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Spring-Actuated Brakes
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Catalog excerpts

Spring-Actuated Brakes - 1

SPRING-ACTUATED BRAKES ELECTROMAGNETIC CLUTCHES & BRAKES SPRING-ACTUATED BRAKES Application Motors, articulated robots, actuators, machine tools, forklifts, aerial vehicles, hoists, electric carts, electric shutters, medical equipment, wind turbine generators Provides Excellent Performance in Emergency Braking When Power Goes Out and in Long-term Holding These are electromagnetic brakes actuated by the force of springs when not energized. These standard brakes boast a variety of advantages, including quiet operation, long service life, slim form factors, high torque in a compact package, stable braking force, and the ability to release manually. We can create custom designs for you based on these standard products.

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Spring-Actuated Brakes - 2

SPRING-ACTUATED BRAKE Compact, dual side mounting For compact servo motors Double plate INVERTERS LINEAR SHAFT DRIVES TORQUE LIMITERS ROSTA Double plate, slim form factor Compact, dual side mounting Double plate SPEED CHANGERS ELECTROMAGNETIC-ACTUATED CLUTCHES AND BRAKES Double plate CLUTCHES & BRAKES Compact, dual side mounting ELECTROMAGNETICACTUATED MICRO CLUTCHES & BRAKES ELECTROMAGNETICACTUATED CLUTCHES & BRAKES ELECTROMAGNETIC CLUTCH & BRAKE UNITS SPRING-ACTUATED BRAKE ELECTROMAGNETIC TOOTH CLUTCHES BRAKE MOTORS Model Selection POWER SUPPLIES Quiet mechanism Models/ Type Mounting...

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Spring-Actuated Brakes - 3

SPRING-ACTUATED BRAKES ELECTROMAGNETIC CLUTCHES & BRAKES Product Lineup Braking use Holding use Dedicated for holding ■ Three types for various applications The line-up includes three types: the L type for braking, the H type for holding, and the S type dedicated for holding. Mountable on either the stator or the plate, allowing the stator (a heat source) to be located freely. Brake type Brake torque Operating temperature Backlash Extremely small size Extremely small size ■ Structure Has release lever Armature Rotor Hexagon head set screw Torque spring Hexagon socket countersunk head bolt...

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Spring-Actuated Brakes - 4

Stable braking Long service life CLUTCHES & BRAKES These reduce annoying high-frequency friction noise during braking. Products that reduce aperiodic noise or armature pull-in noise are also available. ■ Stable braking With low torque fluctuation, these brake loads instantly even when malfunctions occur. Brake torque Operating temperature SPEED CHANGERS & REDUCERS INVERTERS Stud bolt Auxiliary spring LINEAR SHAFT DRIVES Rotor spring Torque spring TORQUE LIMITERS Lead wires Extremely small size High torque ELECTROMAGNETIC-ACTUATED CLUTCHES AND BRAKES ELECTROMAGNETIC CLUTCH & BRAKE UNITS...

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Spring-Actuated Brakes - 5

SPRING-ACTUATED BRAKES ELECTROMAGNETIC CLUTCHES & BRAKES Customization Examples ■ Integrated coupling-rotor hub type This is a large version of the BXW with static friction torque of 300 N•m. Backlash is kept extremely small by locking the rotor hub to the rotor via a disc spring. Even more compact devices can be designed by fitting the slim and compact BXR model spline rotor hub into a metal plate-spring-type coupling exterior. ■ Types with Integrated Flanges ■ Special Release Levers Mounting flanges and brake stators can be integrated. This helps reduce the number of components and saves...

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Spring-Actuated Brakes - 6

I don't see anything with the torque and response I need in your standard products. Can you customize something for me? ETP BUSHINGS ELECTROMAGNETIC CLUTCHES & BRAKES SPEED CHANGERS We can customize units in many ways: outfitting them for overexcitation power supplies or use of inrush current at motor startup, changing the frictional material, boosting torque, increasing response, extending the total energy LINEAR SHAFT DRIVES (service life), suppressing heat generation, and more. Consult Miki Pulley for details. TORQUE LIMITERS ROSTA Yes, we can. For example, we have a long track record...

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Spring-Actuated Brakes - 7

SPRING-ACTUATED BRAKES Coil (at 20℃ ) Static friction torque Voltage Wattage Current Resistance Ts [N·m] [V] [W] [A] [Ω] 12 24 Max. Rotating part Allowable braking Total braking Armature Armature Mass rotation speed moment of inertia energy pull-in time release time energy rate [kg] J [kg·m2] ET[J] ta [s] Pbaℓ [W] tar [s] [min-1] Lead wire UL style Heat resistance class ELECTROMAGNETIC CLUTCHES & BRAKES BXW(L/H/S) Models * Depending on the initial torque characteristics, break-in to condition the engaging surfaces may be required. Coil (at 20℃ ) Static friction torque Voltage Wattage...

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Spring-Actuated Brakes - 8

CLUTCHES & BRAKES SPEED CHANGERS Lead wire length: 400 mm Release direction Release direction Lead wire length: 400 mm LINEAR SHAFT DRIVES TORQUE LIMITERS Radial direction dimensions A Axial direction dimensions * There is no release lever option for size #01. * The dimensions in parentheses ( ) are values for BXW- □ - □ S. SERIES ELECTROMAGNETIC-ACTUATED CLUTCHES AND BRAKES ELECTROMAGNETICACTUATED MICRO CLUTCHES & BRAKES ELECTROMAGNETICACTUATED CLUTCHES & BRAKES ELECTROMAGNETIC CLUTCH & BRAKE UNITS SPRING-ACTUATED BRAKE Bore dimensions Bore diameter (dimensional symbol d) Release lever 10:...

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Spring-Actuated Brakes - 9

SPRING-ACTUATED BRAKES Specifications Static friction torque Ts [N·m] Coil (at 20℃ ) Voltage Wattage [V] [W] Lead wire Heat resistance class Rotating part moment of inertia J [kg·m2] Allowable braking energy Ebaℓ [J] Total braking energy ET [J] Armature pull-in time ta [s] Armature release time tar [s] * The armature pull-in time and armature release time are taken during DC switching. ELECTROMAGNETIC CLUTCHES & BRAKES BXW(R) Models 30° I Lead wire Length: 200 mm *The lead wire exit for size #01 is located in the dashed area. Radial direction dimensions Axial direction dimensions Bore...

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Spring-Actuated Brakes - 10

Items Checked for Design Purposes ■ Precautions for Handling Most electromagnetic braking systems are made using flexible materials. Be careful when handling such parts and materials as striking or dropping them or applying excessive force could cause them to become damaged or deformed. This brake is available in braking, holding, and dedicated for holding types according to the application. Do not use BXW(H/R) types for ordinary braking, except for emergency braking in the event of a power outage or the like. You should note that BXW(S) types dedicated for holding cannot effect emergency...

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All Miki Pulley Europe AG catalogs and technical brochures

  1. STK Catalog

    2 Pages

  2. ASK Model

    2 Pages

  3. SFM Model

    8 Pages

  4. SFS Model

    14 Pages

  5. SFC Model

    12 Pages

  6. SFF Model

    14 Pages

  7. SFH Model

    8 Pages

  8. DC Motors

    12 Pages

  9. KSK Model

    2 Pages

  10. BXR-LE Model

    2 Pages

  11. BXR Model

    4 Pages

  12. BXW Model

    4 Pages

  13. BXH Model

    4 Pages

  14. BXL Model

    4 Pages

  15. BXL-N Model

    2 Pages