R+W EK Series Elastomer Couplings

EKL

EKL Compact Elastomer Coupling

Overview
The EKL is a compact elastomer coupling engineered for efficient performance in confined spaces. Offering a torque range from 0.5 to 2,150 Nm, this model combines a short overall length with advanced features for reliable operation.

Key Features

• Compact Design
  Space-saving with a short overall length, ideal for applications where space is limited.

• Easy Mounting
  Simplifies installation with user-friendly clamping hubs.

• Vibration Damping
  Effectively reduces noise and vibration for smoother, quieter operation.

• Temperature Range
  Versatile performance across various operational environments, depending on the elastomer insert used.

Design and Materials

• Design
  Features two concentrically machined hubs with curved jaws and clamping screws on each side for secure attachment.

• Materials

  • Hubs: High-strength aluminum (up to 450 series) or steel (from series 800).

  • Elastomer Insert: Made from thermally stable TPU, ensuring durability and resistance to wear.

EK2

EK2 Elastomer Coupling

Overview
The EK2 is an elastomer coupling with clamping hub designed to provide a frictional connection with easy mounting. With a torque range of 6 to 2,150 Nm, this model ensures high concentricity and effective performance in various applications.

Key Features

• Easy Mounting
  Facilitates straightforward installation with user-friendly clamping hubs.

• High Concentricity
  Ensures precise alignment for optimal performance.

• Vibration Damping
  Reduces noise and vibrations, contributing to smoother operation.

• Temperature Range
  Adaptable to different operational environments based on the elastomer insert used.

Design and Materials

• Design
  Incorporates two concentrically machined hubs with curved jaws and clamping screws on each side for a secure fit.

• Materials

  • Hubs: High-strength aluminum (up to 450 series) or steel (from series 800).

  • Elastomer Insert: Constructed from wear-resistant, thermally stable TPU for enhanced durability.

EZV

EZV Line Shaft with Split Clamping Hub and Adjustable Length

Overview
The EZV Line Shaft with Split Clamping Hub offers a continuously adjustable length, catering to torque requirements ranging from 12.5 to 1,200 Nm. Designed for ease of installation and removal, this line shaft is ideal for applications requiring the bridging of larger distances between shaft ends, with standard lengths available up to 4 meters.

Key Features

• Infinitely Variable Length
  Allows for continuous length adjustment within specified ranges, providing flexibility to suit various application needs.

• Easy Installation and Removal
  The split clamping hub design simplifies the process of installing and removing the shaft.

• Bridges Larger Distances
  Capable of spanning significant distances between shaft ends without the need for intermediate support bearings.

• Standard Lengths Up to 4 Meters
  Offers versatility with standard lengths accommodating a wide range of setups.

• No Intermediate Support Bearings Required
  The design eliminates the need for additional support, reducing installation complexity and maintenance.

Temperature Range

• Adaptable to various operating environments, contingent on the elastomer insert used.

Design and Materials

• Design

  • Clamping Hubs: Two split clamping hubs, each equipped with two clamping screws, ensure a secure connection. Both coupling bodies are robustly connected with an intermediate tube optimized for high rotational speeds.

  • Length Adjustment: Length can be modified within the specified range by loosening the tube clamping hub, allowing for precise adjustments as needed.

• Materials

  • Hubs: Made from high-strength aluminum for durability and lightweight characteristics.

  • Intermediate Tube: Constructed from high-precision aluminum to ensure optimal performance during high-speed rotation.

  • Elastomer Insert: Crafted from wear-resistant, high-performance TPU, ensuring consistent performance and longevity.

EK1

EK2 Elastomer Coupling with Keyway Mounting

Overview
The EK2 Elastomer Coupling with Keyway Mounting is an affordable, high-performance coupling designed for a torque range of 0.5 to 25,000 Nm. This model is optimized for cost-effective applications, offering high concentricity and low backlash.

Key Features

• Low-Priced
  A cost-effective solution for various industrial applications.

• High Concentricity
  Ensures precise alignment, contributing to reliable performance.

• Low Backlash
  Features keyway mounting with set screws, minimizing backlash for improved accuracy.

• Temperature Range
  Suitable for a range of operating environments, depending on the elastomer insert used.

Design and Materials

• Design
  Comprises two concentrically machined hubs with curved jaws, keyways, and set screws. From series 2500, the elastomer insert is divided into five individual segments.

• Materials

  • Hubs: High-strength aluminum (up to 450 series), steel (from series 800), or GGG40 (from series 2500).

  • Elastomer Insert: Made from wear-resistant, thermally stable TPU for durability and long-lasting performance.

