加工方法

Current laser engraving adopt holophote optical circuit or liberation mirror which have some defects such as engraving small, optical circuit complex, adjust difficult or light spot size asymmetry.

目前的激光雕刻机均使用振镜扫描式和全反射镜式进行工件加工，这种方法存在着雕刻绘图的范围小、光路系统复杂、调节困难、光斑尺寸不均匀等不足。

Current laser engraving adopt holophote optical circuit or libration mirror which have some defects such as engraving small, photic circuit complex, adjust difficult or facula size asymmetry.

目前的激光雕刻机均使用振镜扫描式和全反射镜式进行工件加工，这种方法存在着雕刻绘图的范围小、光路系统复杂、调节困难、光斑尺寸不均匀等不足。

Therefore, it is very important for improving our country gear product quality and competitive power in international marketplace that study the method of spiral bevel and hypoid gears measurement.

因此，研究螺旋锥齿轮的测量方法，开发具有自主知识产权的螺旋锥齿轮加工精度控制系统，对提高我国齿轮制造企业的产品质量、增强我国齿轮产品的国际竞争力都具有十分重要的意义。

Cold Isostatic Pressing process is one of the important methods of making parts in the process technology of modern powder products.

冷等静压成形工艺是现代粉末加工技术中制造结构零部件的重要方法之一。

We presented a method to generate periodic nanometer patterns of contrasting surface properties, without any lithographic process.

我们采用了一种新的方法来制备周期性表面花样，它不需要模板和微加工技术。

The article introduces a new type of project to design front axle lockpin hole machining tool.

文章介绍了一种新型的前桥锁销孔加工的工艺方法。

Finally, a practical method of evaluating the machinability of 3D model in early design stage is introduced.

结合课题实践，介绍一种利用高端CAD软件的信息环境开展设计模型加工性能检查的方法。

This process can effectively eliminate chilling, improve mechanical properties and machinability, as well as realize effective filtering.

这种方法能有效地消除白口，改善力学性能和铸铁的加工性能，同时又能提供有效的过滤。

To advance a constraint-based machinable region method for the NC tool path generation of compound surfaces.

提出了基于约束的加工可行域的组合曲面的NC刀具轨迹生成方法。

The paper focuses on the technique of machinable features recognition of sheet metal parts in CNC bending process.

可将三维CAD模型映射表示为由特征节点构成的网络图，这一方法可以对钣金零件的折弯加工工序模拟、折弯模具以及折弯夹具进行有效分析

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。