Method of determining cutting trajectory in N/C machining system

Details Method of determining cutting trajectory in N/C machining system Method of determining cutting trajectory in N/C machining system

1993-07-14

1995-01-17

Trammell, James

Boots, shoes, and leggings

409 66, 409 84, G06F 1546, B23C 332

Patent

active

053831314

ABSTRACT:
In a numerical control machining system, a leftover area on a work produced by cutting the work with a larger diameter ball end mill is cut with a small diameter ball end mill. When the cutting trajectories of the small diameter ball end mill are determined, the leftover portions are identified in the directions of the cutting trajectories for the larger diameter ball end mill which are set at regular pitches and reference cutting trajectories for the small diameter ball end mill which are the cutting trajectories when cutting the leftover portions with the small diameter ball end mill in the direction of the cutting trajectories for the larger diameter ball end mill are obtained. The reference cutting trajectories are divided at the same number of points at regular intervals in the direction of the reference cutting trajectory, and the lines obtained by plotting the corresponding dividing points on the respective reference cutting trajectories by straight lines are determined as the cutting trajectories for the small diameter ball end mill.

REFERENCES:
patent: 4558977 (1985-12-01), Inoue et al.
patent: 4789931 (1988-12-01), Kuragano et al.
patent: 4866631 (1989-09-01), Kurgano et al.
patent: 5033005 (1991-07-01), Haske
patent: 5223777 (1993-06-01), Werner et al.

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