Abstract
The influence of the increase of wheel speed on the grinding results has been studied experi-mentally. In this cylindrical grinding tests, the wheel speed was increased up to 3500m/min from 1300m/min. The following results are obtained : 1. As the wheel speed is increased, the ground volume per unit time increases and so the practical reduction of work radius versus the theoretical reduction of work radius increases.2. The relation between the grinding force (P) and the wheel speed (V) is Poc (1/V) 0.791.47. And as the grain size of wheel is smaller, the value of the index of this formula is larger.3. The other result of higher wheel speed is the improvement of the surface finishing of the workpiece by decreasing the thickness of chip.4. The influence of the higher wheel speed is smaller to the heat resisting steel as like the high vanadium high speed steel than to the carbon steel.5. At the high speed grinding, an inclined metal sheet must be fixed against the wheel in order to deflect the air-flow on the rotating grinding wheel which prevents the coolants from penetrating into the grinding zone.
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