運転情報を抽出するための構造体変形センサの開発

概要

論文の詳細を見る
Working force or temperature irregularity induces the deformation of the structure of an operating machine; the operational information can be obtained from the structural deformation. The authors designed, fabricated and evaluated a "structural deformation sensor" to obtain operational information. It is composed of two elastic blocks fixed on the structure and a rigid connecting bar combined between the two blocks; strain gauges attached on the parallel plates in the block can detect the displacement discrepancy between the connecting bar and the structure with a 0.1μm resolution. With the connecting bar made of the same material as the structure, deformation induced by working force can be measured; with the bar of invar alloy, thermal deformation can be done. Through its applications to various machines, we could obtain the following operational information : working forces of press machines and excavators, stock weight of silos, thermal positioning errors of grinding machines, machining centers and coordinate measuring machines.
公益社団法人精密工学会の論文
1998-06-05