| 摘要 |
PURPOSE:To polish the entire different endface of relatively short work uniformly with high accuracy by constituting such that one magnetic pole will have a magnetic pole face facing through a gap against the different end face of work while the other magnetic pole will face as a coupling magnetic pole against a chuck for holding the work. CONSTITUTION:One magnetic pole 3 has the magnetic pole faces 3a, 3b facing through gaps 4, 5, 6 against the different endface of work 1 while the other magnetic pole 7 will face as a coupling magnetic pole against a chuck for holding the work. Consequently, the strength of flux emitting from the magnetic pole face or the flux density is maximized to concentrate the flux firmly against the different endface of work in the gaps 4, 5, 6. Magnetic abrasive grains will entirely cover the endface of work to prevent dispersion upon rotation of work while since the magnetic abrasive grains will repeat adhesion and moving against the surface of work to provide a new edge against the surface of work, the entire different endface of work can be polished uniformly with high accuracy. |
