| 摘要 |
PROBLEM TO BE SOLVED: To achieve a working method for an end face of a plate-like member, polishing the end face without generating an excessive stress on the plate-like member made of a brittle material as a workpiece. SOLUTION: Filaments 11 on a polishing brush 10 are implanted, uniformly inclined in a direction opposite to a direction of rotation of the polishing brush 10. A glass panel 20 is conveyed in an X-direction by a conveyance mechanism, and the polishing brush 10 rotatively driven substantially in parallel to the end face 20a brings its filaments 11 into sliding contact with the end face 20a. The end face 20a is thereby polished to remove a crack introduced therein into a state not affecting the strength of the glass panel. The filaments 11 have low rigidity and are obliquely implanted, thereby softening their touch on the glass panel 20 and eliminating the risk of applying an excessive stress to the glass panel 20. COPYRIGHT: (C)2010,JPO&INPIT
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