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INTORQ BFK457 Spring-applied brake with electromagnetic release Translation of the Original Operating Instructions www.kendrion.com...
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Restructured FM. Unified connection diagrams 13343901 02/2016 SC Update 13343901 12/2018 SC Migration to ST4 Change of company name to Kendrion INTORQ 13343901 01/2022 SC Changes to Chapters 3.1.2 and 5.1 Supplements to Chapters 6.7 and 8.2 Legal regulations Liability ¾...
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The warranty conditions can be found in the terms and conditions of Kendrion INTORQ GmbH. ¾ Warranty claims must be made to Kendrion INTORQ immediately after the defects or faults are de- tected. ¾ The warranty is void in all cases when liability claims cannot be made.
3.6 Optional configuration ............................ 14 3.6.1 Hand-release (optional) ......................... 14 4 Technical specifications............................ 15 4.1 Possible applications of the Kendrion INTORQ spring-applied brake.............. 15 4.2 Characteristics .............................. 15 4.3 Switching times .............................. 19 4.4 Friction work / operating frequency ........................ 21 4.5 Electromagnetic compatibility..........................
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6.3.4 Permissible current load at ambient temperature.................. 38 7 Commissioning and operation .......................... 39 7.1 Possible applications of the Kendrion INTORQ spring-applied brake.............. 39 7.2 Function checks before initial commissioning .................... 40 7.2.1 Function check of the brake ........................ 40 7.2.2 Release / voltage control ........................
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8.3.3 Release / voltage........................... 46 8.3.4 Replacing the brake (compact version) .................... 46 8.3.5 Replacing the brake (basic version) ...................... 47 8.4 Spare parts list .............................. 48 9 Troubleshooting and fault elimination........................ 50 Kendrion INTORQ | BA 14.0164 | 02/2022...
Important notice about ensuring smooth op- Notice erations or other key information. Safety instructions and notices The following icons and signal words are used in this document to indicate dangers and important safety information: Kendrion INTORQ | BA 14.0164 | 02/2022...
Terminology used Term In the following text used for Spring-applied brake Spring-applied brake with electromagnetic release Drive systems with spring-applied brakes and other drive compo- Drive system nents Kendrion INTORQ | BA 14.0164 | 02/2022...
Engagement time, sum of the delay time and braking torque: rise time Disengagement time, time from switching the stator until reaching 0.1 M Slipping time, operation time of the brake (according to t ) until standstill Kendrion INTORQ | BA 14.0164 | 02/2022...
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Over-excitation period Voltage V DC Holding voltage, after voltage change-over V DC Release voltage, before voltage change-over Rated coil voltage; in the case of brakes requiring a voltage change-over, V DC equals U Kendrion INTORQ | BA 14.0164 | 02/2022...
Only use original spare parts from the manufacturer. Keep the following in mind during the initial commissioning and during operation: ¾ Depending on the degree of protection, Kendrion INTORQ components may have both live (voltage carrying), moving and rotating parts. Such components require appropriate safety mechanisms. ¾...
3.1.1 Standard applications Kendrion INTORQ components are intended for use in machinery and facilities. They may only be used for purposes as specified in the order and confirmed by Kendrion INTORQ. The Kendrion INTORQ compo- nents may only be operated under the conditions specified in these Operating Instructions. They may never be operated beyond their specified performance limits.
Product description 3.2.2 Compact module Fig. 2: Design of the INTORQ BFK457 spring-applied brake: Compact module (complete stator) + rotor + flange Stator Pressure spring Armature plate Socket-head cap screw Flange Rotor Coil Function This brake is an electrically releasable spring-applied brake with a rotating brake disk (rotor) that is equipped on both sides with friction linings.
If the brake is used as a pure holding brake without dynamic load, the friction lining must be reacti- vated regularly. Optional configuration 3.6.1 Hand-release (optional) To temporarily release the brake when there is no electricity available, a hand-release version is available as an option. Kendrion INTORQ | BA 14.0164 | 02/2022...
Possible applications of the Kendrion INTORQ spring-applied brake ¾ Degree of protection: – Without additional protective measures, this brake complies with protection class IP00. Contact the Kendrion INTORQ sales department for information about using special protective measure to in- crease the protection class. ¾ Ambient temperature: –...
