面坐标

A+bx+cy , X=0, Y=0 It satisfies the compatibility equation 4 φ=0 find the stress components by σx=2φ/y2=0 σy= 2φ/x2=0 τxy=-2φ/xy=0 find the surface force components bys=X=0s =Y=0 σστ a linear stress function corresponds to the case of no surface forces and no stress .

a+bx+cy ， X=0 Y=0 满足相容方程 4 φ=0 由下式求出应力分量σx=2φ/y2=0 σy= 2φ/x2=0 τxy=-2φ/xy=0 由下式对给定坐标的物体求出面力分量s=X=0s =Y=0 σστ确定所设定的φ能解决的问题为：任意物体无确定所设定的能解决的问题为：体力，无面力，无应力。

The algorithm of circular interpolation for machining space curved face on the three-coordinate NC milling machine by ball-end milling is described.

论述了在三坐标数控铣床上采用球头铣刀铣削空间复杂形面时圆弧插值的计算方法。

A method of using CMM to measure roller gear cam is researched, and the roller gear cam are measured after learning the method.

利用辽宁工学院汽车学院现有的三坐标测量机设备，对弧面分度凸轮进行了实体测量。

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。

Reformed light MQ6025A universal tool grinder can realize 2-coordinate linkage machining of special type surface of revolution cutting tool.

通过简单改造的MQ6025A轻型万能工具磨床，可实现两坐标联动加工特种回转面刀具。

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