Grindstone cooled by coolant has coolant supplied to contact surface through recess in grindstone into which coolant is sprayed from outside

摘要

The grindstone has coolant supplied to the contact surface between the grindstone and the workpiece being ground through a recess (4) in the grindstone, into which the coolant is sprayed from outside, and passages from an aperture (5) in the recess and another aperture (7) in the grinding surface (3).