EKH

EKH Elastomer Coupling with Fully Split Clamping Hub

Overview
The EKH Elastomer Coupling with Fully Split Clamping Hub is designed for lateral mounting, offering a torque range of 4 to 25,000 Nm. This model is engineered for easy installation and removal, making it ideal for applications requiring frequent maintenance or adjustments.

Key Features

• Lateral Mounting
  Allows for quick and straightforward installation, as well as easy removal in tight spaces.

• Easy Installation and Removal
  The fully split hub design enables hassle-free installation and maintenance.

• High Concentricity
  Ensures precise alignment and reliable operation.

• Temperature Range
  Adaptable to various operating conditions, depending on the elastomer insert used.

Design and Materials

• Design
  Features two concentrically machined, fully split hubs with curved jaws and one clamping screw on each side. The clamping hub half is laterally removable in one direction. For series 2500, the elastomer insert consists of five individual segments.

• Materials

  • Hubs: High-strength aluminum (up to series 450), steel (from series 800), or GGG40 (from series 2500).

  • Elastomer Insert: Made from wear-resistant, thermally stable TPU for enhanced durability and performance.

EK6

EK6 Elastomer Coupling with Conical Clamping Ring

Overview
The EK6 Elastomer Coupling with Conical Clamping Ring is designed to deliver high clamping pressure and very high concentricity, making it ideal for precision applications. With a torque range of 4 to 25,000 Nm, this coupling is axially mountable and built to withstand demanding environments.

Key Features

• High Clamping Pressure
  Ensures a secure, reliable connection, even under high loads.

• Very High Concentricity
  Provides precise alignment, crucial for high-performance applications.

• Axial Mountable
  Facilitates straightforward installation and secure mounting.

• Temperature Range
  Suitable for a variety of operating environments, depending on the elastomer insert used.

Design and Materials

• Design
  Comprises two concentrically machined hubs with curved jaws, conical clamping rings, and screws (number varies by series). From series 2500, the elastomer insert is divided into five individual segments.

• Materials

  • Hubs: High-strength aluminum (up to series 450), steel (from series 800), or GGG40 (from series 2500).

  • Elastomer Insert: Constructed from wear-resistant, thermally stable TPU for enhanced durability and long-lasting performance.

ES2

ES2 Torque Limiter with Clamping Hubs and Elastomer Coupling

Overview
The ES2 Torque Limiter with Clamping Hubs and Elastomer Coupling offers vibration damping and reliable torque protection for a range of 0.1 to 1,800 Nm. It combines a robust safety system with flexible coupling, making it suitable for various industrial applications that require both precision and safety.

Key Features

• Vibration Damping
  Effectively reduces vibrations, ensuring smoother and quieter operation.

• Robust Safety System
  Features a hardened steel safety system utilizing a spring-loaded ball-detent principle for dependable torque limitation.

• Clamping Hubs
  Secure connection with two clamping hubs, each with one clamping screw and concave driving jaws for a firm hold.

• Temperature Range
  Designed to perform across a variety of temperature conditions, depending on the elastomer insert used.

Available Function Systems

• W = Single Position / Automatic Re-Engagement (Standard)
  Provides automatic re-engagement after overload, suitable for most applications.

• D = Multi-Position / Automatic Re-Engagement
  Offers multiple re-engagement positions for greater flexibility.

• G = Load Holding / Load Blocking
  Maintains load holding or blocking functionality during operation.

• F = Full Disengagement / Manual Re-Engagement
  Ensures complete disengagement with manual re-engagement when necessary.

Design and Materials

• Design
  Comprises two clamping hubs with one clamping screw each and concave driving jaws. The integrated safety system operates on a spring-loaded ball-detent principle for precise torque control.

• Materials

  • Safety System: Constructed from hardened steel for durability and reliable performance.

  • Hub D1: High-strength aluminum (up to size 450) or steel (size 800 and up) for robustness.

  • Hub D2: High-strength aluminum (up to size 60) or steel (size 150 and up) for enhanced durability.

  • Elastomer Insert: Made from wear-resistant, thermally stable TPU for consistent performance across varying temperature ranges.

EZ2

EZ2 Line Shaft with Fully Split Clamping Hub for Longer Distances

Overview
The EZ2 Line Shaft with Fully Split Clamping Hub is designed for applications requiring the bridging of large center distances. Capable of handling torque ranges from 1,950 to 25,000 Nm, this model offers easy installation and removal and is ideal for long-distance connections with standard lengths up to 4 meters.

Key Features

• Easy Installation and Removal
  Simplifies maintenance and installation with fully split clamping hubs.

