Patent ID: 7144303
Filing Date: 2006-12-05
Classification: B24C,F01D,Y02T

Abstract:
1. A method of polishing a large part, wherein a granular abrasive of 0.1 mm or more and 10.0 mm or less comprising abrasive grains serving as abrasive materials adhered to the surrounding of a projection material or dispersed in the projection material is sprayed on a surface to be polished at a speed of 600 m or more and 3,800 m or less per minute by a unit area volume of 5 to 300 cm 3 /cm 2 ·sec, the abrasive comes into collision with the surface to be polished and slide, and the abrasive grains adhered to or dispersed in the abrasive polish the surface to be polished.