Festo CLR User manual

en Operating

instructions

8072624

2017-05e

[8072626]

linear/swivel clamp

CLR

2Festo – CLR – 2017-05e

Original instructions

Identification of hazards and instructions on how to prevent them:

Danger

Immediate dangers which can lead to death or serious injuries

Warning

Hazards that can cause death or serious injuries

Caution

Hazards that can cause minor injuries

Other symbols:

Note

Material damage or loss of function

Recommendations, tips, references to other documentation

Essential or useful accessories

Information on environmentally sound usage

Text designations:

 Activities that may be carried out in any order

1. Activities that should be carried out in the order stated

– General lists

èResult of an action/References to more detailed information

CLR

Festo – CLR – 2017-05e English 3

Linear swivel clamp type CLR-...

1 Operating elements and connections

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

1Compressed air connection for clamping

2Guide bolt for motion control of the

linear and swivel movements

3Compressed air connection for releasing

4Groove for proximity switch

5Clamping finger set with clamping

screw (not included in delivery)

6Spanner flat on the piston rod

7Flange screws with threaded holes for

fastening

Bild 1

CLR

4Festo – CLR – 2017-05e English

2 Function

When the compressed air connections are

pressurized alternately, the piston rod of the

linear-swivel clamp type CLR-... moves in and

out. On the piston rod there is a guide sleeve

with three different grooves. A guide bolt in

the housing grips into the groove. By means

of the special shape of the grooves, the bolt

transfers the following movements to the

piston rod:

– swivel-linear movement of 90° in a

clockwise direction (Bild 2)

– swivel-linear movement of 90° in an anti-

clockwise direction (Bild 3)

– linear movement (with CLR-40-... to

CLR-63-..., see Bild 4).

The piston rod transfers the swivel and linear

movements to the clamping finger. When the

piston rod retracts, the clamping finger

clamps material against a fixed stop. The

end positions are scanned in the sensor

grooves on the cylinder profile.

3 Application

The CLR-... has been designed for friction-locked clamping and holding of

construction parts.

Please note

Torques which affect the internal guide sleeve will damage the CLR-...

SWith all assembly work make sure that the maximum torque on the guide

sleeve is not exceeded (see chapter “Mechanical installation”).

Bild 2 Bild 3

Bild 4

CLR

Festo – CLR – 2017-05e English 5

4 Transport and storage

STake into account the weight of the product (plus clamping finger and fasten

ing elements).

Depending on the design the CLR-... can weigh up to 2.7 kg.

SEnsure the following storage conditions:

– short storage times and

– cool, dry and shady storage locations to prevent corrosion.

5 Conditions of use

Please note

Incorrect handling can result in malfunctions.

SEnsure that the specifications in this chapter are always observed.

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

SCompare the limit values specified in these operating instructions with your

current application (e.g. pressures, forces, torques, temperatures, masses,

speeds, clamping cycles).

Only if the loading limits are observed can the CLR-... be operated in

accordance with the relevant safety guidelines.

SObserve the specifications applicable to your location, as well as all local and

national laws and regulations.

CLR

6Festo – CLR – 2017-05e English

SRemove the packing except for the adhesive labels on the compressed air

connections (to prevent dirt).

It is intended that the packaging be recycled on the basis of its constituent

materials (exception: oiled paper = other waste).

SObserve the ambient conditions at your location.

SMake sure there is a supply of correctly prepared compressed air (see chapter

“Technical specifications”).

SUse the same medium composition throughout the service life of the product.

Example:

– selected: non-lubricated compressed air,

– continue to use: non-lubricated compressed air.

If switching from lubricated to non-lubricated compressed air:

SObserve the wear of the CLR-...

If the service life lubrication is washed out, the CLR-... will wear considerably.

SGradually pressurise the entire system until the operating pressure is reached.

This ensures that all actuator movement is controlled.

The soft-start valve type HEL-... or HEM-.... can be used to build up the pres

sure gradually.

