Technical Data Gearhead by Citizen Micro
= Technical Data Gearhead by Citizen Micro
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https://mic.citizen.co.jp/cms/micro/web/english/tec06.html
“Gear Efficiency” subsection: stage efficiency is a reference value depending on motor torque and speed, with a significant decrease at lower torque. Mechanical losses include gear meshing and rotating-support friction; the three-stage example multiplies0.9 by itself three times. “Gearheads” supplies the speed-reduction context.