查询词典 screw

The mechanics model of a ball screw was developed considering the factor of lead angle,and the main curvature of the helical surface was deduced using differential geometry method,and the effect of lead angle on the elastic deformation was analyzed.

考虑螺旋升角的因素，建立了滚珠丝杠副的受力模型，应用微分几何理论推导了螺旋面的主曲率，并进一步分析了螺旋升角对滚珠丝杠副弹性变形的影响。

By changing the value of the blade thickness, cone angle, lead and height of fillet weld, influences of these parameters on the strength and displacement of the screw conveyor are investigated which form the base for optimization of the conveyor structure.

论文还通过调整螺旋输送器的叶片壁厚、半锥角、导程和焊角高等几何结构参数，研究了各参数的变化对螺旋输送器强度和变形的影响，为结构优化设计奠定了基础。

And linking the principle of choosing computer visual inspection system hardware, the paper constructs hardware structure of visual inspection system, and develops measure software of thread geometry parameter and applies all above research results to quantificationally measure geometry parameters such as half angle of thread, coning and pitch of conical joint screw thread of graphite electrode, at last educes influencing expressions of the shelter of lead angle to half angle of thread change, it establishes theory base for error amendment.

论述了微小零件尺寸及形状误差的常用测量方法，提出了将视觉检测技术应用到微小零件尺寸及形状误差的测量中，构建了视觉检测系统的硬件结构，开发了相应的测量软件，应用第三章介绍的各种边缘检测方法对传动用滚子链链板进行了边缘检测对比实验，找出适合的边缘检测方法，并应用上述各章的研究结果对传动用滚子链链板节距以及圆形零件的圆度误差进行了测量。

Including the posterior turn angle of distal tibia , the twist height in the sagittal plane and the height of security zone for the screw in the distal tibia cross-section.

所测数据进行整合分析后根据其特征与厦门大博医疗器械公司联合设计研制胫骨远端后内侧解剖钢板。

The locked plate is a fixed-angle device because angular motion does not occur at the plate screw interface.

锁定板是一种定角装置，因为在骨板和螺钉界面的角度是不能改变的。

Objective: To provide anatomic basis for screw internal fixation of anterior process of calcaneus to treat calcaneal fractures.

目的：为跟骨骨折的手术内固定跟骨前突处的螺钉植入提供解剖学依据。

There is adequate space anteriorly in the ertebral body, aboe and below the segmental essels, for the insertion of one screw, een with staples.

椎体前面有足够的空间，在节段血管的上方和下方，旋入1枚主要的螺钉。

After resection of the tumor, reconstruction of stability of the spine anteriorly and/or posteriorly is necessary,16 as performed with the posteriorly transpedicular screw-rod system in our case.

肿瘤切除术后，如本病例所示，采用后路椎弓根钉棒系统，经前路或/和后路重建脊柱稳定性是极为重要的。

Use a screw driver to adjust the knob of sensitivity anticlockwise several times, then press the reset button.

C。如不闪烁则用一字螺丝刀调整后切指示灯正上方的灵敏度旋钮，每次往方向转几圈，按复位按钮

Archimedes Screw: A spiral propeller with a fixed axle at the centre invented by ancient Greek man Archimedes.

阿基米德螺旋：它是古希腊的阿基米德发明的固定于轴心的螺旋推进器。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。