螺旋运动

Transmission movement and energy belt transmission, friction wheel drive, key transmission, harmonic drive, gear drive, rope driving and screw drive and so on mechanical seal drive, as well as drive shaft, shaft coupling, coupling and brake and so on corresponding shafting zero.

传递运动和能量的带传动、摩擦轮传动、键传动、谐波传动、齿轮传动、绳传动和螺旋传动等机械传动，以及传动轴、联轴器、离合器和制动器等相应的轴系零件。

By analyzing the structure singularity and configuration singularity with the screw theory and the line geometry method, the fundamental conditions of generating the motion singularity are obtained.

本文采用螺旋理论和线几何方法对结构奇异以及配置奇异进行分析，从而得到运动奇异位形产生所满足的条件，并给出3-PRPS并联机器人奇异位形图解说明了该方法的可行性。

The separate velocity decides the shape and size during the sphere phase. Linear relative motion differential equation can be used to reduce the debris density model. Rope and spiral is distinguished from geometry, orbital maneuver theory is used to analysis the existence of pinch point and pinch line.

在球形阶段起主要作用的是分离速度；椭球形阶段可以利用线性化相对运动方程进行分析；绳形与螺旋线形在几何上有质变，但都有结点和结线，并可以利用速度增量理论分析和解释其存在的原因。

According to the principles of tooth meshing and manufacturing helicoi ds, a mathematics model is constructed to reflect the manufacture process of nut , and the formula of the grinding wheel section is developed. The parameters of the section are obtained through numeral arithmetic; moreover the parameters of the dresser are worked out. Based on these work, the solid model of the ball scr ew nut, grinding wheel and tooth dresser are developed in the Pro/E software, wh at's more, the process of the dressing...

根据螺旋面加工原理、齿形啮合原理及回转面砂轮加工螺母工艺建立了相应的数学模型，并推导出砂轮截形的计算公式；采用数值计算方法求解砂轮截形参数，进一步得到修整器靠模板的参数；在此基础上，利用Pro/E软件对大导程滚珠丝杠螺母、砂轮和砂轮修整器进行了实体建模，并对砂轮的修整过程和螺母的加工过程进行了运动仿真，有效地验证了砂轮截形的计算结果。

Further, the relationship between two sets of parameters, corresponding to the tool geometrical and grinding, is developed. The preliminary practice shows that the theory is valid.

通过初步刃磨实践表明本篇所研究的理论工作是正确的，并使加工螺旋刃球头模具铣刀的坐标运动得到了简化。

The vertical tail size is not set to avoid spiral instability because this mode is not critical.

垂尾的大小不是根据避免螺旋不稳定来确定的。因为这种运动模态不是设计状态。

A motion model was built for the spiral-grooved endoscopic micro-robot working inside the lumen of human body.

针对人体内腔粘液为非牛顿流体的特点，推导了非牛顿流体的变形雷诺方程，建立了螺旋内窥镜机器人在人体内腔中运动的数学模型。

In some species, the leading edge vortex spirals out towards the tip of the wing, while in others there appears to be no spanwise movement of the vortex.

在一些物种，前缘涡的螺旋出对小机翼，而在其他国家似乎没有展运动的旋涡。

The front has actual coil springs that move up and down utilizing the movement of the entire A-frame system, lower and upper cradle arms.

前面有实际的螺旋弹簧上下地利用整个的 A型机架系统的运动移动，较低的和上话器架武装。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失