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18 September, 2019

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Is this 1.4 gram motor the world`s smallest?

01 September, 2003

Is this 1.4 gram motor the world`s smallest?

The Swiss motor manufacturer Arsape claims that a 6mm-diameter, two-phase stepper motor that has developed, is the world`s smallest series-produced machine of its type. The 9.3mm-long ADM 0620 motor weighs a mere 1.4g and is aimed at applications such as micro-actuators, medical instruments and inspection systems.

The motors (shown above) can reach an angular acceleration of 165,000 rad/s, and achieve a power rating of 125—250mW, depending on the operating mode. The standard bearings are sintered, but ball bearings are also available. A matching 6mm-diameter planetary gearhead is available in ratios from 4:1 to 4,096:1, delivering a torque of up to 35mNm. Various controllers can be supplied. The motor is distributed in the UK by Electro Mechanical Systems.




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