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INTORQ BFK464-17R, Translation Of The Original Operating Instructions

The INTORQ BFK464-17R product comes with a free manual for user guidance. Ensure safety with the Translation Of The Original Operating Instructions included for download on manualshive.com. Get all the information needed to operate this high-quality product effectively and efficiently.

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Maintenance and repair

INTORQ | BA 14.0214 | 10/2019

51

8.3.5

Replace rotor

 DANGER

Danger: rotating parts!

Switch off the voltage. The brake must be free of residual torque.
Your system should be mechanically immobilized in the event that it could start moving
when the brake is released.

1. Remove the connection cables.

2. Loosen the screws evenly and then remove them.

3. Pay attention to the connection cable during this step! Remove the complete stator from the end

shield.

4. Check the armature plate's friction surface. Replace the complete stator when there is clearly visible

scoring at the running surface.

5. Pull the rotor off the hub.

6. Check the hub's gear teeth.

7. Replace the hub if wear is visible.

8. Check the end shield's friction surface. Replace the friction surface on the end shield when there is

clearly visible scoring at the running surface.

9. You can now install and adjust the new rotor and the complete stator. (Refer to Brake mount-

ing, Page 29.)

10. Re-connect the connection cables.

11. If necessary, deactivate the mechanical shutdown of the system.

Summary of Contents for BFK464-17R

Page 1: ...INTORQ BFK464 R Spring applied brake with electromagnetic release Translation of the Original Operating Instructions www intorq com...

Page 2: ...be derived from this in formation illustrations and descriptions We do not accept any liability for damage and operating interference caused by inappropriate use unauthorised modifications to the pro...

Page 3: ...ediately to the deliverer Claim visible deficiencies or incomplete deliveries immediately to INTORQ GmbH Co KG NOTICE Labelling of drive systems and individual components Drive systems and components...

Page 4: ...nded usage 11 3 1 1 Standard applications 11 3 2 Layout 11 3 3 Function 13 3 4 Braking and release 13 3 5 Project planning notes 13 3 6 Optional configuration 14 3 6 1 Hand release optional 14 3 6 2 O...

Page 5: ...ge reduction 40 6 3 3 Assignment Rectifier Brake size 40 6 3 4 Technical specifications 41 6 3 5 Permissible current load at ambient temperature 42 7 Commissioning and operation 43 7 1 Function checks...

Page 6: ...rfectly readable condition 1 2 Conventions in use This document uses the following styles to distinguish between different types of information Spelling of numbers Decimal separator Point The decimal...

Page 7: ...which if not avoided will result in death or seri ous injury WARNING WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION in...

Page 8: ...energy QE J Max permissible friction energy for one time switching thermal parameter of the brake QR J Braking energy friction energy QSmax J Maximally permissible friction energy for cyclic switching...

Page 9: ...ing off the supply voltage to the beginning of the torque rise t12 ms Rise time of the braking torque time from the start of torque rise until reach ing the braking torque tue s Over excitation period...

Page 10: ...ropriate safety measures to ensure contact touch protection Follow all specifications and information found in the Operating Instructions and the corresponding documentation These must be followed to...

Page 11: ...3 2 Layout Fig 1 Layout of an INTORQ BFK464 R spring applied brake Complete stator rotor flange A Stator B Socket head cap screw C Coil D Sleeve E Armature plate F Flange optional G Rotor H Hub option...

Page 12: ...time This results in a reduction of the average electrical power of the brake The BFK464 spring applied brake with the high rated torque for the respective size is designed for a maximum duty cycle of...

Page 13: ...e and low wear The braking torque is transmitted between the hub and the rotor via gear teeth When the brakes are applied an air gap sL is present between the stator and the armature plate To re lease...

Page 14: ...witch Usage for the air release monitoring The motor will start only after the brake has been released This enables the micro switch to monitor for errors e g when the motor does not start because of...

Page 15: ...lities of using the brake it is still necessary to check the func tionality of all mechanical components under the corresponding operating conditions Ambient temperature 20 C to 40 C Standard 4 2 Rate...

Page 16: ...riants have different strength grades and may have special surface coatings In order to guarantee a secure screw connec tion use ONLY the proper screws from INTORQ It is very important to comply with...

