principal axis

1. The methods and steps of confirming the principal axis of inertia by analytic approach were presented, starting from the definition of the principal axis of inertia and through strict derivation.
   由惯量主轴的定义出发，经过严格的推导，得出用分析法确定惯量主轴的方法和步骤。
2. Plane wave solutions of biaxial crystal in principal axis coordinate system
   双轴晶体中平面波解在主轴坐标系下的表达
3. The Study of Dynamic Seal Structure and Seal Force of Principal Axis with Inside Spray Fluid
   内喷流体的动密封主轴结构和密封力研究
4. Achievement of Soft PLC in Controlling Principal Axis of open Numerical Control Machine Tool
   开放式数控机床主轴控制的软PLC实现
5. The Rotational Inertia for an Arbitrary Quadrilateral Rigid Plane and Its Inertia Principal Axis
   四边形刚体平板的转动惯量与惯量主轴
6. The bearing at the bottom plate center is fixed with the principal axis of the duster.
   下盘中间的轴承中以键固定着喷粉机的主轴。
7. The trait of the technics technique and equipment consists in the principal axis of grinding head and the axes of workpiece perpendicular disposal.
   本工艺和设备的突出特点在于磨头主轴与工件轴线呈垂直布置。
8. It aims to realize the laser quenching and cladding for the principle axis and crank of single or more crank while the crankshaft is laid horizontally and rotating around the principal axis.
   为实现在将曲轴水平放置绕主轴转动条件下，对单拐或多拐曲轴的主轴和曲柄轴进行激光淬火和激光熔覆，建立了激光作用于曲拐表面形成螺线时的光斑轨迹方程。
9. Finally, the discussion is carried out about how to improve the stiffness of central principal axis.
   最后，对怎样提高主轴的刚度进行了讨论。
10. Principal axis connected with knob is available in shell, whose upper and lower section is respectively configured with synchronous upper and lower concave wheel and shifting fork.
    在外壳内，设与旋钮相连的主轴，其上下段分别装同步的上、下凹轮和上、下拨叉；
11. Modeling and Simulation of Tilting Principal Axis Five-axis High-speed Milling Machine
    调速电动机额定转速主轴可转位五轴高速铣床的建模与动态仿真
12. Testing System of the Rotating Error of the Principal Axis Based on Virtual Instrument
    基于虚拟仪器的主轴回转误差测试系统
13. The principal axis is installed at the machine shell center of the duster by use of the ball bearing.
    主轴以滚珠轴承安装在喷粉机的机壳中心。
14. Research on Squeeze Film Damping for Dynamic Characteristic in the Principal Axis System of Ultra-high Speed Grinding
    基于挤压油膜阻尼技术的超高速磨削主轴系统动态特性研究
15. The vibrating equations on automobile as a whole, which are no-linear ordinary differential, are obtained in the Inertial Principal Axis System.
    在惯性主轴坐标系下建立了汽车整车的振动方程，它是非线性常微分方程。
16. An algorithm for oblique license plate correction is proposed based on the corner point information and inertial principal axis.
    提出了一种基于字符角点信息和惯性主轴的车牌倾斜角检测方法。
17. The milling driving device is characterized in that the mill principal axis is directly connected with the output shaft of the hydraulic motor by a joining sleeve.
    本实用新型可使整个铣刀主轴组件结构简单、紧凑、具有很强的实用性。
18. H~ ∞ robust control for principal axis speed of variable vector propeller of submersible vehicle
    潜器全方位推进器主轴转速H~∞鲁棒控制
19. The Method of Detecting and Correcting Oblique License Plate Based on the Corner Points Information and Inertial Principal Axis
    采用角点信息和惯性主轴的车牌倾斜检测与校正方法
20. Believable quality Complete serve control system and electric principal axis.
    全套伺服控制系统，主轴电机采用进口产品，品质高；
21. Rotating the image according to the inertial principal axis can normalize it in position.
    通过计算惯性主轴及图像旋转完成了位置归一化处理。
22. Case database is built with ACCESS, and principal axis subassemblycases'3D parameter models are established with PRO/ E.
    用ACCESS实现了实例数据库构建，并在PRO/E中构建了主轴组件实例的三维参数化模型。
23. Test-bed mainly includes drive device, loading device, test tache, damping structure and principal axis.
    试验台主要包括驱动装置、加载装置、测试环节、减振结构和主轴部分。
24. Moreover, a method of analyzing the interference between electrical principal axis and the limbs is introduced.
    主要对干涉约束进行了详细的分析与计算，提出了一种计算电主轴与驱动杆之间干涉的方法。
25. Most of the directions of principal axis of compressive stress are perpendicular to the major fault zone;
    大部份主压应力轴方向与主要断裂带垂直；
26. Moving coordinate system is composed of cutting tool center and hinge joining parts of principal axis of cutting tool.
    刀具中心和刀具主轴固联部件构成联动坐标系。
27. The kinematics matching design of the feed system and the principal axis system is finished and two conclusions are obtained.
    完成了进给系统与主轴系统的运动学匹配设计。
28. This paper finishes the works as follows: 1. Principal axis bearing dynamic model is established.
    具体的研究工作如下：1建立主轴轴承的动力学模型。
29. The influencing factors for principal axis bearing are analyzed.
    2对主轴轴承运动影响因素进行分析。

noun

1. a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
   1. in a normal eye the optic axis is the direction in which objects are seen most distinctly

   Synonym:    optic axis