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Mayr Power Transmissions has extended the performance range of its Roba-DS disk pack couplings, with new sizes covering a nominal torque range of 22,000Nm to 110,000Nm.

The Roba-DS disk pack coupling is designed to provide a backlash-free, positive locking solution that works with very low tightening torques.

The flexible disk pack is coupled through a new cone connection to the transmissions hubs instead of using traditional ground bolts with frictional locking.

This positive connection is backlash free and reduces the screw-tightening torques to a fraction of the equivalent friction-locked couplings.

Key specifications

• High torque density

• Insensitive to temperature extremes

• Torsionally rigid and maintenance free

• Transmit torque backlash free without wear

• Compensate for shaft misalignment

• Double-jointed couplings can be manufactured with custom spacers

• Can be installed or removed using a socket set or torque wrench

Mayr Transmissions

Mayr are the first choice for torque limiters, clutches, electromagnetic safety brakes and precision shaft couplings.

Mayr combine more than 110 years of innovation, manufacturing technology and quality control with world-class levels of customer service to ensure we maintain our market leading position.

Torque limiters and friction clutches

  • Backlash free ball indent, magnetic and friction torque limiters for the protection of rotating machinery and other drive systems.
  • Torque range from 0.1 to 100,000Nm.

Electromagnetic safety brakes

  • Single and multi-circuit, holding and dynamic fail-safe brakes with EN81, IP67 and BGV C 1 options.
  • Torque range from 1.1 to 50,000Nm.

Precision shaft couplings

  • Torsionally rigid, backlash-free, flexible shaft couplings in a range of designs including metal disk, carbon spacer, bellows and elastomeric spider.
  • Torque range up to 110,000Nm.

Mayr’s products can be found in many of today’s most demanding of applications including:

  • Stage and theatre
  • Winching and hoisting
  • Water treatment
  • Wind energy
  • Bottling and packaging equipment
  • Machine tools
  • Food processing.

With a huge range of standard products and the ability to design and make application specific designs, you can be sure Mayr will have the perfect product for your equipment. Please contact us to discuss your requirements.

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