アブレーションと加熱加工による熱可塑性レジンボンド砥石のレーザトリートメントに関する研究 : —マルチモード光ファイバによるパルスレーザ光の直接照射—

概要

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Although flash-lamp pumped pulsed laser has the good performances of high energy and high peak power, the pulse repetitions are considerably low. Therefore, it is only applied to a limited extent. In this report, the light energy by using a semiconductor pumped pulse laser with ability of the high repetitions was transmitted to the wheel using an optical multi mode fiber with the large core diameter (200 μm) and irradiated to the surface on the thermoplastic resin bonded diamond wheel. As a result, we succeeded in restoring the retentivity of thermoplastic resin for grains by effect of laser-thermal and laser-ablation processing, and confirmed a finding of the columnar structure with potential, which might be created the new polishing tools, in the wheel surface.