针对上述一般机械加工中常见的问题，本文介绍了某叉形零件和转向管接头车削专用夹具的设计和适用于大、中型孔的两种加工方法。
For these common problems in mechanical machining, special fixtures for two special parts, a forked part and a steering joint, were designed and accordingly two proper processes were introduced.
其精良的产品可广泛应用于机械加工中的钻孔、扩孔、铰孔、锪平面及攻螺纹等。
Its sophisticated products can be widely used in machining of drilling, reaming, reaming, Tapping countersink flat and so on.
多种因素如PVC、纤维素纤维的改性处理、加工条件等都将影响泡孔形态与制品的物理机械性能。
Many factors such as the surface modification of PVC matrix and cellulose-fiber, processing conditions all affected the cell morphology and physical properties.
本文通过机械优化设计理念，对零件孔加工的路线和数控程序的编制进行了优化设计。
In this thesis, the thought of optimal design of the machine, the processing route of parts and the program of the NC program are excellently designed.
主要研究内容和结论如下：1。建立了激光加工多孔端面机械密封的流体动力学分析模型，根据假设，一个孔栏上的液膜压力分布可表征整个密封面上的液膜压力。
The main contents and achievements are summarized as follow:1. A theoretical model has been developed to investigate hydrodynamic effect of mechanical seals with a laser-textured pores seal face.
本发明属于机械加工领域，涉及一种骑缝孔的加工方法及工装夹 具。
The invention belongs to the field of mechanical machining and relates to a method for machining a roulette and a frock clamp thereof.
圆柱齿轮减速器箱盖的机械加工工艺过程设计及铣削观察孔端面的专用夹具设计；
Cylindrical gears reduction gear box lid's machine-finishing process engineering and milling port hole end surface's unit clamp design;
针规适用于机械加工中孔径、孔距、内螺纹小径的测量，特别适于弯曲槽宽及模具尺寸的测量。
The pin gauges are used to measure the hole distance, the pitch diameter of the thread, etc.
针规适用于机械加工中孔径、孔距、内螺纹小径的测量，特别适于弯曲槽宽及模具尺寸的测量。
The pin gauges are used to measure the hole distance, the pitch diameter of the thread, etc.
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