齿

To make the transition curve in the process of gear modeling be more reasonable, the parameterized 3D model of involute cylindrical spur gears with whole profile was made with Pro/Engineer software, based on the study of equations of the dual-arc rack cutter＇ s profile curves and the cut gear＇ s tooth profile curves.

为了使齿轮建模时过渡曲线部分更符合工程实际，在对双圆弧齿条型刀具轮廓曲线方程和齿轮的廊线方程研究的基础上，利用Pro/Engineer软件建立了可变位的渐开线完整齿廊直齿圆柱齿轮的三维参数化模型，并对齿廊曲线连续性进行了分析。

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。

Synchrobelt transmission is kind of switching transmission of belf tooth and wheel gullet, which possesses the merit of gear, chain and belt wheel transmission.

同步带传动是其带齿与轮齿槽的齿齿啮合传动，具有齿轮传动，链传动和带传动的优点。

In the test, we use CCD camera to obtain the videos of the well-cutting picks and the worn-cutting picks, then use Matlab to read image and process it, and then use the method of statistics to calculate the average area of the two cutting picks, at last can get the wear rate of cutting picks.

用CCD摄像机获得完好截齿和磨损截齿的视频段，然后用Matlab读取图像并对其处理，利用统计学的方法，快速计算出两个截齿的平均面积，从而得到截齿的磨损率。

The central inner gear theory equation and tooth profile work equation with two-teeth difference cam profile rolling movable teeth were deduced, and in the consideration of central gear influenced by several parameters, the central gear tooth profile modification mode was analyzed and synthesized roundly.

推导二齿差凸轮激波滚动活齿传动的中心内齿轮理论方程及工作齿形方程，在给出考虑各参数影响的中心轮修形通用方程的基础上，较为全面地对中心轮齿廓的几种修形方式进行分析和综合。

Based on the theory of the space-crossed-axeis internal gearing, the theoretical study on the internal gear honing method is carried out, and the equation of the internal honing wheel tooth flank is derived.

本文应用空间交错轴内啮合理论对内啮合珩齿方法进行了理论研究，推导渐开面包络内齿珩轮的齿面方程，采用微机模拟齿面接触分析。

The slewing bearing can be divided into four-point conatct ball slewing ring, double-row angular thrust ball slewing bearing, crossed cylindrical roller slewing bearing, crossed tapered roller slewing bearing and three-row cylindrical combined roller slewing bearing according to their different structural styles.

转盘轴承根据不同的结构型式可以分为四点接触球转盘轴承、双排角接触推力球转盘轴承、交叉圆柱滚子轴承、交叉圆锥滚子轴承和三排圆柱滚子组合转盘轴承等不同的结构型式；上述各类轴承按其是否带齿及齿轮的分布部位又分为无齿式、外齿式或内齿式等不同结构。

The slewing bearing can be divided into four-point conatct ball slewing ring, double-row angular thrust ball slewing bearing, crossed cylindrical roller slewing bearing, crossed tapered roller slewing bearing and three-row cylindrical combined roller slewing bearing according to their different structural

转盘轴承根据不同的结构型式可以分为四点接触球转盘轴承、双排角接触推力球转盘轴承、交叉圆柱滚子轴承、交叉圆锥滚子轴承和三排圆柱滚子组合转盘轴承等不同的结构型式；上述各类轴承按其是否带齿及齿轮的分布部位又分为无齿式、外齿式或内齿式等不同结构。

On the contrary, the teeth profile of elliptical gear should be generated when spur gear is replaced by pinion cutter and the elliptical gear is replaced by elliptical blank.

按反求设计的观点，将椭圆齿轮换成椭圆齿坯，将直齿圆柱齿轮换成插齿刀，则可以对椭圆齿轮进行插齿加工。

The perfect CAD/CAM technology scheme for oblique tooth slotting cutter based on 3D feature modeling by SolidWorks and NC wire cutting is given,associated with ingenious application of double sine bar fixture,so the simplification of design and automation of manufacture for oblique tooth slotting cutter are realized,and the rapid response is potently guaranteed.

给出了完善的基于SolidWorks三维特征造型和数控线切割加工的斜齿梳齿刀CAD/CAM技术方案，辅以双正弦规夹具的巧妙应用，使设计简约化，制造自动化，为斜齿梳齿刀设计制造的快速响应提供了有效保证。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