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Numerical controller having function of resuming look-ahead of block
Numerical controller having function of resuming look-ahead of block
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机译:具有恢复程序块超前功能的数值控制器
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摘要
A numerical controller which performs look-ahead control by suspending analysis of a read block of a machining program and resuming the analysis of the read block at a suspended stage when execution of a block immediately preceding the read block is completed. The numerical controller successively reads and analyzes blocks of the machining program in advance, stores the analyzed blocks into a buffer, and then executes the stored blocks, and comprises means for determining whether or not a read block contains a look-ahead stop code to suspend analysis of the block, means for suspending the analysis of the block when the look-ahead stop code is determined, means for determining whether or not execution of a block immediately preceding the suspended block is completed, and resuming means for resuming the analysis of the suspended block when the execution of the block immediately preceding the suspended block is completed.
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