CDみたいにテカテカした板見たことありませんか?
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アクリル板は孔空けする時普通のドリル錐だと割れやすいからステップドリルがいいよスパイラルじゃ無い方 CDは (ポリカーボネィト製)だった ポリカーボネィトの欠点( あんまり薬品耐久力が良くないアルカリ剤溶剤では劣化する接着剤が使えない 引張強度を越えると透明度が劣化 白くなる 高温多湿で加水分解する)んだって まだアクリル板の方がポリカより工作しやすいんじゃないかな? 自転車置き場の屋根などにポリカが使われるのは
可視光を透しつつ紫外線に強いからじゃなかったか
強度があるだけに手作業では硬くてやってられない
>>1の言うテカテカはアルミ蒸着面、樹脂の色ではない いらなくなったCDって何か使い道ないかな
カラスよけ以外で ディスクグラインダーに はめ込んで何かに使えないかな?やっぱり豆腐の切断位かな?(^O^) 良く考えたら ジィスクグラインダーに取り付けると かなり危ないと察知 \(+×+)/ シーディの円盤板が割れて 破片が周りに飛び散るから 実験しない方が無難だな ..........................................................................................................................................................................................................................................................
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........................................................................................................................................................................................................................................................... いらないCD砕いて破片でドラゴンの模型とか作ってた人がいたはず、螺鈿みたいで離れてみると十分綺麗 ..........................................................................................................................................................................................................................................................
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