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INTORQ BFK468, Operating Instructions Manual

The INTORQ BFK468 is a high-performance brake with exceptional reliability and durability. For detailed instructions on how to operate and maintain this product, download the Operating Instructions Manual for free from manualshive.com. This comprehensive manual will guide you through all necessary steps to ensure optimal performance of your INTORQ BFK468.

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Operating Instructions INTORQ BFK468

Spring-applied brake with electromagnetic release

j

setting the standard

www.intorq.de

Summary of Contents for BFK468

Page 1: ...Operating Instructions INTORQ BFK468 Spring applied brake with electromagnetic release j setting the standard www intorq de...

Page 2: ...de no D Aerzen Typ BFK468 25N Nr 479714 205V DC 528 132W 010305 Rostschutzverpackung Reibfl che fettfrei halten FEDERKRAFTBREMSE 800NM 1 St ck j 2 Name Type no 3 Type see Product key Rated torque Qty...

Page 3: ...4 Operating times 14 3 5 Operating frequency friction work 15 3 6 Emission 16 4 Mechanical installation 17 4 1 Necessary tools 17 4 2 Mounting 17 4 3 Installation 18 5 Electrical installation 25 5 1...

Page 4: ...ions must always be in a complete and perfectly readable state 1 2 Terminology used Term In the following text used for Spring applied brake Spring applied brake with electromagnetic release Drive sys...

Page 5: ...Liability The information data and notes in these Operating Instructions met the state of the art at the time of printing Claims referring to drive systems which have already been supplied cannot be...

Page 6: ...function and do not put any persons at risk This also applies to the interaction thereof with the overall system Take appropriate measures to ensure that the failure of the spring applied brake will...

Page 7: ...esponding standards and regulations rules for the prevention of accidents and operating conditions are authorised by the person responsible for the safety of the plant to perform the required actions...

Page 8: ...g Danger Danger of personal injury through dangerous electrical voltage Reference to an imminent danger that may result in death or serious personal injury if the corresponding measures are not taken...

Page 9: ...ule E complete stator rotor hub flange 1 Armature plate 4 Hub 7 Stator 2 Compression springs 5 Shaft 8 Adjuster nut 3 Rotor 6 Flange 9 Threaded sleeves 1 2 3 4 5 6 9 7 KL 46820 001 iso Fig 2 Design of...

Page 10: ...tted between hub 4 and rotor 3 via the splines 3 1 3 Brake release In braked state there is an air gap sL between stator 7 and armature plate 1 To release the brake the stator coil 7 is excited with t...

Page 11: ...spring assembly the angle of rotation for the brake torque reduction can be 60 120 or 180 for basic module E 100 N E 6 4 170 N E 19 8 260 N E 16 5 115 N E 6 4 200 N E 19 8 300 N E 8 2 720 N 130 N E 6...

Page 12: ...0 13 0 15 INTORQ BFK468 20 1 25 4 0 12 0 16 0 17 INTORQ BFK468 25 0 5 0 75 4 5 15 5 20 0 19 5 INTORQ BFK468 31 1 5 1 0 3 0 15 0 18 0 Type Pitch circle Screws for flange installation DIN912 10 9 Minim...

Page 13: ...tage U Coil resistance R20 8 W V INTORQ BFK468 18 85 340 205 103 123 5 360 180 381 5 INTORQ BFK468 20 100 408 205 103 106 1 360 180 317 6 INTORQ BFK468 25 132 528 205 103 79 6 360 180 245 5 INTORQ BFK...

Page 14: ...TORQ BFK468 20 260 80000 19 102 112 168 106 INTORQ BFK468 25 400 120000 15 60 135 197 120 INTORQ BFK468 31 1200 300000 13 65 133 198 250 Tab 5 Friction work operating frequency operating times 1 Minim...

Page 15: ...engagement time and reduces the disengagement time If the prolongation is too long an anti magnetic plate to be assembled between stator and armature plate is available The plate reduces the engageme...

Page 16: ...ching 5 Switching operations minute 5 Switching operations minute AC switching 5 Switching operations minute 5 Switching operations minute Spark suppressors according to coil voltage on request Heat S...

Page 17: ...easuring range Nm Wrench size mm Threaded sleeves Nuts bolts 2kt lever Diameter mm Wrench size mm INTORQ BFK468 18 20 100 6 x 1 2 square 15 10 10 110 115 13 x 1 2 square INTORQ BFK468 20 8 x 1 2 squar...

Page 18: ...ation of the hub onto the shaft 4 Hub 4 1 Circlip 15 Endshield 1 Press hub 4 onto the shaft 2 Secure hub against axial displacement e g using a circlip 4 1 Stop In reverse operation it is recommended...

Page 19: ...aft seal in the adjuster nut 2 Lightly lubricate the lip of the shaft seal with grease 3 When assembling the stator 7 push the shaft seal carefully over the shaft The shaft should be located concentri...

Page 20: ...pter 3 3 and Fig 8 10 9 7 KL BFK46825 010 b iso Fig 9 Air gap adjustment 7 Stator 10 Allen screw 9 Threaded sleeves If the air gap is too large or small readjust sL rated as follows 8 Unbolt screws 10...

