Abstract
A new model of the metal removal in internal grinding permits calculation of the margin actually removed, the internal radius, the time for complete removal of the margin, and other parameters. In the model, the metal removal is determined with specified machining parameters; elastic deformation and the cutting kinematics are taken into account. The calculation is based on the model of the cutting force in internal grinding, which covers most of the factors affecting the cutting force (such as changes in the programmed and actual radial supply, the mechanical properties of the workpiece, the geometry of the wheel–workpiece contact zone, the wheel characteristics, and the blunting of the abrasive grains). Types of wheel–workpiece contact with inclination of the wheel axis on account of elastic deformation of the system are noted.
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