SUse the CLR-... in its original state without undertaking any modifications.

CLR

Festo – CLR – 2017-05e English 7

6 Installation

Mechanical installation

Please note

When the fastening screw of the clamping

finger is clamped and released, high torques

can damage the guide sleeve in the cylinder

(e.g. by tightening or counter holding).

SWhen fitting or removing the clamping

finger, always use a spanner wrench for

counter holding (see “Fitting the

clamping finger”).

STreat the clamping finger with great care.

The following loadings are not permitted:

– heavy loads with a long lever arm

– sudden knocks

– high torques (especially on the guide

sleeve).

SMake sure that the maximum permitted loadings are observed during

operation:

– the tightening torques when fitting the clamping fingers

– the values for force F and torque M (see chapter “Technical specifications”).

Fitting the clamping finger

Please note

Torques which affect the internal guide sleeve will damage the CLR-...

SFit the clamping finger first, before fitting the clamping cylinder into the

system. In this way you will prevent torques rom affecting the internal guide

sleeve.

Bild 5

Bild 6

CLR

8Festo – CLR – 2017-05e English

1. Place the clamping finger on the cone of

the piston rod.

2. Screw the fastening screw into the

threaded hole of the piston rod until the

clamping finger can still just be turned.

3. Fix the piston rod at the spanner flat 6

with a spanner wrench (see Bild 8).

4. Turn the clamping finger with a second

spanner wrench until the alignment

corresponds to the individual application.

5. Tighten the fastening screw with the

following torque:

For counter holding, the maximum

permitted torque on the guide sleeve

must not be exceeded.

CLR-... 12 16 20 25 32 40 50 63

Thread M3 M4 M6 M6 M8 M8 M10 M10

Width across flats (A/F)

– clamping finger screw

– piston rod

2.5

Tightening torque of clam

ping finger screw [Nm]

1.2 3 12 12 24 24 47 47

Maximum permitted torque

on the guide sleeve [Nm]

2 3 6 10 20 20 30 50

Bild 10

Bild 7

Bild 8

Bild 9

CLR

Festo – CLR – 2017-05e English 9

In order to modify the swivel movement:

1. Unscrew and remove completely the

guide bolt from the cylinder housing of

the CLR-... The piston rod can then be

turned freely with the clamping finger.

2. Swivel the clamping finger to the desired

groove in the guide sleeve.

The search for the groove is facilitated if a

bolt is pushed into the threaded hole in

the guide bolt at the same time. Please

refer to the following table for the

necessary bolt diameter.

3. Screw the guide bolt in again completely. When doing this note the following

points:

– Check that the seal on the guide bolt is positioned correctly.

– The guide bolt must be locked with Loctite 24333.

– Observe the tightening torque as specified in the following table:

CLR-... 12 16 20 25 32 40 50 63

Bolt diameter [mm] 2.5 2.9 5.9 5.9 5.9 6.9 7.9 8.9

Thread M4 M4 M8 M8 M10 M10 M12x1 M12x1

Width across flats

(A/F) (guide bolt)

3 3 5 5 6 6 8 8

Tightening torque [Nm]

(+20 %)

2.5 2.5 6 6 20 20 40 40

Bild 12

Bild 11

CLR

10 Festo – CLR – 2017-05e English

Fitting the CLR-...

SPlace the CLR-... so that no objects project into the swivel range of the

clamping finger.

SSelect one of the fastening possibilities listed in the following table.

Double screw connector with foot

fastening type HNA-... in the threaded

holes of the cover screws

With four screws in the threaded

holes of the cover screws:

–with flange mounting type FNC-...

–direct fastening

Bild 13

The different product sizes have connector threads of the following design and

with the following tightening torques:

CLR-... 12 16 20 25 32 40 50 63

Connecting thread M4 M4 M5 M5 M6 M6 M8 M8

Tightening torque [Nm] 3 3 5 5 8 8 23 23

Bild 14

STighten the screws evenly.

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