Festo DHEF-20-A Handleiding
Festo
Niet gecategoriseerd
DHEF-20-A
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Translation of the original instructions
1 Further applicable documents
All available documents for the product www.festo.com/pk.è
2 Safety
2.1 Safety instructions
– Take into consideration the ambient conditions at the location of use.
– Only use the product in original status without unauthorised modifications.
– Observe labelling on the product.
– Store the product in a cool, dry, UV-protected and corrosion-protected envir-
onment. Ensure that storage times are kept to a minimum.
– Prior to mounting, installation and maintenance work: Switch off compressed
air supply and secure it from being switched back on.
– Observe tightening torques. Unless otherwise specified, the tolerance
is±20%.
2.2 Intended use
The product is intended to be used for gripping objects from the outside.
2.3 Foreseeable misuse
The product is not intended for use as a stopper cylinder, shock absorber or linear
drive.
2.4 Training of qualified personnel
Installation, commissioning, maintenance and disassembly should only be con-
ducted by qualified personnel.
The skilled personnel must be familiar with the installation of pneumatic control
systems.
3 Further information
– Accessories www.festo.com/catalogue.è
– Spare parts www.festo.com/spareparts.è
4 Service
Contact your regional Festo contact person if you have technical questions
èwww.festo.com.
5 Product overview
5.1 Function
When the supply ports are pressurized, a piston rod moves out and in. The intern-
al piston rod is connected to the tip of the inverting cap. When the piston rod is
retracted, the inverting cap is turned inside out. This forms an indentation of the
surface of the inverting cap in which an object is enclosed and gripped.
5.2 Product design
1
Centring collar
2
Hole for mounting (4x)
3
Orientation hole (3x)
4
Supply port C (inverting cap)
5
Supply port B (advance)
6
Supply port A (retract)
7
Slot for proximity sensor (2x)
8
Bayonet catch for inverting cap
9
Inverting cap
Fig. 1 Product design DHEF
6 Mounting
6.1 Assembly of product
Fig. 2 Mounting DHEF
The DHEF fits into a mounting interface in accordance with
ISO9409-1-50-4-M6:2004-03.
1.
Use the centring collar ( 31.5mm) for centring.1Æ
2. Mount adaptive shape gripper with 4 screws (M6).
6.2 Mounting accessories
If required:
• Use one-way flow control valves directly in the supply ports.
Ä
They can be used to adjust the retraction and extension speed.
To query the piston position:
• Use proximity sensors in the slot www.festo.com/catalogue.7è
8102537
DHEF
Adaptive shape gripper
8102537
2019-01
[8102539]
Instructions| Operating
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
7 Pneumatic installation
Requirement:
1. Adjust pressure for the inverting cap at the port with a pressure regulator. 4
2. Maintain maximum pressure 13 Technical data. Recommended pressureè
regulators www.festo.com/catalogue.è
Fig. 3 Alternative pneumatic ports
• Connect hoses to supply ports to 5.2 Product design. 4 6 è
Alternative ports (axial) are delivered closed with plug screws and must be
opened as required.
To avoid confusion:
• Use a smaller hose diameter for port .4
8 Commissioning
Requirements
– Objects must always be approached centrically only with the adaptive shape
gripper to eliminate the possibility of transverse loads on the piston rod.
– The inverting cap must be continuously pressurised with low pressure
è 7 Pneumatic installation.
– For use in the human-robot collaboration area: use face connections.
– Do not use pointed objects with sharp edges. They may damage the inverting
cap and affect its function.
– Maintain permissible velocities (with/without gripped object) and note the
gripper stroke 13 Technical data.è
Initial position for test run:
– adaptive shape gripper is advanced.
– Supply ports and are exhausted.5 6
Processing
• Start test run in the specified sequence and process the required tests.
Test run Tests
without gripped object – Supply ports are correctly allocated.
– Permissible velocities are maintained.
– Operating pressure in the inverting cap is
maintained.
with gripped object – Object remains gripped in the inverting
cap throughout the gripping cycle.