Page 21: ...10 Flange assembly BFK468 4 Flange 15 Endshield 3 Set of fastening screws 1 Hold the flange 4 to the endshield 15 and check the pitch circle and the thread of the fastening bore holes 2 Screw the flan...

Page 22: ...the stator 7 3 Press the lips of the cover seal 13 into the groove of stator 7 and flange 6 4 3 5 Assembly of the manual release sizes 18 to 25 7 10 1 3 12 12 1 12 3 12 7 12 4 12 5 12 2 12 6 KL BFK46...

Page 23: ...cross holes of the trunnions 12 6 7 Locate the shackle 12 with trunnions 12 6 and Allen screws 10 such onto the back of the stator 7 that the Allen screws 10 are led through the eyebolts 12 2 and the...

Page 24: ...14 0190 EN 02 2007 24 Type sL mm s 0 1 mm s sL mm INTORQ BFK468 18 0 4 2 0 2 4 INTORQ BFK468 20 0 4 2 0 2 4 INTORQ BFK468 25 0 5 2 5 3 0 Tab 6 Adjustment setting for manual release Stop Dimension s mu...

Page 25: ...he dimensioning of the load the switching performance can thus be improved or the power can be derated Terminals 3 and 4 are in the DC circuit of the brake The induction voltage peak for DC switching...

Page 26: ...0 500 0 300 0 270 BEG 561 440 130 3 0 1 5 2 300 1 300 1 200 5 1 2 Reduced switch off times When switching on the DC side reduced switch off times switching on the AC side is also required Otherwise t...

Page 27: ...tage Coil voltage release holding Assigned brake V AC V DC BEG 561 255 030 230 10 205 103 BFK468 18 BFK468 20 BEG 561 255 130 BFK468 25 BEG 561 440 030 1 400 10 360 180 BFK468 18 BFK468 20 BEG 561 440...

Page 28: ...Fig 13 AC switching delayed engagement Bridge half wave rectifier KL BFKXXX 002 iso Fig 14 DC switching normal engagement Bridge half wave rectifier Stop For switching on the DC side the brake must b...

Page 29: ...oswitch release check connection diagram also valid for star connection DC voltage depending on coil voltage Spark suppressor bl blue sw black KL BFKXXX 004 iso Fig 16 With microswitch wear check addi...

Page 30: ...leased the release is repeated again because of the small difference contact travel of the microswitch To avoid this misinterpretation of the microswitch signal the signal should only be processed whe...

Page 31: ...idual torque The motor must not rotate Danger Live connections must not be touched 1 Remove two bridges from the motor terminals Do not switch off the DC brake supply When connecting the rectifier to...

Page 32: ...C voltage to the brake 4 Measure the AC voltage at the motor terminals It must be zero 5 Close the switching contact for the brake 6 Measure the AC voltage at the motor terminals It must be the same a...

Page 33: ...supply 4 Measure the AC voltage at the motor terminals and the DC voltage at the brake Both must be zero 5 Disconnect the mains supply 6 Set air gap to sL rated See chapter 4 3 2 Step 8 11 7 Connect t...

Page 34: ...ly Danger The brake must be free of residual torque The motor must not rotate 1 Pull the lever Fig 17 with approx 250 N until the resistance increases strongly Stop Additional tools to facilitate brak...

Page 35: ...permissible projection hEmax of the adjuster nut 8 to the stator 7 is to be observed values for hEmax see chapter 3 3 Danger The reduction of the brake torque does not increase the maximum permissibl...

Page 36: ...is small 7 2 Inspections 7 2 1 Rotor thickness Danger The motor must be at standstill when checking the rotor thickness 1 Remove motor cover and if mounted remove seal 2 Measure the rotor thickness us...

Page 37: ...free of residual torque Stop Observe for the flange version when it is fixed with additional screws Behind the threaded holes for the screws in the flange there must be clearing holes in the endshield...

Page 38: ...n surface at the endshield In case of strong scoring at the flange replace the flange If scoring occurs at the endshield re finish endshield 8 Measure the rotor thickness new rotor and head height of...

Page 39: ...4 6 7 Module E 7 Module N 10 KL BFK45825 011 cad Fig 18 Spring applied brake INTORQ BFK468 18 to 31 Pos Name Variant 3 Complete rotor Complete rotor low noise version 4 Hub Bore 6 Flange Hardchromed f...

Page 40: ...rd Hardchromed Microswitch Monitoring of the operation Wear monitoring Switching noises Low noise Accessories Rotor Aluminium Low noise version rotor with sleeve Hub _________ mm for bore diameter see...

Page 41: ...le using a multimeter Replace defective cable Defective or wrong rectifier Measure the DC voltage at the rectifier using a multimeter When the DC voltage is zero Measure the AC voltage at the rectifie...

Page 42: ...ective stator to the manufacturer Voltage too high Brake voltage does not match the rectifier Adapt rectifier and brake voltage to each other Voltage too low Brake voltage does not match the rectifier...

Page 43: ...cycled What Where Transport material Pallets Return to the manufacturer or forwarder Packing material Cardboard boxes to waste paper Plastics to plastics recycling or waste material Reuse or dispose o...

Page 44: ...ely together with Lenze s worldwide sales organisation With the Lenze service you can reach us around the clock via the 24 hour helpline 008000 24 46177 INTORQ GmbH Co KG Postfach 1103 D 31849 Aerzen...

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