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Spring-Applied Brakes - INTORQ BFK457

Spring-Applied Brakes - INTORQ BFK457
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Spring-Applied Brakes - INTORQ BFK457

Product catalog summary
Overview
The INTORQ BFK457 is a spring-applied brake known for its reliability, compact design, and ease of installation. It is part of the KENDRION Industrial Brakes portfolio, emphasizing innovation and service excellence.
Key Features
  • Fail-safe spring-applied brake with emergency stop function.
  • Easy mounting with integrated fixing screws.
  • CSA-certified for global markets.
  • Interchangeable with other series like BFK458, BFK470, and BFK557.
Technical Specifications
  • Design Types: Compact, basic, double brake.
  • Standard Rated Voltages: 24 V, 205 V.
  • Protection Class: IP00 – IP55.
  • Thermal Class: F (155°C).
  • Ambient Temperature: -20°C to 40°C.
  • Rated Torques: 4 to 125 Nm.
  • Duty Time: 100% ED.
  • Nominal Backlash: 1°.
  • Options: Friction plate, flange, hand release, seal ring, customizations.
Applications
  • Suitable for industrial trucks, hoists, conveyors, and automation engineering.
Design and Dimensions
  • Compact one-piece design for fast and easy installation without adjustments.
  • Available in various sizes with specific dimensions for each size.
  • Low-noise design (<50 dBA).
Additional Information
  • Kendrion offers corresponding rectifiers for optimal control.
  • Contact the manufacturer for specific project solutions and customizations.
Specifications
The document details specifications for double spring-applied brakes, specifically the BFK457 model, covering sizes 06 to 16. It includes standard voltages of 24V and 205V for sizes 06-12, and 24V, 42V, and 205V for sizes 14-16. The nominal torque is specified in Nm, based on a rotational speed of 100 r/min, with braking torque being speed-dependent. Coil power at 20°C is given in watts, with a deviation of up to ±10% depending on connection voltage. Dimensions are in millimeters.
Procedures and Recommendations
Consultation with the manufacturer is required for non-standard mounting surfaces made of steel. The speed-dependent nature of the braking torque is emphasized.
Dimensions and Design
Detailed dimensional data for each brake size is provided, including diameter, length, and specific mounting details. Design options include basic, compact, and double brake versions, with customer-specific configurations available.
Product Overview
The document highlights the importance of automation solutions in industry and the role of brakes in ensuring safety. Kendrion is committed to quality and safety, offering customized solutions tailored to customer needs. The company prides itself on its agile organization, modular product development, and global structure, facilitating quick responses to customer requests and ensuring high-quality standards.
Contact Information
Contact details for Kendrion's offices in Germany, the USA, China, and India are provided, including addresses, phone numbers, and email addresses.
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Catalog excerpts

Spring-Applied Brakes - INTORQ BFK457-1

INTORQ BFK457 Spring-applied brake - 100% reliability Compact and easily fitted PRECISION. SAFETY. MOTION.

 Open the catalog to page 1
Spring-Applied Brakes - INTORQ BFK457-2

Our brakes – perfect for your safe application KENDRION Industrial Brakes – stands for smart innovation and excellent service, which we consistently apply for the benefit of our customers: Strong know-how Our specialists develop the leading-edge permanent magnet and springapplied brakes. With INTORQ as a new member of KENDRION, we have once again consistently expanded our range of spring-applied brakes and clutches for you. This way, we can find the right solution for any of your requirements. Complete product portfolio Electromagnetic brakes and clutches as well as perfectly matched accessories:...

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Spring-Applied Brakes - INTORQ BFK457-3

The INTORQ BFK457 On the point – Fail-Safe spring applied-brake – Operating brake and holding brake with emergency stop function – Easy mounting due to integrated fixing screws – Project solutions quickly implementable – CSA-certified Industrial trucks Automation enginee

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Spring-Applied Brakes - INTORQ BFK457-4

Reliable spring-applied brake – compact & easily fitted Often, the brake is only required to perform its basic function. The BFK457 is ideal for these situations. The speed of fitting with integral fixing screws and fixed air gap make this spring-applied brake even more attractive. The standard INTORQ BFK457 is offered with few additional options. The design as a turned part facilitates specific adaptations to achieve project solutions. You can rely on tried-and-tested components of the Intorq modular system for friction systems to meet the high quality standards. The INTORQ BFK457, labeled with...

