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You are here: Home / Motors / DC Motors / New brushless DC motor and gearhead by maxon with high rpm, power and both are sterilizable

New brushless DC motor and gearhead by maxon with high rpm, power and both are sterilizable

June 4, 2015 By Zak Khan Leave a Comment

The new brushless BLDC motor EC 19 has been specially designed for high speeds and features low heat development and extremely quiet and low-vibration running. It has applications in centers for miniaturized processing, hand-held tools and medical technology. When combined with planetary gearhead GP 19 M, many possible variations are available for applications in these key markets.

With its modular construction, this new brushless DC motor is available in three performance classes: the cost-optimized EC 19 at 60 W, the strong and high-speed EC 19 at 120 W and the sterilizable, high-end version EC 19 at 120 W. The internals of the drives are responsible for their individual characteristics.

  • The EC 19 at 60 W is equipped with a magnetic circuit that is designed for speeds of up to 80,000 rpm. The maximum continuous torque is 12 mNm and the motor contains no Hall sensors.
  • The EC 19 at 120 W has been designed for speeds of up to 100,000 rpm and delivers a maximum continuous torque of 24 mNm. Versions with and without Hall sensors are available.
  • The EC 19 Sterilizable at 120 W may be sterilized in an autoclave 1,000 times. With a maximum permissible speed of 100,000 rpm and 24 mNm continuous torque, this drive also withstands high temperatures and harsh steam cycles. This is achieved through careful selection of materials and through protection of the components such as in the hermetically sealed rotor magnet.

With maxon motor’s winding technology, it is possible to offer various voltage versions. The stator has been designed without slots. Therefore, no cogging torque occurs resulting in excellent control properties and extraordinarily smooth running. Together with an optimally balanced rotor, low-noise and low-vibration operation is easily achieved.

maxon’s new sterilizable planetary gearhead, the GP 19 M, is ideal for applications requiring very high speeds, including input speeds of up to 40,000 rpm. To accommodate such high speeds, the toothing and materials have been especially designed to minimize friction. A key demand placed on the materials are the 1,000 sterilization cycles, with no need to disassemble for sterilization, as the gearhead contains a special shaft seal.

The new 19 mm drives are particularly suitable for surgical and dental devices, such as arthroscopic shavers and bone drills. There is also a focus on respirators and CAD/CAM spindle drives.

maxon motor

www.maxonmotor.com

Filed Under: DC Motors, Motors Tagged With: maxonprecisionmotors

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