Page 17: ...x 67 5 2 x 156 2 x 1 32 103 51 5 2 x 39 2 x 2 62 22R 2 x 360 205 205 2 x 110 2 x 110 2 x 382 2 x 0 54 103 103 2 x 96 2 x 1 07 2 x 600 205 103 2 x 285 2 x 71 2 x 147 2 x 1 39 103 51 5 2 x 37 2 x 2 77 2...

Page 18: ...king torque at a constant speed of rotation U Voltage Size Rated torque Max permiss ible switching energy Transitional operating frequency Switching times Max speed DC side engagement Disengaging MK Q...

Page 19: ...e free state to a holding braking torque is not free of time lags For emergency braking short engagement times for the brake are absolutely essential The DC side switching in connection with a suitabl...

Page 20: ...function of the operating frequency Shue 1 QR QE Shmax In e 1 Qhmax QE Shue Sh The permissible operating frequency Shmax depends on the amount of heat QR refer to Figure Friction work operating frequ...

Page 21: ...uppressor in parallel with the AC voltage Spark suppressors are available on request depending on the coil voltage 4 6 Emissions Heat Since the brake converts kinetic energy as well as mechanical and...

Page 22: ...Rated voltage 540 135 W Rated power 33005457 ID number 900 NM Rated torque 23 08 17 Packaging date CE mark Fig 6 Packaging label INTORQ Manufacturer 33005457 ID number BFK464 20R Type refer to Product...

Page 23: ...Technical specifications INTORQ BA 14 0214 10 2019 23 Fig 7 Product traceability sticker BFK464 20 R Type refer to Product key Page 3 33005457 ID number G170820000000000 Serial number QR code...

Page 24: ...n of the brake The diameter of the shaft shoulder must not be greater than the tooth root diameter of the hub The form and position tolerances apply only to the materials mentioned Consult with INTORQ...

Page 25: ...agonal socket Allen screws Open end wrench Width across flats Socket wrench for transport safety bolts Measuring range Wrench width Width across flats Width across flats Nm mm mm mm 17R 20 to 100 6 10...

Page 26: ...ted voltage Notice We provide a lifting mechanism for hooking onto a hoist to make it easier to remove the brake from its shipping container For sizes 22 25 and 28 there is also an M10 thread not show...

Page 27: ...al to the length of the hub NOTICE If you are using the spring applied brake for reverse operations glue the hub to the shaft Fig 9 Installing the hub onto the shaft A Circlip B Hub optional C Key sha...

Page 28: ...nting the flange A Socket head cap screw B Flange optional C Hub or shaft with teeth optional D End shield 1 Hold the flange to the end shield Place the chamfer at the inner diameter on the side of th...

Page 29: ...eir gear teeth Remove cover films from both front ends of the rotor Protect friction surfaces against contact with mounting paste After the mounting excessive mounting paste must be removed properly F...

Page 30: ...e optional D End shield E Lifting mechanism optional 2 Push the complete stator onto the shaft 3 Evenly tighten the brake with the six socket head cap screws included in the scope of supply in sev era...

Page 31: ...olts B Socket head cap screws C End shield D Flange optional 5 Remove the screws of the transport lock 6 Use a torque wrench to retighten the supplied fastening screws with the required tightening tor...

Page 32: ...14 Checking the air gap 8 Check the air gap near the screws by means of a feeler gage Compare the measured values to the values for sLN in the table Rated data Page 15 Notice Do not insert feeler gag...

Page 33: ...cover ring over the complete stator 4 Press the lips of the cover ring into the groove of the complete stator and flange end shield 5 Re establish the electrical connection NOTICE Cover ring with cond...

Page 34: ...NTORQ BA 14 0214 10 2019 34 Fig 16 Assembly of the hand release BFK464 R A Nut B Washer C Disk spring D Thrust washer E Sleeve F Lever G Stud bolt H Stator I Perforated disk J Ball Fig 17 Assembly of...

Page 35: ...ubricated coated sides face each other 7 Place four disk springs in alternate directions in each of the thrust washers 8 Place ring washers on the disk springs 9 Screw the self locking nuts onto the s...

