Superabrasives collectively refer to the diamond and cubic boron nitride (CBN) abrasives used in grinding applications. This article discusses the classification of superabrasive wheels according to a variety of sizes and shapes, construction, concentration, and bond systems. It provides information on the applications of the superabrasive wheels depending on the factors of the grinding system. These factors include machine tool variables, work material, wheel selection, and operational factors. The article describes the methods available for superabrasive wheel truing in production grinding operations, namely, stationary tool, powered, and form truings. It reviews the truing methods, such as truing with abrasive wheels and hard ceramics, for batch production. The article explains practical methods available for dressing CBN wheels, namely, abrasive stick, abrasive-jet, slurry, and high-pressure waterjet dressing. It concludes with information on the conditioning process of the CBN wheel.
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