3rd Quarter 2012Electrical switching & drive systems & components
Beckhoff Motion Division has unveiled the new high performance AM8000 servomotor series. These rotary synchronous servomotors, which are available in standard and stainless steel designs, are characterised by high dynamics, energy efficiency and low cost. A highlight is the new single-cable technology with which the power and feedback systems are combined in one standard motor cable. As a result, material and commissioning costs can be significantly lowered.
Beckhoff now offers a complete automation system from the company’s own development and production facilities in Germany. This consists of PC-based controllers, I/O, drives and motors. In combination with servo drives from the AX series, to which the AM8000 series is perfectly matched with regard to power rating and windings, Beckhoff can fulfil customer requests even more flexibly.
The AM8000 series encompasses six different motor sizes, each with two or three optional overall lengths, so that the widest possible torque range is covered seamlessly with overlaps. The user can select a motor suitable for universal use from a stall torque range of 0,9 to 65 Nm. The sophisticated rotor and stator technology forms the basis for the new servomotor. Modern salient pole winding technology is used in the motor, which enables an even higher slot fill factor. Small end turns, in conjunction with a fully encapsulated stator, provide robustness and excellent thermal management. Through optimised design and the use of high quality materials, it has been possible to increase AM8000 energy efficiency by more than 10% compared to conventional servomotors.
The encoder data, rotor position, multi-turn information and status of the thermal conditions in the motor are transmitted reliably and free from interference via a digital interface. This results in significant cost savings since plug connectors and cables are eliminated at both the motor and the controller ends. Backlash-free permanent magnet holding brakes and low backlash planetary gears are also offered as options.
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