Numerical control apparatus having a three-dimensional graphic d

Details Numerical control apparatus having a three-dimensional graphic d Numerical control apparatus having a three-dimensional graphic d

1993-07-01

1994-12-27

Gordon, Paul

Boots, shoes, and leggings

3644742, 364188, G06F 1546

Patent

active

053771176

ABSTRACT:
A numerical control apparatus having a three-dimensional graphic display function is provided. A three-dimensional space is divided into lattice points in storing the form data of a workpiece and a tool. When the same lattice data of a plane including an X-axis and Y-axis of three-dimensional coordinates is continuous in a Z-direction, i.e., the same form continues, those lattice point data are stored using a piece of lattice data and a continuity number, and the lattice data are stored in the form of a list of links. This allows the form data of the workpiece and tool to be stored using a small memory capacity and the accuracy of display to be improved where needed without increasing the memory capacity.

REFERENCES:
patent: 4720796 (1988-01-01), Kishi et al.
patent: 4879667 (1989-11-01), Gorski et al.
patent: 5043906 (1991-08-01), Jepson
patent: 5282143 (1994-01-01), Shirai et al.

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