Low-cost right-angle planetary gearheads in NEMA sizes

Paul Boughton
A new series of low-cost right-angle EG planetary gearheads from Sterling Instrument is offered in four standard NEMA sizes, 17, 23, 34, and 42. These gearheads, identified as the S91..SREG.. series, feature planetary gears, high torsional stiffness, case-hardened spiral bevel gears, and are sealed to extend their service life. They are offered in both single- and double-stage formats, and include a precision balanced clamp-on pinion. Woodruff keys #404 and motor mounting hardware kits are supplied.
Each of the four NEMA sizes is offered in 13 gear ratios ranging from 3:1 to 100:1. Their maximum input speed is 5000rpm and their single-stage and double-stage minimum efficiency is 85 per cent and 80 per cent, respectively. Operating temperatures range from -40 to +107 degrees C (-40 to +225 degrees F). The housings are made of steel, gold zinc plated. The right-angle housing and mounting flanges are made of black anodised aluminium.
Quotes, online orders, available stock, and 3D CAD Model downloads are available online.
For more information, visit www.sdp-si.com/estore

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