Based on the generatrix equation of the worm of various gear hobs, the mathematical model for the corresponding spiral surface and the equation of normal vector was established. 3.

1、

Takes the screw type compressor rotor as an example, a calculating method of unknown section profile of spiral surface and its conjugate shape is introduced and practical formulas are given.

以螺杆压缩机转子为例，介绍了未知螺旋面端截面轮廓及其啮合的共轭齿形求法，给出了实用计算公式。

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2、

By taking 135 three-screw pump as an example, the geometric parameter design, the forming of spiral surface and the characteristic of screw gearing are investigated.

以135型三螺杆泵为例，对螺杆几何参数设计、螺旋型面的形成、螺杆啮合特性进行了探讨。

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3、

Because of its spiral surface which causes asymmetry, the deformation state of spring seat in the stamping process is much more complicated than that of general symmetry part.

弹簧座由于其螺旋面带来的非对称性，使其冲压成形过程中的受力变形状态要比一般的对称件复杂得多。

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4、

This paper proves that the geodesic on the positive spiral surface is a cylindrical spiral, which can be calculated with the parameters on the positive spiral surface.

本文研究证明，正螺面上的短程线就是一根圆柱螺线，可根据正螺面的参数准确计算出其数值。

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5、

The kinetic characteristics of a capsule-like robot ( CLR) with a spiral surface driven by a rotating magnetic field are studied.

研究表面螺旋胶囊机器人在外部旋转磁场作用下在黏液中的运动特性。

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6、

Goods upgrading or downgrading along the spiral surface, avoid too large inclined angle which may cause goods overturningbeing destroyed.

货物按照螺旋输送面升降，避免角度过大，造成货物倾倒和破损。

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7、

The globoidal indexing cam has a spiral surface profile which can not be measured by the traditional equipment.

针对弧面分度凸轮轮廓面为一空间螺旋带、无法用常规仪器测量的问题，采用三坐标测量机实现了对凸轮轮廓面的数据采集；

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8、

Approximate spread of oblique spiral surface

斜螺旋面的近似展开

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9、

Gradual spreading line spiral surface and cylindric helical gear

渐开线螺旋面与圆柱斜齿轮

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10、

General Geometrical Models of Involute Spiral Surface Parts

有关渐开螺旋面工件制造模型的研究

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11、

Expansion or Spiral Surface and Its Computer Graphics

正螺旋面的展开及其计算机绘图

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12、

The Study of Spiral Surface Belt Polishing Process Method and Special CNC Polishing Machine

螺旋曲面砂带抛光工艺方法及专用数控抛光机研究

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13、

Nonlinear control systems on standard spiral surface

建立在正螺面上的非线性控制系统

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14、

The forming and spreading methods of the spiral surface are introduced.

介绍了螺旋面的形成和展开方法。

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15、

Study on data approximate approach of spiral surface profile

螺旋曲面廓型的数值拟合方法研究

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16、

Precision Measurement on an Arbitrary Sectional Shape of Spiral Surface

精密测量螺旋面任意截形的一种方法

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17、

It also introduces the design of microcomputer proportioning system by Visual C++.

并介绍了用Visual c++进行微机配料系统软件的设计。

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18、

The basic ingredients of this cake are flour, egg, sugar and chocolate.

这种蛋糕的基本配料是面粉、鸡蛋、糖和巧克力。

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19、

Now would you please count twenty dollars and go to the supermarket for some ingredients?

现在请您数出二十美元,到超市买些配料好吗?

中考真题- 2019 徐州阅读B

20、

Software in Windows for Staple Compounding System of Microcomputer Nuclear Mass Scale

WINDOWS下的微机核子秤配料系统软件

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