Festo DFPC-250 Manual

Festo Ikke kategoriseret DFPC-250

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Side 1/2
DFPC
Linear drive
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Deutschland
+49 711 347-0
Operating instructions
8165883
2021-10b
[8165885]
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 account the ambient conditions at the location of use.
–Only use the product in its original condition without unauthorised modifica-
tions.
–
Observe the identifications on the product.
–Before switching off the compressed air supply: secure the load on the piston
rod.
–Prior to assembly, installation and maintenance work: switch off the com-
pressed air supply and secure it against being switched back on.
–
Keep the travel path of the piston rod clear.
2.2
Intended use
The intended use of the product is to implement linear movements in a com-
pressed air machine in an industrial environment.
2.3 Training of qualified personnel
Work on the product may only be carried out by qualified personnel who can
evaluate the work and detect dangers. The qualified personnel have skills and
experience in dealing with pneumatic (open-loop) control technology.
3
Additional information
Contact the regional Festo contact if you have technical problems
è
www.festo.com.
4 Product design
1
2
3
4
5
6
7
Fig. 1:
Product design
1
Pneumatic port 2
2
Cylinder barrel
3
Extended tie rod
(only for DFPC-...-LB2)
4
Piston rod
5
Pneumatic port 1
6
Bearing cap
7
End cap
5 Function
Pressurising and exhausting the cylinder chambers causes the piston rod con-
nected to the piston to move back and forth.
Fig. 2:
Function
6
Transport and storage
Store the product in a cool, dry environment protected from UV and corrosion.
Keep storage times short.
Do not use the tie rods as a transport aid.
7
Assembly
• Fasten the linear drive to one of the mounting interfaces.
Potential mounting interfaces:
–Mounting thread on the bearing cap
–Extended tie rods (only for DFPC-...-LB2)
8 Pneumatic Installation
1. Remove the plugs at the pneumatic connections.
2. To set the travel speed, use one-way flow control valves.
3. Screw the fittings into the pneumatic connections 1 and 2.
9
Commissioning
Requirements
–
The linear drive is fully mounted and connected.
–The permissible impact energy at the end stop must not be exceeded
è
14
Technical data.
–The piston rod or the piston rod bearing must not be subjected to transverse
loads. The dead weight of the piston rod must be absorbed.
–
Take the permissible buckling load into account
è
14.1 Permissible buckling load.
Permissible impact energy at end stop
The permissible impact energy at the end stop is dependent on the impact
velocity and the mass of the moving payload.
Impact velocity and mass of the moving payload
Permissible impact velocity
Permissible mass of the moving payload
E
perm
Max. impact energy
m
Intrinsic
Moving mass (drive)
è
14 Technical data
m
Intrinsic
= moving mass with 0 mm stroke + added moving mass per 10 mm stroke
m
Load
Permissible mass of the moving payload
v Operating velocity
v
perm
Permissible impact velocity
Tab. 1: Impact velocity and mass of the moving payload
Commissioning the linear drive
1.
Pressurise the product slowly. A soft start valve is used for the gradual start-
up pressurisation .
2.
Screw the one-way flow control valves all the way in on both sides, then
loosen by one turn.
3.
Exhaust the cylinder on one side.
Ä
The piston rod moves to an end position.
4.
Start a test run.
5.
During the test run, check the velocity of the moving mass and the end stop.
10 Operation
WARNING
Risk of injury due to unexpected movement of components.
Body parts in the movement range of the piston rod can be crushed or severed.
• Protect the positioning range from unwanted intervention.
•
Keep foreign objects out of the positioning range.
•
Observe the operating conditions.
• Observe the permissible limit values.
11
Maintenance
If used as intended, the product is maintenance-free.
12 Fault clearance
Fault description Cause Remedy
Piston rod does not move in the
desired direction
Tubing lines reversed at the
ports
Correct the tubing lines at the
