maxon motor who already manufacture ceramic planetary gearheads for use in conjunction with DC brushed and brushless motors (gear motors), have traditionally supplied these precision planetary units only as gearmotor combinations.
The increased efficiency and improved wear characteristics of maxon motor gear units have created a demand for them as stand alone items and not just in combination as a gearmotor.
Starting with the 22mm and 32mm ceramic planetary gearheads they are now available in double ended stand alone units. The 22mm gearhead has a 4mm hardened stainless steel shaft at both the input and output. The shaft can be configured with and without a flat. The 32mm version planetary gearhead has a 6mm hardened stainless steel shaft at both the input and output. Shaft modifications are also possible on request.
Reduction ratios on the smaller gearhead range from 3.8:1 through to a staggering 4592:1, the reduction range on the 32mm unit is even higher at 3.7:1 through to 6285:1.
Example applications that require such configurations are where engineers are using a DC motor as a generator or a Brushless DC motor as an alternator.
New energy experiments are requiring particular output power levels with extremely high or low input speeds. This requirement combined with space and weight restrictions has often been unachievable with the component commercially available. Especially given that gearing is often required and traditional planetary gearheads are not designed to be back driven. However new motor technology achieving levels over 700w from 32mm and a mass of only 730g or even 240w, 230g, 22mm can now be used as generators with a wide rage of input speeds by simply turning the gearhead around. The ceramic planetary gearheads have high natural efficiencies and the motors are zero gogging with no electromagnetic detent. The results are some of the smallest generator and alternator units with low mass, low mechanical friction,low inertia and highest efficiency available. 
For more information on these application specific gearing solutions please do not hesitate to contact maxon motor Australia.

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.

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