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3x M3 3x M4 3x M5 3x M6 10.1 3x M8 24.6 Tab. 2: Mounting data Fastening screws (socket-head cap screws according to DIN EN ISO 4762) are included in the scope of delivery Kendrion INTORQ | BA 14.0164 | 02/2022...
The maximum permissible friction energy Q relates to the standard friction lining. These operating times are specified for usage of Kendrion INTORQ bridge/half-wave rectifiers and coils with a con- nection voltage of 205 V DC at s and 0.7 I...
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Spark suppressors are available for the rated voltages. Disengagement time The disengagement time is the same for DC-side and AC-side switching. The specified disengagement times always refer to control using Kendrion INTORQ rectifiers and rated voltage. Kendrion INTORQ | BA 14.0164 | 02/2022...
, the permissible friction work is Q Smax Notice With high speeds of rotation and switching energy, the wear increases, because very high temperatures occur at the friction surfaces for a short time. Kendrion INTORQ | BA 14.0164 | 02/2022...
The user must ensure compliance with EMC Directive 2014/30/EC using appropriate controls and switching devices. NOTICE If a Kendrion INTORQ rectifier is used for the DC switching of the spring-applied brake and if the switching frequency exceeds five switching operations per minute, the use of a mains filter is required.
205 V DC Rated voltage 16 NM Rated torque Pieces Qty. per box 33 W Rated power Compact Module 17.01.22 Packaging date Anti-rust packaging: keep friction surface free of grease! Addition CE mark Kendrion INTORQ | BA 14.0164 | 02/2022...
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Type (refer to Product key, Page 3) Compact Module 205 V DC Rated voltage 33 W Rated power No. 00412802 ID number 16 NM Rated torque 17.01.22 Date of manufacture Data matrix code CSA/CUS acceptance CE mark Kendrion INTORQ | BA 14.0164 | 02/2022...
The diameter of the shaft shoulder must not be greater than the tooth root diameter of the hub. ¾ The form and position tolerances apply only to the materials mentioned. Consult with Kendrion IN- TORQ before using other materials; Kendrion INTORQ's written confirmation is required for such us- age.
Feeler gauge Preparing the installation 1. Remove the packaging from the spring-applied brake and dispose of it properly. 2. Check the delivery for completeness. 3. Check the name plate specifications (especially the rated voltage)! Kendrion INTORQ | BA 14.0164 | 02/2022...
2. Press the hub with a moderate amount of force to the shaft. 3. Secure the hub against axial displacement (for example, by using a circlip). NOTICE If you are using the spring-applied brake for reverse operations, glue the hub to the shaft. Kendrion INTORQ | BA 14.0164 | 02/2022...
3. Remove the transport lock (the rubber ring). 4. Screw on the spring-applied brake evenly to the end shield using the cap screws. Use a torque wrench (refer to the Mounting data, Page 16 table for the tightening torques). Kendrion INTORQ | BA 14.0164 | 02/2022...
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2 x M6 x 60 2 x M6 x 60 Notice The socket-head cap screws (for the transport lock) must be removed evenly to ensure trou- ble-free operations (so that the armature plate does not tilt). Kendrion INTORQ | BA 14.0164 | 02/2022...
2. Screw on the spring-applied brake evenly to the end shield using the built-in cap screws. Use a torque wrench (refer to the Mounting data, Page 16 table for the tightening torques). 3. Only for sizes 01 to 05: Remove the transport lock (the rubber ring). Kendrion INTORQ | BA 14.0164 | 02/2022...
NOTICE Make sure that the supply voltage matches the voltage specification on the name plate. Electrical connection Circuit suggestions NOTICE The terminal pin sequence shown here does not match the actual order. Kendrion INTORQ | BA 14.0164 | 02/2022...
BEG-24x: U [V DC] = 0.45 • U [V AC] Spark suppressor: 14.198.00.xx (required once, select position) For most regional/national high-voltage mains voltages, this only makes sense for supplies on L1 and N. Kendrion INTORQ | BA 14.0164 | 02/2022...
The bridge-half-wave rectifiers are used to supply electromagnetic DC spring-applied brakes which are ap- proved for use with such rectifiers. Other use is only permitted with the approval of Kendrion INTORQ. Once a set overexcitation period has elapsed, the bridge-half-wave rectifiers switch over from bridge recti- fication to half-wave rectification.
