Festo DHPC-20-A-B Bruksanvisning

Festo Ikke kategorisert DHPC-20-A-B

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Side 1/3
DHPC
Parallel gripper
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Deutschland
+49 711 347-0
www.festo.com
Operating instructions
8150807
2021-05a
[8150809]
Translation of the original instructions
© 2021 all rights reserved to Festo SE & Co. KG
1 Applicable Documents
All available documents for the product
è www.festo.com/sp.
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 environ-
ment. 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 intended use of the product is to grip and hold payloads (workpieces) using
custom-designed gripper fingers attached by the customer.
2.3 Training of qualified personnel
Installation, commissioning, maintenance and disassembly should only be con-
ducted by qualified personnel.
The specialized personnel must be familiar with the installation and operation of
electrical and pneumatic control systems.
3 Additional information
–Contact the regional Festo contact if you have technical problems
è www.festo.com.
–Accessories and spare parts è www.festo.com/catalogue.
4 Product overview
4.1 Function
–Alternating pressurisation of the supply ports causes a piston in the gripper to
move (double-acting).
–A gripper with integrated spring return is used to exert the gripper force. When
exhausting the single-acting gripper: the spring return moves the gripper jaws
to the initial position.
–N/O contact: NO (normally open)
–N/C contact: NC (normally closed)
–The piston movement is transmitted mechanically to the gripper jaws. Gripper
fingers are fastened to the gripper jaws. Closing or opening the gripper fingers
clamps the payload to the outer contour (external gripping) or the inner contour
(internal gripping).
–The gripping force is adjusted by external regulation of the operating pressure.
–The gripper has integrated fixed flow restrictors. If the max. gripper finger
weights and the max. gripper finger lengths are in compliance, an external flow
control is not required.
4.2 Structure
1
2
3
4
5
Fig. 1: Structure
1
Gripper jaw
2
Threaded hole for mounting
3
Locating hole
4
Supply port
5
Slot for proximity switch
5 Assembly
5.1 Preparing the gripper fingers
The gripper fingers are not included in the delivery.
Requirements for the gripper fingers è 11 Technical data:
–Observe the max. permissible forces and max. permissible torques at the
gripper jaw.
–Observe the max. length and max. weight.
–Use gripper fingers that are as short and light as possible.
–Manufacture gripper fingers that are suitable for the payload and type of grip-
ping action.
Size 6 10 16
Width at gripper jaws [mm] 4.3–0.05 5.4–0.05 7–0.05
Tab. 1: Width of gripper jaws
Size 20 25 32 40
Width at gripper jaws [mm] 8.3–0.05 12–0.05 15.2–0.05 18–0.05
Tab. 2: Width of gripper jaws
5.2 Mounting the gripper fingers
1 2 3 4
5
Fig. 2: Mounting the gripper fingers
1
Screw
2
Gripper finger
3
Gripper jaw A
4
Gripper jaw A-...-1
5
Gripper jaw A-...-2
• Position the prepared gripper fingers [2] on the gripper jaws [3], [4], [5] and
fasten each one with two screws [1]. Fix the gripper jaws in place during
mounting and use the specified tightening torque.
DHPC -6-... -10-...
A A-...-1 A-...-2 A A-...-1 A-...-2
Screw M3 M2 M3 M2.5
Tightening torque [Nm] 0.59 0.15 0.59 0.31
Tab. 3: Dimensions and tightening torque
DHPC -16-... -20-...
A A-...-1 A-...-2 A A-...-1 A-...-2
Screw M3 M4
Tightening torque [Nm] 0.59 1.4
Tab. 4: Dimensions and tightening torque
DHPC -25-... -32-...
A A-...-1 A-...-2 A A-...-1 A-...2
Screw M5 M6
Tightening torque [Nm] 2.8 4.9
Tab. 5: Dimensions and tightening torque
DHPC -40-...
A A-...-1 A-...-2
Screw M8
Tightening torque [Nm] 11.8
Tab. 6: Dimensions and tightening torque
5.3 Mounting gripper
