查询词典 helicoid

The surface obtained when every point on the edge generates an involute is called an involute helicoid.

表面时，得到的每一点的边缘生成一个渐开，称为渐开线。

This paper synthetically analyzes the factors which affect the efficiency of the helicoid thermal separator based on the study and the application.

根据多年来实验研究和推广应用，综合分析了影响旋转式热分离机效率的若干因素，并就脉冲管各主要能量损失与结构参数、运行参数之间的相互关系进行了讨论，提出了改进措施，同时在实验的基础上导出了最佳管长的半经验公式。

To simplified the designing, diagram presentation, construction and profile of helicoidal stair, the formation of helicoid is analyzed, and it′s mathematical model is studied.

为简化旋转楼梯的设计、图示、施工及剖面形状，对螺旋面的形成进行了分析，建立了螺旋面的数学模型。

On the basis of which,a new method of turning involute helicoid worm as turning straight sided axial worm is put forward.

本文推导出了渐开线斜齿圆柱齿轮轴向齿廓的计算公式，并在此基础上提出了用车削阿基米德蜗杆的方法车削渐开线蜗杆的新方法。

The tolerance of dynamic preloaded drag torque is an important parameter in the quality verification of helicoid.

动态预紧转矩是检验丝杠螺旋面质量的重要参数，为了满足ISO3408-3：1992和GB/T17587。

The equations for the helicoid and cross section of a ballscrew are worked out and a numerical integral method for the computation of the moment of inertia of the cross section is proposed.

建立了滚珠丝杠的螺旋面方程及横截面方程，提出一种精确计算滚珠丝杠横截面惯性矩的数值积分法，计算结果表明，传统的简化方法将造成20％以上的计算误差。

As the application of the methods given, involute helicoid, which is widely applied in engineering, is developed into plane. And the problem in plate metalwork, which is t he development of square-circle tie-in, is also solved by the method.

其一是钣金工中方-圆类接头的展开问题，该问题的解决是锥面展开方法的成功应用；其二是螺旋输送器的核心部件——铰龙的展开问题，它是切线曲面展开方法应用的典型实例。

The basic worm helicoid surface of sphericity hob was deduced, and the coordinate systems for cutting face gears were established.

推导了球形滚刀基本蜗杆螺旋面方程，建立了滚切面齿轮的坐标系统。

The shape of thooth is an involute helicoid.

thooth形状是断开线螺旋面。

Furthermore,we verify the good contact state with section diagrams in the virtual reality entity of the involute helicoid double enveloping worm gear pair.

并在进一步完成的"渐开面二次包络环面蜗杆副的虚拟实体"中，以断面图检验了其良好的啮合状态。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。