ports.
Uneven movement of the piston Input pressure too low Keep tubing lines short. Select
suitable cross sections.
Select correct pressure.
Transverse loads are applied to
the piston rod
Avoid transverse loads on the
piston rod.
Piston seal or piston rod seal
faulty
Replace product.
Piston does not move to end
position
Cylinder barrel damaged Replace product.
Piston rod damaged
Foreign matter in the product Replace product.
Filter compressed air.
Tab. 2: Fault clearance
13
Disassembly
1. Secure the load to the piston rod.
2. Depressurise the product.
3.
Disconnect the attachment from the piston rod.
4. Loosen the screws on the mounting interface.
14 Technical data
DFPC-... 80 100 125 160 200 250 320
Design Piston, piston rod, tie rod, cylinder barrel
Mode of operation Double-acting
Pneumatic
Connection
G1/8 G1/4
Stroke [mm] 10 … 1600
Cushioning Elastic cushioning rings at both end positions
Type of mounting DFPC-... (on flange in accordance with ISO 5210)
DFPC-...-LB2 (based on ISO 15552 with spacer bolts on the
bearing cap)
Flange hole pattern
ISO 5210
F07 F07 F10 F10 F10 F10/
F14
F10/
F14
Thread size
Tie rod
M8 M8 M10 M12 M16 M20 M20
Thread length of tie rod
DFPC-...-LB2
[mm] 10 … 120
1)
10 … 140
1)
Mounting position Any (transverse loads not permitted)
Position sensing Suitable for proximity switches
Solenoid valve connec-
tion
Via accessories VDI/VDE 3845 adapter plate
Max. impact energy at
the end positions
[J] 1.4 0.94 1.1 3.3 4.8 6.0 12.6
Operating and ambient conditions
Operating medium Compressed air to ISO 8573-1:2010 [7:4:4]
Information on the oper-
ating medium
lubricated operation possible, in which case lubricated operation
will always be required
Operating pressure [MPa] 0.06 … 0.8
[bar] 0.6 … 8
[psi] 9 … 116
Nominal operating pres-
sure
[MPa] 0.6
[bar] 6
[psi] 87
Ambient temperature [°C] –20 … +80
Vibration and shock
resistance
Severity level 1 in accordance with IEC 60068
2)
Materials
Cylinder barrel Wrought aluminium alloy, smooth anodised
Cover Gravity die-cast aluminium Aluminium
Tie rod High-alloy stainless steel
Piston rod High-alloy stainless steel
Piston Wrought aluminium alloy Gravity die-cast aluminium
Wiper seal piston rod TPE-U (PU)
Static seals NBR
Forces and air consumption
Theoretical force at
6 bar, advance
[N] 3016 4712 7363 12064 18850 29452 48255
Theoretical force at
6 bar, return
[N] 2827 4524 7069 11581 18096 28698 47077
Theoretical air con-
sumption at 6 bar per
10 mm, advance
[l] 0.35 0.55 0.86 1.41 2.20 3.44 5.63
Theoretical air con-
sumption at 6 bar per
10 mm, return
[l] 0.33 0.53 0.83 1.35 2.11 3.35 5.49
DFPC-... 80 100 125 160 200 250 320
Product weight with variable stroke
3)
Basic weight at 0 mm
stroke
[g] 1230 1667 2969 5949 10258 19297 33831
Added weight per
10 mm stroke
[g] 62 71 107 149 256 336 474
Moving mass at 0 mm
stroke
[g] 451 617 1060 2102 3575 5600 9869
Added moving mass per
10 mm stroke
[g] 25 25 39 64 105 105 151
1)
Variable value: thread length from bearing surface of bearing cap
2) The vibration and shock resistance is applicable up to a maximum stroke length of 400 mm.
3) For moving masses, added weights and basic weights: tolerance ± 15%
Tab. 3: Technical data
Type of severity level (SL)
Vibration load
Frequency range [Hz] Acceleration [m/s
2
]
Deflection [mm]
SL1 SL2 SL1 SG2 SL1 SL2
2 8 2 8 – – 3.5 3.5… … ± ±
8 27 8 27 10 10 – –… …
27 58 27 60 – – 0.15 0.35… … ± ±
58 160 60 160 20 50 – –… …
160 200 160 200 10 10 – –… …
Shock load
Acceleration [m/s
2
]
Duration [ms] Shocks per direction
SL1 SL2 SL1 SL2 SL1 SL2
± ±150 300 11 11 5 5
Continuous shock load
Acceleration [m/s
2
]
Duration [ms] Shocks per direction
±150 6 1000
Tab. 4: Type of severity level (SL)
14.1 Permissible buckling load
l [mm]
F [N]
0 400 800 1200 1600 2000
100
1000
10000
100000
DFPC-80
DFPC-100
DFPC-125
DFPC-160
DFPC-200
DFPC-250
DFPC-320
Fig. 3:
Permissible buckling load
–
F [N] = permissible buckling load
–l [mm] = stroke + piston rod extension E + piston rod thread extension L

Produkt Specifikationer

Mærke: Festo
Kategori: Ikke kategoriseret
Model: DFPC-250

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