INTORQ BFK458 Manual
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INTORQ BFK458 Manual

Spring-applied brake
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Spring-applied brake
INTORQ BFK458
The versatile modular system
2 – 600 Nm
setting the standard

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Summary of Contents for INTORQ BFK458

  • Page 1 Spring-applied brake INTORQ BFK458 The versatile modular system 2 – 600 Nm setting the standard...
  • Page 2 Our modular system forms the basis for a product range that not adjustable). The greatest degree of flexibility is achieved offers versions tailored for almost any task. The BFK458 for a broad range of applications by the combination of the spring-applied brake, as a standard product, can be used basic module with specific modules.

  • Page 3: Table Of Contents

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Contents Product key Type code Bridge rectifier and List of abbreviations half-wave rectifier BEG Product information Spark suppressor INTORQ 14.198.00.Oò Principle of operation Bridge rectifiers and Example applications half-wave rectifiers BEG Fastening options...
  • Page 4 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 INTORQ BFK458-òòò product key 4 5 8 òò ò Product group: Brakes Product family: Spring-applied brakes Type Sizes Design Sizes Not coded: 06, 08, 10, 12, 14, 16, 18, 20, 25 Supply voltage, hub bore,...

  • Page 5: List Of Abbreviations

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 List of abbreviations [kW] Drive power Safety factor [Nm] Rated torque of brake Calculated friction energy per switching [Nm] Load torque cycle [Nm] Required braking torque Maximum permissible friction energy per [Nm] Deceleration torque switching cycle ∆n...

  • Page 6: Product Information

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Product information INTORQ BFK458 spring-applied brake A powerful and complete range Durable 9 sizes The insulation system to temperature class F (155°C) Standard voltages 24 V, 96 V, 103 V, 170 V, 180 V, 190 V,...

  • Page 7: Principle Of Operation

    = Air gap lü lü lü INTORQ BFK458 spring-applied brakes are single-disc The resulting magnetic flux works against the spring force to brakes with two friction surfaces. When a de-energised, draw the armature plate to the stator. This releases the rotor several compression springs are used to generate the from the spring force and allows it to rotate freely.

  • Page 8: Example Applications

    Curtain up for INTORQ brakes A silenced version of the double spring-applied brake is used in the theatre as a redundant braking system. INTORQ opens and closes gates and doors Spring-applied brakes with manual release monitoring via microswitches and electromagnetic clutches ensure safe operation of door drives and automatic doors.

  • Page 9: Technical Data

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Technical data Braking torques Depending on the individual application, the graduated armature plate if you want to achieve short operating times torques listed in the tables below are available. A pole shim with low torques.
  • Page 10 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Technical data Brake module E/N + flange + manual release s lü Thickness of friction plate: 1.5 mm (sizes 06-16) J7 1) H7 2) Size spec. standard 10/11/12/14/15 3xM4 4xM4 37.7 3x4.5 106.5 10...
  • Page 11 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Technical data Brake module N + centring flange Brake suitable for mounting a speed or angle sensor Size lü max. 42.3 36.3 3xM4 37.7 4xM4 49.8 42.8 3xM5 4xM5 57.4 48.4 3xM6 4xM5 63.9...
  • Page 12 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Technical data Brake module N + connection flange + brake module N Double brake (double braking torque) as redundant braking system, suitable for use in stage machinery and many other areas of application Size lü...
  • Page 13 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Technical data Rated data Size max. min. Mass of lü max lü max plastic rotor aluminium rotor [20 °C] service brake holding brake adjustment rotor thickness stator [mm] [mm] [mm] [mm] [kgcm [kgcm assy [kg] 0.11...

  • Page 14: Operating Times

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Technical data Operating times The listed operating times apply to DC switching with rated and the air gap s . The engagement time t is approximately lü air gap s and a warm coil. The times are mean values which 10 times higher for AC switching than for DC switching.

  • Page 15: Service Life And Wear

    Maintenance Brakes are components which are subject to a great deal of The BFK458 can be adjusted when the maximum wear. When installing the brake, it must be ensured that it permissible working air gap is reached (s ).

  • Page 16: Accessories

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Manual release The manual release is used to release the brake by hand and can be retrofitted. The manual release springs back to its base position (0 setting) automatically after operation. The release screws are carried in ball joints and are only tensioned.

  • Page 17: Centring Flange Connection Flange Seal

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Centring flange (tacho brake) Brake module N combined with a centring flange is suitable for mounting a tachogenerator. Connection flange (double brake) The connection flange can be used to adapt a second brake module to brake module N;...