Tab. 1 Tests in the test run
Fig. 4 Approach gripped object
1. Move advanced inverting cap tip to the object.
Fig. 5 Grip object
2. Press adaptive shape gripper on the object until the complete inverting cap
tip is retracted. Maintain recommended stroke of 63mm, otherwise the
internal piston will travel to the stop.
3. Pressurise supply port for retraction. 6
Ä
The object is gripped.
Fig. 6 Move gripped object
4. Move adaptive shape gripper to the placement position.
Fig. 7 Place gripped object
5. Move adaptive shape gripper away from the object and exhaust the supply
port . The operating pressure of the inverting cap is generally sufficient to6
press the inverting cap outwards.
Ä
The inverting cap advances and the object is in the placement position.
If the operating pressure in the inverting cap is not sufficient: pressurise
the supply port for advancing. 5
If the adaptive shape gripper is moved away slower than the inverting cap
advances, the extension force of the gripper presses on the object. If necessary,
reduce the operating pressure of the gripper.
9 Operation
Inspect inverting cap
Inspect the inverting cap for wear every day.
10 Maintenance
10.1 Replacement
Replacing inverting cap
Fig. 8 Replacing inverting cap
1. Exhaust adaptive shape gripper (including inverting cap).
2. Open bayonet catch and evert inverting cap.
3. Press the inverting cap tip into the coupling and at the same time push the
releasing ring towards the piston rod. This releases the inverting cap from the
coupling.
4. Mount new inverting cap assembly instructions for the inverting cap.è
10.2 Clean product
• Clean the outside of the product with a soft cloth as required. Cleaning agents
include all non-abrasive media.
11 Fault clearance
Error description Cause Remedy
Pressure is too low. Increase operating pressure
(drive) (only to the max. permit-
ted value).
Gripping speed is too fast. Reduce speed
Inverting cap is dirty. Clean inverting cap.
Inverting cap is worn. Replace inverting cap.
Control variant unsuitable Contact Festo Service.
Object is incorrectly aligned. Change orientation of object.
Operating pressure (cap) too
low with small objects.
Increase operating pressure
(cap) (only to the max. permit-
ted value).
Adaptive shape gripper does
not grip object tightly or loses it
during transport.
Object is unsuitable for the
adaptive shape gripper.
Contact Festo Service.
No compressed air or operating
pressure is too low.
Check supply ports or increase
operating pressure of the grip-
per (only to the max. permitted
value).
Adaptive shape gripper does
not move.
Adaptive shape gripper is
defective.
Send adaptive shape gripper to
Festo.
Tab. 2 Fault clearance
12 Disposal
Dispose of the product and packaging at the end of its useful life through environ-
mentally friendly recycling in accordance with applicable regulations.
13 Technical data
Type code DHEF-20-A
Function pneumatically operated gripper with inverting cap
Pneumatic connection M5
Mounting position Any
Stroke [mm] 66
Operating medium Compressed air to ISO8573-1:2010 [7:4:4]
Information on operating
medium
Lubricated operation not possible
Operating pressure of drive [bar] 1…8
Operating pressure of cap [bar] 0.07…0.1 (nominal pressure: 0.08)
Recommended min. flow rate
for pressure regulator
[l/min] 10
Max. speed without gripped
object
[mm/s] 290
Max. speed for picking up
gripped object
[mm/s] 120
1)
Ambient temperature [°C] 0…+60
Storage temperature [°C] –20…+80
Max. operating frequency [Hz] 1
Force at 6 bar
– Retracting [N] 158
– Advancing [N] 189
Permissible transverse load,
dynamic
[N] 2.3
2)
Max. permissible impact
energy at the end positions
[J] 0.1
Materials
– Housing, cover Anodised aluminium
– Inverting cap VMQ (silicone)
– Scraper TPE
– Locking cover Polyamide
– Note on materials Includes substances containing PWIS
3)
Product weight [g] 475
1) adaptive shape gripper must be restricted.
2) at maximum advance
3) PWIS = paint-wetting impairment substances
Tab. 3 Technical data DHEF
Product specificaties
| Merk: | Festo |
| Categorie: | Niet gecategoriseerd |
| Model: | DHEF-20-A |
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