If necessary, mount the proximity switches before mounting the gripper.
When using proximity switches for sensing the end position, take the following
into account:
• Interference from ferritic attachments, e.g. retaining screws made of ferritic
steel.
• Projecting proximity switches, if applicable.
• Cable outlet direction of the proximity switches.
• Sufficient space for the connection components.
• When sensing from both end positions: use separate slots for the proximity
switches.
Vertical mounting
1 2
Fig. 3: Direct mounting via thread in
the housing
1
Thread
2
Locating hole
Size 6 10 16 20 25 32 40
Thread [1] M3 M4 M5 M6 M8
Depth of thread 10 4.75 6.75 9.6 13 15 18
Tightening torque [Nm] 0.88 0.69 2.1 4.3 7.9 10 18
Locating hole for centring@
pin [2]
[mm] – 2H9 3H9 4H9 5H9
Depth of locating hole [mm] – 3 4 5
Tab. 7: Direct mounting via thread in the housing
1 2 3
Fig. 4: Direct mounting via through-
hole
1
Thread
2
Locating hole (not for size 6)
3
Depth of locating hole (not for
size 6)
Size 6 10 16 20 25 32 40
Thread [1] M2.5 M2.5 M3 M4 M5 M6
Tightening torque [Nm] 0.49 0.49 0.88 2.1 4.3 7.3
Locating hole for centring@
pin [2]
[mm] – 2H9 3H9 4H9 5H9
Depth of locating hole [3] [mm] – 3 4 5
Tab. 8: Direct mounting via through-hole
Horizontal mounting
1
2
Fig. 5: Horizontal mounting
1
Locating hole (not for size 6)
2
Thread
Size 6 10 16 20 25 32 40
Thread [2] M2 M3 M4 M5 M6 M8
Thread depth [mm] 4.5 4 4.5 7.5 10 13
Tightening torque [Nm] 0.15 0.9 1.6 3.3 5.9 13.7
Locating hole for centring@
pin [1]
[mm] – 2H9 3H9 4H9 5H9
Depth of locating hole [mm] – 3 3 4 5
Tab. 9: Horizontal mounting
Mounting on the bottom
1
2 3 4
Fig. 6: Mounting on the bottom
1
Thread
2
Locating hole (not for size 6)
3
Positioning via base provided by
customer
4
Axial mounting by customer
Size 6 10 16 20 25 32 40
Thread [1] – M3 M4 M5 M6 M8
Thread depth [mm] – 4 6 10 12 13 17
Tightening torque [Nm] – 0.88 2.1 4.3 7.3 7.9 17.7
Locating hole for centring@
pin [2]
[mm] – 2H9 3H9 4H9 5H9
Depth of locating hole [mm] – 3 4 5
Positioning via base provided by customer [3]
Locating hole [mm] – 12@H9 17H8 21H8 26H8 33H9 41H9
Depth of locating hole [mm] – 1.5 2 3 3.5 4
Axial mounting by customer [4]
Clamping surface [mm] 8@f8 12f8 16f8 20f8 25f8 32f8
Clamping surface height [mm] 10 15 18 20 23
Tab. 10: Mounting on the bottom
6 Installation
6.1 Pneumatic installation
NOTICE
Loss of function due to contamination in the connections.
• Keep ports and tubing lines free from dirt particles and foreign matter.
The use of a check valve prevents the payload from dropping in the event of
a sudden pressure drop. The use of a one-way flow control valve also permits
adjustment of the opening and closing time.
Fig. 7: Connection options
• Connect the compressed air supply to the supply port.
7 Commissioning
WARNING
Risk of injury due to falling loads.
• Before exhausting remove the payload.
1. Slowly pressurise gripper.
2. Set the opening and closing time with an upstream one-way flow control
valve: screw in the flow control screw completely and then unscrew it one
turn.
3. Perform a test run without payload.
Check the following:
–Allocation of the supply ports
–The reliable function of the proximity switches (if installed)
–Stop noise of the piston: the piston stop must be soft, that means not
audibly hard or metallic.
Piston stop Insight/conclusion
soft The gripper speed is correct or can be increased. With
upstream one-way flow control valve: unscrew the flow control
screw slightly. The gripper speed increases.è
hard/metallic The gripper speed is too high. With an upstream one-way flow
control valve: screw in the flow control screw until the piston
stop is no longer audibly hard or metallic. The gripperè
speed is reduced.
4. Perform a test run with payload.
