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Summary of Contents for Kendrion INTORQ BFK551
- Page 1 INTORQ BFK551 Spring-applied brake with electromagnetic release Translation of the Original Operating Instructions www.kendrion.com...
- Page 2 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.
- Page 3 Kendrion INTORQ does not accept any liability for deficiencies claimed subsequently. ¾ Claim visible transport damage immediately to the deliverer. ¾ Claim visible defects or incompleteness of the delivery immediately to Kendrion INTORQ. NOTICE Labeling of drive systems and individual components ¾...
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Page 4: Table Of Contents
3.4 Braking and release ............................ 12 3.5 Project planning notes............................ 12 4 Technical specifications............................ 13 4.1 Possible applications of the Kendrion INTORQ spring-applied brake.............. 13 4.2 Characteristics .............................. 13 4.3 Switching times .............................. 15 4.4 Friction work / operating frequency ........................ 17 4.5 Electromagnetic compatibility.......................... - Page 5 6.2 Minimum bending radius for the brake connection cable................... 32 7 Commissioning and operation .......................... 33 7.1 operating range for the Kendrion INTORQ spring-applied brake............... 33 7.2 Function checks before initial commissioning .................... 34 7.2.1 Function check of the brake ........................ 34 7.2.2 Release / voltage control ........................
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Page 6: General Information
For example: Using these Operating In- structions, Page 6 Wildcard (placeholder) for options or selec- Wildcard □ tion details For example: BFK551-□□ = BFK551-05 Symbols Important notice about ensuring smooth op- Notice erations or other key information. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 7: Safety Instructions And Notices
Notice about a harmful situation with possible consequences: the product itself or sur- rounding objects could be damaged. Terminology used Term In the following text used for Spring-applied brake Spring-applied brake with electromagnetic release Drive system Drive systems with spring-applied brakes and other drive components Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 8: Abbreviations Used
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 14.0224 | 02/2021... - Page 9 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 14.0224 | 02/2021...
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Page 10: Safety Instructions
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... -
Page 11: Product Description
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 com- ponents may only be operated under the conditions specified in these Operating Instructions. They may never be operated beyond their specified performance limits. -
Page 12: Function
¾ If the brake is used as a pure holding brake without dynamic load, the friction lining must be reacti- vated regularly. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 13: Technical Specifications
Technical specifications Technical specifications Possible applications of the Kendrion INTORQ spring-applied brake ¾ Degree of protection: – The brake has IP00 protection. Because of the many ways of using the brake, it is necessary to verify the functionality of all mechanical components under the corresponding operating conditions. - Page 14 0.26 92.90 0.06 1658 0.03 7123 0.35 69.40 0.08 1294 0.04 5223 10.9 0.45 52.84 10.8 0.10 982.3 10.5 0.05 4002 12.4 0.52 46.45 12.2 0.12 869.6 13.1 0.06 3208 Tab. 3: Coil data Kendrion INTORQ | BA 14.0224 | 02/2021...
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Page 15: Switching Times
The maximum permissible friction energy Q relates to the standard friction lining. These operating times are specified for usage of coils with a connection voltage of 24 V DC at s and 0.7 I Kendrion INTORQ | BA 14.0224 | 02/2021... - Page 16 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 14.0224 | 02/2021...
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Page 17: Friction Work / Operating Frequency
, 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 14.0224 | 02/2021... -
Page 18: Electromagnetic Compatibility
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. -
Page 19: Labels On Product
Type (refer to Product key, Page 3 ) 24 V DC Rated voltage 4.9 W Rated power No. 33008121 ID number 0.24 NM Rated torque 05.02.21 Date of manufacture Data matrix code CE mark UL mark Kendrion INTORQ | BA 14.0224 | 02/2021... - Page 20 Designation of the product family 24 V DC Rated voltage 0.24 NM Rated torque 10 pc. Qty. per box 4.9 W Rated power 05.02.21 Packaging date Anti-rust packaging: keep friction surface free of Addition grease! CE mark Kendrion INTORQ | BA 14.0224 | 02/2021...
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Page 21: Mechanical Installation
Size Run-out Concentricity Tensile strength R (of the end shield's material) [mm] [mm] [N/mm 0.02 0.05 0.02 0.05 0.02 0.10 > 250 0.02 0.10 0.02 0.10 Tab. 5: Design of the motor end shield Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 22: Tools
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 14.0224 | 02/2021... -
Page 23: Installing The Hub Onto The Shaft
Using grub screws (sizes 01 and 02) to mount the hub Grub screws End shield Shaft 1. Push the complete hub (consisting of hub with screwed-in grub screws) onto the shaft. 2. Tighten the grub screws. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 24: Mounting The Hub Using A Key
The connecting cable must be routed in such a way that it is ensured for all operating con- ditions that the cable cannot be damaged by the moving parts of the brake (such as the ro- tor or armature plate). Kendrion INTORQ | BA 14.0224 | 02/2021... - Page 25 1. Push the spring-applied brake on the hub. 2. Screw the spring-applied brake to the end shield using the built-in fastening screws. Use a torque wrench (refer to the Mounting data, Page 14 table for the tightening torques). Kendrion INTORQ | BA 14.0224 | 02/2021...
