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电火花成形机的C轴(分度轴)和R轴(旋转轴)在模具加工和特殊零件加工中,实用意义远远大于数控铣床或加工中心等切削机床。C轴与X、Y、Z和其它各轴所构成的多轴联动伺服功能及其在加工过程中所构成的伺服轨迹,可以加工出切削机床所不可能加工的各种复杂形状或各种复杂空间的几何图,尤其是内孔图形。而R轴精密、快速的旋转功能,恰恰是实现高精度圆棒、圆孔和直径20～30μm微孔等加工以及精密创成加工所必不可少的手段。随着工业的发展,用户对电火花成形机拥有R轴和C轴的要求
EDM C axis (indexing axis) and the R axis (axis of rotation) in the mold processing and special parts processing, the practical significance is far greater than the CNC milling machine or machining center and other cutting machine tools. C axis and X, Y, Z and other axis composed of multi-axis servo function and its servo path formed in the process of processing can be machined cutting machine can not be processed in a variety of complex shapes or a variety of complex Space geometry, especially the bore pattern. The R-axis precision, rapid rotation, it is precisely the realization of high-precision round bars, round holes and diameter 20 ~ 30μm micro-holes and other processing as well as sophisticated means of processing the essential means. With the development of industry, users have R axis and C axis requirements for EDM machines