Festo DPDM-25-5-S-PA Manual

Festo Ikke kategoriseret DPDM-25-5-S-PA

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Side 1/2
DPDM
Compact cylinder
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
Operating instruction
8185591
2023-01
[8185593]
8185591
Translation of the original instructions
© 2023 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
–Only use the product in its original condition without unauthorised modifica-
tions.
–Observe the identifications on the product.
–Take into account the ambient conditions at the location of use.
–Store the product in a cool, dry environment protected from UV and corrosion.
Keep storage times short.
–Before working on the product, switch off the compressed air supply and lock it
to prevent it from being switched on again.
–Observe the tightening torques. Unless otherwise specified, the tolerance is
±20%.
2.2 Intended use
The compact cylinder moves masses and transmits forces. The product is
intended for use in industrial environments.
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 knowledge
and experience in pneumatics.
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 Product design
1
2 3
4
5
6
Fig. 1: Compact cylinder DPDM
1
Male or female thread
2
Through-hole (4x)
3
Pneumatic port 1
4
Pneumatic port 2
5
Slot for proximity switch (4x)
6
Thread
4.2 Function
–DPDM(-Q)-...-P/-S: when the cylinder chamber is pressurised at pneumatic port
1 or 2, the piston rod moves outwards or inwards. The integrated return spring
moves the piston rod inwards or outwards. The cylinder force varies during
advance and retraction. The position of the piston can be queried by proximity
switches.
–DPDM(-Q): when the cylinder chamber is pressurised at pneumatic port 2, the
piston rod moves outwards. When the cylinder chamber is pressurised at pneu-
matic port 1, the piston rod moves inwards. The cylinder force is equal during
advance and return. The position of the piston can be queried by proximity
switches.
5 Assembly
5.1 Mounting compact cylinder
Requirement:
–The product is installed without tension.
• Avoid mechanical misalignment between the piston rod and an external guide
with one of the following measures:
–precise alignment
–use of a self-aligning rod coupler FK
–use of a guide unit FEN with compensating coupling
A rigid coupling will reduce the service life and adversely affect the function of the
cylinder.
• Fasten the cylinder with 2 screws. Observe the tightening torque.
DPDM -6 -10 -16 -20 -25 -32
Thread M3 M3 M4 M5 M6
Tightening torque [Nm] 1 1 2.5 5 8
5.2 Mounting accessories
• Use one-way flow control valves to adjust the velocity.
–DPDM(-Q)-...-P/-S: GRLA, exhaust air flow control
–DPDM(-Q): GRLZ, supply air flow control
• DPDM(-Q)-...-A: use proximity switches with mounting kit. Avoid external
influence caused by magnetic or ferritic parts in the vicinity of the proximity
switches. Distance 10mm³
6 Installation
Requirement:
–Suitable shock absorbers or external stops are fitted with maximum payload,
maximum piston velocity or when using quick exhaust valves.
–Piloted check valves are fitted for vertical or inclined mounting position.
• Connect tubing to the pneumatic ports.
7 Commissioning
1. Pressurise the complete system. A soft start valve is used for the gradual
start-up pressurisation.
2. With medium or large payloads or at high velocities:
–Use an arrester fixture with sufficient sizing.
DPDM(-Q)-...-P/-S:
1. Close the one-way flow control valve completely, then open it again by one
revolution.
2. Pressurise the cylinder on the connection side.
ÄThe piston rod moves to the end position.
3. Exhaust the cylinder.
ÄThe spring return moves the piston rod to the other end position.
4. Start the test run.
5. If needed: correct velocity at the one-way flow control valves. The piston rod
should reach the end stop without hard impact or rebounding.
DPDM(-Q):
1. Screw the one-way flow control valves all the way in on both sides, then
loosen by one revolution.
2. Pressurise the cylinder simultaneously on both connection sides.
ÄThe piston rod moves slightly to a point of balance.
3. Exhaust the cylinder on one side.
ÄThe piston rod moves to an end position.
4. Start the test run.
5. If needed: correct velocity at the one-way flow control valves. The piston rod
should reach the end stop without hard impact or rebounding.
8 Cleaning
• Clean the product with a clean, soft cloth and non-abrasive cleaning agents.
9 Fault clearance
Malfunction Cause Remedy
Irregular motion of the piston
rod.
Lack of lubricant. –Relubricate the cylinder as
specified by the wearing parts
sheet è3 Additional infor-
mation.
The one-way flow control valves
restrict the supply air.
–Reduce the flow control of the
supply air.
Malfunction Cause Remedy
Irregular motion of the piston
rod.
The piston rod is dirty. Clean the cylinder.–
–Install a covering.
–Relubricate after cleaning.
The supply air is insufficient. Keep the tubing short and–
select suitable cross sections.
–Select the correct operating
pressure.
–Keep the operating pressure
constant.
The pressure is too low. Connect a volume upstream.–
The piston does not move to the
end position.
The cylinder is damaged. Replace the cylinder.–
Foreign matter in the cylinder. Filter the compressed air.–
The cylinder travels to an
external end stop.
–Readjust the end stop.
False triggering during position
sensing
The temperatures are too high
or too low
–Maintain the permissible tem-
perature range.
The proximity switches are
defective.
–Replace the proximity
switches.
Tab. 1: Fault clearance
10 Technical data
10.1 Technical data, general
DPDM -6 -10 -16 -20 -25 -32
Mounting position Any
Cushioning Elastic cushioning rings/plates at both ends
Pneumatic port M5 G1/8
Operating medium Compressed air to ISO 8573-1:2010[7:4:4]
Information on the operating
medium
Lubricated operation possible, in which case lubricated
operation will always be required
Ambient temperature [°C] –20…+80
Tab. 2: Technical data, general
10.2 Technical data, pneumatic
DPDM -6 -10 -16
Operating pressure
DPDM(-Q) [MPa] 0.2…0.8 0.15…0.8
[bar] 2…8 1.5…8
[psi] 29…116 21.8…116
DPDM(-Q)-...-P/-S [MPa] 0.25…0.8 0.2…0.8
[bar] 2.5…8 2…8
[psi] 36.3…116 29…116
Tab. 3: Technical data, pneumatic DPDM-6…-16
DPDM -20 -25 -32
Operating pressure
DPDM(-Q) [MPa] 0.1…0.8
[bar] 1…8
[psi] 14.5…116
DPDM(-Q)-...-P/-S [MPa] 0.2…0.8 0.15…0.8
[bar] 2…8 1.5…8
[psi] 29…116 21.8…116
Tab. 4: Technical data, pneumatic DPDM-20…-32

Produkt Specifikationer

Mærke: Festo
Kategori: Ikke kategoriseret
Model: DPDM-25-5-S-PA

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