Cylindrical plug gauge

Japanese: 円筒形プラグゲージ - えんとうけいぷらぐげーじ
Cylindrical plug gauge

…When making a part through machining, a gauge that has a measuring end face based on the maximum dimension allowable for the part and a measuring end face based on the minimum dimension is called a limit gauge, and a gauge used as a measurement standard is called a standard gauge. Circular gauges indicate their length by the diameter of the disk, cylindrical plug gauges and roller gauges indicate their length by the diameter of a cylinder, and plate plug gauges and flat plug gauges have part of a cylinder as their measuring surface and indicate their diameter. Longer gauges are called bar gauges, and those with flat, cylindrical, or spherical measuring end faces are used. …

From [Limit Gauge]

…Figure 2 shows various types of limit gauges. For hole limit gauges, cylindrical plug gauges are used for relatively small dimensions, and for larger dimensions, flat plug gauges with a part of a cylinder as the measuring surface or plate plug gauges are used, and for even larger dimensions, bar gauges are used. For shaft limit gauges, ring gauges are used for relatively small dimensions or thin-walled parts, and C-shaped plate snap gauges are used for slightly larger dimensions. …

From [End standard]

...the end surface is either flat, cylindrical, or spherical. There are parallel end standards with parallel flat end surfaces such as gauge blocks and micrometer standard rods and rectangular or circular cross sections, disc gauges and cylindrical plug gauges with a completely cylindrical measuring surface, cylindrical end bar gauges and flat plug gauges with a measuring surface that is part of a cylinder, and spherical bar gauges with a spherical measuring surface and circular cross section. These are also simply called gauges. …

*Some of the terminology that refers to "cylindrical plug gauge" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…機械工作で一つの部品を作るのに,部品に許容しうる最大寸法を基準とした測定端面と,同じく最小寸法を基準とした測定端面とをもつゲージを限界ゲージといい,測定の標準として用いるゲージを標準ゲージという。円板ゲージは円板の直径で長さを示し,円筒形プラグゲージ,ころゲージは円柱の直径で示し,板プラグゲージ,平プラグゲージは円柱の一部を測定面にもち,その直径で示す。長いものは棒ゲージで,その測定端面に平面,円筒面,球面をもつものが用いられている。…

【限界ゲージ】より

…図2は各種の限界ゲージである。穴用限界ゲージでは,寸法が比較的小さいものに対しては円筒形プラグゲージが用いられ,それより大きい寸法のものに円筒の一部を測定面とする平形プラグゲージ,または板プラグゲージ,さらに大きい寸法のものに棒ゲージが用いられる。軸用限界ゲージでは,比較的小さい寸法や薄肉の部品にリングゲージを,やや大きい寸法の部品にはC形板はさみゲージを用いる。…

【端度器】より

…端面は平面,円筒面,または球面のいずれかである。ブロックゲージやマイクロメーター基準棒のような平行な平端面をもち,かつ断面が長方形,または円形の平行端度器,測定面が完全な円筒形の円板ゲージや円筒形プラグゲージ,測定面が円筒の一部からなる円筒端バーゲージや平プラグゲージ,球の測定面をもち断面が円形の球面棒ゲージなどがある。これらを単にゲージともいう。…

※「円筒形プラグゲージ」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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