JPH05108136A - Processing program preparing method - Google Patents

Abstract

PURPOSE:To eliminate a trouble to re-input by moving in parallel the inputted parts shape. CONSTITUTION:The starting point position of a first shape element to constitute the inputted parts shape is displayed (S1), for example the starting point position (parallel moving quantity) is inputted from a keyboard (S3), and the coordinates value of each shape element to constitute the input parts shape is updated in accordance with the starting point position (parallel moving quantity) commanded by a step S3 (S7); when the coordinates value of either of respective shape elements becomes the minus value, an error message is displayed (S8), and therefore, the inputted parts shape can easily be moved in parallel. For this reason, the re-input of the shape element to constitute the inputted parts shape becomes unnecessary.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a machining program creating method in an interactive numerical control device, and more particularly to a machining program creating method for performing parallel movement of a part shape.

[0002]

2. Description of the Related Art In interactive numerical control devices, a shape input method is widely used in which a shape component is input by using a shape element key provided on a keyboard and a part shape is input. In this shape element key, horizontal, vertical or diagonal straight lines, arcs, symbols, etc. are defined. Therefore, by selecting the shape element key according to the shape to be processed, even a beginner can easily define the processed shape by a simple operation.

[0003]

However, if the coordinate position of the part shape once input is not appropriate, it is necessary to discard the input part shape and input again. In particular, in the case where there are many component shapes whose coordinate positions are not appropriate, or when one component shape is composed of many shape elements, it takes a lot of time to re-input. Therefore, there is a problem that the shape input operation becomes very complicated.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a machining program creating method capable of easily translating an input part shape in parallel.

[0005]

In order to solve the above-mentioned problems, in the present invention, in a machining program creating method in an interactive numerical control device, a part shape is input by a shape element key, and the part shape is translated, There is provided a machining program creating method characterized by creating a part shape.

[0006]

When the input part shape is displayed and the amount of parallel movement from the starting point of the first shape element is input, the coordinate value of each shape element forming the input part shape is changed to the cursor or the starting point of the first shape element. Change to the commanded value with the parallel movement amount from. Therefore, it becomes unnecessary to re-input the shape elements that form the part shape.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a block diagram showing the configuration of an interactive numerical control device that is an embodiment of the present invention.

The processor 11 controls the entire numerical controller according to the system program stored in the ROM 12. EPROM or EEPROM is used for the ROM 12. An SRAM or the like is used as the RAM 13, and various data or input / output signals are stored therein. A CMOS (not shown) backed up by a battery is used in the non-volatile memory 14, and the component shape, parameters, pitch error correction amount, tool correction amount, and the like to be retained even after the power is turned off are stored.

The graphic control circuit 15 converts the digital signal into a signal for display and gives it to the display device 16. A CRT or a liquid crystal display device is used as the display device 16. The display device 16 displays the shape, processing conditions, etc. when creating a processing program in an interactive manner.

The keyboard 17 is composed of shape element keys, numerical keys and the like, and the necessary graphic data and NC data are input using these keys. The axis control circuit 18 receives an axis movement command from the processor 11 and outputs the axis command to the servo amplifier 19. The servo amplifier 19 receives the movement command and drives the servo motor of the machine tool 20. These components are coupled to each other by a bus 21.

A PMC (Programmable Machine Controller) 22 receives a T function signal (tool selection command) or the like via the bus 21 when executing an NC program. Then, this signal is processed by a sequence program, a signal is output as an operation command, and the machine tool 20 is controlled.
Further, it receives a status signal from the machine tool 20, performs a sequence process, and transfers a necessary input signal to the processor 11 via the bus 21.

Further, on the bus 21, software keys 23 and NC whose functions are changed by a system program or the like are provided.
A serial interface 24 is connected to send data to an external device such as a floppy disk device (FDD), printer or paper tape reader (PTR). The software key 23 is provided on the CRT / MDI panel 25 together with the display device 16 and the keyboard 17.

In addition to the processor 11 which is the CPU for NC, the bus 21 is connected with a processor 31 for interaction having a bus 30. ROM 32 on the bus 30,
The RAM 33 and the non-volatile memory 34 are connected.

The interactive data input screen displayed on the display device 16 is stored in the ROM 32. On this interactive data input screen, the overall motion trajectory of the tool and the like are displayed as background animation when the NC sentence is created. Further, the display device 16 displays work or data that can be set on the input screen in a menu format. The item to be selected from the menu is selected by the software key 23 arranged at the bottom of the screen corresponding to the menu. The meaning of the software key 23 changes for each screen. An SRAM or the like is used as the RAM 33, and various data for dialogue are stored therein.

The input data is the processor 3 for dialogue.
1 is processed, and a work machining program is created. The created program data is sequentially background-animated on the display device 16 used interactively. Further, the work machining program stored as the NC sentence in the non-volatile memory 34 is the machine tool 2
It is also executed during the machining simulation of 0, and the foreground animation is displayed.

