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Milling of thin-walled electrode curved surfaces

The curved surface milling process of electrolytic red copper thin-walled electrodes is divided into two parts:

1. Rough milling of electrode surface

Use SurfaceRoughPocket programming, that is, surface roughing, to perform surface rough milling. In order to save time, we continue to use a φ16mm end mill, with a rotation speed of 1200r/min, a feed speed of νf=1000mm/min, and a cutting amount of 0.7mm on each layer.

2. Electrode surface finishing

Use the SurfaceFinishParallel programming method to finish the curved surface, using a two-edged spherical milling cutter with a diameter of φ10mm; the tool speed is 2300r/min; the feed speed is 1000mm/min; the feed angle is 315°; in order to ensure sufficient accuracy and good quality of the curved surface The surface quality of the surface, the Tolerance value of the surface accuracy parameter is set to 0.005, and the infeed distance of each line is 0.15mm.

Tool path simulation effect during machining. If surface rough machining is performed directly (i.e., the second step of SurfaceRoughPocket processing) and surface fine milling is performed directly, the cutting amount of fine milling with a φ10mm spherical cutter will be larger, the tool vibration will be large, and the surface roughness value will be reduced. Increasing the diameter will not achieve the purpose of rapid precision milling and may even cause the tool to break. The purpose of adopting an infeed angle of 315° is to make the spacing between processing rows uniform, to achieve good cutting fluid flushing effect, and to improve the surface quality of the workpiece.

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