...Some micrometers have a larger radius on the scale face, or use a vernier to make the graduations 2 μm or 1 μm. Depending on the purpose of use, there are micrometer heads with spherical measuring surfaces, outside micrometers that measure outside dimensions, inside micrometers that measure inside dimensions, tooth thickness micrometers that measure the thickness of gears, and depth micrometers that measure the depth of grooves and holes. Figure 1 shows an outside micrometer, with a threaded spindle on one side of the frame and an anvil attached to the other. *Some of the terminology that refers to "inside micrometer" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…目盛面の半径を大きくしたり,バーニヤを用いて目量を2μm,1μmにしたものがある。マイクロメーターは使用目的により,球形測定面をもつマイクロメーターヘッド,外側寸法を測る外側マイクロメーター,内側寸法を測る内側マイクロメーター,歯車の厚さを測る歯厚マイクロメーター,みぞや穴の深さを測るデプスマイクロメーターなどがある。 図1は外側マイクロメーターで,フレームの一方にねじスピンドルをもち,他方にアンビルが取り付けられている。… ※「内側マイクロメーター」について言及している用語解説の一部を掲載しています。 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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