Method of creating curved surfaces

Details Method of creating curved surfaces Method of creating curved surfaces

1986-01-15

1994-01-11

MacDonald, Allen

Boots, shoes, and leggings

318570, 36447425, G05B 19415

Patent

active

052787672

ABSTRACT:
A curved surface generation method well-suited for application to the preparation of a numerical control tape used in the numerically controlled machining of a three-dimensional body such as a three-dimensional mold. The surface creation method includes steps of defining, on a first section curve or reference curve of a three-dimensional curved body, a point Pi (i=1,2 . . . ) which corresponds to a point Qi (i=1,2 . . . ) on a second section curve or reference curve, and generating an intermediate section curve in accordance with the established correspondence. A curved surface is created by collecting a plurality of the intermediate section curves together. Accordingly, the invention raises the degree of freedom with which a curved surface is created, and enables the accurate creation of a curved surface featuring subtle changes, allowing the precise machining of a three-dimensional body.

REFERENCES:
patent: 2927258 (1960-03-01), Lippel
patent: 3548173 (1970-12-01), Pascoe et al.
patent: 3882304 (1975-05-01), Walters
patent: 4589062 (1986-05-01), Kishi et al.
Dictionary of Computers, Information Processing, and Telecommunications; by Jerry M. Rosenberg; 1984, 1987; John Wiley and Sons; pp. xiii, xiv, 424.

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