采用不同旋转速度的电极进行电火花深小孔加工，通过采集加工时间数据，得到多条加工曲线。
The experiment used electrode with different rotation speed to process deep-small holes, and collected the time data during the whole process, after this more of the processing curves could be formed.
因为是悬臂加工，特别是小孔、深孔及硬质工件的加工时，工具系统的刚性尤为重要。
Because of the cantilever processing, especially the small hole, deep hole and hard workpiece processing, the rigidity of the tool system is particularly important.
深小孔的加工，可采用高速电火花加工，在现有条件下，自制相关的工装，达到零件要求。
The processing of deep hole can adopt electrical discharge machining under present condition and self-fabricate relevant facilities to meet parts requirements.
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