加工方法

A new method is described for determining the microwave dielectric properties of solid materials,for example agricultural products,mineral,of known densities from the dielectric properties of pulverized samples measured by employing the short circuited waveguide principle at a few different bulk densities.

本文介绍一个测定不能进行机械加工的&坚实材料&的微波介电特性的新方法。将这类材料研碎，成为&空气－粒子&混合物。应用短路波导方法，在几个不同的混合物&松密度&上测量其介电特性。

A new method is described for determining the microwave dielectric properties of solid materials,for example agricultural products,mineral,of known densities from the dielectric properties of pulverized samples measured by employing the short circuited waveguide principle at a few different bulk densities.

本文介绍一个测定不能进行机械加工的&坚实材料&的微波介电特性的新方法。将这类材料研碎，成为&空气－粒子&混合物。应用短路波导方法，在几个不同的混合物&松密度&上测量其介电特性。当已知待测材料的&坚实密度&时，利用这些测量的特性与混合物&松密度&的线性函数关系进行&外推&，从而获得&坚实密度&下的农产品的微波介电特

So the design method given in this paper avoids the blindness of the design of the antenna, decreases the waste of the antenna fabricates repeatedly. On the other hand, this method takes advantages of the geometrical theory and the nonlinear optimization, so it can be used in a wide region. This leads us a new road to design conformal array in the complex electromagnetic environment.

因此，应用本论文的设计方法，避免了天线设计的盲目性，减少了重复加工的浪费，同时由于整套设计方法利用了几何绕射理论和非线性规化的数学手段，因而具有广泛的通用性，为复杂电磁环境下共形阵的设计走出了一条新路。

The pattern of the tyre of agricultural vehicles has to fit in with the inclement working situations of the vehicles,which brings some difficulty to the pattern block mold design of the tyre.

文章介绍了农用轮胎的特点和轮胎模具的生产流程，然后结合轮胎花纹块的铸造、抛光、机械加工等工艺要求，阐述了农用轮胎花纹块模具设计方法并导出计算公式，内容包括：径向断面的工艺尺寸设计、轴向与周向的展开与弯曲设计；提出采用Coons曲面构造出模具内腔壁曲面的方法。

As the heat-resistant alloy machining difficult, complex shape parts, or can not be so difficult to use other methods of manufacture, therefore, need to find a new precision of the molding process, they have been handed down from ancient lost wax casting, through the material and Technological improvements, modern methods of Investment Casting Technology in Ancient on the basis of access to important development.

由于耐热合金材料难于机械加工，零件形状复杂，以致不能或难于用其它方法制造，因此，需要寻找一种新的精密的成型工艺，于是借鉴古代流传下来的失蜡精密铸造，经过对材料和工艺的改进，现代熔模精密铸造方法在古代工艺的基础上获得重要的发展。

Cage shaped rotor includes following parts: columnar rotor core made from soft magnetic material, multiple bar conductors made from copper inserted into rotor core along up and down direction, short circuit rings made from copper installed on upper and lower ends of rotor core in order to realize electrical connection among each bar conductor. Preparation method includes steps: in step for preparing short circuit ring assemblies, bar conductors are installed between short circuit rings in upper part and lower part to keep electrical connection between short circuit rings in upper part and lower part; in step for forming columnar rotor core, pressurization molding soft magnetic material is carried out when short circuit rings module is in die so as to form rotor core, where bar conductors are inside and short circuit rings are in upper and lower ends.

一种电动机的笼子状的转子及其制造方法，电动机的笼子状的转子包括转子铁芯，用软质磁性材料制成，呈圆筒状；多个导体棒沿上下方向插在转子铁芯的外圈，用铜制成；短路环为能够与各导体棒实现电连接，分别安装在转子铁芯的上、下端，并用铜制成；其制造方法，即制作短路环组件的阶段，在这个阶段中在用铜制成的上部短路环与下部短路环之间安装铜质的导体棒，从而形成短路环组件，这些导体棒相距一定间隔，与上、下短路环保持电连接；形成圆筒形转子铁芯的阶段，在这个阶段中把短路环组件放在模具内，并用软质磁性材料进行加压成型加工，从而形成导体棒位于其内部、短路环位于其上、下两端的转子铁芯。

Potassium Dihydrogen Phosphate is a non-linear optical material used for laser frequency conversion and electrooptic modulators,it is typically machined by single point diamond turning.

压痕和刻划实验是测量材料弹性、塑性和断裂行为的最简单方法，磷酸二氢钾作为优质的非线性光学材料，常用作光学频率转换器件和电光开关元件，一般采用单点金刚石车削的方法加工此类零件。

A method for making thread with bare feed rod is introduced through practical usage,the range which this method can be applied in is presented.

通过加工实例，介绍了一种用光杆车螺纹和攻套螺纹的方法，并给出了该种方法的适用范围。

In accordance with the principle of the second forming, by study on three-dimensional cutting model principle and calculation method, we have acquired 5 kinds calculation of 10000 m~3 natural gas shell plate, solved the main technical problem of precision cutting technology of long groove of shell plate.

5按照二次成型原理，通过对立体切割胎具切割原理及计算方法的研究，解决了10000m~3大型天然气用5种类型坡口切割胎的计算方法，以及大长坡口精确加工技术中切割胎的主要技术难题。

Looking on form-grinding as a tooth of shaper, noncircular gear grinding method would be deduced by using noncircular gear tooth generated method in the shaping process.

提出了用成形砂轮展成磨削法磨削非圆齿轮的方法，并给出了利用该原理进行数控加工数据计算的方法。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。