METHOD FOR GRINDING OPENINGS IN CYLINDRICAL PART Russian patent published in 1999 - IPC

FIELD: machine engineering, namely inner grinding of cylindrical parts. SUBSTANCE: method for grinding openings comprises steps of supplying cooling liquid onto non-worked surface of part and feeding liquid lubricant into opening outside working zone for providing oil bath; continuously positively moving liquid lubricant in parallel with part rotation axis for restoring composition of liquid lubricant fed to grinding zone and removing waste at grinding. EFFECT: enhanced quality of ground surface of openings. 1 dwg, 1 tbl