Parameter curve interpolation method based on vector interpolation of conical surface cutter
A technology of parametric curves and conical surfaces, applied in the field of CNC machining, can solve problems such as a large number of code segments, reduced machining accuracy, increased time and algorithm complexity, etc.
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[0057] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0058] Such as figure 1 Shown, the present invention comprises the following steps:
[0059] According to the processing requirements, use the programming format applicable to this method to input the CNC machining program;
[0060] Establish the attitude curve equation of the conical surface tool according to the read-in NC machining program;
[0061] According to the read-in NC machining program, establish a local Cartesian coordinate system and construct a virtual arc with a fixed degree passing through the first and last points of the parameter curve C(u);
[0062] Use the parameter curve interpolation function to interpolate the parameter curve to determine the coordinates of the tool nose point in the interpolation cycle;
[0063] Use virtual arc method to determine the tool vector corresponding to each interpolation point obtained.
[0064] In the ...
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