DC motor for wheelchair applications.

DC Gearmotor specially customised to suit novel wheelchair design.

The challenge in this application was to allow the adjustment of the wheelchair seat height to allow the easy access to workbenches of various heights. Kitchen work surfaces and workplace areas that are normally very hard to access from a wheelchair. Also required from motors in wheelchair applications is the need to independently control the gearmotors for manoeuvring. Challenges faced during the design of a wheelchair are the minimum amount of space for the motors, the weight of the motors and the high torque requirement for users that are heavy. For this application KAG had developed a new custom DC gearmotor based on the M 48 DC motor and the PM 52mm planetary gearhead. They have manufactured a unique cable and connector that allows for very easy connection and they have also manufactured the 52mm gearbox with an extra long shaft. The shaft has been machined with a groove along its length for easy installation with a linear actuator that pushes the seat up and down. For the traction drives on the wheelchair they have used x2 DC gearmotor assemblies with noise optimised gearboxes and backlash reduction customisations. The motors are fitted with noise reduction circuits for compliance with the motor drive and power supply. This style of brushed DC gearmotor is robust both internally and externally. It can withstand high short term overloads and the rigours of use outdoors.

KAG

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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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