Jaw Couplings for Surgical Robots

Ruland manufactures zero-backlash jaw couplings with a balanced design and style for lessened vibration and constant velocity.

Marlborough, MA. Ruland manufactures zero-backlash jaw couplings with a balanced style for minimized vibration and consistent velocity in programs that demand demanding starts and stops these kinds of as these in industries like semiconductor, photo voltaic, health care, and packaging. The dampening capability of Ruland’s jaw couplings assist in reducing settling time and shock hundreds, generating them an perfect option for precision positioning devices.

Jaw couplings are a 3-piece assembly comprised of two aluminum hubs and an elastomeric element known as the spider. The spider is made from sophisticated polyurethane which lowers impulse loads that may cause shock to the motor and other sensitive gear. Readily available in 3 durometers, the spider allows the consumer to tailor the jaw coupling’s torsional stiffness, misalignment, and dampening needs to their application.

Ruland jaw couplings function a curved profile that press matches onto the spider making certain zero-backlash operation. The curved jaw profile evenly distributes the forces to the center of the spider’s limbs, enhancing the efficiency of the elastomer substance. Elevated contact points on the spider limbs help keep good spacing amongst the two hubs, allowing for for electrical isolation and comprehensive angular misalignment capabilities.

The designer can mix and match clamp or set screw hubs with inch or metric, and keyed or keyless bores. Bore sizes variety from 1/8 inch to 1-1/4 inch and 3 mm to 32 mm. Spiders are accessible in 85 shore A for the greatest dampening capacity, 92 shore A for a balance of dampening and torsional stiffness, and 98 shore A for the biggest torque and torsional stiffness. This blend of hubs and spiders offers designers a high amount of customizability.

All Ruland zero-backlash jaw couplings are manufactured from find North American bar inventory in Ruland’s manufacturing unit in Marlborough, Massachusetts underneath strict controls applying proprietary processes. Complete product data, 2D and 3D CAD data files, installation films, and much more are accessible on ruland.com.


  • Balanced hub layout to support better RPM with decreased vibration
  • Huge vary of clamp and established screw fashion hubs with inch, metric, keyed, or keyless bores
  • Spider dampens impulse loads though reducing shock to sensitive devices
  • RoHS3 and Achieve compliant
  • Carefully produced in Ruland’s factory in Marlborough, Massachusetts and available for immediate shipping and delivery

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About Ruland: 
Ruland Production Co., Inc. is a privately owned loved ones corporation launched in 1937. Ruland has very carefully and responsibly created superior performing shaft collars, rigid couplings, and motion regulate couplings for the past 40 decades. Ruland’s product or service line was a short while ago expanded to consist of a variety of equipment factors from pick suppliers that align with Ruland’s performance and good quality requirements.

Get in touch with:
Ruland Producing Co., Inc.
6 Hayes Memorial Drive
Marlborough, MA 01752, United states of america
Cell phone +1 508 485 1000
Fax +1 508 485 9000
E-mail marketing and advertising@ruland.com
Net www.ruland.com

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