ÄThe gripper must hold the payload securely.
5. After successful test runs:
–Remove the payload or lock to prevent it from falling.
–Exhaust the gripper.
8 Maintenance
8.1 Safety
WARNING
Risk of injury due to unexpected movement of the gripper fingers or falling
payload.
• Before exhausting: remove the payload at the gripper.
• Disconnect gripper from the compressed air supply.
8.2 Cleaning
Clean the product only with non-abrasive cleaning agents and soft cloths.
9 Malfunctions
9.1 Fault clearance
Error description Cause Remedy
Gripper does not hold payload
securely.
Insufficient operating pressure. Increase the operating pres-
sure. Observe the max. permis-
sible value.
The pressure point of the
gripper fingers is too far out-
wards.
Move the pressure point
inwards.
The payload is too heavy. Select a larger gripper.
Gripping only with return spring
force with incorrect gripping
direction.
Use the intended gripping
direction.
The gripper does not open/
close.
No compressed air. Check the supply ports.
The gripper is faulty. Replace the faulty parts
è www.festo.com/spareparts.
Replace the gripper è 9.2
Repair.
The proximity switch does not
indicate the gripper status.
The proximity switch is incor-
rectly adjusted.
Check and adjust the posi-
tion of the proximity switch
è www.festo.com/sp.
The connecting cable is discon-
nected.
Replace the connecting cable or
proximity switch è .
Tab. 11: Fault clearance
9.2 Repair
Send the product to the Festo repair service for repair.
10 Disassembly
WARNING
Risk of injury due to unexpected movement of the gripper fingers or falling
payload.
• Before exhausting: remove the payload at the gripper.
• Disconnect gripper from the compressed air supply.
1. Disconnect the gripper from the compressed air supply.
2. Remove the supply ports and retaining screws.
11 Technical data
Size 6 10 16
Pneumatic port M3 M3 M3
Mounting position any
Medium
Operating medium Compressed air to ISO 8573-1:2010 [7:4:4]
Notes on the
operating/pilot medium
lubricated operation possible, in which case lubricated
operation will always be required
Temperature
Ambient temperature [°C] –10 … +60
Storage temperature [°C] –10 … +80
Operating pressure
DHPC-...-A [MPa] 0.15 … 0.8 0.2 … 0.8 0.1 … 0.8
[bar] 1.5 … 8 2 … 8 1 … 8
[psi] 22 … 116 30 … 116 15 … 116
DHPC-L-...-A [MPa] – 0.2 … 0.8 0.1 … 0.8
[bar] – 2 … 8 1 … 8
[psi] – 30 … 116 15 … 116
DHPC-...-A-NO/-NC [MPa] 0.35 … 0.8 0.35 … 0.8 0.25 … 8
[bar] 3.5 … 8 3.5 … 8 2.5 … 8
[psi] 51 … 116 51 … 116 37 … 116
Total gripping force at 0.6 MPa (6 bar, 90 psi)
DHPC-...-A
Open [N] 14.6 51.2 125.4
Close [N] 11 43 107.8
DHPC-...-A-NO
Close [N] 7.8 32.8 86.8
DHPC-...-A-NC
Open [N] 10.4 39.2 101
Tab. 12: Technical data
Size 20 25 32 40
Pneumatic port M5 M5 M5 M5
Mounting position any
Medium
Operating medium Compressed air to ISO 8573-1:2010 [7:4:4]
Notes on the
operating/pilot medium
lubricated operation possible, in which case lubricated
operation will always be required
Temperature
Ambient temperature [°C] –10 … +60
Storage temperature [°C] –10 … +80
Operating pressure
DHPC-...-A [MPa] 0.1 … 0.8 0.1 … 0.8 0.1 … 0.8 0.1 … 0.8
[bar] 1 … 8 1 … 8 1 … 8 1 … 8
[psi] 15 … 116 15 … 116 15 … 116 15 … 116
DHPC-L-...-A [MPa] 0.1 … 0.8 0.1 … 0.8 – –
[bar] 1 … 8 1 … 8 – –
[psi] 15 … 116 15 … 116 – –
DHPC-...-A-NO/-NC [MPa] 0.25 … 0.8 0.25 … 0.8 0.25 … 0.8 0.25 … 0.8
[bar] 2.5 … 8 2.5 … 8 2.5 … 8 2.5 … 8
[psi] 37 … 116 37 … 116 37 … 116 37 … 116
Total gripping force at 0.6 MPa (6 bar, 90 psi)
DHPC-...-A
Open [N] 192.6 305.3 493.7 777.2
Close [N] 159.5 255.6 442.6 717.2
DHPC-...-A-NO
Close [N] 139.4 241.3 415.2 675
DHPC-...-A-NC
Open [N] 170.9 291.4 465.9 733.5
Tab. 13: Technical data

Produkspesifikasjoner

Merke: Festo
Kategori: Ikke kategorisert
Modell: DHPC-20-A-B

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