Festo DFM-20-B Handleiding

Festo Niet gecategoriseerd DFM-20-B

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Assembly instructions (Original instructions)
8063354
2017-04e
[8065800]
†‡
Guide unit
DFM-...-B
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
1. Applicable documents
All available documents for the product  www.festo.com/pk
2. Safety
Switch off compressed air before mounting work.
Protect the positioning range from access.
Keep foreign objects out of the positioning range.
3. Intended use
Stop, stopper cylinder or a single-axis feeding unit with larger loads on the
yoke plate.
4. Further information
Characteristic curves and permissible limits  www.festo.com/catalogue
Accessories (e.g., slot cover ABP)  www.festo.com/catalogue
5. Scope of delivery
1322
5d_2
3
1 DFM-...-B
2 DFM-...-B-...-EJ
3 DFM-...-B-...-AJ-EJ
4 DFM-...-B-...-AJ
5 DFM-...-B-YSRW
6 Centring sleeve
(1x)
(1x)
(1x)
(1x)
(1x)
(4x)
6. Not in scope of delivery
1322
5d_2
1
7 Screw (2x)
1)2)3)4
1) Required surface (I) evenness precision only in case of the GF variants:
DFM-12 ... 20-B = 0.02
DFM-25 ... 63-B = 0.05
In case of non-observance of the evenness precision, guide rods can become jammed.
2) The usage of centring sleeves is not possible for DFM-20 … 40-B and mounting variant d).
3) In the case of DFM-…-B-…-EJ, the mounting variant d) is possible only to a limited extent,
since the fastening holes are largely covered.
4) Additional, required dimensions of the guide units 1 through 5 can be found in the
catalogue ( www.festo.com/catalogue)-
7. Mounting, general
Note
In order to avoid operative malfunctions and increased wear:
Observe the characteristic curves and permissible limits.
Handle the guide units 1 5 through in such a way that the guide rods and
piston rod are not damaged.
Ensure that the mounting surfaces (H) and (I) are flat.
Install guide units 1 5 through without distortion.
13225d_11 13225d_19
13225d_24 13225d_25
Mounting variants:
a) Flat from on top
13225d_7
b) Flat from underneath
13225d_8
c) Lateral from underneath
13225d_9
d) On front end2)3)
13225d_10
Use the following screws 7 6 and centring sleeves , depending on the
mounting variant:
DFM-...-B a) b) c) + d) Yoke plate (J)
12 M4 ZBH-9 M5 ZBH-9 M4 ZBH-5 M4 ZBH-5
16 M5 M5
20 M5 M6 ZBH-7
2) ZBH-9
25 M6 M6
32 M6 ZBH-12 M8 ZBH-12 ZBH-9
2)
40 M8
50 ZBH-12 M8 ZBH-12
63 M8 M10 M10
Provide mounting holes for the centring sleeves 5 on the
surfaces (H) and (I)4).
ZBH 5 7 9 12 15
@
@
@
@ @ D1 H7 [mm] 5 7 9 12 15
T1 min. [mm] 1.4 1.4 1.9 2.4 2.9
Information
To mount guide units 1 through 5:
If possible, use screws 7 with a screw-in length of 1.5 x d
4).
Fasten the guide unit according to load, size and stroke length, but with
at least 2 screws 7.
13
22
5d
_1
3
X 1.5
Note
To mount the variant d):
With protruding guide rods in the retracted state:
Ensure there is clear passage of the guide and stop rods, e.g. through
grooves in the mounting surface (H).
8. Mounting the proximity sensors
When intermediate strokes are being sensed, the proximity sensor can be
at the level of a fastening hole (K) and not fastened.
Take the following assembly alternatives e) through g) into consideration:
1322
5d_1
7
e) Offset the proximity
sensor 8 within its
operating path (b) by 6 mm.
13225d_18
f) Rotate the proximity
sensor 8 by 180°.
g) Select another permissible proximity sensor
(www.festo.com/catalogue)
As required, cover the sensor slots with a slot cover ABP 9 and use them to
fix the cables into place ( More detailed information).
9. Stroke adjustment