  • Page 18: Brake Cover

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Brake cover Brake module E, N + cover = encapsulated design A cover can be mounted onto brake module E and brake module N as an option, to protect the brake from water and dust (enclosure to IP 65).

  • Page 19: Microswitch

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Microswitch The brake can be fitted with a microswitch for the purpose Mounting the microswitch onto brake module E of monitoring the release or wear. The microswitch can be built into the circuit as an NC contact or an NO contact.

  • Page 20: Terminal Box

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Terminal box The connecting cables can easily be integrated into higher- The terminal box is mounted onto the spring-applied brake level controls via the terminal box (brake sizes 12-25) in using a fixing bracket and screws, as shown in the order to support different wiring options (three illustration.

  • Page 21: Type Code

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Bridge rectifiers and half-wave rectifiers Type code – – Brake Electronic Rectifier 1 Bridge rectifier 2 Half-wave rectifier 5 Bridge rectifier/half-wave rectifier 4-pole 6-pole 1-Mounting position horizontal 2-Mounting position vertical 3-Mounting position horizontal with snap-in stud 440 440 V voltage INTORQ 14.198.00.0ò...
  • Page 22 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories 4-pole bridge rectifier and 4-pole half-wave rectifier Dimensions BEG-142/143-270 BEG-242/243-555 BEG-142/143-270 4-pole bridge rectifier 4-pole half-wave rectifier BEG-142-270 BEG-242-555 BEG-143-270 BEG-243-555 Application area Application area Current supply for spring-applied brakes from AC mains Current supply for spring-applied brakes from AC mains (normal excitation).
  • Page 23 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories 6-pole bridge rectifier Dimensions BEG-162-270 BEG-161-270 BEG-162-270 BEG-161-270 6-pole bridge rectifier Technical data BEG-162-270 Max. mains voltage 270 V ~ BEG-161-270 Max. DC current at 60°C 0.75 A Max. ambient temperature 80°C...
  • Page 24 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories 6-pole half-wave rectifier Dimensions BEG-262-460 BEG-261-460 BEG-262-555 BEG-261-555 BEG-261-460 BEG-262-460 6-pole half-wave rectifier Technical data BEG-262-460 Max. mains voltage 555 V ~ / 460 V ~ BEG-261-460 Max. DC current at 60°C 0.75 A...
  • Page 25 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Fixing options 4-pole rectifier Brake Guide Snap-in stud Bore Ø 4.3 1 to 3 mm thick Fixing options 6-pole rectifier Guide...

  • Page 26: Connection Diagrams

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Connection diagrams DC switching Bridge rectifier half-wave rectifier BEG-162-270 BEG-262-460 BEG-161-270 BEG-261-460 Also for star connection with half-wave rectifier BEG-262-460 BEG-261-460 Coil 103 V 180 V AC switching Bridge rectifier half-wave rectifier...

  • Page 27: Mains Voltage Selection Table

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Accessories Mains voltage selection table Rectifier type and rated coil voltage for mains voltage Rectifier Rectifier type Spark suppressor Rectifier type Coil voltage 4-pole 6-pole rated voltage 1 A at 60°C INTORQ 0.75 A at 60°C...

  • Page 28: Dimensioning

    INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Dimensioning Basic information The size of a brake is largely determined by the required = (M ± M ) · K braking torque M . The inertias to be braked (moments of inertia), the relative speeds, the braking times and the ·...

  • Page 29: Calculation Example

    ∆n = 9550 · 2 = 40 N 1450 Ordering example Brake type INTORQ BFK458-14E or design N (with or Assume INTORQ BFK458-14 without torque adjustment ring) is required, with additional manual release and seal. Calculating the required braking torque Supply voltage 205 V = shaft diameter 25 mm.

  • Page 30: Order Form

    3/2007 Recipient: INTORQ GmbH & Co. KG Order form Wülmser Weg 5 · D-31855 Aerzen Fax +49 (0 )51 54 95 39 10 INTORQ BFK458 spring-applied brake with accessories Sender Company Customer no. Street/PO Box Order no. Post code/City...
  • Page 31 INTORQ INTORQ BFK458 spring-applied brake en 3/2007 Order form Accessories Rotor Plastic Aluminium Silenced ò ò ò (only for size 06/08) (rotor with sleeve) Low wear rotor Aluminium Silenced ò ò (rotor with sleeve) mm (for bore diameter, see Dimensions)

  • Page 32: Sales And Service

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