蜗轮

The main tops of research and creative points of the dissertation are as follows: The gear surface equations are deduced strictly from the space meshing analysis of planar enveloping hourglass meshing surface.

主要研究工作及创新点如下：论文在对平面包络啮合成型运动进行空间啮合分析的基础上，进行了平面包络环面蜗轮副啮合齿面方程的严格推导，进行工具母面坐标系的统一化处理，并利用计算机技术，对平面包络环面蜗轮副啮合型面进行整体理论实体造型，建立了啮合型面的网格化整体理论模型。

A set of formula of conical surface double enveloping worm gearing had been derived and its figures,posi- tion and distribution had been depicted by graphs.

推导了锥面二次包络圆柱蜗杆传动过程中的啮合方程和主要啮合性能指标方程，以图表表示出在不同参数下其接触线、啮合界限线、根切界限线的分布图，对此种蜗杆副在砂轮的不同半径下的啮合特性进行了比较，为这类蜗杆传动中蜗轮滚刀的设计制造提供了理论基础。

The features to evaluate the tooth contact quality such as the location of the contact point on the tooth surface, clearance between the meshing tooth surfaces, curve of the transmission error and the path of the contact point are investigated. The accurate geometric representation with non-uniform rational B spline of the worm and the wheel tooth surface is presented then the corresponding program is developed.

根据平面包络环面蜗杆传动的创成方法，建立了包含加工误差的蜗杆和蜗轮的齿面方程，分析了平面包络环面蜗杆传动和平面二次包络环面蜗杆传动的刚性啮合特性如误差对接触点的位置、齿面间隙、传动误差曲线和接触点在齿面上的轨迹的影响。

Taizhou Qionghua Gearing Machines General Factory, one of the closest branches of Hongtai group, has many famous products, for Qionghua brand cyclical pin-wheel decelerator, cycloidal pin-wheel electric roller, cylindrical gearing decelerator, Rigidly face decelerator and worm wheel decelerator, etc.

泰州市琼花传动机械总厂系集团股份成员企业，主产品有"琼花"牌摆线针轮减速机、摆线电动滚筒、圆柱齿轮减速机、硬齿面减速机、平面二次包络减速机，行星齿轮减速机，风力发电增速机，蜗轮蜗杆减速机等系列优质产品。

Its mating gear is called a worm gear, which is not a true helical gear.

与其相配的齿轮叫做蜗轮，蜗轮不是真正的斜齿轮。

The article describes the advantages and disadvantages of worm gear drive s and the domestic and abroad research.

介绍蜗轮传动优缺点和国内外蜗轮研究现状。

The results showed that the drive efficiency of the worm helical gear can be improved a lot, which nearly reach to the level of the worm and wheel drive, presently, this show us a beautiful prospect of the engineering application of the worm helical gear drive.

结果表明，通过斜齿轮的齿廓修形，可以使蜗杆斜齿轮的传动的效率得到提高，接近甚至达到蜗杆蜗轮传动的传动效率，从而为蜗杆斜齿轮传动的工程应用打下了良好的基础。

Straight gear and hand chain of brake, eliminate worm gear cranes; straight gear and brake casting ladle will replace the worm and bevel gear casting ladle.

直齿轮加制动器的手拉葫芦，淘汰了蜗轮起重机；直齿轮加制动器的浇包，会取代蜗轮加伞齿轮的浇包。

Therefore, many researches have been taken on the theory and manufacture of worm transmission, including the research on new tooth profile, new drive type, tooth cutting and measuring, lubrication, material and heat treatment, design, calculation, simulation analysis and optimization.

蜗杆传动在理论和加工方面都有较广泛深入的研究，如：新的啮合齿形和新的传动类型的研究；以蜗杆副的加工制造和测量为主要内容的生产实践研究；对蜗轮蜗杆油品和蜗杆副材料的研究；以计算机应用为特点的设计计算、仿真分析、优化等研究。

They are divided into two main classes: one class with handwheels but no gearing, and the other class with cranking actuators and worm gearing or worm and spur gearing combined.

这些地轴架分为两大类：一类配置手轮，没有齿轮执行机构；另一类配置转动曲轴执行机构和蜗轮或蜗轮和凸轮组合执行机构。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。