planet pinion

planet pinion

[′plan·ət ‚pin·yən]
(mechanical engineering)
One of the gears in a planetary gear train that meshes with and revolves around the sun gear.
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References in periodicals archive ?
Slow speed gear box 300 rpm drill m/c (chanda )~, csk screw m8*15l, internal circlip for gear housing, motor pinion for slow speed gear box 300 rpm, planet carrier with spacer 300 rpm for slow speed gear box, planet pinion with needle bearing and shaft & nut 300 rpm,Etc).
Bob Chambers, senior VP, operations, gives this example of a recent project at the North Branch, MI, plant: making planet pinions out of E52100 for automotive transmissions.