查询词典 screw thread

Three-dimension (3D) screw thread is a kind of complex body widely applied in science and engineering.

引言 三维螺纹是在科学技术和工程领域应用很广泛的一种较为复杂的形体。

At the same time, the relationship between screwing length and axial stress distribution of bolt screw thread is studied, which offers reference to the design of nut height.

文中还对旋合长度对螺栓轴向应力分布的影响也进行了研究，为螺母高度的设计提供了参考。

On the basis of three kinds of load form during different work stages of casing screw thread joints, a systemic analysis is made and some useful conclutions are obtained.

本文根据套管螺纹接头在不同工作阶段的三种载荷形式，对此进行了系统的分析研究，得出了一些有益的结论。

The structural feature of the cap,the forming technology and the mechanism of side core-pulling and internal screw thread were analyzed.

介绍了一种结构新颖的旅行杯瓶盖的结构特点、成型工艺及瓶盖注射模的侧抽芯和内螺纹结构，最后叙述了瓶盖注射模设计的要点及模具的工作过程。

At present, There may existent problems in traditional method of checking and measuring screw thread ring gauge. Based on measured theory, dependability of this way of measurement is analyzed in this paper.

针对我国目前在螺纹环规测量方法中存在的问题，根据其测量原理入行了可靠性分析。

The influence of lacking strength of materials and screw thread are treated in this paper, as well as corrosion questions on complicated project situation.

本文从材料、环境和磨损三个方面对石油气井套管钻柱失效原因进行了分析。

Name three diameters connected with screw thread dimensions.

与螺纹直径有关的三个直径名称。

A small square or hexagonal metal block with internal screw thread to be fitted onto a bolt.

内侧有螺纹儿、可以被固定到螺栓上的方形或六边形金属块。

In addition, by comparison of the SIF results of M22$\times$1.5 screw thread in this paper with experimental results, the effectiveness of the SIF results are shown.

为验证 本文计算结果的有效性，还将本文M22 ×1.5螺杆的应力强度因子计算结果与试验结果进行了对比。

Methods Implants with different screw thread angles and shapes were divided into three groups.

方法采用三维有限元法，分别对种植体施加30牛顿垂直和斜向45°两种方向的集中载荷，对不同螺纹顶角螺纹形状分别为对称、上平下斜、上斜下平的种植体-骨界面进行应力分析。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。