliminating faults

Fault
Gripper cannot hold mass
Proximity switch does not
show gripping status
Gripper does not open/
close
Fig. 22
12

Technical specifications

Type
Part no.
Design
Medium
Mounting position
Compressed air
Pneumatic connection
(tightening torque)
Stroke per gripper jaw
28
Possible cause
Mass too large
Input pressure too low
Centre of pressure of
gripper fingers too far
out
Proximity switch set
incorrectly
Cable fracture
No compressed air
Gripper defective
HGP−10−.. HGP−16−..
197 542...197 553; 525 889...525891
Double−acting parallel gripper
Filtered, lubricated or non−lubricated compressed air
(filter fineness min. 40 ìm)
As desired
Min. 2 ... max. 8 bar
M3 M3
(1,2 Nm) (1,2 Nm)
3 mm 5 mm
Remedy
Select larger gripper
Increase input pressure (up to max.
permitted value)
Move centre of pressure inwards
Checking the position and calibration
of the proximity switch
Replace the connecting cable
Checking the compressed air
connections
Return the gripper to Festo
HGP−20−.. HGP−25−..
Min. 5 ... max. 8 bar (with HGP−...−G..)
G x
M5
(5,9 Nm) (7 Nm)
6.5 mm 7.5 mm
Festo HGP−...−A−B(−G..) 0405b English
HGP−35−..
G x
(7 Nm)
12.5 mm