Since the numerical control exhibition is electrolytic machining for the processing of complex profiles represented by the integral impeller blade profile, the calculation of the cathode motion trajectory is quite complicated. If manual programming is used, the workload is very large. Therefore, it is necessary to use computer-aided programming. . To this end, according to the requirements of CNC electroforming, VC4.0++ was used to develop the computer-aided programming software NCECM for Windows95 running in the Windows95 environment.

in conclusion:

(1) It is feasible to fit the list surface with the ruled surface and use the linear edge cathode to numerically develop the integrated impeller.

(2) The analytical expression obtained from the analysis of the rigid body motion has nothing to do with the shape of the cathode, so it is suitable for various forms of the cathode.

(3) Deriving any point D is the center point of the cathode edge forming during the machining process, which can ensure the minimum rate of change of the forming points of the cathode during the machining process, so as to ensure the processing precision of the whole blade, thereby ensuring the high of the area. Precision.

(4) If the D point in the machining is always in the area where the blade precision is high, it can be ensured that the forming point in the area has the smallest rate of change of speed.

(5) The reference axis is the axis with the smallest normal angle to the D-point profile, which can vary with the progress of the machining.

(Finish)

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