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New from Ruland: Expanded Range of Bellows Couplings

Ruland Manufacturing Co., Inc.
July 1, 2020

Expanded Range of Bellows Couplings

Ruland now offers bellows couplings
with bore sizes up to 1-1/4” or 32mm

Marlborough, MA – Ruland Manufacturing has expanded its line of bellows couplings to include an outer diameter of 2-1/4” (57mm) allowing for larger bore sizes and increased torque and torsional stiffness capabilities. Designers prefer to specify bellows couplings in servo driven systems due to their high accuracy and repeatability. This size expansion now allows for bore sizes up to 1-1/4” or 32mm in a clamp style design with or without keyways.

Ruland bellows couplings are an assembly of two hubs and a thin-walled metallic bellows. Hubs are manufactured from aluminum for light weight and low inertia. They are joined together by a thin walled stainless steel bellows allowing the coupling to remain flexible under high torsional loads. Bellows couplings can accommodate all forms of misalignment and size for size have the greatest torque and torsional stiffness capability in Ruland’s servo coupling product line.

The increased range gives bellows couplings consistent outer diameters and bore sizes with other Ruland servo couplings including disc, jaw, and oldham. They are the most accurate of the Ruland manufactured servo couplings and are ideal for linear applications commonly found in printing, semiconductor, solar, and robotics. They are zero-backlash and have no moving parts for a long maintenance-free life.

Ruland manufactures bellows couplings with a balanced design for reduced vibration at speeds up to 10,000 RPM. They are available in inch, metric, and inch to metric bore sizes with or without keyways from 1/8” to 1-1/4” and from 3 mm to 32 mm. Non-standard designs such as special bore sizes, custom bore tolerances, and stainless steel hubs are available upon request.

Bellows couplings are part of Ruland’s motion control coupling product line which also includes beam, controlflex, disc, oldham, slit and zero-backlash jaw. They are carefully manufactured in Ruland’s Marlborough, Massachusetts factory under strict controls using proprietary processes. 3D CAD files, full product specifications, and installation videos are available on www.ruland.com

Company Information

Ruland Manufacturing Co., Inc. is a privately owned family company founded in 1937. We have carefully and responsibly manufactured high performing shaft collars, rigid couplings, and motion control couplings for the past 40 years. Our product line was recently expanded to include a variety of machine components from select manufacturers we have worked with that align with our performance and quality standards.

Article Summary

  • Expanded outer diameter allows for greater amounts of torque and torsional stiffness.
  • Bore sizes to 1-1/4” and 32mm.
  • Zero-backlash with no moving parts for a long maintenance-free life.
  • Made from aluminum hubs and stainless steel bellows for reduced weight, increased strength, and suitability for high RPM applications (up to 10,000 RPM).
  • RoHS3 and REACH compliant.
  • Carefully made in our Marlborough, MA USA factory and available for immediate delivery.

Product Link: Expanded Range of Bellows Couplings


Contact:

Ruland Manufacturing Co., Inc.
6 Hayes Memorial Drive Marlborough, MA 01752, USA
Phone +1 508 485 1000
Fax +1 508 485 9000
E-Mail: marketing@ruland.com
Internet: www.ruland.com


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