Grinding - Kensaku (English spelling)

Japanese: 研削 - けんさく（英語表記）grinding

A type of cutting process in the broad sense. A grinding wheel (also called a grinding wheel) made of hardened abrasive material is rotated at high speed, and the corners of the abrasive grains (→ abrasive grain processing) are used to grind the workpiece little by little to the required shape, dimensions, and surface condition. The abrasive grains are extremely hard, so they can easily cut hardened steel parts and cemented carbide, which are difficult to cut with a cutting tool, and can produce a good finished surface and dimensional accuracy, so they are usually used in the final finishing process.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

広義の切削加工の1種。高硬度の研磨材を焼固めた研削砥石 (砥石車ともいう) を高速回転させ，砥粒 (→砥粒加工 ) の角で工作物をわずかずつ削っていって所要の形状，寸法，表面状態にすること。砥粒はきわめて硬く，バイトでは切削困難な焼入れ後の鋼製部品や超硬合金でも容易に加工でき，良好な仕上げ面や寸法精度が得られるので，普通は最終仕上げ工程に用いられる。

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