JPH04146044A - Preparation device for electric discharge machining program - Google Patents

Abstract

PURPOSE:To facilitate preparation of program by storing a program prepared in a storing unit, and selected a picture plane of program stored for changing input data in the case of preparing a new program. CONSTITUTION:When an electric discharge machining program is prepared by a preparing sequence, data of each picture plane of the electric discharge machining program and the input data are stored in a storing unit 5. When need for preparing an electric discharge machining program is generated thereafter, the names of program stored are displayed on a display 4 and the program name close to the program prepared at this time is selected among them, then a required picture plane in the program selected is selectively displayed. Next, numerical values in the picture plane displayed are corrected to required ones to prepare a new program. It is thus possible to simplify the preparation of electric discharge machining program remarkably.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an electric discharge machining program creation device that creates a program for controlling an electric discharge machine to perform electric discharge machining on a workpiece into a desired shape. Regarding.

[Conventional technology]

An electrical discharge machine is a device that processes a workpiece by using an electrode shaped according to the shape of the workpiece to be machined and generating electrical discharge in a gap between the workpiece and the electrode.

When performing machining using such an electric discharge machine, automatic machining is often performed, and this automatic machining is executed according to a predetermined electric discharge machining program.

The means for creating this electrical discharge machining program will be explained below.

Figure 3 is a plan view of an example of electrical discharge machining, where T is a machining table, W1 to W4 are workpieces arranged and fixed on the machining table T, and H is machined to each of the workpieces WI to W4. Indicates a hole. The procedure for creating an electric discharge machining program for performing such machining will be explained with reference to FIG. 4.

FIG. 4 is a block diagram of the procedure for creating an electrical discharge machining program. An electric discharge machining program creator creates an electric discharge machining program using a display device and a keyboard attached to an NC device (not shown). This creation is performed as shown in FIG. 4: execution menu selection step 0, positioning input step D!
, Origin position setting procedure D! , a machining position setting procedure DJ, an electrode exchange setting procedure 3, a machining program setting procedure 3, and a program development procedure 3. In each of these steps D1 to D, required screens are displayed on the display device, and the program creator creates an electric discharge machining program by inputting or selecting necessary data on each screen. Below, each screen will be explained in order according to FIG.

Execution mode selection screen DIl: This is a screen that asks whether to select the interactive mode or the immediate execution mode, and the interactive mode is selected.

Positioning menu screen D21: This is a screen for adjusting the reference points of each workpiece W, to W4. This reference point is indicated by the symbol P in FIG. 3, and this point is input.

Positioning input screen D2□: This is a screen showing the shape and size of the workpiece, and one of the items displayed on the screen is selected.

Origin setting position screen D3. : This is the workpiece arrangement screen, and in the case of the example shown in FIG. 3, enter the number 4.

Equal interval data setting screen D32: This screen is used only when the workpieces are arranged at equal intervals, and the interval between the workpieces is input.

Origin setting sheet screen D3. : Enter the numerical value of the positional relationship of the array of each workpiece.

Machining position setting screen D41: This is the input of the number of machining locations in one workpiece, and in the case of the example in Fig. 3, the number of holes H is "2".
”.

Equal interval data setting screen D4□: This screen is used only when the machining points on one workpiece are equally spaced, and the interval between the machining points is input.

Machining position sheet screen D43: Input position data of the machining location of each workpiece.

Electrode replacement method screen 1: Since electrical discharge machining is performed while replacing many electrodes, input tool information such as the number of electrodes to be replaced and the replacement method.

Reference position setting screen 2: Set the program for determining the reference position of the electrode.

Correction dimension sheet screen DS:I: Since there are various electrode shapes depending on the machining shape of the workpiece, when attaching the electrode, input the approximate number of deviations between the center position and the machining position of the electrode. The exact numerical value of the deviation is measured using a reference ball for electrode measurement installed in the electrical discharge machine and a program set on the reference position setting screen Dst.

Program setting screen D&I: Enter data regarding actual machining, such as machining depth.

Deployment result storage screen D? I: Above procedure Dz 1-061
This is a screen that displays the processed contents of , and after confirming that the contents are correct, input an expansion command using a predetermined key on the keyboard. This expansion command converts the input data into NC terms.

Deployment result display screen D? □: A program using NC terms is displayed. The program creation ends after confirming that this program is correct.

The program in NC terminology created by the above creation procedure is stored in the storage section within the NC device or in an external storage means such as a floppy disk or punch tape, and automatic electrical discharge machining is performed by an electrical discharge machine based on this program. will be held.

[Problem to be solved by the invention]

The procedure for creating the electrical discharge machining program described above is executed each time the electrical discharge machining program is created. However, as mentioned above, the creation procedure is extremely troublesome, and creating an electrical discharge machining program requires a lot of effort and time, which is especially a heavy burden on those who are inexperienced in creating programs.

The purpose of the present invention is to solve the problems in the above-mentioned prior art,
An object of the present invention is to provide an electrical discharge machining program creation device that can extremely easily create an electrical discharge machining program.

