精密工学会誌
Online ISSN : 1882-675X
Print ISSN : 0912-0289
ISSN-L : 0912-0289
プラスチックレンズの高精度切削に関する実験検討
形状誤差発生要因の分析と高精度チャッキング法
小泉 幸久前田 幸男王 英夫桝田 正美岩谷 重春
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1999 年 65 巻 12 号 p. 1809-1813

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For aspheric plastic lenses, very smooth surface roughness and high profile accuracy are required. However when a plastic lens is machined from plastics by cutting directly, there is a serious problem in that profile accuracy deteriorates by chucking even if the lens is machined precisely on a machine tool. Consequently, a new chucking technique which decreases the deformation has been developed by analyzing the cause. It has been also clarified that the chucking deformation before machining is different from that after machining. By using this technique, an aspheric plastic lens can be machined with high profile accuracy of less than 1μm.

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