1·The invention discloses a hot-rolled steel air cooling and stacking method capable of reducing bending of a rail to ensure straightness of the straightened rail to meet standard requirement.
本发明公开了一种可减小钢轨弯曲度的热轧钢轨的空冷堆垛方法,保证矫直后钢轨的平直度达到标准的要求。
1·The 0.618 method and the convex polygon method for minimum condition evaluation of straightness error are introduced, and their high-level language programs are given in this paper.
本文介绍了直线度误差最小评定的0.618法和凸多边形法,并给出了这两种方法的高级语言程序。
2·Experiment results showed that WEDM in gas offers advantages such as better straightness, shoter gap length and higher meterial removed rate.
实验结果表明,气中加工的直线度好、放电间隙窄、加工速度( 材料去除率)高。
3·This paper described a new method for fast detecting the straightness of long guideways using a scanning laser beam.
本文介绍一种长导轨直线度激光扫描快速测量的新方法。
4·Welding techniques shall be selected to ensure that specified tolerances for straightness and out-of-roundness are not exceeded.
选用焊接技巧应保证不超出指定的直线度和圆度允差。
5·Given a coaxial tolerance in the virtual condition, it may further be compensated from the axial straightness tolerance or the perpendicularity tolerance, etc.
如果同轴度公差是在实效状态给定的,它还能从轴线直线度公差和垂直度公差等获得补偿值。
1·The levelness and straightness of the foundation channel steel should accord with the design and specifications.
基础槽钢的水平度、平直度应满足设计和规范要求。
2·Precision stem and packing Chambers. Straightness, roundness and fine finish of stem and packing chamber wall are essential.
精密加工的阀杆和填料腔。阀杆和填料腔壁的平直度、圆度和表面光洁度是最基本的要求。