screwshaft cone

Analysis and practice on reducing grinding allowance of tapered roller bearing;

减少圆锥轴承磨加工留量的分析与实践

Based on the diffraction and geometry optics,the quality equivalence between the beam′s oblique incidence in a circular axicon and beams incidence in vertical angle in an elliptical axicon are analyzed.

由衍射理论和几何光学方法出发,分析了圆轴棱锥的斜入射和椭圆轴棱锥的正入射对产生贝塞耳光束质量影响的等价性。

The characteristics of traditional axicon, kinoform-axicon, elliptical axicon and gradient-axicon were simulated and analyzed respectively.

分别对传统轴棱锥、开诺全息型轴棱锥、椭圆轴棱锥和梯度轴棱锥的特性进行相关的模拟分析。