Page 36: ...rn 18R 19R 360 1 turn 20R 22R 25R 300 5 6 turn 28R 0 5 260 7 10 turn Tab 6 Turn back degrees and air gap DANGER The brake may fail If the hand release is incorrectly adjusted the brake may fail and ca...

Page 37: ...ication on the name plate NOTICE If an emergency stop is carried out without the required suppressor circuit the control unit may be destroyed Observe the correct polarity of the suppressor circuit NO...

Page 38: ...pole BEG 16x BEG 26x 14 198 00 xx 14 198 00 xx Fig 19 Switching suggestion for the BFK464 R with holding current reduction BK Black GR Grey BU Blue K1 L1 N K4 K3 GR BK BU 4 2 1 GR BK BU 4 2 1 UN K2 U...

Page 39: ...18 6 2 Technical specifications for the micro switch The brake can be equipped with a micro switch for monitoring the release or wear The micro switch can be integrated into the circuit as an NO or N...

Page 40: ...must not be used to switch off the brake Be sure to provide a protective circuit according to the Switching suggestions figures in the chapter Electrical connection Page 38 6 3 2 Bridge rectifier for...

Page 41: ...f wave rectification 0 45 x U1 without Ambient temperature storage operation C 25 70 25 80 U1 input voltage 40 60 Hz Type Input voltage U1 40 Hz 60 Hz Max current Imax Over excitation period tue 20 Mi...

Page 42: ...C I Imax 1 0 0 8 0 6 0 4 0 2 0 0 20 0 20 40 60 80 100 1 2 Fig 23 Permissible current load for BEG 561 xxx xxx q If screwed to metal surface good heat dissipation w For other installations e g with adh...

Page 43: ...re the initial commissioning check the braking torque when the brake is being used on the cus tomer s friction surfaces If the brake is used as a pure holding brake without any dynamic load the fricti...

Page 44: ...he brake is applied 11 Check the switching status of the micro switch siehe to table Switching status of micro switch Page 44 12 Switch off DC voltage for the brake 13 Screw the bridges onto the motor...

Page 45: ...he hand release 1 Hang the Bowden cable not included in the scope of delivery and tighten it using the torque required for that size 750 to 1100 newtons for size 17 to size 28 The drive must be able t...

Page 46: ...ition of the electrical cables The armature plate must be tightened and the rotor must move without residual torque Measure the DC voltage at the brake After the over excitation time refer to the tabl...

Page 47: ...g and the operating fre quency If several of the causes of friction lining wear occur in an application at the same time the effects should be added together when the amount of wear is calculated Comp...

Page 48: ...every application For the spring applied brakes the maintenance intervals and mainten ance operations listed in the table below must be followed The maintenance operations must be carried out as desc...

Page 49: ...ange or end shield Flatness depending on the size Refer to the End shield as counter friction surface Table table Max run in depth rated air gap for the size Refer to the Rated data for air gap specif...

Page 50: ...data for air gap specifications for the values 3 If required replace both rotors completely Replace rotor Page 51 8 3 4 Release voltage DANGER Danger rotating parts The running rotor must not be touc...

Page 51: ...he complete stator from the end shield 4 Check the armature plate s friction surface Replace the complete stator when there is clearly visible scoring at the running surface 5 Pull the rotor off the h...

Page 52: ...on with the order Order number of the brake Position number of the spare part Fig 26 Spring applied brake 464 R Designation Variant A Complete hand release B Fastening screws Fastening screws for moun...

Page 53: ...s too low replace the complete stator Check the coil for short to ground using a multi meter If there is a short to ground replace the com plete spring applied brake Check the brake voltage refer to s...

Page 54: ...hecks be fore initial commission ing Page 43 Incorrect micro switch wiring Check and correct the wiring of the micro switch Micro switch defective or in correctly set Replace the complete stator and r...

Page 55: ...om F INTORQ Shanghai Co Ltd 600 6 B No 600 Xin Yuan Nan Road Building No 6 Zone B Nicheng town Pudong 201306 Shanghai 86 21 20363 810 86 21 20363 805 info cn intorq com F INTORQ US Inc USA 300 Lake Ri...

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