锥齿轮

For the assurance of quality of assembling the final drive of track, the distance between the axis of bevel pinion and the back plane surface of ring gear must be accurate.

为了保证汽车后驱动桥减速器总成和差速器总成合件的装配质量，必须使从动锥齿轮齿背到主动锥齿轮轴线的距离符合精度要求。

The formation of tooth face is analyzed based on the theory of original curve and area as well as the logarithmic spiral polar coordinates equation.

提出了一种新型锥齿轮-对数螺旋线齿锥齿轮传动形式，并以基曲线和基曲面滚动原理为基础，结合对数螺旋线极坐标方程，分析了对数螺旋线以及对数螺旋线齿锥齿轮齿面的形成过程，建立其了齿面方程。

The correctness lays a theoretical foundation on further study of the processing technology of logarithmic spiral bevel gear, and thus, the new-style bevel gear can be machined conveniently and quickly.

证明了对数螺旋锥齿轮啮合原理的正确性，为进一步研究对数螺旋锥齿轮的加工工艺提供了理论基础，进而可以实现这种新型锥齿轮的方便快捷的加工。

Based on the meshing theory of logarithmic spiral bevel gear, the location and the movement relationship between the tool and the machining gear in the processing technology of logarithmic spiral bevel gear are studied by establishing the mathematical model of multi-axis NC machines.

目的 针对提出的一种新型锥齿轮-对数螺旋锥齿轮，研究其加工工艺过程中刀具与加工齿轮间的位置与运动关系，以便最终实现这种新型锥齿轮的加工。

The theories of third order contact analysis have been successfully applied in theoretical research and practice in the manufacture of circular-arc bevel gears with good effect.

三阶接触分析理论在弧齿锥齿轮的理论研究和加工实践中都取得了很好的效果，而这种理论与锥齿轮的齿制是无关的，本文的研究工作就是围绕如何将三阶接触分析理论应用到延伸外摆线锥齿轮的加工中这一核心问题展开的。

Because on the turnplate axis power is by the turnplate under after the bevel gear commutation, decelerates transmits, moreover their velocity ratio is 6, also because the bevel gear velocity ratio is not bigger than 3 generally, therefore has designed two axes, by realizes the bevel gear two commutation, decelerates.

因为转台上的轴动力是由转台下经锥齿轮换向、减速传来的，而且它们的传动比为6，又因为锥齿轮的传动比一般不大于3，所以多设计了两根轴，以实现锥齿轮的两次换向、减速。

In this dissertation, first, based on theory of cutting tooth about the gleason spiral bevel gear, the equation of meshing in the process of cutting tooth, the surface equation of generating gear as well as the general tooth surface equation of the double circular arc spiral bevel gear, using GB12759-1991 type of double circular arc gear as a basic gear profile, a three-dimension solid model of double circular arc spiral bevel gear which has the good adaptability was carried out by used of Unigraphics software;Second, by researching of the algorithm about contact and collision as well as various contact types based upon Contacting Finite Element Method, a foundation was laid for selecting the contact type in analyzing contact stress of double circular arc spiral bevel gearing;Finally, through the connection port of PARASOLID between UG software and ANSYS/LS-DYNA software, the three-dimension solid model of double circular arc spiral bevel gearing obtained above in UG was imported into ANSYS/LS-DYNA, a finite element analyzing about contact stress of double circular arc spiral bevel gearing was carried out by applying new loading method.

本文首先基于格利森弧齿锥齿轮加工原理及切齿啮合过程中的啮合方程、产形轮齿面方程以及双圆弧弧齿锥齿轮的齿面方程，选用GB12759-1991型双圆弧齿轮基本齿廓为基准齿形，利用Unigraphics软件的建模功能，绘制了有较好适应性的双圆弧弧齿锥齿轮传动三维实体模型。其次，描述了应用有限单元法进行实体接触与碰撞问题算法的公式，研究了有限元分析中的各种接触类型以及双圆弧弧齿锥齿轮接触应力分析中所选择接触类型的依据。最后，通过UG软件和ANSYS/LS-DYNA之间的PARASOLID接口工具包，将UG软件中得到的啮合齿轮模型导入ANSYS/LS-DYNA有限元分析软件，给出一种新的加载方法，进行了双圆弧弧齿锥齿轮传动的接触应力的有限元分析。

Based on the 3D solid model, the changing trend of spiral angle and pressure angle of pitch cone, the thickness-changing trend of face and pitch cone can be analyzed. In addition, the method of cutting tooth on general NC machining center and the measurement of tooth flank geometry on 3D CMM are conducted.

根据锥齿轮切齿仿真所获得的三维几何模型，本文还研究了在通用四轴联动加工中心上加工锥齿轮齿形的方法和在通用三坐标测量机上进行锥齿轮齿面几何形状误差测量及数据处理方法。

My company has the high-precision large and medium-sized CNC milling spiral bevel gear tooth 4-axis CNC machine tools used not only servo-driven, SIEMENS 802D control system to roll all of milling spiral bevel gear, zero Bevel Gear and quasi-double Surface gear, and to the world's most advanced coordinates Coaxial design, successfully applied in the processing of new products in diameter.

我公司拥有的高精度大、中型数控弧齿锥齿轮铣齿机床不仅采用数控四轴伺服驱动、SIEMENS 802D控制系统，以滚切法铣削弧齿锥齿轮、零度齿锥齿轮及准双曲面齿轮，且把当今世界最先进的坐标轴式设计，成功应用于大加工直径的新产品之中。

The tuning hand wheel is connected to spindle of drive bevel gear. The tuner joint is inside case. The worm wheel is fixed on stepped shaft fixed by nut. The worm engage to the worm wheel is fixed inside case. The upper end of worm is connected to the driven bevel gear. The spindle of drive bevel gear across the hole on the upper cover is connected to the hand wheel.

其特征在于：壳体上有一槽体，调音手轮与主动锥齿轮的轴相连接，调音器接头安装在壳体相应调孔内，蜗轮固定在调音器接头后端的阶梯轴上，用螺母固定，与蜗轮相啮合的蜗杆固定在壳体相应的孔内，用空心螺栓将其固定，蜗杆上端与从动锥齿轮连接，从动锥齿轮与壳体之间有垫片，主动锥齿轮的轴穿过壳体上盖的孔内，并且与手轮连接，用固定螺栓固定上盖。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了