Festo DGST-12-80-PA Manual de Usario

Festo No categorizado DGST-12-80-PA

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DGST
Mini slide
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Deutschland
+49 711 347-0
www.festo.com
Operating instructions
8159550
2021-09d
[8159552]
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.
Documents Product Table of contents
Operating instructions Shock absorber DYSS-G8 –
Operating instructions Shock absorber DYEF-G8 –
Tab. 1
2 Safety
2.1 Safety instructions
–Only use the product in its original condition without unauthorised modifica-
tions.
–Take into account the ambient conditions at the location of use.
–Observe the identifications on the product.
–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.
2.2 Intended use
The product is intended for the space-saving transport of masses. The product is
approved for slide operating mode.
Fig.1
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.
–Accessories and spare parts è www.festo.com/catalogue.
4 Function
The product is a non-rotating twin-piston drive with bearing guide.
The slide is moved back and forth by alternate pressurisation of the supply ports.
The slide is braked at the end position by shock absorbers.
5 Product design
1 2 3 4 5
6
78910
Fig.2
1
Centring
2
Thread for mounting the payload
3
Slide
4
Shock absorber with threaded
sleeve
5
Drilled holes for mounting the
mini slide from above
6
Slot for proximity switch
7
Thread for mounting the mini
slide (concealed underneath)
8
Supply port (advance)
9
Supply port (retract)
10
Thread with centring hole for
mounting the payload
6 Transport
NOTICE
Unexpected and unbraked movement of components
• Secure moving components for transport.
1. Take product weight into account
è 11 Technical data.
2. Maintain the support clearance of 300 mm when attaching transportation£
equipment.
7 Assembly
7.1 Preparation
–Position the product to ensure that the operating elements are accessible,
e.g. the clamping components for the shock absorbers.
–Mount the product without torsional stresses.
–Mount the product on a mounting surface with a flatness of 0.05% of the stroke
length, but max. 0.1 mm.
–If necessary: select the mounting components or the accessories. The centring
sleeves are not included in the scope of delivery.
To prevent collisions: mount the mounting components outside the positioning
range.
7.2 Mounting mini slide
1. Mount drive ensuring that the minimum number of screws is used.
Direct fastening Through-hole mounting
2. Tighten screws evenly.
DGST -6 -8 -10 -12 -16 -20 -25
Minimum number of screws dependent on the stroke
10 150 [mm] 2 2 2 2 2 2 2…
200 [mm] – 3
Direct fastening
Screw M4 M4 M5 M5 M6 M8 M8
Centring [H7] [mm] 5 5 7 7 9 12 12
Through-hole mounting
Screw M3 M3 M4 M4 M5 M6 M6
Centring [H7] [mm] 5 5 7 7 9 12 12
7.3 Mini slide attachment
• Mount the attachment on the slide or the yoke plate with screws and centring
elements. Observe the maximum screw-in depth D.
If necessary: select the mounting components or the accessories
è www.festo.com/catalogue. The centring sleeves are not included in the
scope of delivery.
Mounting with 2 screws Mounting with 4 screws
DGST -6 -8 -10 -12 -16 -20 -25
Mounting on the slide (top)
Screw M3 M3 M4 M4 M5 M5 M6
Max. screw-in depth D [mm] 3.1 5.5 4.5 5.2 7.2 8 11
Centring [H7] [mm] 5 5 5 5 5 12 12ÆÆÆÆÆÆÆ
Mounting on the slide with 2 screws (front)
Screw – M3 M3 M4 M4 M5 M6
Max. screw-in depth D [mm] – 4.7 5.2 6.4 6.4 7.4 7.4
Centring [H7] [mm] – 5 5 7 7 12 12Æ Æ Æ Æ Æ Æ
Mounting on the slide with 4 screws (front)
Screw M3 M3 M4 M4 M5 M5 M6
Max. screw-in depth D [mm] 4.5 4.5 6.5 6.5 8 8 10
Centring [H7] [mm] Æ
2H8
Æ Æ Æ Æ Æ Æ 5 5 7 7 12 12
