JPH03154753A - Machining result managing method - Google Patents

Abstract

PURPOSE:To allow machining and machine operating rates per machine tool to be grasped by clocking the machining starting/terminating time and the machining time by a time recording program with the execution of an NC machining program, as well as recording/storing the number of machined works and the like, and displaying them as a machining result chart at a character- diagram display part. CONSTITUTION:A calender program and a clock operating program are started by charging the power supply, as well as the calender program is written into a memory 30a in an NC control device part 30. With the execution of an NC machining program, a time recording program clocks the machining starting/ terminating time and the machining time as well as records/stores the number of machined works and the like to be displayed as a machining result chart at a character-diagram display part 10.

Description

DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention provides an interactive NC program creation system that includes:
This invention relates to a machining performance management method that automatically monitors the operating program number of a machine tool, machining start time, end time, number of pieces machined, etc., and displays the operation record as necessary.

"Prior art and problems" In the conventional interactive NC program creation system,
There is no need to cumulatively display the program number of the machine tool, machining start time, machining end time, number of machining pieces, etc., and there is little need to do so. At best, it was limited to counting and displaying the program number and the number of workpieces processed.

However, in systems such as FMS and FMC where multiple machine tools are managed using a single host computer/computer that manages the overall machining time and machine operating rate, the program number operated by each machine tool, There is a need to cumulatively display machining time, number of machining pieces, etc. at once, and this has been implemented in some cases.

Recently, there has been a strong demand for more efficient machining and understanding of machine operating rates on a single machine tool basis, to improve productivity even a little, and to contribute to cost reduction. Conventional interactive NC and program creation systems cannot meet the above requirements because they cannot cumulatively display the machine tool operating program number, machining start time, end time, number of pieces machined, etc. It has been pointed out that there is a problem that there is a limit to productivity improvement because it is not possible to grasp the processing per machine and the machine operating rate.

"Problems to be Solved and Means to be Solved" The present invention has been made in view of the above-mentioned problems, and it automatically monitors the program number, machining start time, end time, number of pieces machined, etc. operated by the machine tool, and The means for carrying out the present invention is to provide a machining performance management method 35 in which records are displayed as necessary.The means for carrying out the present invention is to provide one machine tool with an interactive NC program creation section, an NCfft control device section, In a control system equipped with a data input/output and a character/figure display section, the interactive NCC program creation section memory is provided with a calendar program for the month, day, and time of power-on, and each memory of the NC control device section is further provided with a calendar program for the power-on date and time. is N
It is equipped with a C machining program, a clock operation program, and a time recording program, and when the power is turned on, the calendar program and the clock operation program are started, and the calendar program is written into the memory in the NC control unit, and the NO machining program is executed. The time recording program is a machining performance management method that not only measures the machining start and end time and machining time, but also records and saves the number of pieces machined, etc., and displays it as a list of actual machining results on the text/figure display section. be.

As a result, when the machine tool starts operating, the program number, machining start time, end time, machining time, number of pieces machined, etc. are written to the memory in the NC control unit, and as necessary, the actual machining amount list is displayed on the character and figure display. It can be drawn and makes it possible to understand the machining and machine operation rate of each machine tool.

"Example" Figure 1 shows the first example of processing of the present invention! ! A block diagram of the control system for implementing the management method, Figure 2 is a flowchart of the machining performance management method, Figure 3 is a screen diagram showing an example of an NC program with a time measurement command inserted, and Figure 4 is a time measurement The flowchart of the measurement command and FIG. 5 each show a screen diagram for collectively displaying the machining results.

Referring to FIG. 1, a control system for a machine tool (machine) 5 will be explained. 10 is a character and graphic display means, CR
The central terminal of the 5-interactive NC program creation section 20 consists of a T display section 1 and a CRT control section 2, and can display memory data on the screen by operating the keyboard and soft keys 3, which is the data input/output means 40. Processing unit (CI-
'L') 20b includes a character 5 graphic display means 10 and a data input/output means 40, as well as a memory (ROM), 20a
This includes a calendar program C□/T for the power-on date and time, a tool file memory, and the like. NCC control limiter 30, which is a machine tool control means.
It is equipped with a central NC control section cp Ut, a program memory section 30a for storing machining programs, a clock memory section 30b for storing clock operation programs, a track record memory section 30c for storing time recording programs9, and the NC. The control unit CPU is connected to the central processing unit (CPU) 20b and each memory unit. By operating the keys of the data input/output means 40, the information of each part is extracted and processed and drawn on the display part 1 of the CRT, and based on the machining program, the NCC control limiter 30 machine tool 5
This is a control system 100 that controls the operation of.

Subsequently, the interactive NC program creation section 20 and N
The operation control function of the C-controlled spout making section 3o will be explained with reference to the flowchart of the machining performance management method shown in FIG. When the power is turned on, power is turned on to the NC control device section on the NC side and the interactive NC program creation section on the program 921 creation side. When the power is turned on, the NCC control limiter 30 and the clock memory section 30b that stores the clock operation program operate the clock from 0 seconds, and the interactive NC program creator starts the time calendar program C□/T and turns the power on. The date and time at the time of input are recorded, and the date and time are written in the memory of the NCC control limiter 30.