U at U 1 min 1 Nom 1 max [V~] [V~] [V~] BEG-561-255-030 0.430 0.300 0.270 BEG-561-255-130 1.870 1.300 1.170 BEG-561-440-030-1 0.75 0.500 0.300 0.270 Tab. 8: Data for bridge/half-wave rectifier type BEG-561 Kendrion INTORQ | BA 14.0164 | 02/2022...
Delayed engagement Fast engagement Mains Bridge Coil Mains Coil 6.3.4 Permissible current load at ambient temperature Fig. 20: Permissible current load If screwed to metal surface (good heat dissipation) For other installations (e.g. with adhesive) Kendrion INTORQ | BA 14.0164 | 02/2022...
Commissioning and operation Commissioning and operation Possible applications of the Kendrion INTORQ spring-applied brake NOTICE In case of high humidity: If condensed water and moisture are present, provide for an ap- propriate ventilation for the brake to ensure that all friction components dry quickly.
. The air gap must be zero and the rotor must rotate freely. 6. Switch off the supply to the motor and brake securely. 7. Connect the bridges to the motor terminals. Remove any extra neutral conductor. Kendrion INTORQ | BA 14.0164 | 02/2022...
There is a risk of injury by electrical shock! The live connections must not be touched. 1. Switch on your drive system. 2. Perform a test braking procedure; if necessary, reduce the braking torque (depending on your specifi- cations and requirements) Kendrion INTORQ | BA 14.0164 | 02/2022...
The deviation must be less than ± 10%! ¾ When using bridge/half-wave rectifiers: After switching to one-way voltage, the measured DC voltage may drop to 45% of the voltage specified on the name plate. Kendrion INTORQ | BA 14.0164 | 02/2022...
Axial load cycle and shear stress of Reduced spring force or fa- Number of switching opera- Springs springs through radial backlash on re- tigue failure tions of brake versal of armature plate Tab. 9: Causes for wear Kendrion INTORQ | BA 14.0164 | 02/2022...
After replacing the rotor, the original braking torque will not be reached until the run-in op- eration for the friction surfaces has been completed. After replacing the rotor, the run-in ar- mature plates and the flanges have an increased initial rate of wear. Kendrion INTORQ | BA 14.0164 | 02/2022...
General data, Page 15 table for the values.) 3. If necessary, replace the rotor (only for the basic version BFK457-06 – 16) or replace the complete brake (only for the compact version BFK457-01 – 16). Kendrion INTORQ | BA 14.0164 | 02/2022...
7. Check the function of the brake as described in the Release / voltage, Page 46 section. Mount a new brake if necessary. 8. Reconnect the connection cable and put the brake back into operations. 9. If necessary, deactivate the mechanical shutdown of the system. Kendrion INTORQ | BA 14.0164 | 02/2022...
After replacing the rotor, the original braking torque will not be reached until the run-in opera- tion for the friction surfaces has been completed. After replacing the rotor, the run-in armature plates and the flanges have an increased initial rate of wear. Kendrion INTORQ | BA 14.0164 | 02/2022...
If the rectifier defect occurs again, replace the entire spring- applied brake, even if you cannot find any fault between turns or short circuit to ground. The error may only occur on warm- ing up. Kendrion INTORQ | BA 14.0164 | 02/2022...
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Troubleshooting and fault elimination Fault Cause Remedy ¾ For the spring applied brake INTORQ BFK457-06 ... 16: re- Brake cannot be re- place the basic rotor. leased, air gap is not Air gap too big ¾ For the INTORQ BFK457-06 ... 16 Compact spring-applied zero brake: replace the complete brake.
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Kendrion INTORQ GmbH Germany PO Box 1103 D-31849 Aerzen, Germany Wülmser Weg 5 D-31855 Aerzen, Germany +49 5154 70534-0 (Headquarters) +49 5154 70534-222 (Sales) Ê +49 5154 70534-200 info@intorq.com 应拓柯制动器(上海)有限责任公司 INTORQ (Shanghai) Co., Ltd. 上海市浦东新区泥城镇新元南路600 号6 号楼一楼B 座 No. 600, Xin Yuan Nan Road, Building No.
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