The processing and operation of the machining program creating method of the present invention will be described below with reference to FIGS.
FIG. 3 is a diagram showing an example of a display screen before translation.
In the figure, a display screen 16a is a screen displayed on the display device 16 of FIG. The part shape 1 is a display of the shape element input by the shape element key from the keyboard 17 of FIG. The shape element 2 is a shape element that forms the component shape 1 and is displayed on a screen by a symbol. The current state display 4 displays the step number of the current machining program, the current coordinate value, the G function of the current NC command, and the like in a window format on the screen.

The soft key 3 corresponds to a command key that is commanded by pressing the software key 23 provided on the CRT / MDI panel 25 of FIG. 2, and nine command keys that can be commanded and change according to the processing content. 3a to 3i. In the figure, the key for instructing the parallel movement of the part shape is the figure movement command key 3c, and the abort command key 3a.
And other command keys such as the page return command key 3b are used for other purposes.

When the programmer who creates the machining shape wants to move the already entered part shape 1, the soft key 3
The figure movement command key 3c is selected. At this time, the display screen 16a changes to FIG.

FIG. 4 is a diagram showing an example of a display screen when a parallel movement amount (X coordinate) is input. In the figure, the same elements as those in FIG. 3 are designated by the same reference numerals and the description thereof will be omitted.
The soft key 3 corresponds to the movement execution command key 3b, the upward movement command key 3c, the downward movement command key 3d, the leftward movement command key 3e, the rightward movement command key 3f, and the execution cancel command key 3h. The command key has changed from the contents of the command key shown in the same position in FIG.

The movement execution instruction key 3b is an instruction key for instructing parallel movement of the component shape 1. Upward movement command key 3c, Downward movement command key 3d, Leftward movement command key 3
e and the rightward movement command key 3f are respectively used for cursor 5
Is a command key for moving the key in a predetermined direction. The execution cancel command key 3h is a command key for canceling the parallel movement of the component shape 1 performed by the movement execution command key 3b.

The cursor 5 has a block shape,
In addition, it blinks on the display screen 16a and indicates the starting point position of the first shape element forming the part shape 1. The starting point coordinates 6a are the starting point coordinates of the first shape element forming the part shape 1 before the parallel movement. The moving coordinates 7a are
It is the coordinate (X coordinate) of the destination to which the component shape 1 is translated.

In the figure, the starting point coordinates 6a of the first shape element forming the part shape 1 have an X coordinate of 85.0 and a Z coordinate of
It is 80.0. At this time, the programmer first inputs from the keyboard 17 the X coordinate of the movement destination for moving the component shape 1 in parallel. The X coordinate of the input destination is displayed in the movement coordinate 7a, and the value of the input X coordinate is 10
It shows that it is 0.0. When the programmer inputs this X coordinate, the display screen 16a changes to that shown in FIG.

FIG. 5 is a diagram showing an example of a display screen when a parallel movement amount (Z coordinate) is input. In the figure, the same elements as those in FIG. 4 are designated by the same reference numerals, and the description thereof will be omitted.
The start point coordinates 6b are the start point coordinates of the first shape element forming the part shape 1 after the parallel movement. Also, the moving coordinates 7b
Is coordinates (Z coordinate) of a movement destination of the component shape 1 to be translated.

Next, the programmer inputs, from the keyboard 17, the Z coordinate of the movement destination for moving the component shape 1 in parallel. The input Z coordinate of the moving destination is displayed in the moving coordinate 7a, indicating that the value of the input Z coordinate is 100.0. Further, the starting point coordinates of the first shape element forming the part shape 1 after translation is displayed at the starting point coordinates 6b. In the figure, after moving the part shape 1, the X coordinate becomes 100.0,
It shows that the Z coordinate becomes 100.0. In addition, the position of the component shape 1 after the movement is displayed on the display screen 16a as a simulation.

To actually perform the parallel movement, the programmer needs to select the movement execution command key 3b.
When the movement execution command key 3b is selected, the coordinate value of each shape element forming the part shape 1 is calculated, and the display screen 16a is changed to FIG. As a result of calculating the coordinate value of each shape element, when the coordinate value of any shape element becomes a negative value, the display screen 16a changes to FIG.

FIG. 6 is a diagram showing an example of the display screen after the parallel movement. In the figure, the same elements as those in FIG. 3 are designated by the same reference numerals and the description thereof will be omitted. The parallel-moved component shape 1 is displayed on the display screen 16a. The programmer can then do the following: Of the soft keys 3, command keys 3b, 3c, 3d, 3e, 3f
And the command keys corresponding to 3h return to the same contents as the command keys shown at the same position in FIG.

FIG. 7 is a diagram showing an example of a display screen when an error occurs. In the figure, the same elements as those in FIG. 4 are designated by the same reference numerals, and the description thereof will be omitted. In addition,
The moving coordinate 7a indicates that the value of the input X coordinate is 60.0.

