高速度領域を含めたゴムローラ動摩擦係数と試験機による差異の検討(機械力学,計測,自動制御)

概要

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Rubber rollers are widely used in financial equipments and office automation devices and are required for high speed and accuracy. Experiments were conducted to recognize the characteristics of rubber rollers for a wide range of velocity especially at high velocities. Frictional coefficient grabually fell down at low velocity range (0.01〜0.5m/s) and is nearly constant at middle velocity range (1〜3m/s). Confirmatory experiments and numerical analysis were conducted and quantitative differences among measuring machines were considered. Frictional coefficient fell down at high velocity range (3〜11m/s). It is mentioned in the literature that when a rubber is deformed at high speed, the rubber becomes hardened by dynamic viscoelastic property. This leads to reducing frictional force derived from hysteresis loss, which explains the decrease of frictional coefficient at high velocity.
社団法人日本機械学会の論文
2009-02-25