The CNC method for camshaft grinding has the advantage of high efficiency, good flexibility, precision and steady quality by compared with copying method.

CNC无靠模凸轮磨削具有效率高、柔性好、精度高、质量稳定等众多靠模仿形法无法比拟的优点。

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The application of copying method in indirect measurement of positional tolerance and surface profile is introduced and several examples are given as well.

通过实例，简要介绍了印模法在间接测量形位公差及表面形态方面的应用。

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This paper introduces electrochemical copying method for inner teeth machining as well as clamping apparatus and the tool cathode design. In addition, the technological parameters are given.

介绍了一种特殊齿形的内齿的电化学仿型加工，介绍了相关的工装夹具设计，工具阴极设计和修正以及加工工艺参数。

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But it was the only method of commercial copying prior to the advent of carbon paper and typewriters.

FORBES: Watt's Up

Perhaps this new method of (legally) copying what their foreign partners have already done will impart to SOE engineers some of those same skills.

FORBES: The Missing Link In China's Auto Development?