Brushless DC motors: fast, smooth and very cool
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Trident Engineering product story
Edited by the Engineeringtalk editorial team
Jun 28, 2001
The new Portescap 22mm brushless DC motors available from Trident Engineering are capable of running speeds of up to 60,000 rev/min and produce minimal heat even when generating maximum torque.
The new Portescap 22mm brushless DC motors available from Trident Engineering are capable of running speeds of up to 60,000 rev/min and produce minimal heat even when generating maximum torque.
This makes them a perfect choice for use in dental drills, surgical tools, medical respirators, gas analysers, bar code scanners and similar demanding high-speed applications.
Designated 22 BS, 22 BM and 22 BL, these new motors are available with body lengths of 38mm, 48mm and 58mm and develop a typical maximum torque of 9mNm, 15mNm and 23mNm respectively.
They can be supplied with a range of windings to suit operating voltages from 5V to 30V.
All models feature a pre-lubricated precision ball bearing system that, together with the brushless construction, ensures maximum reliability and an operating life in excess of 10,000 hours - equivalent to well over a year of continuous running.
Equally suitable for use in variable and fixed-speed applications, these new 22mm motors combine low inertia with high peak torque that provides fast acceleration combined with excellent speed control characteristics.
All versions can be supplied with hall-effect sensors to facilitate their use in applications where accurate positional control is required.
Trident Engineering also supplies a comprehensive range of spur and planetary gearboxes with standard ratios from 4:1 up to 4,000:1 to fit the 22mm motors.
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