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Festo 7ELGA-BS-KFa_en

2

General product description

2.1

Functional description

The ELGA-BS-KF is a spindle axis, which is designed for movements with large forces and precise repetition accuracy.
A rotating ball screw converts the rotational movement of a motor into linear motion. This causes the piston to move
backwards and forwards. The mechanics of the spindle axis are not automatically locking. After the input torque is
removed the slide module can move freely. The ELGA-BS-KF is approved for slide and yoke operation.

2.1.1

ELGA-BS-KF-

…

-ML

1

4

5

6

9

7

2

3

8

aJ aA

aD

aC

aB

aE

1

Bearing block

2

Cover band

3

Belt reversal, top

4

Belt reversal, bottom

5

Spindle nut

6

Retainer or retainer module

7

Slide module

8

Lubrication nipple

9

Displacement encoder

aJ

Bearing cap

aA

Sealing air connections,

not visible

aB

Cylinder barrel

aC

Spindle assembly

aD

Roller carriage

aE

Roller track

2.2

Sizes and part numbers

Size

Part number

ELGA-BS-KF-70-…-ML

8024918

ELGA-BS-KF-80-…-ML

8024919

ELGA-BS-KF-100-…-ML

8024920

ELGA-BS-KF-150-…-ML

8024921

The complete overview of features, accessories, type
codes, technical data and dimensions of the ELGA-BS-KF
spindle axes can be found in the product catalogue or on
the Festo website (



).

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Содержание 8024918

Страница 1: ...Repair instructions en Spindle axis ELGA BS KF 7ELGA BS KFa_en...

Страница 2: ...w festo com Reproduction distribution or sale of this document or communication of its contents to others without express authorisation is prohibited Offenders will be held liable for damages All righ...

Страница 3: ...ations into consideration if necessary These repair instructions have been prepared with care Festo AG Co KG does not however accept liability for any errors in these repair instructions or their cons...

Страница 4: ...4 1 Preparatory steps 20 4 2 Visual inspection 21 4 3 Dismantling the spindle axis 21 4 3 1 Removing the cover band 21 4 3 2 Removing the bearing cap bearing block and spindle assembly with slide mod...

Страница 5: ...the buffers that touch the bearing cap 45 4 6 Replacing the measuring tape of the incremental displacement encoder 46 4 6 1 Remove the old measuring tape 46 4 6 2 Sticking on the new measuring tape 46...

Страница 6: ...mmissioning maintenance and care etc It can be found on the Festo website www festo com Spare parts documentation Contains an overview of the spare and wearing parts as well as information on their in...

Страница 7: ...us and therefore not permitted Repairs must only be carried out in conjunction with these repair instructions and the respective operating instructions for the device as well as the documents listed i...

Страница 8: ...conditions specified in the technical data of the products and all the connected components The product can only be operated in compliance with the relevant safety guidelines if you comply with the li...

Страница 9: ...ke operation 2 1 1 ELGA BS KF ML 1 4 5 6 9 7 2 3 8 aJ aA aD aC aB aE 1 Bearing block 2 Cover band 3 Belt reversal top 4 Belt reversal bottom 5 Spindle nut 6 Retainer or retainer module 7 Slide module...

Страница 10: ...order code describes the features of the toothed belt axis separated by a hyphen Example ELGA BS KF 80 500 30H 20P ML M1 F 8024919 HD13 ABCDEFG12345 5 4 1 2 3 1 Order code 2 Part number 3 Serial numbe...

Страница 11: ...er 3 1 on page 12 Chapter 3 1 1 on page 13 ELGA BS KF 80 ML 8024919 Chapter 3 2 on page 14 Chapter 3 2 1 on page 15 ELGA BS KF 100 ML 8024920 Chapter 3 3 on page 16 Chapter 3 3 1 on page 17 ELGA BS KF...

Страница 12: ...12 52 Festo 7ELGA BS KFa_en 3 1 ELGA BS KF 70 ML components overview...

Страница 13: ...ISO 3601 B 1 5 1 N NBR70 28 Lubricating channel 29 Lubricating channel 30 Socket head screw DIN 912 M3 5 8 8 31 Lubricating head 32 O ring 3 1 N NBR70 33 Lubricating head module 34 Clip 35 Socket hea...

