An instrument that converts force into displacement using an elastic body and measures the displacement to determine the magnitude of the applied force. Figure 1 shows a type of measuring instrument that measures compressive or tensile force, called an annular spring dynamometer. It uses a loop- or ring-shaped spring made of special alloy steel, and measures the deflection caused by force with a dial gauge or micrometer. Instead of mechanical deflection measuring instruments, instruments that can obtain an electrical output using a differential transformer or linear scale are also used. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
弾性体を利用して力を変位に変換し,変位を測定することにより加わった力の大きさを知るための計器。図1は,圧縮あるいは引張力を測定する計測器の一種で,環状ばね形力計という。特殊合金鋼製のループ形やリング形のばねで,力によるたわみをダイヤルゲージやマイクロメーターで測定する方式のものである。機械的なたわみ測定器の代りに,差動トランスやリニアスケールなどにより電気的な出力が得られるようにしたものも利用されている。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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