9a. For guide units 2
2
2
22 through 4
4
4
4 4 (no metallic stop)
13225d_16
Vent the guide units 2 through 4.
Note
To avoid the unintentional loosening of the piston rod:
When loosening and tightening the lock nut (F), counterhold the stop nut (G).
Retracted end position (EJ) Extended end position (AJ)
Loosen the lock nut (D). Loosen the lock nut (F).
Adjust the stop rod (Y) with
the internal hexagon socket (E).
Shorten the stroke by a maximum
of 10 mm.
Adjust the stop nut (G).
Shorten the stroke by a maximum
of 10 mm.
Tighten the lock nut (D). Observe
the tightening torque M
A1 ( Table).
Tighten the lock nut (F). Observe
the tightening torque MA2
( Table).
Vent the guide units 2 4 through .
Start the test run. Check the set stroke.
5)
5) Tolerance for tightening torques MA with no indication of tolerance: ± 20 %
9b. For guide unit 5
5
5
55 (metallic stop)
DFM-...-B-YSRW DFM-40-B-YSRW
13225d_15
13225d_14
Vent the guide unit 5.
Note
To reduce the shortening of the stroke dimension a by a maximum of 10 mm
and enlarge it by dimension l by a maximum of 10 mm ( Section 11).
Do not exceed fall short of dimension a/l since the shock absorber
performance is otherwise strongly reduced.
Adjust the shock absorber (B) to dimension a/l as follows:
Retracted end position Extended end position
Loosen the lock nut (A)/screw (C). Loosen the lock nut (A)
Adjust the shock absorber (B).
Observe dimension a. Shortened
the factory-set stroke by
a maximum of 10 mm ( Table).
Adjust the shock absorber (B).
Observe dimension l. Increase the
factory-set stroke by a maximum
of 10 mm ( Table).
Tighten the lock nut (A)/screw (C).
Observe the tightening torque MA1
( Table).
Tighten the lock nut (A). Observe
the tightening torque MA2
( Table).
Vent the guide unit 5.
Start the test run. Check the set stroke.
10. Maintenance and care
10a. In case of guide unit 5
5
5
55
During operation, the viscosity of the hydraulic oil reduces due to friction
heat.
 Shock absorber reset times become shorter (hard knocking).
At low temperatures around 0°C, the viscosity of the hydraulic oil rises.
 Shock absorber reset times become longer.
The moving mass should always reach the end position safely, but not knock
hard against it.
The shock absorbers should be replaced when their functioning / shock-
absorbing performance is no longer ensured due to excessive wear.
Check the cushioning regularly for the following signs of wear:
– Oil leakage
– Hard knocking
– Stop rod remains in retracted end position / moves slowly from end
position
The following environmental conditions shorten the test intervals:
– High thermal stress
– Severe accumulation of dirt
– Proximity of grease-dissolving liquids or vapours.
Exchange the shock absorber (B) after 10 million strokes ( Section 9b).
11. Dimensions, widths across flats and tightening torques MA
5)
DFM-...-B 12/16 20 25 32 40 50 63
D ß − 8 13 13 13 17 17
EJ MA1 [Nm] − 3 7 10 10 24 24
E ß − 2.5 4 4 4 5 5
F ß 10 13 17 17 17 19 19
AJ MA2 [Nm] 1.7 3 6 10 10 16.5 19
G ß 17 19 24 30 30 36 36
A ß − 15 17 19 27 27 32
MA1 [Nm] − 5 8 20 35 35 55
YSRW B ß −11 13 15 20 20 24
C ß −4 −
MA2 [Nm] −10 −
a [mm] − 34-10 37.1-10 48.1-10 56.5-10 58.5-10 74-10
l [mm] − 4.9+10 5.2+10 4.7+10 3.2+10 10.4+10 11.2+10
H
H
H
H
7
6
7
6
7
6
7
6
I
6
7
1
2
3
8
K
8
9
E
D
F
G
Y
MA1
MA2
Wire-mesh bo
x
H
H
I
J
1
J
5
4
A B
MA1
MA1
B
MA2
C
MA1
Wire-mesh box
A B
Wire-mesh box
A B
7
6

Product specificaties

Merk: Festo
Categorie: Niet gecategoriseerd
Model: DFM-20-B

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