constant deviation fringes

One kind of constant deviation prism is analyzed in this paper.

恒偏向棱镜是指能恒定改变光束传输方向的转向元件。

For the reverse streak in sheet parts machining by HS-WEDM, the expected results are reached by improving the structures of wire frame of the machine in two respects, after the comparison with the structure in LS-WEDM and experiments.

针对高速走丝电火花线切割机加工薄件时的倒向条纹问题 ,对比分析了低速走丝线切割机线架结构 ,经过反复实验 ,对线架结构进行了改进 ,取得了预期的效果。