典型用途包括直接驱动机床、rotary tables and radial positioning units. Two versions are currently available with stator diameters of 140 mm and 291 mm. The motors’ hollow shaft rotors utilize high flux density neodymium-iron-boron (NdFeB) magnets and offer ample internal space for through-motor wiring or mechanical parts. The stator windings are fully protected against over-temperature conditions and are encapsulated within a thermally optimized enclosure that offers a choice of air-cooled and water-cooled configurations. The motors can provide continuous torque even when stalled, and are designed for direct attachment to the load with no need for gearboxes or shaft couplings, to provide accurate, backlash-free rotary transmission. The rotor and frameless stator are supplied as component parts and are primarily intended for applications that require total integration of the motor within the servomechanism in order to reduce weight or volume. Motors can produce a very high S1 torque density and are available with a choice of stator and rotor lengths to best suit the motion requirements of the application. By way of example, a 140 mm diameter motor with an active length of 70 mm can produce a peak torque of approximately 82 Nm (60 Lb-ft.) at speeds up to 1500 rpm, and a continuous (stall) torque of approximately 50 Nm (37 Lb-ft.).
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NUM Corp.
www.num.com
630.505.7722
