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Festo 7DHTGb_en

• Screw the flat head screw into the plate and tighten it using the appropriate

torque (see table).

Type

Torque

DHTG-65-

…

-A

0.6 Nm

DHTG-90-

…

-A

0.6 Nm

DHTG-140-

…

-A

0.6 Nm

DHTG-220-

…

-A

0.6 Nm

5

Maintenance

This chapter contains key technical information about how to carry out maintenance work on the rotary indexing table.
A detailed description of the steps for care and maintenance can be found in the operating instructions. Additional infor-
mation on assembly aids and lubricants can be found on the Festo website (

5.1

Cleaning and lubricating the rotary indexing table

Clean the rotary indexing table using a soft cloth and a gentle detergent if necessary.
The rotary indexing table is otherwise maintenance free due to its lifetime lubrication. Regular removal of the lubricant on
the surfaces will reduce its service life.
Lubricate the following components after a conversion (e.g. to reciprocating motion):
• Piston chamber, seals, locking clip, gear racks, pinion and index plate.
The required lubricant (LUB-E1 silicone-free 20 ml) is included in the conversion kits and wearing parts kits.
General relubrication of the mechanical components every 5 million switching cycles is recommended.

5.2

Inspection interval for the shock absorber

Check the shock absorber after every two million strokes for:
•  Oil leakage
•  Hard knocking
•  Function (shock absorber head must not remain in the retracted end position)

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Содержание DHTG-140

Страница 1: ...Repair instructions en Rotary indexing table DHTG A 7DHTGb_en...

Страница 2: ...sation of this document as well as the communication of its contents to others without explicit authorisation is prohibited Offenders will be liable for damages All rights reserved in particular the r...

Страница 3: ...ions 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 conseq...

Страница 4: ...2 Dismantling the plate DHTG 65 and DHTG 90 17 4 1 3 Dismantling the plate DHTG 140 19 4 1 4 Dismantling the plate DHTG 220 21 4 1 5 Removing the gear racks 23 4 1 6 Removing the bolts 28 4 1 7 Disma...

Страница 5: ...documentation Contains an overview of the spare and wearing parts as well as infor mation on their installation Can be found in the online spare parts catalogue on the Festo website spareparts Festo c...

Страница 6: ...al Festo sales office offers the option of having the repair carried out by Festo Environment Components and equipment replaced as part of a repair must be disposed of in accordance with the locally v...

Страница 7: ...88 DHTG 140 6 A 548089 DHTG 140 8 A 548090 DHTG 140 12 A 548091 DHTG 140 24 A 548092 DHTG 220 3 A 555451 DHTG 220 4 A 548093 DHTG 220 6 A 548094 DHTG 220 8 A 548095 DHTG 220 12 A 548096 DHTG 220 24 A...

Страница 8: ...51 44 45 43 46 36 36 16 16 17 18 19 20 25 26 27 28 29 30 2 1 3 7 6 5 5 4 4 3 Component overview 3 1 DHTG 65 A This diagram is intended only to provide an overview of the individual components To orde...

Страница 9: ...ining ring DIN 471 18 1 2 28 Flange 29 Cylindrical dowel pin DIN 6325 4M6 12 30 Socket head screw DIN 7984 M4 8 Tightening torque 1 2 Nm 31 Countersunk screw DIN 7991 M5 16 Tightening torque 1 5 Nm 32...

Страница 10: ...components To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 2 1 3 7 6 8 9 10 11 12 13 14 15 21 22 22 23 24 16 16 25 26 27 28 29 3...

Страница 11: ...4 1 2 28 Flange 29 Cylindrical dowel pin DIN 6325 4M6 12 30 Socket head screw DIN 912 M4 8 8 8 Tightening torque 2 9 Nm 31 Countersunk screw DIN 7991 M5 16 8 8 Tightening torque 2 9 Nm 32 Stop plate 3...

Страница 12: ...omponents To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 1 2 3 6 5 5 4 4 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 2...

Страница 13: ...Retaining ring DIN 471 40 1 75 32 Flange 33 Cylindrical dowel pin DIN 6325 4 12 34 Socket head screw DIN 912 M5 10 Tightening torque 5 9 Nm 35 Countersunk screw DIN 7991 M6 16 Tightening torque 5 9 N...

Страница 14: ...omponents To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 26 26 27 28 19 29 30 31 32 33 34 35 36 43 44 45 46 47 53 52 54 55 56 48...

Страница 15: ...te 30 Cover 31 Retaining ring DIN 471 82 2 5 32 Flange 33 Cylindrical dowel pin DIN 6325 6M6 12 34 Socket head screw DIN 912 M6 12 10 9 Tightening torque 9 9 Nm 35 Countersunk screw DIN 7991 M6 20 8 8...

Страница 16: ...e tension on the ball bearing relieved before the rotary index ing table is dismantled Make sure that there is no supply line connected at port B Supply port A with air to move the locking cylinders d...

Страница 17: ...220 only To facilitate removal of the plate you can screw two M8 screws not included in the scope of delivery into the plate thread and use them to hold the plate and lift it up and out of the housing...

Страница 18: ...egments from the plate Lever the O ring out of the inside of the hole in the plate Lever the two rails of the guide segments out of the housing Note If only individual components of the plate need to...

