| 摘要 |
PROBLEM TO BE SOLVED: To finish-polish into a mirror finished surface without breaking surface shape previously formed with high accuracy by grinding or cutting. SOLUTION: This spherical surface and nonspherical surface polishing device comprises a linear polishing material 1 provided with an abrasive; a feeding part 2 provided with a delivery reel 3 for feeding the linear polishing material 1; a winding part 7 provided with a winding reel 8 for winding the linear polishing material 1 delivered from the feeding part 2, at a specified space from the feeding part 2; and a pressure contact means 12 for forcibly bring the linear polishing material 1 traveling between the feeding part 2 and the winding part 7, into pressure contact with a polished surface. |
