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Heason Technology Brushless Servo Motors

A range of brushless servo motors with a separate rotor and stator design, aimed at the smooth precise control and directdrive of large inertia or high torque loads, is available from precision motion specialists Heason Technology Limited. The Megaflux thin-ring torque motor from USA manufacturer Emoteq Corporation has an inherently large diameter-to-length ratio - from 150 mm x 30 mm to 760 mm x 123 mm - and covers continuous stall torque from 3 Nm to over 2000 Nm. The frameless construction and space-saving form factor of the Megaflux allows the motor to be directly integrated on the driven shaft eliminating the resonance associated with flexible couplings; and with no need for a gearbox, the high torque/low cog output is backlash-free ensuring precise control. The large through-hole is especially useful for accommodating electrical wiring and other services such as slip ring assemblies and beam delivery
systems whilst the form factor will suit OEMs requiring rotary positioning axes in space restricted applications. The Megaflux has been widely used in robotics, azimuth/elevation tracking devices, laser scanning systems, and machine tools.

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