RKB International

Brakes and Clutch

High-Performance Brakes and Clutch Units for Industrial Applications

Technical Specifications

  • Clutch Torque: 26 Kgm (260 Nm) to 1,140,000 Nm
  • Brake Torque: 18 Kgm (180 Nm) to 850,000 Nm
  • Rotation: 2800 rpm
  • Bore Diameter: 24-700 mm
  • Material: Ductile cast iron and NiCr steel
  • Control: Pneumatic
  • Friction Material: Dry friction material
  • Customizable: On request
  • Made in Italy: 100%
  • KB, HT, HC, AS/DS, DG, AC/DC, SB/SK Series
    • Brake Torque: 850,000 Nm
    • Clutch Torque: 1,140,000 Nm
    • Rotation: 2800 rpm
    • Bore Diameter: 24-700 mm
  • SB-N Series
    • Clutch Torque: 1,140,000 Nm
    • Brake Torque: 850,000 Nm
    • Rotation: 2,800 rpm
    • Bore Diameter: 24-700 mm
    • Locking Device: Allowed
  • CK Series
    • Clutch Torque: 80,000 Nm
    • Rotation: 1,200 rpm
    • Bore Diameter: 85-170 mm
    • Locking Device: Not Allowed
  • CB Series
    • Clutch Torque: 58,000 Nm
    • Rotation: 2,000 rpm
    • Locking Device: Not Allowed
  • VC Series
    • Clutch Torque: 630,000 Nm
    • Rotation: 1,800 rpm
    • Locking Device: Not Allowed
  • WA Series
    • Clutch Torque: 770,000 Nm
    • Brake Torque: 240,000 Nm
    • Rotation: 2,000 rpm
    • Bore Diameter: 35-400 mm
    • Locking Device: Allowed
  • LCB Series (Water Cooled Brake)
    • Brake Torque: 250,000 Nm
    • Rotation: 850 rpm
    • Bore Diameter: 57-257 mm
    • Locking Device: Allowed

Hydraulic Clutches and Brakes

  • WO Series (Wet Running)
    • Clutch Torque: 770,000 Nm
    • Brake Torque: 240,000 Nm
    • Rotation: 2,000 rpm
    • Bore Diameter: 35-400 mm
    • Locking Device: Allowed
  • FI-BI Series (Wet Running)
    • Clutch Torque: 5,000,000 Nm
    • Brake Torque: 1,800,000 Nm
    • Rotation: 2,000 rpm
    • Bore Diameter: 50-500 mm
    • Locking Device: Allowed
  • IB Series (Dry or Wet Running)
    • Brake Torque: 80,000 Nm
    • Rotation: 2,000 rpm
    • Bore Diameter: 50-300 mm
    • Locking Device: Allowed
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Product Overview
Manufactured by our partner factory in Europe, RKB International markets and sells Brakes and Clutch units that provide unmatched control, precision, and reliability for various industrial applications. These units deliver superior power transmission and braking performance and are designed to meet the demands of high-speed, high-cyclic, heavy-duty tasks. They are particularly suited for industrial machines such as eccentric presses, knuckle joint presses, metal stamping, and more.

Applications of Brakes and Clutch
RKB International’s Brakes and Clutch units are widely used across a broad range of industries, offering reliable performance in:

  • Eccentric and Knuckle Joint Presses: Ensuring smooth operation and precise braking in high-speed applications.
  • Metal Stamping and Punching Presses: Providing reliable engagement and braking for industrial metalworking tasks.
  • Mechanical Shears and Hot Forging: Delivering strong torque transmission for heavy-duty machinery.
  • Edge Banders and Deep Drawing Presses: Supporting continuous, high-cycle operations in demanding environments.

Key Features of Brakes and Clutch
RKB International’s Brakes and Clutch systems are designed to meet the most rigorous industrial requirements, ensuring optimal performance and longevity. Key features include:

  • Formidable Torque Output: Delivers high torque for heavy-duty tasks, ensuring reliable power transmission.
  • Durable Construction: Built from high-quality ductile cast iron and NiCr steel, combining strength with lightness.
  • Customizable Options: Tailored designs to meet specific industrial needs, available upon request.
  • Low Maintenance: Designed for easy maintenance and longer service life, reducing downtime.
  • Tested for Performance: Each unit is tested before delivery to ensure maximum efficiency and reliability.
  • Compact Design: High power density for space-saving installations, perfect for demanding industrial environments.

Types of Brakes and Clutch

Type Description
KB Series Pneumatic Clutch/Brake unit with dry friction material. Ideal for various industrial machines.
HT Series Evolution of the KB Series with reduced inertia and higher torque. Mixed construction of ductile cast iron and aluminum alloy.
HC Series Compact unit with ductile cast iron and NiCr steel, designed for heavy-duty applications.
AS/DS Series The second evolution of the KB Series, with reduced dimensions and inertia. High-performance unit for compact applications.
DG Series A pneumatic clutch/brake unit with a keying device for secure shaft clamping is needed.
AC/DC Series High-performance compact unit, ideal for machines requiring reliability in high-cyclic applications.
SB/SK Series Separate clutch or brake units with pneumatic control and spring opening are used for diverse industrial machines.
SB-N Series Evolution of the SB/SK Series, eliminating teeth for smoother operation. They are designed for servo presses.
CK Series A multi-plate clutch unit with pneumatic control is suitable for heavy-duty applications.
CB Series Radial Clutch unit for high-performance tasks, especially in marine and offshore sectors.
VC Series The pneumatic Clutch/Brake unit with radial coupling is ideal for Oil & Gas and large machinery applications.
WA Series The wet-running Clutch/Brake unit is designed for compact installations and high heat dissipation.
LCB Series Water-cooled multi-disc brakes and clutches designed for high-performance tasks in the Marine and Oil & Gas sectors.
WO Series Hydraulic Clutch/Brake unit with sintered discs for wet-running applications. Ideal for machines requiring high performance and reliability.
FI-BI Series A separate oil-actuated Clutch/Brake unit with sintered bronze friction material is suitable for heavy-duty applications in hot forging and other demanding sectors.
IB Series A hydraulic brake unit, either dry or wet running, is designed for servo presses and other heavy machinery.
Caliper Brakes Pneumatic or hydraulic caliper brakes for a wide range of industrial applications. Available in hand-operated, pneumatic, or hydraulic variants.

Industries Served
RKB International’s Brakes and Clutch units are trusted in various sectors that require precise power transmission and braking solutions, including:

  • Steel and Metalworking
  • Mining and Oil & Gas
  • Shipbuilding
  • Automotive and Heavy Machinery
  • Forging and Manufacturing

Why Choose Our Brakes and Clutch?
RKB International’s Brakes and Clutch systems, manufactured by our partner factory in Europe, offer superior durability, reliability, and performance in demanding industrial environments. Focusing on delivering high torque output, compact design, and low maintenance requirements, our solutions improve operational efficiency and reduce downtime. Fully customizable and tested for performance, these units are the go-to choice for industries requiring high-performance solutions.

For more details on how our Brakes and Clutch units can benefit your operations, Contact Us.

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