Next, prior to operation, the interactive NC program creation section 20
The character and graphic display means 40 and the data input/output means 40 are used to create an interaction program and to check the created program by drawing it.

This creation program is transferred to the program memory section 30a of the NC control device section on the NC side. In addition, in the above-mentioned "Creating dialogue program", as shown in Figure 3, the time measurement start command of "r mark 1:" and the time measurement end command of "mark 2:" in the program number N0OO8 in the NC program are macros. Processed and automatically input with N0 statement. These "marks 1 and 2;" serve as marks for reading the processing time when analyzing dialogue sentences.

From here, programmed operation of the machine tool 5 can be started using the functions of the NCC control arrangement section 30.

When the program operation of program number N 0008 is started, the clock memory section 30b that stores the clock operation program is simultaneously operated from 0 seconds by the time measurement start command of "Mark 1;". This time measurement flowchart is
As shown in Figure 4(a), when reading [mark 1;],
Is the program number the same as last time? If they are the same, set the timer to zero, and if they are not the same, set the timer to zero.
After clearing the number of processed pieces and processing time, the operations of reading the start time and setting the timer to zero are automatically performed within the NC. At the same time as the program operation ends.

[Mark 2: When J is read, a 1-hour measurement end command is issued to stop the clock in the clock memory section 30b.

In addition, as shown in Figure 4 (b), by reading "Mark 2;", you can "verify the program number and record the machining time", "calculate the cumulative time", "count the number of pieces machined", and "
Record the end time, etc., and record the driving results.

As described above, when the operation results are recorded, by operating the keyboard and soft keys 3, which is the data input/output means 40, the memory data is drawn by the character and figure display means 10 that is displayed on the screen as the machining results. The content can be reviewed and monitored.

FIG. 5 shows an exemplary screen of machining results, which will be explained below.

From the left edge of the screen, select "Program number", "Date", "Program step", "Number of pieces", "Machining time", "
It shows "work time", "processing start time", "processing end time", etc. These data make it possible to understand the machining and machine operation per machine tool.

It goes without saying that the present invention is not limited to the above-mentioned embodiments, and that design changes and implementation changes can be made within the gist of the invention.

"Effects" According to the present invention, the memory of the interactive NC program creation section is provided with a calendar program for the month, day, and time of power-on, and each memory of the NC control device section is provided with an NC program.
It is equipped with a machining program, a clock operation program, a time recording program, etc. When the power is turned on, the calendar program and the clock operation program are started, and the calendar program is written to the memory in the NC control unit, and the time recording is performed by executing the NC machining program. The program records and saves the machining start and end time, the number of pieces machined to measure the machining time, etc., and displays it as a list of actual machining amounts on the character and graphic display section, so the program number for the machine tool to operate, the machining start time, etc. Finishing time, processing time, number of pieces machined, etc. can be accumulated and displayed all at once, making it possible to understand the machining per machine tool and the machine operating rate, making it possible to efficiently use machining results to improve productivity. .

In addition, since the cumulative monitoring of the machining results described above is executed on the NC control unit side, the interactive NC program creation unit is capable of determining the program number operated by the machine tool, machining start time, end time, etc.
There is no need to have a monitoring function for machining time, number of pieces to be machined, etc., and even while the machine tool is running, the interactive NC program creation section is freed from the monitoring function and can perform its original functions at 100%.

[Brief explanation of the drawing]

Fig. 1 is a block diagram of a control system for implementing the machining performance management method of the present invention, Fig. 2 is a flowchart of the machining actual M management method, and Fig. 3 is an example of an NC program in which a time measurement command is inserted. FIG. 4 is a flowchart of time measurement commands, and FIG. 5 is a screen diagram showing machining results all at once. 5... Machine tool (machine), 1... CRT display, 3... Keyboard & soft keys, 10... Character 1
Graphic display means, 20... interactive NC program creation section, 20a... memory section. 20))...Central processing unit <cpu), 3(')・
...NCC control unit 30a...Program memo-+
Part, 30b... Clock memory part, 30c...
- Actual memory section, 40...data input/output means. 100...Control system.

Claims (1)

[Claims] (1) In a control system in which one machine tool is equipped with an interactive NC program creation section, an NC control device section, and a data input/output and character/figure display section, the memory of the interactive NC program creation section is A calendar program for the month, day, and time of power-on is provided, and each memory of the NC control unit is provided with an NC machining program, a clock operation program, and a time recording program, and the calendar program and the clock operation program are stored when the power is turned on. Along with starting
A calendar program is written in the memory in the NC control unit, and when the NC machining program is executed, the time recording program not only measures the machining start and end time and machining time, but also records and saves the number of pieces to be machined, etc., and displays the machining results in the character/figure display section. A processing performance management method characterized by displaying a product list.