Motor series for compact and higher performing machines
Kollmorgen’s AKM 8 Servomotors allow OEMs to specify the exact servomotor solution with superior performance, reduced time to market, competitive pricing.
Kollmorgen introduces AKM 8 Servomotors - the addition to the company’s AKM motor series. With a feature-set to satisfy global requirements, AKM8 motors allegedly deliver higher torque density to cover the broadest torque/speed range in a housing that is 30% shorter than any standard motor in its class available today. As a result machine builders can reduce the size of their machines without sacrificing performance or they can select a longer stack length to achieve higher performance without having to specify a larger motor that would typically require mechanical changes to the machine.
“The AKM high performance motor series offers a wide range of mounting, connectivity, feedback and other options and, with the addition of the AKM8, is now available in 8 frame sizes, 28 frame/stack combinations and 112 ‘standard’ windings. The result is unprecedented choice and flexibility to satisfy the exact needs of even more global applications, with the favorable delivery times and lower cost of a standard product. This is particularly significant for today’s machine builders who need to get a better, globally-deployable, machine to market, faster,” says Gene Matthews, Product Manager.
The AKM8 is available in two standard flange/shaft combinations reportedly designed to integrate with 80% - 90% of machine builder needs around the globe, with no modifications to the customer flange needed. As standard, AKM8 windings are designed to operate at 230, 400, 480 VAC, allegedly eliminating the need for voltage transformation for machines that will be deployed in various geographic regions. AKM8 motors feature Class F insulation for a temperature rating of 155°C, and provide stall torque from 75 to 180 Nm, operating speeds up to 2500 rpm, and power up to 19.8 KW, with bearing lifetime rated to 20,000 h. These motors are RoHS and REACH compliant, UL listed, and carry the CE mark.
All AKM series motors feature a one-piece housing with potted windings purportedly for maximum wire isolation and excellent heat dissipation. Market-standard high resolution feedback options for high- performance/precision or rugged environments are available, including Endat, BISS, Hiperface, and resolver option, among others. AKM motors are available for low or high speed (to 8000 rpm) applications, with windings that can be applied to all standard global voltages including 75 VDC, 120, 240, 400 and 480 VAC. A number of options are available to satisfy wide ranging application needs including a reinforced bearing to handle higher radial force, a sealing option to achieve IP67 protection at the flange, as well as varied connectivity and mounting options.
For truly unique applications where the standard AKM offerings don’t meet the requirements of a given application, the Kollmorgen engineering support team can work alongside OEMs to customize a solution to satisfy their needs.
- Edited by Gust Gianos, Control Engineering, www.controleng.com
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