An error message 8 is displayed on the display screen 16a when an error occurs. At this time, the programmer needs to input the appropriate X coordinate again. It should be noted that the cursor 5 is displayed at the destination position, but the component shape 1 has not moved in parallel because an error has occurred.

FIG. 1 is a flow chart showing the processing procedure of the machining program creating method of the present invention. In the figure,
The number following S indicates a step number. [S1] It is determined whether or not the graphic movement, that is, the parallel movement of the component shape is performed. If the component shape is moved in parallel (YES), the process proceeds to step S2. If the component shape is not moved in parallel (NO), this processing procedure is ended.
The screen displayed in this step corresponds to FIG.

[S2] The starting point position (coordinates) of the first shape element forming the part shape is displayed. In addition, the cursor is displayed at the starting point position of the first shape element so that the destination can be specified with the cursor. The screen displayed in this step corresponds to FIG.

[S3] The destination of the part shape is designated by the cursor or the parallel movement amount from the starting point of the first shape element. The screen displayed in this step corresponds to FIGS. 4 and 5.

[S4] It is determined whether the data is the same as the previously input data. That is, it is determined whether the data input in step S3 is the same as the data input before that. If the same data as before (YES), this processing procedure is terminated, and the same data as before (N
If it is O), the process proceeds to step S5.

[S5] The coordinate values for all the shape elements are calculated in order from the first shape element forming the part shape based on the parallel movement amount input in step S3. [S6] It is determined whether or not there is a negative coordinate value for the coordinate value of each shape element that forms the part shape. That is, it is determined whether or not there is a shape element whose coordinate value calculated in step S5 is negative. If there is a shape element having a negative coordinate value (YES), step S
Go to 8 and there are no shape elements with negative coordinate values (N
If it is O), the process proceeds to step S7.

[S7] An error message is displayed. Then, this processing procedure ends. The screen displayed in this step corresponds to FIG. [S8] The coordinate value of each shape element forming the part shape is updated to the coordinate value calculated in step S5. Also,
The part shape is displayed again based on the updated coordinate value of each shape element. The screen displayed in this step corresponds to FIG. 7.

Therefore, according to the above-described embodiment, when the starting point position of the first shape element of the input part shape 1 is displayed on the display screen 16a and the movement destination is input from the keyboard 17, the input part shape is formed. Since the coordinate value of each shape element is updated according to the value instructed by the parallel movement amount, the input part shape 1 can be easily moved in parallel to a desired position.

In the above description, the present invention is applied to the interactive numerical control device, but the present invention can be similarly applied to the interactive program creating device. Also, the part shape 1
The parallel movement amount that specifies the movement destination of is specified by the absolute coordinate value, but it can also be specified by the relative coordinate value.

The destination of the component shape 1 is designated by inputting the coordinate values from the keyboard 17, but the cursor 5 displayed on the display screen 16a is changed to the upward movement command key of the soft keys 3. 3c, downward movement command key 3
It can also be designated by selecting and moving the d, leftward movement command key 3e or the rightward movement command key 3f. By selecting each movement command key once at this time, the amount of movement of the component shape 1 can be set by a parameter or the like.

[0038]

As described above, according to the present invention, the starting point position of the first shape element of the input part shape is displayed, and, for example, the parallel movement amount from the starting point of the first shape element is input by the keyboard. The coordinate value of each shape element that makes up the part shape is updated according to the value instructed by the parallel movement amount from the cursor or the start point of the first shape element, so the input part shape can be easily moved in parallel. be able to. Therefore, it becomes unnecessary to re-input the shape elements that form the part shape.

[Brief description of drawings]

FIG. 1 is a flowchart showing a processing procedure of a machining program creating method of the present invention.

FIG. 2 is a block diagram showing a configuration of an interactive numerical control device embodying the present invention.

FIG. 3 is a diagram showing an example of a display screen before translation.

FIG. 4 is a diagram showing an example of a display screen when a parallel movement amount (X coordinate) is input.

FIG. 5 is a diagram showing an example of a display screen when a parallel movement amount (Z coordinate) is input.

FIG. 6 is a diagram showing an example of a display screen after translation.

FIG. 7 is a diagram showing an example of a display screen when an error occurs.

[Explanation of symbols]

 11, 31 processor 12, 32 ROM 13, 33 RAM 14, 34 non-volatile memory 16 display device 17 keyboard 23 software key

Claims (4)

[Claims] 1. A machining program creating method in an interactive numerical control device, characterized in that a part shape is input by a shape element key, the part shape is translated, and a part shape is created. .. 2. The machining program creating method according to claim 1, wherein the parallel movement is performed by inputting a parallel movement amount from a starting point of a first shape element forming the part shape. 3. The machining program creating method according to claim 1, wherein the parallel movement is performed by designating a movement destination of the part shape with a cursor. 4. When performing the parallel movement, if the coordinate value of each shape element forming the part shape becomes negative, an error message is displayed and the parallel movement is stopped. The method for creating a machining program according to item 1.