Single-point diamond machining of glasses

K. Puttick, M. Rudman, K. J. Smith, A. Franks, K. Lindsey
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引用次数: 147

Abstract

A machine tool of very high stiffness has been constructed and used for single-point diamond grooving of blanks of soda-lime glass and optical glassy quartz. Results show that below a critical depth of cut predicted in order of magnitude by a fracture mechanics analysis, material is removed by the action of plastic flow, leaving crack-free surfaces. Subsequent observations by scanning electron microscopy indicate that a crucial part in the detachment of ribbons of swarf is played by the operation of residual stresses after the passage of the tool, particularly in the case of the amorphous ceramic.
单点金刚石玻璃加工
研制了一种高刚度机床,用于碱石灰玻璃和光学玻璃石英毛坯的单点金刚石开槽。结果表明,在断裂力学分析预测的一个数量级的临界切割深度以下,材料在塑性流动的作用下被移除,留下无裂纹表面。随后的扫描电镜观察表明,刀具通过后残余应力的作用,特别是在非晶陶瓷的情况下,在切屑带的剥离中起着至关重要的作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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