Festo CRDSNU-12-25-P-A Manual

Festo Ikke kategoriseret CRDSNU-12-25-P-A

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Side 1/2
Translation of the original instructions
© 2021 all rights reserved to Festo SE & Co. KG
1 Applicable documents
All available documents for the product www.festo.com/sp.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.
– 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 for the transport of loads.
2.3 Training of skilled personnel
Installation, commissioning, maintenance and disassembly should only be con-
ducted by qualified personnel.
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
èwww.festo.com.
5 Product overview
5.1 Function
The piston rod moves outwards when the cylinder chamber is pressurised. The
advanced piston rod is retracted as follows:
– For double-acting cylinders, by pressurising the other cylinder chamber.
The cylinder force during advance and return is:
– different with piston rod at one end.
The position of the piston can be detected by proximity switches.
5.2 Design
1
Male thread on the piston rod for
mounting the payload
2
Male thread on the bearing cap for
mounting
3
Supply ports in the bearing/end
cap
4
Cross hole for mounting
Fig. 1 Sample illustration CRDSNU
5.3 Mounting
• Handle the cylinder so as to avoid any damage to the cylinder barrel and pis-
ton rod.
• Observe the following points:
– parallel mounting when using external guides
– installation without distortion
– Compliance with the permissible loads www.festo.com/catalogueè
• Observe tightening torque of lock nuts on the male thread .2
Size 12 16 20 25 32 40 50 63 80 100
Tightening torque
on the bearing cap
[Nm] 15 15 40 40 60 80 100 100 550 550
Tab. 1 Tightening torques on the bearing cap
• Avoid mechanical alignment inaccuracies between the piston rod and an
external guide using one of the following measures:
– absolutely precise alignment (general)
– use of a self-aligning rod coupler FK
– use of a guide unit FEN with compensating coupling
A rigid coupling impairs the service life and function of the cylinder.
5.4 Mounting Accessories
In the case of a large payload, high piston speed or when using quick exhaust
valves:
• Use suitable shock absorbers or external stops.
To prevent the payload from sliding down suddenly in the event of an air supply
failure in a horizontal or sloping mounting position:
• Use piloted check valves.
To set the speed:
• Use one-way flow control valves in the following supply ports:
– For single-acting cylinders: GRLZ (supply air)
– For double-acting cylinders: GRLA (exhaust air)
The one-way flow control valves are screwed directly into the supply ports. Use of
other accessories with a screw-in depth that is too long will damage the cushion-
ing piston.
For position sensing with proximity sensors:
• Use proximity sensors with mounting kit.
Avoid external influence caused by magnetic or ferritic parts in the vicinity of
the proximity sensors (spacing 10mm).³
6 Installation
6.1 Pneumatic Installation
• Connect tubing to supply ports.
7 Commissioning
7.1 Preparation
• Pressurise the system slowly. A soft start valve is used for gradual start-up
pressurisation www.festo.com/catalogue. è
With medium or large payloads or at high speeds:
• Use sufficiently large arrester fixtures. The product will tolerate the maximum
velocities and payloads without external arrester fixtures
èwww.festo.com/catalogue
8143197
CRDSNU
Round cylinder
8143197
2021-01c
[8143199]
Operating instructions
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
7.2 Processing
NOTICE!
Risk of collision due to payloads that project into the setup region of the product.
• Only turn adjusting screws while the product is stationary.
1. First of all, close the one-way flow control valves on both sides completely,
then unscrew them one complete turn.
2. Pressurise the cylinder simultaneously at both ends.
Ä
The piston rod moves slightly to a point of balance.
