| 摘要 |
PROBLEM TO BE SOLVED: To provide a processing device and a processing method for a lens molding mold capable of performing rough surface processing to a flange face of a lens molding mold, by a grind stone to even depth, even when a lens molding mold is made of superhard alloy, without using a special device such as a laser device, and a lens molding mold and a lens.SOLUTION: Processing conditions are that, an eccentric amount of a grind stone 52 is 50 μm, rotation number of the grind stone 52 is 6000 rpm, rotation number of a lower mold is 20 rpm, feeding speed of the grind stone 52 is 4 mm/min, and in the processing conditions, a processing device performs polishing processing of a flange face 36, thereby, recess-state grooves or dimples whose shapes are even, and whose depth is 2.5 μm, and whose pitch is 0.2 mm are continuously or intermittently formed on the flange face 36.SELECTED DRAWING: Figure 5 |
