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ZF has developed an electric motor which does not require magnets. In contrast to the magnet-free concepts of so-called separately excited synchronous motors (SESM) already available today, ZF’s I2SM (In-Rotor Inductive-Excited Synchronous Motor) transmits the energy for the magnetic field via an inductive exciter inside the rotor shaft. This makes the motor uniquely compact with maximum power and torque density.
Electric drives often need to operate under high voltages up to 800 V to provide more power and higher speeds. However, the risk of partial discharges increases at these voltages. In combination with high operating temperatures, these can locally damage the insulation and lead to machine failure. However, a good impregnation ensures not only electric insulation but also copper bonding, to mechanically strengthen the electric motor, and air gap filling, to allow a better heat transfer.
AMETEK Dynamic Fluid Solutions (AMETEK DFS) and the former Bison Gear and Engineering Corp. have combined to create a more robust, customer-centric business named Bison. The newly created Bison, a business of AMETEK, Inc., will provide a broader range of high-quality products, unparalleled customization and integration support, accelerated time to production, and global manufacturing flexibility.
Kollmorgen has announced the new AKD2G 24A drive. Designed for applications in precision multi-axis servo systems, the new single-cable optimized drive builds upon the strengths of the AKD2G portfolio including upgraded safety features, SD card backup and a graphical display with higher amperage to support more applications with higher power requirements such as conveyors and vertical lifting applications.
The Electrical Apparatus Service Association (EASA) honored Dennis Franklin, an Essex Brownell retiree, for the EASA Exceptional Achievement Service Award.
Kollmorgen recently announced the launch of Kollmorgen Express Delivery. This new designation identifies highly popular motion products — including some of the most requested configurations and options — that Kollmorgen is ready to deliver within an accelerated timeframe. Machine builders have always benefited from Kollmorgen’s wide range of standard product configurations, features and options. This broad portfolio serves the unique needs of many diverse industries and applications but can create challenges for rapid delivery, especially when material supplies are constrained.
Nidec Corporation has acquired full ownership of TAR, LLC d/b/a Houma Armature Works, a privately- owned US company (“Houma”). As a result of the transaction, Houma became a consolidated subsidiary of Nidec.
DELO has developed its first dual-curing, high-temperature adhesive for electric motor applications. Delo Dualbond HT2990 is designed for use in multiple processes, including magnet bonding and magnet stacking in electric motor manufacturing.
The 2023 EASA Convention, June 25-27, at the Gaylord National Resort & Convention Center in National Harbor, MD. EASA (https://easa.com/convention) supports companies involved in the service and sale of electric motors, pumps, drives, controls, gearboxes and other rotating machinery. Highlights include synchronous motors, machine reliability, leadership, sustainability, EASA's 90th birthday bash, motor maintenance, pump repair, supply chain issues and more.
Visitors to EASA in June will get a chance to see some of the highest efficiency electric motors available on the market when they stop by the Nidec Motor Corporation Booth (#613). Nidec’s “Super Premium” and above variable frequency drive (VFD) motors and all-in-one, integrated motors and controls are leading the industry with efficiency ratings of IE 4 and IE 5 for remarkable energy savings compared to traditional single speed motors.