7.4 Mounting the proximity switches
For position sensing with proximity switches:
Fig. 3: Position sensing
1. Slide the proximity switches into the slots
è Fig. 3.
2. Avoid external influence caused by magnetic or ferritic parts in the vicinity of
the proximity switches. Check the required clearance for the specific applica-
tion.
3. To prevent contamination: use slot covers on all unused slots
è www.festo.com/catalogue.
7.5 Mounting one-way flow control valves
To set the velocity:
• Use one-way flow control valves in the supply ports. They are screwed directly
into the supply ports.
To secure the payload from dropping if the pressure fails:
• Use check valves.
8 Commissioning
8.1 Preparation
NOTICE
Unexpected movement of components.
• Keep foreign objects out of the positioning range.
• Initiate start-up at low speed.
• Slowly pressurise the complete system. Use the on-off valve HEL for slow
start-up pressurisation.
With medium or large payloads or at high speeds:
• Use the sufficiently dimensioned arrester fixtures.
Without the use of external arrester fixtures, the product will withstand the
maximum speeds and payloads defined in the catalogue or the technical
data.
8.2 Adjustment of slide end positions
In the factory settings for the mini slide DGST-...-P/-Y12 the minimum distance L
of the shock absorbers specified below for the slide end positions must be
observed.
Fig. 4: Adjustment of the slide end positions
1. Loosen the threaded sleeves.
2. Position the slides one after the other at the retracted and advanced end
positions.
3. At the end position: screw in the shock absorber to the end position. Do not
exceed the maximum torque when screwing the internal hexagon socket/slot.
Maintain the minimum distance L. If the minimum distance L is not long
enough, the shock absorbers will not be completely effective and the product
will impact internally. This can lead to the destruction of the product.
DGST -6 -8 -10 -12 -16 -20 -25
Shock absorber
DYEF-G8-M...-Y1 4 5 6 8 10 12 14
DYEF-G8-M...-Y1F 4 5 6 8 10 –
DYEF-G8-S-M... 4 5 6 8 10 12 14
DYSS-G8-... 2 3 4 5 7 8 10
Minimum distance L of the mini slide at retracted end position
DGST-...-E-... [mm] 2.1 0.8 0.5 0.7 0.8 1
DGST-...-P-... [mm]
DGST-...-P1-... [mm] 3.1 2.7 2.6 – –
DGST-...-Y12-... [mm] 2.9 3.1
DGST -6 -8 -10 -12 -16 -20 -25
Shock absorber
DYEF-G8-M...-Y1 4 5 6 8 10 12 14
DYEF-G8-M...-Y1F 4 5 6 8 10 –
DYEF-G8-S-M... 4 5 6 8 10 12 14
DYSS-G8-... 2 3 4 5 7 8 10
Minimum distance L of the mini slides at extended end position
DGST-...-E-... [mm] 1.05 1.1 1 1.2
DGST-...-P-... [mm]
DGST-...-P1-... [mm] 1.55 1.5 1.6 – –
DGST-...-Y12-... [mm] 1.5 1.7
4. At the end position: pressurise the slide as a counterhold to the shock
absorber. Tighten the threaded sleeve to the specified tightening torque.
DGST -6 -8 -10 -12 -16 -20 -25
Shock absorber
DYEF-G8-M...-Y1 4 5 6 8 10 12 14
DYEF-G8-M...-Y1F 5 5 6 8 10
DYEF-G8-S-M... 4 5 6 8 10 12 14
DYSS-G8-... 2 3 4 5 7 8 10
Internal hexagon/slot on the shock absorber
Max. torque [Nm] 0.1 0.5 0.6 1 3 5 10
Threaded sleeve
Tightening torque [Nm] 0.4 0.64 0.8 1.6 2.4 4 6.4
Tolerance ± 20%
NOTICE
The exact slide position must be checked during a test run with compressed air
applied and, if necessary, corrected.
1. When operating the DGST-...-E1: restrict the speed.
2. Observe the permissible impact energies è 11 Technical data.
3. Suitable shock absorbers can retrofitted to the product
è www.festo.com/catalogue.
8.3 Test run
NOTICE
Risk of collision by payloads that protrude through the rotor/slide.
• Only turn adjusting screws while the rotor/slide is stationary.
Fig.5
1. Fully close the one-way flow control valves on both sides, then open them one