- Page 26 3. Push the spring-applied brake on the hub. 4. Screw the spring-applied brake to the end shield using the built-in fastening screws. Use a torque wrench (refer to the Mounting data, Page 14 table for the tightening torques). Kendrion INTORQ | BA 14.0224 | 02/2021...
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Page 27: Electrical Installation
NOTICE Make sure that the supply voltage matches the voltage specification on the name plate. Electrical connection Switching suggestions NOTICE The terminal pin sequence shown here does not match the actual order. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 28: Ac Switching At The Motor - Extremely Delayed Engagement
Supply: Phase-phase Bridge rectifier Half-wave rectifier BEG-1xx: U [V DC] = 0.9 • U [V AC] BEG-2xx: U [V DC] = 0.45 • U [V AC] Not recommended for most regional/national high-voltage mains voltages. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 29: Dc Switching At The Motor - Fast Engagement
Supply: Phase-phase Bridge rectifier Half-wave rectifiers BEG-1xx: U [V DC] = 0.9 • U [V AC] BEG-2xx: U [V DC] = 0.45 • U [V AC] Not recommended for most regional/national high-voltage mains voltages. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 30: Ac Switching At Mains - Delayed Engagement
Supply: Phase-phase Bridge rectifier Half-wave rectifiers BEG-1xx: U [V DC] = 0.9 • U [V AC] BEG-2xx: U [V DC] = 0.45 • U [V AC] Not recommended for most regional/national high-voltage mains voltages. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 31: Dc Switching At Mains - Fast Engagement
BEG-24x: U [V DC] = 0.45 • U [V AC] Spark suppressor: 14.198.00.xx (required once, select position) 1) For most regional/national high-voltage mains voltages, this only makes sense for supplies on L1 and N. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 32: Switching At A Supply Voltage Of 24 V Dc
Spark suppressor: 14.198.00.xx (required once, select position) Minimum bending radius for the brake connection cable Size Wire cross-section Minimum bending radius AWG 26 2.6 mm AWG 24 3 mm Tab. 6: Minimum bending radius for the brake connection cable Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 33: Commissioning And Operation
At high humidity and low temperatures: Take measures to ensure that the armature plate and rotor do not freeze. operating range for the Kendrion INTORQ spring-applied brake Important notes DANGER Danger: rotating parts! ¾... -
Page 34: Function Checks Before Initial Commissioning
– If the rectifier for the brake supply is connected to the neutral point of the motor, also connect the neutral conductor to this connection. DANGER Danger: rotating parts! Your system should be mechanically immobilized in the event that it could start moving when the brake is released. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 35: Commissioning
There is a risk of injury by electrical shock! ¾ Live connections must not be touched. ¾ Take structural design measures on your final product and implement organizational safety rules to ensure that nobody can touch a connection. Kendrion INTORQ | BA 14.0224 | 02/2021... - Page 36 ¾ Measure the DC voltage at the brake. Compare the measured DC voltage with the voltage indicated on the name plate. The deviation must be less than ± 10%! Kendrion INTORQ | BA 14.0224 | 02/2021...
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Page 37: Maintenance And Repair
Axial load cycle and shear stress Reduced spring force or fa- Number of switching opera- Springs of springs through radial backlash tigue failure tions of brake on reversal of armature plate Tab. 7: Causes for wear Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 38: Inspections
Contamination by oils and greases should be removed using brake cleaner, or the brake should be replaced after determining the cause. Dirt and particles in the air gap between the stator and the armature plate endanger the function and should be removed. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 39: Checking The Components
2. Compare the measured air gap with the value for the max. permissible air gap s . (Refer to the Lmax General data, Page 13 table for the values.) 3. Replace the complete brake before the max. permissible air gap is exceeded. Kendrion INTORQ | BA 14.0224 | 02/2021... -
Page 40: Release / Voltage
7. Check the function of the brake as described in the Release / voltage, Page 40 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 14.0224 | 02/2021... -
Page 41: Spare Parts List
Maintenance and repair Spare parts list Fig. 19: INTORQ BFK551 spring-applied brake (left figure: mounting on flange side; right figure: mounting on housing side) Designation Variant ¾ Size ¾ Voltage Brake ¾ Brake torque ¾ Mounting variant ¾ Size ¾ Bore diameter... -
Page 42: Troubleshooting And Fault Elimination
If the rectifier defect occurs again, replace the entire spring-applied brake, even if you cannot find any fault be- tween turns or short circuit to ground. The error may only occur on warming up. Kendrion INTORQ | BA 14.0224 | 02/2021... - Page 43 Voltage too low Defective rectifier diode Replace the defective rectifier with a suitable undamaged one. AC voltage is not mains Fuse is missing or defec- Select a connection with a proper fuse. voltage tive Kendrion INTORQ | BA 14.0224 | 02/2021...
- Page 44 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 š 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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