Abstract
Recently plastic micro gear is paid attention in mobile information instrument, small medical instruments, micro robot and so on. But it is not kwon abut power transmission characteristic of micro plastic gear. So we made plastic gear mold of module 0.15 and experimental apparatus for deformation and life of gear. And we carried on experiment two plastic materials, polyacetal and nylon with glass as comparison. In this result, deformation strength of nylon with glass is higher than that of polyacetal in micro gear of module 0.15. In life test, we know that nylon with glass gear is long life compared with polyacetal gear in the same loading torque conditions.
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