The nc machines send a nc program with predefined instructions to the dnc host , then the host analyses the nc program and executes the instructions , so the function of remote call is realized 數(shù)控設(shè)備通過向dnc主機發(fā)送含有約定命令的數(shù)控程序, dnc主機經(jīng)分析該程序后執(zhí)行相應(yīng)的命令,實現(xiàn)nc程序的遠(yuǎn)程調(diào)用。