通过合理的工艺流程设计，在高速走丝线切割机床上采用二次切割加工工艺。
The twice-cut process based on high-speed line cutter is described in the paper.
针对高速走丝线切割机易断丝的问题，详细地分析了钼丝易断的原因和解决方法，并在实践中取得了令人满意的效果。
Molybdenum wire of HS WEDM is easily broken. For solving this problem, the causes and dealing methods are present in this paper, which have a satisfactory effective in practice.
本文从理论和实验两方面对高速走丝线切割机床多次切割可行性进行了论证，并讨论了高速走丝线切割机床多次切割所必须具备的条件。
In this paper the feasibility of multiple cut on WEDM-HS is studied theoretically and experimentally. The necessary conditions to realize the multiple cut on the said machine are discussed.
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