Festo DGP(L)-…-B - Manual (Page 8)

8 Repair
• Recommendation: Return the product to our repair service for overhaul.
This ensures that special attention will be paid to the necessary fine adjust-
ments and inspections.
• Information about spare parts and aids can be found at:
www.festo.com/spareparts
9 Accessories
Please select the appropriate accessories from our catalogue
www.festo.com/catalogue/DGP
10 Troubleshooting
Malfunction Possible cause Remedy
Uneven movement of the slide One-way flow control valve not
fitted correctly If possible reduce the exhaust
(not the supply air)
Guide rail not greased Lubricate guide rail
7 Maintenance and care
Faults in position scanning Ferritic parts in the vicinity of
the proximity sensor Use parts consisting of
non-magnetic materials or
observe minimum clearances
5.3 Fitting electric
components
Heavy leakage Cylinder is distorted Fasten the cylinder to a flat
base.
Seal worn Replace worn parts:
– yourself with wearing parts
kit
– by returning to Festo for
repairs
Sealing band pressed/sucked
in Avoid creating a vacuum in the
piston chamber (e.g. only move
the unpressurised slide slowly)
Cylinder does not reach the
desired speed Air volume not sufficient – Select tubing with larger
diameter
– Switch volume upstream
High friction or counteracting
force Observe maximum limits
Fig. 18
11 Technical data
DGP(L) 18 25 32 40 50 63 80
Pneumatic connection M5 G Á G Á G ¼ G ¼ G Å G½
Mode of operation Double-acting
Mounting position Any
(Recommendation for stroke lengths
> 2 000 mm and
horizontal installation: Install the DGP(L) with the
sealing band facing down)
Operating medium Use as cylinder: Compressed air as per ISO 8573-1:2010 [7:–:–]
Use as
positioning axis: Compressed air as per ISO 8573-1:2010 [6:4:4]
Operating pressure [bar] 2 … 8 1.5 … 8
Ambient temperature [°C] –10 … +60
Theoretical force at 6 bar [N] 153 295 483 754 1 178 1 870 3 016
Speeds
DGPL
(min … max) GF [m/s] 0,05 … 1
KF [m/s] 0.2 … 3
GA [m/s] – 0.2 … 3 – –
Cushioning length PPV [mm] 16 18 20 30 30 30 85
Cushioning PPV Pneumatic cushioning, adjustable at both ends
Max. energy Diagrams Catalogue specifications
Materials
End cap/profile Anodised aluminium
Cover strip Steel
Driver Anodised aluminium
Slide Anodised aluminium
Guide rail GF Anodised aluminium
KF Steel Corrosion-resistant steel
Seals Nitrile rubber, polyurethane
Fig. 19
Permitted force and torque loading
DGP 18 25 32 40 50 63 80
GK Fymax [N] –
Fzmax 120 330 480 800 1 200 1 600 5 000
Mxmax [Nm] 0.5 1 2 4 7 8 32
Mymax 11 20 40 60 120 120 750
Mzmax 1 3 5 8 15 24 140
GV Fymax [N] –
Fzmax 120 330 480 800 1 200 1 600 –
Mxmax [Nm] 1 2 4 8 14 16 –
Mymax 22 40 80 120 240 240 –
Mzmax 2 6 10 16 30 48 –
Formula for combined loadings:
0, 4 × Fz
Fzmax.
+ Mx
Mxmax.
+
My
Mymax.
+ 0, 2 × Mz
Mzmax.
≤ 1
Fz
Fzmax.
≤ 1
Mz
Mzmax.
≤ 1
Fig. 20
Permitted force and torque loading
DGPL-GF 18 25 32 40 50 63 80
GK Fymax [N] 340 430 430 1 010 1 010 2 000 2 000
Fzmax 340 430 430 1 010 1 010 2 000 2 000
Mxmax [Nm] 2.2 5.4 8.5 23 32 74 100
Mymax 10 14 18 34 52 140 230
Mzmax 10 14 18 34 52 140 230
GV Fymax [N] 330 400 395 930 870 1 780 –
Fzmax 330 400 395 930 870 1 780 –
Mxmax [Nm] 2 5 8 21 28 66 –
Mymax 18 25 30 58 83 235 –
Mzmax 18 25 30 58 83 235 –
Formula for combined loadings:
Fy
Fymax.
+ Fz
Fzmax.
+ Mx
Mxmax.
+
My
Mymax.
+ Mz
Mzmax.
≤ 1
Fig. 21
Permitted force and torque loading
DGPL-KF 18 25 32 40 50 63 80
GK Fymax [N] 930 3 080 3 080 7 300 7 300 14 050 14 050
Fzmax 930 3 080 3 080 7 300 7 300 14 050 14 050
Mxmax [Nm] 7 45 63 170 240 580 745
Mymax 23 85 127 330 460 910 1 545
Mzmax 23 85 127 330 460 910 1 545
GV Fymax [N] 930 3 080 3 080 7 300 7 300 14 050 –
Fzmax 930 3 080 3 080 7 300 7 300 14 050 –
Mxmax [Nm] 7 45 63 170 240 580 –
Mymax 45 170 250 660 920 1 820 –
Mzmax 45 170 250 660 920 1 820 –
Formula for combined loadings:
Fy
Fymax.
+ Fz
Fzmax.
+ Mx
Mxmax.
+
My
Mymax.
+ Mz
Mzmax.
≤ 1
Fig. 22