The main function of JFYTJ-400F trajectory arc is automatic cutting of specification plates+four sided chamfering+flat slotting (drawing)+mesh drawing+stove top+(polygon) basin hole+polygon+trapezoid+diamond+fan-shaped+outer circular edge+elliptical edge+horse belly edge+trajectory arc+line imitation+circular hole+elliptical hole+arbitrary edge chamfering (optional)+curved line imitation (optional)+drilling (optional)+edge grinding (optional). The main functions of JFYTJ-400CNC include automatic cutting of specification plates, four sided chamfering, flat slotting (drawing), mesh drawing, stove top, (polygonal) basin holes, polygons, trapezoids, diamonds, fan-shaped shapes, outer circular edges, elliptical edges, horse belly edges, line imitation, CAD import, arbitrary edge chamfering (optional), circular holes (optional), elliptical holes (optional), circular arc line imitation (optional), drilling (optional), edge grinding (optional), and carving (optional).