A high-speed sawing machine for aluminum bar is designed, the application of woodworker-circular-saw blade improves the cutting efficiency and quality, and reduces the waste of material.

设计开发了高速铝棒切断锯床，该锯床采用木工圆锯片作为切断刀具，既提高了锯切效率和质量，又降低了材料的浪费率。

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The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine .

声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。

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