Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1991-01-14
1992-10-13
Ip, Paul
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318567, 318572, 36447411, 36447412, G05B 19405
Patent
active
051554259
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The more present invention relates to an NC data execution method which permits an efficient validity/invalidity checking of NC data through a simple operation.
BACKGROUND ART
It is conventionally known to display created numerical control (NC) data on a screen of, e.g., an automatic programming apparatus for operator's visual inspection for validity/invalidity checking of the NC data. NC data is usually large in data quantity and cannot be displayed on the screen at one time. Conventionally, therefore, NC data corresponding to one screen capacity is first displayed and checked, and then next NC data corresponding to one screen capacity is displayed on the screen. Accordingly, the execution of the NC data is temporarily stopped while the NC data corresponding to one screen capacity is displayed, and the execution of the NC data for the next screen display is restarted only after the checking of the preceding data is completed. In case that NC data is displayed screen by screen as mentioned above, it is sometimes difficult for the operator to recognize the relation of the NC data that appears in different screens. To reduce this inconvenience, an attempt has been made to display the NC data block at the beginning of the next screen, in addition to the currently displayed NC data, as shown is FIG. 6.
As NC data consists of data items of different importance, the operator pays special attention to specific NC data items of great importance, when checking the validity/invalidity of the NC data. According to the aforesaid conventional method, however, since NC data corresponding to one screen capacity is displayed on the screen at one time, it is difficult to visually identify the specific data among a large number of data items.
An NC data execution method capable of reducing the above difficulty is also known, in which after the checking of one block of NC data displayed on the screen is completed, the next block of NC data is displayed (FIG. 7), whereby the operator's burden associated with visual checking is more or less reduced. According to this conventional method, however, the execution of NC data is interrupted each time one block of NC data is displayed. Thus, the operator must operate the automatic programming apparatus each time the checking of one NC data block is completed, to restart the execution of the NC data for display of the next data bock, thus making an efficient checking operation difficult.
DISCLOSURE OF THE INVENTION
An object of the present invention is to provide an NC data execution method which permits an efficient valadity/invalidity checking of NC data through a simple operation.
To achieve the above object, an NC data execution method of the present invention comprises the steps of: (a) presetting an interrupt condition in an automatic programming apparatus; (b) reading out NC data, block by block, by the automatic programming apparatus and successively displaying the NC on a display screen; (c) determining whether or not a read block of the NC data satisfies the interrupt condition, each time one block of the NC data is read out and displayed: (d) determining whether or not an interrupt disable command is input to the automatic programming apparatus; and (e) interrupting execution of the NC data performed by the automatic programming apparatus when it is determined that the interrupt condition is fullfilled, until input of the interrupt disable command is detected.
As described above, according to the present invention, each item one block of NC data is read out and displayed on the display screen, it is determined whether or not this block of the NC data satisfies the interrupt condition. When the interrupt condition is fulfilled, the execution of the NC data is interrupted until the interrupt disable command is supplied. Accrodingly, the operator can easily identify the specific NC date satisfying the interrupt condition, while viewing the display screen, and hence the validity/invalidity checking of the NC data can be performed efficiently through a si
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Nakajima Masatoshi
Seki Masaki
Takegahara Takashi
Fanuc Ltd.
Ip Paul
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