In today’s rapidly advancing technology landscape, machinery and equipment must operate at maximum efficiency and with minimal downtime. Carefully selected components such as universal joints can prevent scores of machinery problems and help optimize operations. By Rita Nolan | Belden Universal In most cases, sourcing universal joints require some degree of customization. Joint selection is […]
Voith adds IIoT functionality to torque limiting couplings with Dtect
Voith now offers Dtect — an intelligent monitoring system that provides real-time data of driveline performance and coupling status. With Dtect operators can take actions to prevent potential problems and avoid unplanned downtime. By supporting better decision making, Dtect also increases productivity and significantly lowers production and maintenance costs. Dtect enables comprehensive monitoring of a […]
June Robotic Summit: Register now and we’ll see you in Boston
Our team hereby welcomes you to Boston in June for the 2019 Robotics Summit — June 5 and 6, 2019 to be exact. Focused on the design, development, manufacture, and delivery of commercial robotics, the Robotics Summit is actually co-located with the DeviceTalks event at the Seaport World Trade Center. As an attendee, expect to […]
New leadership and ownership at RoCom Couplings Corp.
California-based RoCom Couplings Corp. — which specializes in triple-start beam couplings — is now under the ownership and management of Randy Kingsbury and Daniel Miano. This follows more than more than 38 years of ownership by the Jewell family. The manufacturer of high-performance flexible shaft couplings has also relocated operations from Huntington Beach to Santa […]
What are couplings for power-transmission drive shafts?
Updated May 2019 || As outlined in our coverage of couplings for motion control — here at this couplingtips.com article — couplings connect rotating shafts powered by a drive of some type — often an electric motor. All couplings serve to transmit drive torque and angular velocity. But applications for motion control (such as axes […]
Machines use Zero-Max CD couplings for component balancing
Now some balancing machines incorporate pre-balanced CD Couplings from Zero-Max to get reliable system performance. Prebalancing aids on-machine trim balancing during assembly into the balance machine. CD Couplings have a combination of operating characteristics that support reliable automotive-component balancing. Making this possible is the coupling’s proprietary Composite Disc pack which in this application is designed […]
Servo couplings: Stiffness, damping, hunting, and stabilization considerations
Here we address considerations when specifying servo couplings to satisfy servo requirements — ever-evolving specifications that become more demanding all the time. By Tetsuya Niwa • Director of product planning and development Kei Yamada • Product Manager — Product planning and development Hiroki Goto • engineering specialist Paulo Castelo • Technical solutions supervisor • NBK America […]
Flexible-coupling considerations for motion-control designs in OEM and plant setups
Couplings connect rotating shafts in equipment powered by electric motors and other drives. All transmit torque and angular velocity. Flexible variations compensate for misalignment. Many of the latter even address vibration and improve system dynamics. Design considerations include machine or installation construction and backlash, torsional stiffness, damping, inertia, torque ratings, maximum rpm, size, misalignments, ease […]
Damping servomotor couplings — New ways to use flexible couplings to minimize hunting and boost system stability
August 27, 2017 update: The full-length technical feature on this servo-coupling topic of damping and gain setting is now live. New technological improvements in servomotors have spurred dramatic improvements in response frequencies. The catch is that vibration (and hunting) tend to arise when designers apply high gain settings to servo systems and use advanced couplings […]
Reaction forces from couplings: How to prevent or mitigate?
All flexible couplings compensating for misalignment cause reaction forces, and their effect is significant if misalignment is excessive. These often-overlooked reaction forces transmit to connected shafts and support bearings, and can cause damage to motion axes — especially on precision designs with delicate bearings and slender shafts. Though couplings get their compliance from elastomeric deflection, […]
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