Страница 14: ...14 52 Festo 7ELGA BS KFa_en 3 2 ELGA BS KF 80 ML components overview...

Страница 15: ...DIN 912 M5 45 10 9 26 Roller carriage 27 O ring ISO 3601 B 1 5 1 N NBR70 28 Lubricating channel 29 Lubricating channel 30 Socket head screw DIN 912 M3 5 8 8 31 Lubricating head 32 O ring 3 1 N NBR70 3...

Страница 16: ...16 52 Festo 7ELGA BS KFa_en 3 3 ELGA BS KF 120 ML components overview...

Страница 17: ...Retainer 25 Socket head screw DIN 912 M6 60 10 9 26 Roller carriage 27 Socket head screw DIN 912 M5 20 10 9 28 Barbed L fitting LCN M5 PK 2 29 Flange screw F M4 10 A 70 30 Fittings kit 31 Clip 32 Sock...

Страница 18: ...18 52 Festo 7ELGA BS KFa_en 3 4 ELGA BS KF 150 ML components overview...

Страница 19: ...70 10 9 26 Socket head screw DIN 912 M8 118 10 9 27 Socket head screw DIN 912 M6 20 10 9 28 Roller carriage 29 Reducer M6 M3 SW8 30 Barbed L fitting LCN M3 PK 2 B 31 Flange screw F M4 10 A 70 32 Fitti...

Страница 20: ...ambient conditions for harmful substances such as dust abrasive particles cooling lubricants solvents ozone radiation water soluble substances greases and oils etc Note The repair should preferably b...

Страница 21: ...module facing upwards 2 Lever off the clips on both ends of the slide module After the covers have been removed the top belt reversal can come out of the slide module when it is moved If this happens...

Страница 22: ...e 1 Unscrew the socket head screws from the bearing cap Note When the bearing cap is pulled off the cylinder barrel the bearing seat of the roller bearing is also pulled off the spindle assembly After...

Страница 23: ...arriages 5 Carefully pull the spindle assembly and slide module together with the bearing block out of the cylinder barrel 6 Carefully pull the bearing block off the spindle assembly A certain amount...

Страница 24: ...The roller carriages face upwards 4 Pull off the roller carriages to the right and left and off the lubricating channels 5 Remove the roller carriages Dismantling the lubricating heads and lubricating...

Страница 25: ...and O rings for wear and replace if necessary Dismantling the spindle assembly with retainer or retainer assembly 11 Unscrew the socket head screws for mounting the retainer or retainer module from th...

Страница 26: ...essary 4 3 3 2 ELGA BS KF 120 150 Dismantling the roller carriage 1 Place the spindle assembly on the work surface with the slide module facing downwards 2 Unscrew the socket head screws from the roll...

Страница 27: ...er carriage 7 Check the lubricating unit for wear and replace if necessary Dismantling the retainer or retainer module with spindle assembly ELGA BS KF 120 8 Unscrew the two socket head screws for mou...

Страница 28: ...cket head screw from the retainer or retainer module 2 Pull the retainer or retainer module off the spindle assembly 3 Remove the O ring from the retainer or retainer module 4 Check the O ring for wea...

Страница 29: ...bearing on the spindle assembly must be checked with each repair If the rolling behaviour of one of the two roller bearings is no longer perfect e g due to increased scratching noises both roller bea...

Страница 30: ...ove ball bearing with seat in the bearing cap In spindle axes ELGA BS KF 70 80 120 150 the spindle assembly is mounted in the bearing cap by means of deep groove ball bearings The rolling behaviour of...

Страница 31: ...ry high repetition accuracy to be achieved If the rolling behaviour is no longer faultless the spindle assembly must be replaced Note Ensure that the seat of the roller bearing is not damaged when it...

Страница 32: ...r carriage Festo LUB KC11 Chapter 7 4 on page 51 1 For further information refer to the information brochure Accessories equipment and tools The brochure can be found in the online spare parts catalog...

Страница 33: ...of the retainer or retainer assembly onto the stop edge of the slide module The stop edge of the slide module is located on the side with the lubrication nipples 5 Insert the spindle assembly with the...

