Small claims for hybrid stepper motors

The world's smallest hybrid stepper motors, measuring only 20mm square, are now available exclusively in the UK from SmartDrive.

The world's smallest hybrid stepper motors, measuring only 20mm square, are now available exclusively in the UK from SmartDrive.

The ultracompact, lightweight motors, manufactured by Tamagawa, are available in two-phase (3692) and five-phase (3682) unipolar and bipolar versions, and combine high torque with high-speed response.

The two-phase models offer 200 steps of 1.8 degrees each per revolution, whereas the five-phase versions offer 500 steps of 0.72 degrees, offering the possibility of 125,000 steps per revolution when used with the matched 250th-step Tamagawa microstepping drive.

Torque levels range from 0.013 to 0.032Nm for the two-phase and 0.013 to 0.024Nm for the five-phase versions.

Maximum pull-out torque is achieved at around 1000 pulses per second for the two-phase motors and up to 20,000 pulses per second for the five-phase models.

The motors are available with lengths of 30 and 46.5mm, with corresponding weights of 50 and 85g.

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