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Numerical controller with machining resume function

A technology of numerical control device and function, applied in the direction of digital control, electrical program control, etc., can solve the problem of spending a lot of time

Inactive Publication Date: 2008-05-07
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this invention still has disadvantages, it takes a lot of time to resume machining depending on the length of the program and the number of times subroutine calls are performed

Method used

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  • Numerical controller with machining resume function
  • Numerical controller with machining resume function
  • Numerical controller with machining resume function

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Experimental program
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Embodiment Construction

[0024] FIG. 1 is a schematic diagram of a numerical control device for controlling a machine tool according to an embodiment of the present invention. This numerical control device has the same hardware configuration as that of a conventional numerical control device for controlling a machine tool, and thus its hardware configuration is schematically shown in FIG. 1 . The difference between the numerical control device of the present invention and the conventional one is that the execution processing software part of the processing program stored in the memory (storage device) is different in order to realize the function of continuing processing, and the difference is also that the continuing processing described later is stored. functional software.

[0025] The numerical control device 10 has a memory (storage device) 12 connected to a processor (CPU) 11 through a bus 18; an interface 13; a display 14; an operation panel 15; an axis controller 16 for controlling a servomoto...

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Abstract

A numerical controller with a machining resume function, in which time necessary to resume machining is reduced without increasing memory capacity. A program portion such as a subprogram to be skipped, which is not required to execute for restoring an internal status of the numerical controller at the time point of machining suspension is registered by number or the like. When the internal stare is restored, only if the read-out block is not the program portion to be skipped, execution is carried out without operating a machine, and the internal status including a coordinate position of the machine and the like is updated and stored. A pointer indicating a block position is also updated. If it is determined that the pointer becomes equal to a pointer value at the time point of machining suspension, and that the suspended block is reached, the internal status such as interpolation information which is stored at the machining suspension is restored, and the machining is resumed. Since the unnecessary program is skipped, processing time can be reduced, and less memory capacity is required.

Description

technical field [0001] The invention relates to a numerical control device for controlling a machine tool, in particular to a numerical control device with a machining resume function capable of continuing machining after a machining interruption during the machining process. Background technique [0002] Usually, in order to continue processing after the processing is interrupted, the numerical control device controlling the machine tool is equipped with a continuous processing function, which accurately stores the internal status of the numerical control device (internal status), including the program segment of the execution program, the processing position, the insertion Supplementary data etc. are restored to the state at the time point of the processing interruption, and the processing is continued from the processing interruption point. [0003] For example, a known continuing processing function, when executing a processing program, stores in the storage device the v...

Claims

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Application Information

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IPC IPC(8): G05B19/18
Inventor 持田武志宫岛敬一郎藤原浩二
Owner FANUC LTD
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