Страница 34: ...priate tightening torque Size Number of socket head screws Tightening torque ELGA BS KF 70 2 2 5 Nm ELGA BS KF 80 2 3 5 Nm ELGA BS KF 120 2 9 Nm ELGA BS KF 150 4 2 M8 70 and 2 M8 118 22 Nm 9 Use the g...

Страница 35: ...ly tool 3 in the middle 5 The roller carriages can be mounted on the slide module with the assembly tool 1 2 5 4 1 3 4 Place the slide module on the work surface with the attachment side facing downwa...

Страница 36: ...d side of the roller carriages faces the stop edge of the slide module and the assembly tool faces upwards 15 Push the roller carriage onto the free ends of the lubricating channels The O ring must li...

Страница 37: ...riages must be lubricated before commissioning the spindle axis Chapter 4 4 4 on page 41 Non compliance can lead to unlubricated operation and thus failure of the spindle axis before the next specifie...

Страница 38: ...ow the barbed L fitting to be mounted in the thread that has become free 5 Screw the barbed L fitting into the roller carriage and tighten with the appropriate tightening torque Size Tightening torque...

Страница 39: ...for mounting the two cartridges with screw locking agent 11 Screw in the flange screws and tighten with the appropriate tightening torque Size Tightening torque ELGA BS KF 120 0 5 Nm ELGA BS KF 150 0...

Страница 40: ...ring cap in accordance with the markings you have made The lubrication nipples on the slide module point towards the front 18 Carefully turn over the slide module with spindle assembly and the roller...

Страница 41: ...he self weight and resulting torque tilting moments can damage the roller bearings 5 Carefully drive the spindle assembly into the bearing block and support the spindle assembly 6 Apply a thin layer o...

Страница 42: ...ad screws loosely 14 Push the slide module in the direction of the bearing block until it stops 15 Tighten the socket head screws using the appropriate torque Size Tightening torque ELGA BS KF 70 2 5...

Страница 43: ...cover on both sides of the slide module 5 Wet the socket head screws for the cover with locking agent 6 Screw the socket head screws into the slide module through the cover on both sides of the slide...

Страница 44: ...riate tightening torque see Table Size Tightening torque ELGA BS KF 70 2 0 Nm ELGA BS KF 80 2 0 Nm ELGA BS KF 120 2 0 Nm ELGA BS KF 150 2 0 Nm 16 Move the slide module to check whether the cover band...

Страница 45: ...arefully individual balls can easily spring out and be lost Any ball bearings that spring out of the roller carriages must be re inserted 5 Push the spindle assembly with slide module and bearing bloc...

Страница 46: ...g tape Note To prevent stresses in the magnetic strip it must not be extended twisted or supported or handled with the magnetised plastic strip facing inwards min radius of curvature 150 mm When stick...

Страница 47: ...the magnetic strip in two steps 1 Remove half the protective film on the adhesive tape 2 Stick on the magnetic strip corresponding to the removed film 3 Remove the remaining length of the protective...

Страница 48: ...istance and angle between the measuring unit and the measuring tape The measuring unit 2 must be set on attachment with a distance X of 0 1 mm to 2 mm from the magnetic strip 1 The offset between the...

Страница 49: ...5 Nm ELGA BS KF 120 5 9 Nm ELGA BS KF 150 5 9 Nm 19 Tighten the socket head screws of the sensor mounting with a tightening torque of 3 5 Nm 5 Assembly and functional test After completing the assembl...

Страница 50: ...the spindle nut ELGA BS KF 70 ELGA BS KF 80 ELGA BS KF 120 ELGA BS KF 150 Max allowable reversing backlash 0 1 mm 0 1 mm 0 2 mm 0 2 mm Check the reversing backlash of the slide module as described in...

Страница 51: ...We recommend that you lubricate the spindle assembly and the roller carriages at the same time In this case lubrication should take place according to the shorter lubrication interval Note The slide m...

Страница 52: ...ey Torque wrench Torque screwdriver Flat pliers Sturdy general purpose scissors or metal shears 8 2 Special tools The following special tools are required for repair and maintenance of the spindle axi...

Страница 53: ...suitable for ELGA BS KF 120 150 8058450 Further information on the special tools is included in the information brochure Accessories equipment and tools The brochure can be found in the online spare...

Страница 54: ...to hardware and software The hardware status and where applicable the software status of the product can be found on the name plate of the product If the electronic documentation in whatever form is...

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