JPS63293607A - Cad/cam automatic programming device - Google Patents

Abstract

PURPOSE:To facilitate the correction of a working form by securing such a constitution where the CAD (pattern of working form) data is also corrected just reading of the NC data. CONSTITUTION:An automatic programming device contains an NC data reading means 11 which reads the NC data out of a tape reader puncher, a graphic display means 12 which displays a working form onto a CRT screen with said NC data, an NC data/CAN data converting means 13, a working form correcting means 14 which corrects the working form displayed on the CRT with a correcting function of a CAD, a CAD data producing means 15 which produces the CAD data with correction of the working form an NC data producing means 16, and an NC tape output device 17. In such a constitution, the read NC data is converted into the CAD data when this CAD data is corrected and the displayed working form is corrected by the CAD form production of the corresponding data. Then the desired NC data is produced and outputted as an NC tape by a puncher in case the contents of the NC data are fixed and are not corrected again.

Description

Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a CAD/CAM automatic programming device that can create and read NC data for a numerical control device, and particularly relates to the modification of the NC data. It is something.

[Prior Art] A block diagram of a conventional CAD/CAM automatic programming device is shown in FIG. Central processing unit (CPU) (51)
Connected to the common bus are a memory (52) in which basic programs are stored and a floppy disk (53) in which NC data and CAD data are stored. A keyboard (54) equipped with alphabet and numerical keys, etc., a graphic display device (CRT) (55), and a reader puncher (5) for outputting and reading NC data.
7) and a pointing device (mouse) (58) for instructing commands and figures displayed on the CRT screen. FIG. 6 shows an external view of this device.

FIGS. 3 and 4 are flowcharts showing operations up to the modification of the conventional machining shape. Figure 3 shows the case where NC data is read from the tape reader puncher (57).
The figures each show the flow when CAD data is read from the floppy disk (53).

Next, the operation will be explained. In Figure 3, NC data is read from the tape reader puncher (57) into the automatic programming device (3a), and the X1Y coordinate values, G code, and M code of the read NC data are inserted, modified, and deleted in the NC data editing mode. Correct the NC data by (3)
b). Then, the corrected NC data is output as an NC tape by the tape reader puncher (57) (3C
).

In FIG. 4, data is read into the automatic programming device from the floppy disk (53) on which CAD data is registered (4a), and the machined shape is displayed on the CRT screen (55) (4b). Then, the machining shape is modified using the CAD editing function (4C), and CAD data of the modified machining shape is created (4d). Next, NC data of the corrected machining shape is created (4e), and the created NC data is output as an NC tape by the tape reader puncher (57) (4r).

[Problems to be Solved by the Invention] Since the conventional CAD/CAM automatic programming device is configured as described above, in order to modify the machining shape using CAD data, CAD data must be registered in addition to NC data. Moreover, since the NC data is made up of G code and M code, it is difficult for anyone except an experienced person to modify the NC data. Furthermore, there were other problems such as the automatic programming device not being able to check the graphics of the modified NC data.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a CAD/CAM automatic programming device that can read NC data and easily modify a machined shape.

[Means for Solving the Problems] The CAD/CAM automatic programming device according to the present invention includes means having a function of displaying a machining shape on a CRT screen from read NC data, and converting the NC data into CAD data. The apparatus also includes means for making it possible to modify the converted machining shape using a CAD editing function, and means for creating NC data of the modified machining shape.

[Operation] In the present invention, when converting NC data to CAD data, only the NC data is sufficient as the saved data, and the modification of the machining shape is performed using the CAD editing function.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 1st
In the figure, (11) is a means having a function of reading NC data from a tape reader puncher (57) into an automatic programming device, and (12) is a CRT screen (55) with the NC data read by the means (11). Means (13) is equipped with a function of displaying the machined shape on the machine, and means (13) is means equipped with a function of converting the NC data read by the means (11) into CAD data. (14) is a functional means for correcting the machining shape displayed on the CR7 using a CAD correction function; (15) is a means having a function of creating CAD data of the machining shape modified by the means (14); (16) is a means having a function of creating NC data of a modified machining shape, (17
) is a means having a function of outputting the created NC data.

The above means (11) to (17) are implemented by CPU (51)
and a memory (52) in which a program defining the calculation operation thereof is stored. And the means (
11) and (17) are tape reader punchers (
57) for reading and outputting NC data.

Next, the operation of the apparatus having the above configuration will be explained based on the flowchart shown in FIG. Read the created NC data from the tape reader puncher (57) to the automatic programming device (2a, 2b), and program C using the read NC data.
The machined shape is displayed on the RT screen (55) (2c).

When modifying the NC data as it is, modify the NC data in the NC data modification mode (2d, 2i, 2j), and after the modification is completed, output the modified NC data as an NC tape using the tape reader puncher (57). (2d, 2
1. ．． 2, 2+).

When modifying CAD data, enter the CAD data conversion request characters via the keyboard (54) 2d),
The NC data read in step (2b) above is converted into CAD data (2e). And CR7 screen (55)
Use the CAD correction function to correct the machining shape displayed in 2r) and create the CAD data (2g
). Next, create NC data for the corrected machining shape (
2h).

If the NC data created in step (2h) needs to be corrected or corrected again with CAD data, steps (2d) to (2j) or (2d) to (2h) are repeated again. When the contents of the NC data are finalized and there is no need to modify them again, the NC data is output as an NC tape by the tape reader puncher (57) (2
d, 21.2k, 21).

In the above embodiment, the tape reader puncher (57)-
The case of reading NC data from
The data may be read from a floppy disk on which the data is registered, and although the method for storing the created NC data has been shown for an NC tape, the same effect as in the above embodiment can be obtained even if the data is registered on a floppy disk. [Effects of the Invention] As described above, according to the present invention, the modification of the machined shape is performed by NC.
Since the configuration is such that CAD data can be corrected just by reading the data, only one type of NC data can be saved, and since NC data is common to all machines, NC data created with other automatic programming devices can be read. This has the advantage that the machined shape can be corrected by using this method, and the corrected NC data can be output.

[Brief explanation of the drawing]

FIG. 1 is a block diagram functionally expressing a CAD/CAM automatic programming device according to an embodiment of the present invention, FIG. 2 is a flowchart showing a method for modifying a machining shape in the device of FIG. 1, and FIG. and Fig. 4 is a flowchart showing a conventional method for modifying a machined shape, and Fig. 5 is a CA
Block diagram of D/CAM automatic programming device, No. 6
The figure shows its external appearance. Note that the same reference numerals in the figures indicate the same or equivalent parts. Agent Patent Attorney Souji Sasaki Figure 1

Claims (2)

[Claims] (1) An automatic programming device that can create a machining program (hereinafter referred to as NC data) for a numerical control device and read the NC data, which has the function of displaying machining figures on a CRT screen using the read NC data. The first means and the NC data are converted into the figure data (hereinafter CAD) of the processed shape.
a second means for converting the converted machining shape into data (referred to as data) and making it possible to modify the converted machining shape using a CAD editing function; and a third means for creating NC data of the modified machining shape. A CAD/CAM automatic programming device characterized by: (2) The CAD/CA according to claim 1, wherein the second means has a function of modifying the processed shape of CAD data converted using a CAD editing command.
M automatic programming device.