Several new versions of the companyÕs P110 series of miniature step motors are designed to suit the differing demands of instrumentation, medical, miniature robotics, and other applications. The two-phase, 24-step P110 is just 16 mm in diameter and 19 mm long with a holding torque rating of 7 mNm. The companyÕs unique disc-magnet technology reportedly results in a very low rotor inertia of 0.40 x 10-7 kgm2, resulting in very high dynamic capability. The P110 is available as a threaded shaft small linear actuator. Other versions come with: the R16 planetary gearbox for high torque (0.3 Nm) requirements; the B16 spur gearbox for applications needing up to 0.12 Nm; and with a 12-line magnetic encoder for position feedback or closed-loop operation. PORTESCAP, Amherst, NY. (716) 691-9100.
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