[Means to solve the problem]

In order to achieve the above object, the present invention provides an electrical discharge machining program creation device that creates a program in an interactive format for causing an electrical discharge machine to perform a desired electrical discharge machining on a workpiece. a storage section for storing screen data and input data of the screen at each input stage; a program name display means for displaying the name of each program stored in the storage section; and selecting an arbitrary program from the program name display means. The present invention is characterized in that it is provided with a first selection means for selecting, and a second selection means for selecting a desired screen in the program selected by the first selection means.

[Effect]

When the electrical discharge machining program is created according to the creation procedure, the screen data and input data of each screen of this electrical discharge machining program are stored in the storage section.

After that, when it becomes necessary to create an electrical discharge machining program, display the names of the stored programs, select a program name that is close to the program to be created this time, and then A new program is created by selectively displaying a screen and modifying the numerical values on the displayed screen to desired values. This dramatically simplifies the creation of electrical discharge machining programs.

〔Example〕

Hereinafter, the present invention will be explained based on illustrated embodiments.

FIG. 1 is a block diagram of an electric discharge machining apparatus equipped with an electric discharge machining program creation apparatus according to an embodiment of the present invention. In the figure,
1 is an electrical discharge machine, 2 is an NC device for controlling the electrical discharge machine 1, 3 is a keyboard, and 4 is a display device. NC device 2
, an interactive program creation unit 21 for creating an electrical discharge machining program through dialogue, an input/output device 22 for exchanging signals with the outside, and an input/output device 22 for actually outputting drive signals for the electrical discharge machine l according to the created electrical discharge machining program. It is composed of a program execution section 23 and a main processing section 24 that processes all signals. The above configuration is the same for both the conventional device and the device of this embodiment. In addition to the above configuration, this embodiment has the following features:
The configuration includes a storage device 5.

The storage device 5 is composed of a storage medium such as a magnetic disk, an optical disk, or a magnetic tape, but may be installed inside the NC device 2 as a storage section. This storage device 5 stores screen data of screens displayed in each procedure and input data for the screens when an electrical discharge machining program is created through dialogue.

Next, the operation of this embodiment will be explained with reference to the block diagram of the procedure for creating an electrical discharge machining program shown in FIG. The creator of the electrical discharge machining program must follow the steps shown in Figure 4, ~D
, the process is completed, and then the screen D? When I is displayed,
As mentioned above, it is confirmed whether or not the processing has been carried out correctly, and a conversion command is issued using a predetermined key on the keyboard 3 to convert the processing result into NC terms. With this conversion command,
Although the electric discharge machining program in NC terms is displayed on the screen Dtz, in this embodiment, the conversion command is also used as a storage command. That is, when the program creator operates the above-mentioned predetermined key, expansion using NC terms is performed, and at the same time each screen D! in steps Dt to D is displayed. ,%
The screen data and input data of Dth are stored in the storage device 5. This stored electric discharge machining program is given a name according to a predetermined rule, and this name is also stored together.

In this embodiment, when creating a new electrical discharge machining program, when the creator selects the interactive mode on the screen in step 1, the screen will be the file name - viewing screen D1.
! It is configured so that the name of the stored program is displayed. The creator selects the name of the program most similar to the content of the program currently created from the displayed names, and further selects the screen whose input data is to be changed from among the screens of the selected program.

When this screen is displayed, the creator changes the data on the screen to desired data. In this way, when the required changes on the required screen are completed, the creator operates the above-mentioned predetermined keys to issue an expansion command and a storage command. As a result, the program created this time is also stored in the storage device 5.

In this way, in this embodiment, the created electrical discharge machining programs are sequentially stored in the storage device, so when creating a new program, select the required screen of the already stored program and enter the input on that screen. Programs can be created simply by changing data, making creation of electrical discharge machining programs much easier. And this ease increases as the number of stored programs increases.

In the explanation of the above embodiment, an example was explained in which all created electrical discharge machining programs are stored, but the invention is not limited to this. It is also possible to store only one program. This allows the capacity of the storage device to be reduced. Of course, in this case, different predetermined keys are used for the expansion command and the storage command.

〔Effect of the invention〕

As described above, in the present invention, created programs are stored in a storage device, and when creating a new program, the input data is changed by selecting the screen of the stored program. , programs can be created extremely easily.

[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 is a block diagram of an electric discharge machining apparatus equipped with an electric discharge machining program creation apparatus according to an embodiment of the present invention, and FIG.
FIG. 3 is a plan view of work placement, and FIG. 4 is a block diagram showing the conventional program creation processing procedure. 1... Electric discharge machine, 2... NC device,
3...Keyboard, 4...Display device,
5...Storage device, 21...Dialogue program creation section. Figure Figure Figure Figure

Claims (1)

[Claims] In an electrical discharge machining program creation device that interactively creates a program that causes an electrical discharge machine to perform desired electrical discharge machining on a workpiece, screen data and input data of screens at each input stage of the program that is created in an interactive format. a storage section for storing a program name, a program name display means for displaying the name of each program stored in the storage section, a first selection means for selecting an arbitrary program from the program name display means, and a first selection means for selecting an arbitrary program from the program name display means; An electric discharge machining program creation apparatus comprising: second selection means for selecting a desired screen in the program selected by the selection means.