It is very important in how to design NC lathe turning program, improve quality and productivity.

这对于合理地编制数控车削程序、提高零件的加工质量和生产效率，具有一定的实用意义。

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Based on the characteristics of nc lathe turning, the tool interference phenomenon is analyzed and the calculating method of the tool interference processing presented in the paper.

针对数控车削加工的特点，分析刀具干涉现象，提出刀具干涉处理的算法。

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Interim plate is an important part of the steel-plastic extruding die, made a special clamp in the lathe turning procedure, guaranteed the precision, and enhanced the work efficiency.

针对钢塑共挤模具重要零件之一过渡板，在机械加工车工工序中制造了专用夹具，保证精度，同时提高工效。

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Yet there is far to go, and a shift in attitude is needed to match the city's transformation into a service-based economy, a realisation that serving in pubs and hotels is just as fulfilling as turning a lathe.

ECONOMIST: Leeds: Streets paved with brass | The