complete revolution.
2. Pressurise the drive on both sides simultaneously.
ÄThe slide moves slightly to a point of balance.
3. Then exhaust the drive on one side.
ÄThe slide moves to an end position.
4. Start the test run.
5. If needed: correct speed at the one-way flow control valves. The slide should
reach the end positions without striking them harshly or recoiling.
9 Cleaning
Clean the product with a clean, soft cloth and non-abrasive cleaning agents.
For use with reduced particle emission:
–Remove abraded particles and soil from the product:
–Prior to initial commissioning
–Regularly during operation
10 Malfunctions
10.1 Fault clearance
Fault description Cause Remedy
The slide moves unevenly. The one-way flow control valves
are not installed correctly.
Control the exhaust air flow.
The slide is in initial position
despite pressurisation.
The tubing is faulty. Check the tubing.
The slide speed is too low. The air volume is insufficient. –Increase the connection
cross-sections.
–Check the flow control valve
setting.
–Connect a volume upstream.
The slide stops in the end posi-
tion without cushioning.
The speed is too high. Reduce the speed.
The cushioning is too low. –Re-adjust the shock
absorber and the (fixed)
stop è 8.1 Preparation.
–Reduce the speed.
–Check the shock absorbers
and replace if necessary.
The air cushion is not present. Pressurise both supply ports
simultaneously, then exhaust
one side.
The shock absorbers are faulty. Replace the shock absorbers.
The payload is too large Reduce the payload.
Tab. 2: Fault clearance
10.2 Repair
Send the product to the Festo repair service for repair.
–Replacement of shock absorbers è 1 Applicable documents.
11 Technical data
DGST -6 -8 -10 -12 -16 -20 -25
Design Drive with scotch yoke system
Guide Recirculating ball bearing guide Cage guide
Mode of operation double-acting
Pneumatic connection M3 M5 G1/8
Mounting position any
Ambient temperature [°C] –10 … +60
Cushioning
DGST-...-E1 Basic variant with internal, elastic cushioning without
end position adjustment
DGST-...-E Cushioning by external elastic shock absorbers DYEF with
end-position adjustment
DGST-...-P Cushioning by external elastic shock absorbers DYEF-G8
with end-position adjustment
DGST-...-P1
DGST-...-Y12 Cushioning by external hydraulic shock absorbers DYSS-
G8 with end-position adjustment
DGST -6 -8 -10 -12 -16 -20 -25
Max. velocity
DGST-...-E/-P [m/s] 0.5 0.8
DGST-...-E1/-P1/-Y12 [m/s] 0.5
Repetition accuracy
DGST-...-E/-P/-E1 [mm] 0.3£
DGST-...-P1/-Y12 [mm] 0.02£
Operating conditions
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
Operating pressure1) [MPa] 0.15 … 0.8 0.1 … 0.8
[bar] 1.5 … 8 1 … 8
[psi] 22 … 116 15 … 116
Theoretical force
at 6 bar (advancing) [N] 34 60 94 136 241 377 589
at 6 bar (return) [N] 25 45 79 102 207 317 495
Impact energy in the end positions
DGST-...-E/-P [J] 0.018 0.05 0.08 0.12 0.25 0.35 0.45
DGST-...-E1 [J] 0.012 0.03 0.05 0.07 0.15 0.2 0.3
DGST-...-P1 [J] 0.005 0.02 0.03 0.04 0.06 – –
DGST-...-Y12 (per stroke) [J] 0.09 0.18 0.28 0.48 0.85 1.9 3.6
Max. operating frequency
DGST-...-Y12 [cycles/
min]
50 80 80 80 70 50 50
Product weight
DGST-...-E1 with 10 mm
stroke
[g] 90 129 247 391 454 978 1463
DGST-...-E1 at max. stroke [g] 172 310 561 988 1402 3275 4803
Materials
Slide, housing Anodised wrought aluminium alloy
Piston rod high-alloy stainless steel
Guide high-alloy steel, POM, TPE
Seals HNBR/PU
1) With DGST-6/-8/-10/-12 the minimum operating pressure may increase slightly after downtime of 24 h.>
Tab. 3: Technical data DGST

Especificaciones del producto

Marca: Festo
Categoría: No categorizado
Modelo: DGST-12-80-PA

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