Patent ID: 6445973
Filing Date: 2002-09-03
Classification: G05B

Abstract:
A screen shifting method in a numerical control apparatus with a personal computer incorporated therein and having a numerical control unit for executing a machining program and a personal computer unit for editing the machining program or monitoring numerical control operations by said numerical control unit; said method comprising the steps of:registering screen processing libraries, each screen processing library including an independent processing section for defining contents of display on each screen and contents of setting and management of data used by the numerical control unit, and a common processing section for performing a screen shift; reading out all of the registered screen processing libraries into a memory managed by an operating system when starting a screen shift execution program; managing a location of each of the screen processing libraries with a screen management table, according to a discrete identification code; accepting a screen shift request when the screen shift execution program has been started and selecting a screen processing library corresponding to the identification code specified in response to the screen shift request, based on data in the screen management table; and executing the screen shift according to the selected screen processing library.