Festo HGP A Serie Instrucciones De Utilizacion página 25

HGP−...−A−B(−G..)
Please note
S Observe the maximum permitted values for:
the gripping force (depending on holding force, holding point, eccentricity
and spring force; see catalogue specifications)
the maximum permitted weight force of the gripper fingers depending on the
closing time (see Technical specifications).
The weight force of the gripper fingers should be calculated.
Setting the closing time with long and heavy gripper fingers.
Tighten the restrictor screws of the up−stream GRLA−.../GRLZ−...:
S
at first completely,
then loosen one turn.
Start a test run in the following sequence:
S
Test run
Without work load
With work load
Fig. 18
1. Listen to the knocking of the piston.
Piston knock
Soft
Test run with points 2 and 3
continued
2. Loosen the restrictor screws of the up−stream GRLA−.../GRLZ−... one turn.
3. Repeat points 1 and 2 until the desired gripping speed is reached.
Finish the test run. The gripper must then be exhausted.
S
Festo HGP−...−A−B(−G..) 0405b English
Tests
Correct assignment of the compressed air
connections
Gripping speed
Function of the proximity switches
Reliable holding of the work load
Metallic
Tighten the restrictor screw one turn.
The maximum gripping speed is now reached.
Finish test run
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