Festo DGC-K-18 Manual

Festo Ikke kategoriseret DGC-K-18

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Side 1/4

DGC-K-18 … -80

Postfach

73726 Esslingen

Germany

+49 711 347-0

www.festo.com

Operating instructions 8025694

1306a

[8025692]

Original: de

Linear actuator DGC-K-18 … -80 English. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note

Installation and commissioning are to be carried out only by qualified specialists

(operating instructions).

1 Control sections and connections

1 2 3 4

2 5

89 7

1Connection cap

2Regulating screw for internal

end-position cushioning

3Slide

4Mounting thread for useful load

5End cap

6Slot for proximity sensor

7Mounting slots in the profile

8Pneumatic connections

9Thread for direct mounting on the

cover

1) Accessories

2) In the DGC-K-18 ...-63, the threads are in the cover screws.

The DGC-K-80 has separate threads.

Fig. 1

2 Function and application

When the pneumatic ports 7are pressurized altern-

atingly, the piston moves backwards and forwards in

the profile barrel. By means of a rigid connection, the

slide 3also moves. The slot in the profile barrel re-

quired for this is covered by a band system.

Fig. 2 Circuit symbol

The DGC-K is intended for the space-saving transport

of loads.

It is approved for the slide operating mode.

Fig. 3 Slide mode

Note

Unpressurized movement of the slide is permitted only for fault correction and at

low speed. If excessive speed is used, the resulting low pressure can pull the

sealing band into the piston chamber. This leads to:

– high leakage and

– impermissible acceleration (e.g. when installed vertically).

3 Transport and storage

• Consider the weight of the DGC-K.

The DGC-K weighs up to 82 kg, depending on the design.

For transport, the conveyors must be spaced according to the permissible sup-

port spacings (support spacings Fig. 4 and Fig. 5).

4 Requirements for product use

Note

Improper handling can result in malfunctions.

• Make sure that the specifications contained in this chapter are adhered to at

all times.

This is the only way to ensure correct and safe product behaviour.

• Take into consideration the legal regulations applicable for the destination as

well as:

– regulations and standards

– regulations of the testing organizations and insurers

– national specifications.

• Remove all transport packaging such as plastic sheets, caps and cartons (ex-

cept for any covers in the pneumatic ports).

The material used in the packaging has been specifically chosen for its recyclab-

ility (exception: oil paper = residual waste).

• Use the product in its original status, without any unauthorised product modific-

ations.

• Take into consideration the ambient conditions at the location of use.

Corrosive environments (e.g. ozone) will reduce the service life of the product.

• Compare the limit values specified in these operating instructions with your

actual application (e.g. pressures, forces, torques, temperatures, loads,

speeds).

Operation of the product in compliance with the relevant safety regulations is

contingent on adherence to the load limits.

• Take the tolerance of the tightening torques into account.

Unless otherwise specified, the tolerance is ±20 %.

For vertical installation:

• Make sure that the slide has reached a stable position when it comes to a stop

(e.g. the lowest point or secured with external stops).

• Make sure the compressed air is properly prepared (Technical data).

• Maintain the selected medium for the total service life of the product. Example:

Always use non-lubricated compressed air.

• Slowly pressurise the system as a whole.

There will then be no uncontrolled movements.

For slow start-up pressurisation, use start-up valve type HEL.

5 Installation

5.1 Installation, mechanical

• Avoid the sealing band being pressed and/or sucked in.

Damage to the sealing band reduces its reliability in operation. Jerky movement

of the unpressurized slide can cause a partial vacuum that sucks the sealing

band into the piston chamber.

• Avoid the band system becoming damaged or excessively dirty.

Damage to the DGC-K will reduce its reliability and service life.

• Make sure that the device is installed free of distortion and deflection.

• Use:

– the mounting thread 9for direct mounting to the connection and end

cap 1and 5

– The mounting slots with large stroke lengths for attachment via the profile,

taking into account the recommended support spacings (Fig. 4 and Fig. 5).

• Select the corresponding mounting accessories from our catalogue

(www.festo.com/catalogue).

Note

• Make sure that the travel range of the drive is not restricted by the attach-

ments to the profile (in particular with lateral attachment).

• To do this, push the movable load one time over the complete positioning

path.

)HVWR฀6(฀& Co. KG

DGC-K-18

DGC-K-25

DGC-K-32

DGC-K-40

DGC-K-50

DGC-K-63

DGC-K-80

Fig. 4 Required support spacing (l) with horizontal mounting orientation

DGC-K-18

DGC-K-25

DGC-K-32

DGC-K-40

DGC-K-50

DGC-K-63

DGC-K-80

Fig. 5 Required support spacing (l) with horizontal mounting orientation

• Note the tightening torques when attaching.

Tightening torques of the mounting screws

Direct mounting on thread 9

Size 18 25 40 50 63 8032

[Nm] 2.5 143 4 5 8 45

Slot attachments (e.g. with MUP central support)

Size 18 25 40 50 63 8032

[Nm] 3 3 4.5 5.5 18 18 18

Fig. 6

Note

With hard and stiff useful loads:

If the slide 3is bent due to a buckled use-

ful load, it will reduce the service life of the

drive.

• Make sure the mounting surface of the

useful load is even. Fig. 7

• Observe the tightening torques for the threads 4in the slide.

Size 18 25 40 50 63 8032

Thread M5 M6 M8 M12

Tightening torques [Nm] 3.5 12 306

Fig. 8

Effective loads with own guide:

• Adjust the guides of the effective load and of the DGC-K so that they are exactly

parallel.

In this way can you avoid overloading on the slide (Permissible forces

11 Technical data).

The driver DARD-L1 offers a torque-free and almost backlash-free power trans-

mission (www.festo.com/catalogue).

5.2 Installation, pneumatic

For installation in a vertical or inclined position:

Warning

If there is a pressure drop, the movable load will drop down:

Danger of crushing!

• Check whether HGL non-return valves are necessary.

In this way, you can prevent the movable load from sliding down suddenly.

• Check whether safety measures are required to prevent sinking as a result of

leakage (e.g. toothed latches or moveable bolts).

A(2)

A(1)

A(2)

W(2)

A(1)

W(1)

1 2

W = compressed air supply ports from

the plant

1= end position on the connection

side

1 = movement to the connection side

A = alternative connections

2= end position connection side

2 = movement to the connection side

Fig. 9

• Select the suitable compressed air supply ports.

In addition to the supply ports provided at the factory (W), there are also the

alternative ports (A). These are fitted with plug screws.

For the linear actuator DGC-K of variant D2, the compressed air supply can be

made on both sides.

A(1)

W(1)

A(2)

W(2)

A(1)

1 2

W = compressed air supply ports from

the plant

1= end position on the connection

side (left)

1 = movement to the connection

side (left)

A = alternative connections

2= end position connection

side (right)

2 = movement to the connection

side (right)

Fig. 10

For setting the speed:

• Rotate the one-way flow control valves GRLA into the supply ports.

Produkt Specifikationer

Mærke:	Festo
Kategori:	Ikke kategoriseret
Model:	DGC-K-18

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