...There are a wide variety of sealing devices, depending on the presence or absence of relative motion of the sealing parts, the speed and type of relative motion, the properties and pressure of the fluid to be sealed, the roughness of the contact parts, and other factors, and requirements differ depending on the application. Therefore, it is difficult to clearly classify them, but gaskets are usually classified according to material into nonmetallic gaskets (rubber sheets, O-rings, etc.), semi-metallic gaskets (combinations of nonmetal and metal), metal gaskets (flat metal gaskets, metal O-rings, etc.), and liquid gaskets. On the other hand, packings are classified according to function and material, as shown in the table below. ... *Some of the terminology that refers to "O-rings" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…密封部分の相対運動の有無,相対運動の速さと様式,密封対象の流体の性質や圧力,接触部分の粗さなどが関与し,また用途によって要求が異なるため,密封装置には多種多様のものがある。したがって分類も明確にしがたいが,通常ガスケットは材質によって非金属ガスケット(ゴムシート,Oリングなど),セミメタリックガスケット(非金属と金属の組合せ),金属ガスケット(金属平形ガスケット,金属Oリングなど),液状ガスケットに分類される。一方,パッキングは機能,材質によって表のように分類される。… ※「O リング」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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