Festo DGO-xxx-A-B series Bedienungsanleitung

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(en) Operating

instructions

Pneumatic linear drive

DGO-...-A-B

8074779

2017-10c

[8074781]

DGO-...-A-B

Festo DGO-...-A-B 2017-10c

2

Original instructions

Symbols: Fitting and commissioning to be carried out

by qualified personnel only in accordance

with the operating instructions.

Warning, Caution

Please note

Antipollution

Accessories

English 3.......................................................................

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English 3

Pneumatic linear drive

DGO-...-A-BEnglish

Documentation on the product

For all available product documentation èwww.festo.com/pk

1 Operating parts and connections

123

456

1Fastening thread

2Compressed air port

3Thread for fastening the work load

4Lubricating nipple

5Integrated switching magnet

6Adjusting screw for end position cushioning

(not with DGO-12-...)

Fig. 1

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English

4

2 Function

When the compressed air ports are pressurized alternately, the piston moves back

wards and forwards in the tubing. By means of a magnet coupling this movement

is transferred to the outer slide.

3 Application

The DGO-... has been designed for transporting mass loads.

4 Transport and storage

SConsider the weight of the product.

Depending on the design, the DGO-...

weighs over 10 kg.

Fig. 2

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English 5

5 Conditions of use

Please note

Malfunctions will occur if the device is not used correctly.

SEnsure that the specifications in this chapter are always observed.

SCompare the maximum values specified in

these operating instructions with your

actual application (e.g. forces, torques,

temperatures, masses).

The product can only be operated in

accordance with the relevant safety

guidelines if the maximum loading limits

are observed.

SObserve the ambient conditions at your location.

Corrosive elements in the environment (e.g. ozone) will reduce the service life

of the product.

SPlease comply with national and local safety laws and regulations.

SUse the product in its original state. Unauthorized modification is not

permitted.

SRemove all transport packing such as foils, caps, cardboard.

Exceptions: adhesive labels on compressed air ports (danger of dirt entering

the tubing)

The packing is intended for recycling (except for: oiled paper which must be

disposed of).

SMake sure there is a supply of correctly

prepared compressed air (see “Technical

specifications”).

Fig. 3

[%] [mbar][°C]

LF-... LR-...

Fig. 4

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English

6

6 Fitting

Fitting mechanical components

SAvoid damaging the cylinder barrel.

Damage to the cylinder barrel will reduce

the reliability and the service life of the

DGO-...

SPlace the DGO-... so that all the operating

parts are accessible (lubricating nipple,

adjusting screws).

SMake sure that the drive is fitted free of

mechanical stress and distortion.

When the drive is fitted in a vertical position:

SMake sure that the slide has reached a stable position when it comes to a

stand (e.g. the lowest point or secure it with a moveable bolt).

Work loads with their own guide:

Please note

Jamming and non-permitted bending, e.g. due to tilting torques, reduce the

service life of the DGO-....

The max. permitted misalignment of parallel guiding is 1 mm.

SMake sure that a degree of freedom is maintained between the slide and the

work load.

Driver type FKG-... can be used for this purpose. (see chapter “Accessories”).

Fig. 5

Fig. 6

Ó

Ó

Ó

Ó

Ó

Fig. 7

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English 7

Fitting the work load:

SPlace the work load so that the tilting torque of force Fax parallel to the

movement axis and lever arm “a” remains low (see Fig. 8).

SObserve the maximum values for radial force Frad (see Fig. 8).

150

200

500

1000

100

50

30

20

10

Fax

a [mm]

Fax [N]

H [mm]

H

Frad

a

Frad [N]

DGO-12

DGO-16

DGO-20

DGO-25

DGO-32

DGO-40

Fig. 8

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English

8

With heavy work loads or at high and medium slide speeds:

SMake sure that the impulse of the load and the speed lies within the permitted

range.

Depending on the size of the work mass, the DGO-... will withstand maximum

speeds as shown in the following diagram:

m [kg]

vver

[m/s]

vhor

[m/s]

m [kg]

Fig. 9

Loadings in excess of the specified maximum values:

Use additional external shock absorbers or fixed stops of sufficient size.

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English 9

Fitting proximity switches:

SPlace the proximity switches so that they can be actuated reliably by the

magnet.

In the following example the proximity switches are fitted onto a rod

(dia. 6 mm) with the aid of fastening kit SMB-1.

1

X

A

1

SwitchingPos

23

1Magnet

2Switching range

3Proximity switches

Fig. 10

SAlways place the proximity switches in the gaps A and X.

– If the gap is too small, this may lead to multiple switching.

– If the gap is too large, the switch will not be actuated reliably.

AX (+0.5 mm) Switch.

path

Hystere

sis

12 18 20 25 32 40

SMEO-1,

SMTO-1

6 ... 8

mm

10.5

mm

13.5

mm

16.5

mm

20.5

mm

25.5

mm

32.5

mm

7,5 ...

13 mm

1 ... 4.5

mm

SMPO-1-H-B 5 ... 6

mm

7…15

mm

0,4 ... 2.5

mm

Fig. 11: Gaps for proximity switches

DGO-...-A-B

Festo DGO-...-A-B 2017-10c English

10

Fitting pneumatic components

Fitting in a vertical or sloping position:

Warning

If there is a pressure failure, the work mass will slide down.

Uncontrolled moving masses can cause injury to people or damage to property

(danger of fingers being squashed).

SCheck whether non-return valves (with control) of type HGL-... are required

here. In this way, you can prevent the work mass from sliding down suddenly.

(work mass = slide mass + mass of the work load)

Setting the slide speed:

SScrew one-way flow control valves of type GRLA-... into the compressed air

ports.

Other accessories with excessive screw depth L will damage the internal slide

of the DGO-.... Fig. 12 shows the maximum screw depth:

DGO-... 16 20 25 32 40

Lmax 4.8 mm 8 mm 7 mm 9 mm 10 mm

Fig. 12: Maximum screw depth Lmax of the compressed air ports

Controlling the DGO-...:

SUse 3/2-way valves (in basic position

open) for both compressed air ports.

Fig. 13