• Bridges Large Center Distances
  Designed for applications where significant distances need to be spanned, eliminating the need for intermediate support bearings.

• Standard Lengths up to 4 Meters
  Provides flexibility with long shafts, available in standard lengths of up to 4 meters.

• No Intermediate Support Bearings Required
  The design negates the need for additional support, reducing complexity and cost.

• Temperature Range
  Adaptable to a variety of operating environments, depending on the elastomer insert used.

Design and Materials

• Design
  Features two fully split clamping hubs with concave driving jaws and four clamping screws, firmly connected to a highly straight and laterally stiff intermediate tube. The elastomer insert is composed of five separate segments for optimized performance.

• Materials

  • Hubs: Made from GGG40, a durable and strong material.

  • Elastomer Insert: Wear-resistant, thermally stable TPU for consistent operation across different temperature ranges.

  • Intermediate Tube: Constructed from steel for rigidity, with an optional CFK (Carbon Fiber Reinforced Polymer) tube available upon request for enhanced performance.

ESL

ESL Torque Limiter with Keyway Mounting and Elastomer Coupling

Overview
The ESL Torque Limiter with Keyway Mounting and Elastomer Coupling is an economy version torque limiter designed for a torque range of 1 to 150 Nm. This model integrates a safety system directly into one of the hubs, offering reliable overload protection and precise torque control.

Key Features

• Economy Version
  Cost-effective design without compromising on performance and safety.

• Integrated Safety System
  Includes a robust safety system made from high-strength steel, with drive balls crafted from hardened steel for durability.

• Keyway Mounting
  Ensures secure and accurate attachment through keyway mounting.

• Temperature Range
  Suitable for various operating environments, depending on the elastomer insert used.

Available Function Systems

• D = Multi-Position / Automatic Re-Engagement
  Offers automatic re-engagement after torque overload, providing continuous protection and minimizing downtime.

Design and Materials

• Design
  Comprises two hubs, each with a keyway, and an integrated safety system within one of the hubs for streamlined operation.

• Materials

  • Safety System: Constructed from high-strength steel for reliable performance.

  • Drive Balls: Made from hardened steel for enhanced durability.

  • Hubs: High-strength aluminum for a lightweight yet strong build.

  • Elastomer Insert: Crafted from wear-resistant, thermally stable TPU for consistent performance across temperature variations.

EK7

EK7 Elastomer Coupling with Expanding Shaft Hub

Overview
The EK7 Elastomer Coupling with Expanding Shaft Hub is specifically designed for hollow shaft mounting, providing a torque range of 2 to 2,150 Nm. This model features a compact design, saving both mounting space and costs, making it an efficient choice for tight installations.

Key Features

• For Hollow Shaft Mounting
  Ideal for applications requiring secure attachment to hollow shafts.

• Short Overall Length
  Compact design that saves space, perfect for installations with limited room.

• Cost and Space Efficiency
  Reduces mounting space and associated costs, providing an economical solution.

• Temperature Range
  Suitable for various operating conditions, depending on the elastomer insert used.

Design and Materials

• Design
  Includes one concentrically machined hub with curved jaws and a side clamping screw, along with an expanding shaft featuring an inner cone and screw for secure hollow shaft mounting.

• Materials

  • Hubs: High-strength aluminum (up to series 450) or steel (from series 800).

  • Elastomer Insert: Made from wear-resistant, thermally stable TPU.

  • Expanding Shaft Hub: Steel for robust and reliable performance.

  • Inner Cone: Steel for durability and secure fitting.

EKZ

EKZ Intermediate Spacer

Overview
The EKZ Intermediate Spacer is designed to provide high lateral misalignment compensation and is suitable for a torque range of 2 to 2,150 Nm. This versatile spacer can be combined with any two hub designs, offering flexibility in various coupling applications.

Key Features

• High Lateral Misalignment Compensation
  Effectively accommodates lateral misalignments, ensuring reliable operation.

• Easy to Mount
  Simplifies installation, making it a convenient solution for various setups.

• Versatile Combination
  Can be paired with any two hub designs, providing customization options for different applications.

• Temperature Range
  Adaptable to different operating environments, depending on the elastomer insert used.

Design and Materials

• Design
  Features a concentrically machined spacer with curved jaws and two backlash-free elastomer inserts for smooth and reliable performance.

• Materials

  • Elastomer Insert: Made from wear-resistant, thermally stable TPU for durability.

  • Intermediate Spacer: Constructed from high-strength aluminum, ensuring a lightweight yet robust structure.

TX1