… Surface roughness has long been measured by touching it with the hand or by visual comparison. In 1929, G.S. Schmaltz invented the stylus-optical lever-type surface roughness measuring instrument, and research into surface roughness began to progress. In Japan, the Nippon Optical Finished Surface Inspection Instrument, which used a stylus-optical lever, was released between 1932 and 1935, followed by the Ogoshi type, the Kosaka type, and others. … *Some of the terminology explanations that mention "Schmaltz, GS" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 表面の凸凹は手でさわったり,目によって比較することによって調べることが古くから行われていた。1929年,シュマルツG.S.Schmaltzが触針光てこ式表面あらさ測定器を発明し,表面あらさの研究はこれを機に進み始めた。日本においては1932‐35年に触針光てこを用いた日本光学式仕上面検査器が出され,次いで大越式,小坂式などが出された。… ※「Schmaltz,G.S.」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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