... machine for grinding shaft neck cylindrical surface.Grinding, workpiece rotate speed. A, overviewShaft neck grinding machine for grinding shaft ... neck cylindrical surface.Grinding, workpiece rotate speed, ground belt for axial swung repeatedly, so as ... 0~0.5 Mpa (adjustable)11, spindle speed: 1500rpm (variable frequency speed regulation)12, axial moving length: 1 # grinding ...