Method for establishing data defining a tool path for a numerica

Details Method for establishing data defining a tool path for a numerica Method for establishing data defining a tool path for a numerica

1991-01-17

1993-09-21

Smith, Jerry

Boots, shoes, and leggings

36447424, G06F 1560, G06F 1546

Patent

active

052474518

ABSTRACT:
A method for generating data defining a tool path for a numerically controlled machine is designed for generating machining tool path data without establishing offset plane data so that the machining tool path depth data can be established for discontinuous, surfaced, offset planes which might otherwise cause interference in the tool path. The method includes the steps of forming a plurality of patches defining a three-dimensional plane to be machined, subdividing each patch into a predetermined number of segments as divided by a plurality of dividing points, with the number of segments being variable depending upon the distance between adjacent dividing points so that the distance is maintained to be smaller than the machining area of a machine tool. The machining depth at each dividing point within the tool path is derived with respect to the maximum height position at which the machining tool comes into contact with the dividing point. The machining depth is modified with a correction value which is determined in terms of the surface condition of the surface to be machined.

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