| 摘要 |
PROBLEM TO BE SOLVED: To provide a polishing tool capable of forming a surface of a workpiece with high quality in a short time. SOLUTION: The polishing tool 10 includes: a rotation shaft 1 arranged in parallel with a feeding direction S along the surface Wa of the workpiece W; and at least two polishing bodies 7, 8. The polishing body 7 is formed of a foamed resin such as a foamed polyurethane resin having the higher porosity of an outer peripheral surface 7a than those of the polishing bodies 8, 9. Furthermore, the polishing body 8 is formed of a non-foamed resin such as a non-foamed polyurethane resin, i.e., a material having higher rigidity than that of the polishing body 7. At polishing machining, the surface Wa of the workpiece W is polished and removed by the polishing body 7, and thereby waviness formed on the surface Wa is smoothed by the polishing body 8. COPYRIGHT: (C)2011,JPO&INPIT |
