Portescap (West Chester, PA) has
introduced the R08 planetary gearhead
that delivers continuous torque
of 0.05 Nm within an overall envelope
of 8 mm. The standard gearbox
is available from 4 to 256 ratios,
which can be further extended to
ratios of 4096. The gearhead can be
coupled with brush DC, brushless, and stepper motors in their respective
frame sizes. It can also be customized to meet specific customer
requirements. Design improvements include a crimping process performed
along with the press fit that increases strength and shock
absorption capacity. A monobloc shaft reduces the total number of
components. The gearheads are suited for use in medical applications,
imaging (collimators, radiography), and security and access applications;
and in instrumentation applications such as industrial robots.
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