Three-dimensional machining method and recording medium stored w

Details Three-dimensional machining method and recording medium stored w Three-dimensional machining method and recording medium stored w

1997-11-03

2000-03-28

Gordon, Paul P.

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

700163, G05B 194099

Patent

active

06044309&

ABSTRACT:
Data about a plurality of curved surfaces which are expressed in various forms are inputted, and based on the inputted data, the curved surfaces are defined by a set of rational functions with respect to parameters u and v. Then, calculation for intersections which are necessary for machining is carried out, and paths of a cutting tool are calculated. In figuring out the solution of the set of rational functions, first, the extremal value and the point of inflection are calculated, and the solution is calculated by an analytically focusing method with the initial value set between the extremal value and the point of inflection. When a plurality of curved surfaces are expressed in the same form, the curved surfaces are unified into a single surface.

REFERENCES:
patent: 5369592 (1994-11-01), Honda
patent: 5515290 (1996-05-01), Honda
patent: 5627771 (1997-05-01), Makino
patent: 5631840 (1997-05-01), Ooka et al.

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