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Spring-Applied Brakes - INTORQ BFK457-5

The first choice for projects: The right brake, customized to your specific application - Compact one-piece design - Fast and easy installation - Design-in platform for customized solutions

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Spring-Applied Brakes - INTORQ BFK457-6

Technical data Design types Standard rated voltages Protection class Thermal class Ambient temperature Rated torques Duty time Nominal backlash Compact, basic, double brake 24 V, 205 V IP00 - IP55 F (155°C) Friction plate, flange, hand release, seal ring, customizations Please read the general information on data sheets and the corresponding operating instructions. Design subject to change without notice. 11 The use of holding brakes as operating brakes is possible but requires the use of over-excitation. You will find the right design for your application in our product finder!

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Spring-Applied Brakes - INTORQ BFK457-7

Pilot bored without keyway - Compact Standard keywayBFK457 in accordance with DIN 6885/1-P9 BFK457 Ø 38 mm, keyway A in accordance with DIN 6885/3-P9 Brake size Compact design B fully assembled with rotor and flange Cheese head screw for emergency manual release only, not to be used h2 for normal braking operation (cheese head screw according to DIN EN ISO 4762; see d7) • Standardpassfedernut nach DIN 6885/1-P9 • Standardpassfedernut nach3)DIN 6885/1-P9 • Bei abweichender Anschraubfläche aus Stahl ist Rücksprache mit Hersteller erforderlich 3) • Bei abweichender Anschraubfläche aus Stahl ist...

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Spring-Applied Brakes - INTORQ BFK457-8

Brake size Please contact the manufacturer if a different mounting surface made from steel is used. Compact design with hand release BFK457 - Compact BFK457 mit Handlüftung - Compact mit Handlüftung b 3) h7 l l1 bei MKmax 3) l2 M SLN ±0,1 S Lmax bei MKaS Lmaxβ SLN ±0,1 SLmax bei m l2 K S Lmax bei MKmax

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Spring-Applied Brakes - INTORQ BFK457-9

Dimensions Double spring-applied brake Brake size Pilot bored without keyway Standard keyway in accordance with DIN 6885/1-P9 Ø 38 mm, keyway in accordance with DIN 6885/3-P9 Please contact the manufacturer if a different mounting surface made from steel is used. Brake size

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Spring-Applied Brakes - INTORQ BFK457-10

For an overview of the many standard options available, we offer you a choice of combinations. All features are available at short notice and have been extensively tested. Version □ Operating brake - Low rated torque □ Holding brake - Maximum rated torque Voltage □ 24 V □ 42 V (ab BG14) □ 205 V Other voltages customer-specific available Rotor □ Standard Aluminium Other rotors customer-specific available Designs □ Basic □ Compact □ Double brake Hand release Counter friction face Sealing □ For bore diameter, see dimensions □ Mounted (customer-specific available) □ Friction plate □ Flange □ Seal...

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Spring-Applied Brakes - INTORQ BFK457-11

Customized solutions – tailored exactly to your needs Automation solutions have become an indispensable part of industry and everyday life. In this context, it is often the brakes that ensure safety: They hold loads and brake reliably in an emergency. Just as automation continues to evolve, brakes must also face higher demands – forward-looking products are in demand. At the same time, quality and safety must be unconditionally guaranteed. This is a challenge that Kendrion Industrial Brakes meets with passion and care. When it comes to developing customer-specific solutions, we have three aces...

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Spring-Applied Brakes - INTORQ BFK457-12

Kendrion INTORQ GmbH Wülmser Weg 5 31855 Aerzen Germany T +49 5154 70534-222 [email protected] INTORQ US INC. 106 Northpoint Parkway Acworth, GA30102 USA T +1 678 236 0555 F +1 678 309 1157 [email protected] Kendrion (China) Co., Ltd. No.10 Huipu Road, Suzhou Industrial Park Suzhou City Jiangsu Province China T +86 21 20363 810 F +86 21 20363 805 [email protected] INTORQ India Pvt. Ltd. Plot No E-2/7 Chakan Industrial Area, Phase 3 Kharabwadi, Taluka – Khed Pune, 410501, Maharashtra India T +91 21 3562 5500 [email protected] www.kendrion.com © KENDRION 02.11.202...

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