Custom small DC servo motor for position and power.

Only just delivered to our customer, this fine example of the high customisation capabilities with maxon brushless DC servo motors.

Pictured here is the maxon 90mm Brushless DC motor fitted with a 52mm Ceramic planetary gearhead and an optical incremental encoder. The motor is being used in a robotic joint application that required a high torque output and highly accurate position control from a short assembly. The pancake style brushless motor has a continuous 24/7 duty rated torque of 517mNm and coupled with the gearhead this gives 30Nm at the output shaft. Because of the positional accuracy and low speed operational requirements the standard integrated encoder that is normally specified with this motor could not be used. An optical encoder needed to fitted to the back side of the motor. Normally, this is a simple task for a high end motor manufacturer however this particular motor is called an “external rotor motor” commonly also referred to as “out runners”. On this style of brushless DC motor the rear of the motor is rotating while the only stationary part is the front mounting flange. maxon motor were able to overcome the technical challenge by manufacturing the motor with an additional shaft section through the rear of the outer rotor and then machine a recess in the front flange to enable an encoder mounting bracket to wrap around the external rotor. Sure, it may not look like a typical brushless DC motor but for automation engineering, it’s solutions that count. www.maxonmotor.com.au

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About maxon motor Australia

maxon motor is the world’s leading supplier of high-precision drive systems. More than 40 years’ experience, constant innovation, top-quality products and competent customer service make maxon motor a reliable partner in the drive technology sector. We are driven by your specific requirements. The product range incorporated in the modular system is comprehensive: Brushed and Brushless DC motors with the unique ironless maxon winding Flat motors with iron cores Planetary gears, spur gears and special gears Sensors (encoders, DC tachos, resolvers) Servo amplifiers, position controllers and control electronics High-tech CIM and MIM components Customer specific drive solutions. maxon motor is a Swiss company headquartered in Sachseln (Central Switzerland) that employs more than 2000 staff worldwide. With 14 sales companies based in over 30 countries, sales partners in another 10 countries and with six production sites, maxon motor are able to provide locally-based and competent customer service. maxon motor helps provide innovative solutions at competitive prices for numerous applications in various markets, such as Medical technology, Industrial automation and robotics, Aerospace industry, Automotive industry, Communication, Consumer applications, Inspection and Instrumentation and Safety engineering. maxon motor Australia is based in Mt Kuring-Gai NSW and our staff will be happy to help you with all your DC motor and technical enquiries. www.maxonmotor.com.au

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