Страница 19: ...ate and steadily unscrew them Note The ring gear is equipped with overload protection It has spring tensioning and can twist when the countersunk screws are unscrewed on one side To loosen the index p...

Страница 20: ...leeves as they can easily be lost Remove the rail of the guide segments from the plate Lever the O ring out of the inside of the hole in the plate Lever the two rails of the guide segments out of the...

Страница 21: ...are unscrewed on one side Loosen the countersunk screws in the index plate and steadily unscrew them Note The ring gear is equipped with overload protection It has spring tensioning and can twist whe...

Страница 22: ...n easily be lost Remove the O rings from the plate Remove the rail of the guide segments from the plate Lever the O ring out of the inside of the hole in the plate Lever the two rails of the guide seg...

Страница 23: ...t in the impact plate on the front of the housing and unscrew it Note The impact plate has spring tensioning on one side and can twist when the socket head screws are unscrewed Loosen the socket head...

Страница 24: ...two threaded pins in the impact plate Unscrew the two stop screws from the impact plate Remove the clamping components from the impact plate Remove the retaining ring of the shock absorber Pull the sh...

Страница 25: ...ing from the impact plate Note DHTG 65 only This O ring is not present in the impact plate of the DHTG 65 Loosen the countersunk head screws in the stop plate at the rear of the housing and unscrew th...

Страница 26: ...e O rings from the housing Pull the spacing bolt out of the housing Loosen the four socket head screws in the flange on the underside of the housing and unscrew them Place the housing on two suitable...

Страница 27: ...sing a plastic hammer Note The flange can also be pressed out using a hydraulic press if necessary Push the two covers out from their guides Remove the retaining ring of the pinion Pull the pinion out...

Страница 28: ...cks 4 1 6 Removing the bolts Remove the clamping plate from the bolts Remove the retaining ring from both covers Carefully drive the bolts out of the bolt guide e g using a wooden slat and a plastic h...

Страница 29: ...ean environment as small parts can easily be lost Carefully pull the springs out of the bolt using a thin wire Carefully tap the bolts on both sides over a soft surface to catch the lock bolts from th...

Страница 30: ...g assembly 4 2 1 Assembling the bolts Note The open side of the wiper seal must face the top side of the housing Place the new wiper seals in the bolt guides Press the new wiper seals into their holde...

Страница 31: ...Carefully push the new lock bolts and the new compression springs into the bolts Insert the new stop pins into the bolts on both sides and tighten them Press the new O rings arrow into position on bot...

Страница 32: ...ver into the guide the wiper seal may be damaged due to excessive pressure Carefully push the covers into the guides by rotating them slightly with the taper pointing upwards If necessary use a plasti...

Страница 33: ...B E1 before use Push the gear racks into the piston chamber from the rear of the housing Note The open side of the gear racks must face the front of the housing and the gearing must face the centre of...

Страница 34: ...o the pinion Note Check that the retaining ring is correctly positioned Push the covers into the guides Note Check the position of the cylindrical dowel pin in the housing when inserting the flange Pu...

Страница 35: ...rings must be positioned correctly to ensure that there is no leakage You can apply a light coat of grease to the O rings to prevent them from pop ping out of the seats Attach the stop plate using the...

Страница 36: ...h the spacing bolt into the piston chamber at the front of the housing based on the notes you made during removal Push the shock absorber into the gear rack based on the notes you made during removal...

Страница 37: ...The compression spring is required to release the spacing bolt when with drawing the piston from the impact plate The spring stops the spacing bolt sticking to the impact plate which would prevent th...

Страница 38: ...ews DHTG 65 A 2 9 Nm 4 DHTG 90 A 2 9 Nm 5 DHTG 140 A 9 9 Nm 6 DHTG 220 A 9 9 Nm 6 Tighten the hollow bolt in the impact plate using the appropriate torque see table Type Torque DHTG 65 A 1 5 Nm DHTG 9...

Страница 39: ...g the countersunk screws on the plate and tighten them using the appropriate torque see table Type Torque DHTG 65 A 2 Nm DHTG 90 A 4 Nm 4 2 5 Assembling the plate DHTG 140 Push the rail of the guide s...

Страница 40: ...quipped with overload protection It has spring tensioning and can twist when the countersunk screws are tightened on one side Attach the index plate using the countersunk screws on the plate and tight...

Страница 41: ...the countersinks facing downwards Place the index plate on the ring gear with the countersinks for the counter sunk screws facing upwards Note Note the position of the centring bolts in the plate when...

Страница 42: ...lied in different lengths depending on the size Before being fitted it must be shortened to the correct length see table and the cut surfaces must be stuck together using superglue Type Length of plat...

Страница 43: ...between the plate and housing If this happens pull the plate seal back out of the gap before screwing the clamping ring in further To do this insert a flat and blunt object under the seal beside the...

Страница 44: ...ary indexing table using a soft cloth and a gentle detergent if necessary The rotary indexing table is otherwise maintenance free due to its lifetime lubrication Regular removal of the lubricant on th...

Страница 45: ...Engineer s hammer Plastic hammer Two pin punches 2 or 3 mm Pliers for retaining rings exterior and interior protection 13 90 mm Internal hexagon screwdriver Allen key 2 5 mm Torque wrench 1 25 Nm Tor...

Страница 46: ...1 Festo products are being continuously developed with regard to hardware and soft ware The hardware status and where appli cable the software status of the product can be found on the name plate of t...

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