Festo DRRD-...-Y12 Stoßdämpfer extern Монтаж Benutzerhandbuch

Seite 2

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Assembly instructions (original: de)
8029519
1310b

†‡

Shock absorber, external
DRRD-...-Y12

Festo AG & Co. KG

Postfach
73726 Esslingen
Germany
+49 711 347-0
www.festo.com

1. Parts list

18362d_1

1 Lock

nut

2 Shock

absorber

3 Centring

sleeve

4 Shock

absorber

retainer

5 Screw

(2x)
(2x)
(2x)
(1x)

(2x)

18362d_2

6 Screw
7 Flange
8 Centring

sleeve

9 Slot

nut

aJ Cam
aA Screw

(2x)
(1x)
(2x)
(2x)
(2x)
(4x)

18362d_3

aB Semi-rotary

drive

DRRD

(1x)

2. Intended use
Shock absorber, external:
End-position cushioning of the semi-rotary drive aB.

3. Safety instructions and notes on mounting

Caution

Unexpected movement of components.
Injury due to electric shock, impact, squeezing.
 Switch off compressed air before assembly work.
 Observe additional safety instructions

(

 operating instructions for semi-rotary drive aB).

Note

Malfunction and material damage due to incorrect mounting.
 Place semi-rotary drive aB into operation only with a mounted cushion-

ing/stop system.

Information

Increased wear on the buffer of the shock absorber 2.
 Grease the stop face on the buffer (C) (multi-purpose grease, e.g. petrole-

um based).

4. Mounting
4a. Mount shock absorber retainer 4

 Select position of the shock absorber retainer 4:

left or right on the semi-rotary drive.

18362d_4

 Screw the shock absorb-

er 2 into the shock absorb-
er retainer 4 so it is flush.

 Tighten lock nut 1.

18362d_5

 Place centring sleeves 3 in

the semi-rotary drive aB.

 Place shock absorber re-

tainer 4 on the centring
sleeves 3.

 Tighten screws 5.

Comply with the tightening
torque (

 section 7).

4b. Mount cam aJ

Information

If the switch lug DASI-Q11-... is used for external end-position sensing:
 Mount switch lug in front of the cam aJ

(

 switch lug assembly instructions).

Note

If no cam is mounted on one side of the limiting pin (B), the piston impacts in-
ternally without cushioning.
This results in destruction of the drive.
 Mount a cam aJ both right and left of the limiting pin (B).

18362d_6

 Clamp the cams aJ with the

screws aA to one slot nut 9
each.

 Push one pre-assembled

cam aJ each to the left and
to the right through the cut-
out (A) in the circumferential
groove of the flange 7.

18362d_7

4c. Mount flange 7

 Turn the semi-rotary drive aB by hand into the approximate mid-position.

1836
2d_8

 Align flange 7.

Check:
cut-out (A) points in the di-
rection of the shock absorb-
er.

 Place centring sleeves 8 in

the semi-rotary drive aB.

 Place flange 7 on the cen-

tring sleeves 8.

 Tighten screws 6.

Comply with the tightening
torque (

 section 7).

5. Set swivel angle

DRRD-...-Y12

12 16 20 25 32 35 40 50 63

Swivel

angle

(min.) [°] 20

24 38 34

30 34

Swivel

angle

(max.) [°] 192

194 190 190 193

186 190

Swivel angle (max.)

with DASI-Q11-...

[°] 182

186 180 186 187

180 188

18362d_9

 Observe the permissible

swivel angles.

 Move the cams aJ onto the

swivel angle.

 Tighten screws aA.

Comply with the tightening
torque (

 section 7).

5a. Set maximum swivel angle

18362d_12

 Position the cams aJ against

the limiting pin (B).

 Tighten screws aA. Comply

with the tightening torque
(

 section 7).

5b. Set minimum swivel angle

Note

If the cams aJ are mounted in the area of the cut-out (A), the cams aJ do not
clamp correctly.
Cams aJ move in operation.
 Do not mount the cams aJ beyond the edge of the cut-out (A).

18362d_13

 Unscrew the shock absor-

ber 2.

 Move the cams aJ onto the

minimum swivel angle.

 Tighten screws aA.
 Screw the shock absorb-

er 2 in again so it is flush.
Comply with the tightening
torque (

 section 7).

 Repeat setting for the se-

cond cam aJ.

If the switch lug DASI-Q11-... is used for external end-position sensing, the maximum swivel

angle is reduced by the width of the switch lug.

6. Precision adjustment

Warning

Unexpected movement of components.
Injury due to electric shock, impact, squeezing.
 Observe safety instructions

(

 operating instructions for semi-rotary drive aB: Commissioning).

Note

If the shock absorber 2 is unscrewed too far, the impact angle will be in the
impermissible field.
This results in destruction of the shock absorber 2.

 Comply with distance X ( table).

DRRD-...-Y12

12 16 20 25 32 35 40 50 63

…

[mm]

2.5

3.3

4.7 5.2

6.2 7.4

[mm/rev]

1 1.5

10 13 15 19 27

32 36

2.5

3 4 5 6 8

Revolutions

(max.)

2.5

3.3

3.1 3.4

4.1 4.9

 Pressurise the semi-rotary drive ( accompanying operating instructions).
 Slowly move the semi-rotary drive to the corresponding end position.

1836
2d_1
0

 Adjust the end position by

using the internal hexagon
socket of the shock absorb-
er 2.

 Tighten the lock nut 1.

Comply with the tightening
torque (

 section 7).

7. Screw sizes and tightening torques M

DRRD-...-Y12 1

[Nm] 5

[Nm] 6

[Nm] aA [Nm]

12 M8

M4x14

M3x16

2.5

M3x6

1.2

M10 3 M3x20 2 M4x18 4.5

M12 5 M4x25 4.5 M5x25 8.5 M4x8 3

25 M16

M22 35 M6x35 12 M6x30 12 M5x8 6

35 14

M6x35

M6x10

M26 60 M8x45 20 M8x40 20 M8x14 20

63 M30

M10x55

M10x16

8. Test run

 Start test run ( operating instructions of the DRRD).
 Interrupt the test run in the following cases:
–

Settings must be changed, e. g. at the swivel angle

–

Shock absorber retainer 4 moves or twists

–

the cams aJ impact audibly mechanically.

Possible options for metallic impacts:
–

Cam aJ incorrectly positioned

–

Shock absorber adjustment not observed ( section 6)

–

Semi-rotary drive aB insufficiently throttled.

 Eliminate cause.
 Restart test run.
 Execute test run repeatedly until a correction is no longer required.

f = thread lead [mm] per revolution [rev]

Tolerances for non-toleranced tightening torques M

± 10 %

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