Peak torque extension from servomotors
An
Inmoco product story
Edited by the Engineeringtalk editorial team
Feb 1, 2006
Brushless servomotors provide 53.66Nm of peak torque from the smallest package available.
Inmoco has extended its Exlar range of SLM brushless servomotors with a top-of-the-range 142 frame size, which provides higher levels of peak torque (53.66Nm) from the smallest package available.
This performance is the result of T-Lam stator technology, which is used across the SLM range to provide 35 to 70% more torque and higher efficiency than conventional high-speed brushless servomotors with equivalent frame sizes.
The torque performance and efficiency are the result of a design harnessing the combination of high-density neodymium iron boron magnets and the limited heat generation qualities inherent in the T-Lam segmented stator design.
In particular, the elimination of end turns in the stator and the use of thermally conductive potting remove the parts most susceptible to failure in a traditional stator.
The design also benefits from interface insulation against the high voltage and currents of servo drives, and from Class 18 -H insulation that complies with UL requirements.
There are four frame sizes - 60, 90, 115 and 142mm - and provide maximum continuous torque from 1.69 to 26.83Nm at base speeds from 5000 to 2400rev/min.
The servomotors are of a rugged brushless construction so they can withstand the rigours of the factory floor with low levels of maintenance.
Sealing includes epoxy-coated housings and IP65 ingress protection for use in demanding environments.
Connection options available are MS connectors with embedded leads, or embedded leads with cable plugs.
Feedback options let the servomotors be used with almost any commercially available servo amplifier.
Options include special shafts, mountings, stators and housing materials.
They can be supplied with an integral power-off brake.
With power removed, this locks the actuator shaft securing the external load.
Applications include machine tools, printing, process control, materials handling, automatic assembly, web processing, robotics packaging machinery, coating, testing and aerospace.
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