3. Exhaust the cylinder at one end.
Ä
The piston rod moves to an end position.
4. Start the test run.
5. If the piston rod strikes hard against the end positions or rebounds, correct
the speed using the one-way flow control valve.
8 Maintenance
8.1 Cleaning
NOTICE!
• Do not use aggressive cleaning agents.
• Do not clean the guide elements. Regularly removing the lubricant from the
surface of the piston rod reduces the service life.
• Clean the product with a soft cloth.
The cylinder is furthermore maintenance-free owing to the lifetime lubrication.
9 Malfunctions
9.1 Fault clearance
Fault description Cause Remedy
Lack of lubricant. Apply lubricant in accordance
with wearing parts sheet
èwww.festo.com/spareparts.
One-way flow control valves
restrict the flow of supply air.
Control the exhaust air flow if
possible (not the supply air).
Piston rod is dirty. – Clean the cylinder.
– Provide covering (relubric-
ate after thorough clean-
ing).
Insufficient supply air (stick
slip)
– Keep the tubing lines
short and select suitable
cross-sections.
– Select correct pressure.
– Keep pressure constant.
Pressure is too low. Connect volume upstream.
Irregular movement of the pis-
ton rod (cylinder jolts).
Guide is not parallel to direction
of stroke.
Use self-aligning rod coupler as
in accessories
èwww.festo.com/catalogue.
Cylinder barrel is damaged. Replace cylinder.
Setting screw for end-position
cushioning is completely
closed.
Loosen setting screw.
Foreign matter in the cylinder. Filter the compressed air.
Piston does not travel to end
position.
Cylinder travels to an external
end stop.
Readjust the end stop.
Temperatures too high or too
low.
Comply with permissible tem-
perature range of the proximity
sensors.
False triggering during position
sensing.
Fault at proximity sensor  Instruction manual for prox-è
imity sensor
Tab. 2 Fault clearance
10 Disposal
ENVIRONMENT!
Send the packaging and product for environmentally sound recycling in accord-
ance with the current regulations www.festo.com/sp.è
11 Technical data
Size 12 16 20 25 32
Pneumatic port M5 G1/8
Piston rod thread M6 M8 M10x1.25
End-position cushioning P elastic cushioning rings/plates, at both ends
PPS – pneumatic cushioning, both ends, self-adjust-
ing
PPV – pneumatic cushioning, both ends,
adjustable
Mounting position any
Operating medium Compressed air according 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)
Operating pressure [MPa] 0.1…1
[psi] 14.5…145
[bar] 1…10
Ambient temperature
CRDSNU-... [°C] –20…+80
CRDSNU-...-A1 [°C] 0…+80
CRDSNU-...-S6 [°C] 0…+120
CRDSNU-...-TT [°C] –40…+80
Theoretical force
Theoretical force at 0.6 MPa
(87 psi, 6 bar), advance
[N] 68 121 188 295 483
Theoretical force at 0.6 MPa
(87 psi, 6 bar), return
[N] 51 104 158 247 415
Weight
Basic weight [g] 101 130 310 410 670
Additional weight per 10mm
stroke
[g] 4 5 7 11 15
Tab. 3 Technical data CRDSNU
Size 40 50 63 80 100
Pneumatic port G1/4 G3/8 G1/2
Piston rod thread M12x1.25 M16x1.5 M20x1.5
End-position cushioning P elastic cushioning rings/plates, at both ends
PPS pneumatic cushioning, both ends, self-adjusting
PPV pneumatic cushioning, both ends, adjustable
Mounting position any
Operating medium Compressed air according 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)
Operating pressure [MPa] 0.1…1
[psi] 14.5…145
[bar] 1…10
Ambient temperature
CRDSNU-... [°C] –20…+80
CRDSNU-...-A1 [°C] 0…+80
CRDSNU-...-S6 [°C] 0…+120
CRDSNU-...-TT [°C] –40…+80
Theoretical force
Theoretical force at 0.6 MPa
(87 psi, 6 bar), advance
[N] 754 1178 1870 3016 4712
Theoretical force at 0.6 MPa
(87 psi, 6 bar), return
[N] 633 990 1682 2721 4418
Weight
Basic weight [g] 1327 2020 2943 5891.2 8527.1
Additional weight per 10mm
stroke
[g] 24 40 44 68 75
Tab. 4 Technical data CRDSNU

Produkt Specifikationer

Mærke: Festo
Kategori: Ikke kategoriseret
Model: CRDSNU-12-25-P-A

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