Adapter for grinding machine

摘要: Disclosed is an adapter for grinding machine comprising: a shaft sleeve of cylindrical shape whose one end open and having at least through hole formed selected position outer circumference; rotatably movably fitted in the sleeve, including guide groove variable surface curvature with respect to direction corresponding hole, roller being installed rotational force generating unit other shaft; stroke coupled groove, stroking sleeve; sealing means interposed between circumference preventing leakage oil; cover unit, unit.