JPH0322104A - Interactive type data input system - Google Patents

Abstract

PURPOSE:To prevent trouble such as the breakdown of a tool, etc., by a generated work program by changing automatically input data into a proper value when the input data to be within a definite range is inputted erroneously. CONSTITUTION:Generally, the length D of a screw part 3 has definite relation to Dh. Accordingly, when the depth Dh a prepared hole 2 is inputted, the length of the screw part 3 is determined so that, for instance, 0.8Dh is a maximum value Dmax and 0.5Dh is a minimum value Dmin. Next, if a numerical value data-inputted by an operator lies in the range of Dmax to Dmin, this numerical value becomes effective as the data of the work program as it is. If it is larger than this maximum value Dmax, Dmax is made effective data, and if it is smaller than the minimum value Dmin, the minimum value Dmin is made the effective data. Thus, the length of the screw part 3 never exceeds the depth Dh of the prepared hole 2, and the dangerousness of the breakdown of a tapping tool is eliminated as well.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an interactive data input method for creating a machining program in an interactive format, and particularly relates to an interactive data input method for automatically converting input data to appropriate values. .

[Conventional technology]

Currently, an interactive machining program creation method having a graphic display function is widely used for machining programs in numerical control devices. In this machining program creation method, a machining program is automatically created by inputting selections of workpiece coordinates, material shape, etc. according to questions on the display screen of the numerical control device. Further, the machining shape is input using shape element keys such as a straight line or a circular arc.

On the other hand, it is necessary to input numerical data for the dimensions of the machined shape, etc. Although some of these numerical data are unrelated to other input data, many input data have some kind of relationship with other input data.

[Problem to be solved by the invention]

However, these input data are incorporated into the machining program as valid input data.

Therefore, if input data that is restricted by other input data is incorrectly input, there is naturally a high risk of damage to the tool.

Therefore, it is necessary to check these input data internally on the numerical control device side at the time of data input. On the other hand, the range of input data is considerably limited depending on the depth of the pilot hole in tapping, the length of the threaded part, etc.

The present invention has been made in view of these points, and it is an object of the present invention to provide an interactive data input method that can automatically incorporate input data into a machining program as appropriate values.

[Means to solve the problem]

In order to solve the above problems, the present invention provides an interactive data input method for creating a machining program in an interactive format.
Determine the range of input data, if the input data is within the range, store it as is, if the input data is larger than the range, use the maximum value of the range as input data, if the input data is smaller than the range provides an interactive data input method characterized in that input data is determined by using the minimum value of the range as input data.

[Effect]

The range of input data is determined from the previously input data, etc., and if the range is exceeded, it is stored as the maximum or minimum value. This makes it possible to avoid machining programs that would cause damage to the tool.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

FIG. 2 is an explanatory diagram of creating an interactive program for tapping according to an embodiment of the present invention. When creating a machining program using an interactive numerical control device, select the material shape, material, etc., and select tapping machining. A question will appear asking you to enter the dimensions of pilot hole 2. Dimension D
Enter h.

Next, a question for inputting the length D of the threaded portion 3 is displayed, and when input data D is input, the machining shape of the workpiece 1 is displayed as shown in Figure 2, and the input data is incorporated into the machining program. To go.

Here, the length D of the threaded portion 3 generally has a constant relationship with Dh. Therefore, when the depth Dh of the pilot hole 2 is input, the length of the threaded portion 3 is determined, for example, by setting 0.8Dh as the maximum value Dmax and setting 0.5Dh as the minimum value Dmin. Of course, such numerical values are merely examples, and can be arbitrarily determined using the system program of the interactive numerical control device. It can also be configured to be given as a parameter.

Next, the numerical value entered by the operator is DmaxzDm
If it is within the range of in, the value is valid as it is as data for the machining program. If this maximum value Dma
If it is larger than x, DmaX is regarded as valid data, and conversely, if it is smaller than minimum value Dmin, minimum value Dmin is regarded as valid data. Therefore, the length D of the threaded portion 3 does not exceed the depth Dh of the prepared hole 2, and the risk of damaging the tapping tool is also eliminated.

FIG. 1 is a flowchart showing the processing flow of the interactive data input method of the present invention. In the figure, the number following S indicates the step number.

[S1] Input the data Dh of the pilot hole 2 according to the instructions in the question.

[S2] Determine the next data input range, that is, the length Dmax-Dmin of the threaded portion 3. In the above example 0.8D
h~0.5Dh.

[S3] A new question, ie, a question for inputting the length of the threaded portion 3, is displayed.

[S4] The operator inputs the length Di of the threaded portion 3.

[S5] Check whether the human capacity data Di satisfies Dmax≧Di≧Dmin, and if satisfied, the data is made valid. If not satisfied, proceed to S6.

(S6) Check whether Di is larger than Dmax, and if so, proceed to S7; otherwise, proceed to S8.

[S7] Since the data input Dl exceeds the maximum value Dmax, Dmax is incorporated into the machining program as a valid value.

[S8] Since the data input Di is outside the range and does not exceed the maximum value Dmax, it is smaller than Dmin, so Dmin is incorporated into the machining program as a valid value.

In this way, even if input data in a certain range is erroneously input, the machining program is created by replacing it with numerical values in the appropriate range. Of course, it is also effective to display a message to that effect at the same time as replacing the input data.

In the above example, the length of the pilot hole and thread part in tapping processing was explained as an example, but the input data that should be within a certain range, such as the length of the pilot hole and reaming processing, is not limited to this example. It can also be applied to length, double hole machining, chamfering, etc.

FIG. 3 is a schematic diagram of the hardware configuration of a numerical control device for implementing the present invention. Processor l1 is ROM1
The entire numerical control device is controlled according to the system program stored in 2. The ROM 12 is an EPROM or an EEPROM. A DRAM or the like is used as the RAM 13, and various data or input/output signals are stored therein. The nonvolatile memory 14 uses a battery-backed CMOS, and stores parameters, pitch error correction amounts, tool correction amounts, etc. that should be retained even after the power is turned off.

The graphic control circuit 15 converts the digital signal into a display signal and supplies it to the display 16. Display 16 is CR
A T or liquid crystal display device is used to display questions for the operator, and when data is input, to display the machining shape, machining program, etc. The simulation board 17 is composed of software keys, a keyboard, etc., and the operator uses this simulation board 7 to input necessary data according to the questions. It is also used to simulate the machine tool 18. These components are connected by bus l9.

In FIG. 3, structural elements such as an axis control circuit, a servo amplifier, a spindle amplifier, and a PMC (programmable machine controller) are omitted. It is also possible to use a plurality of processors to form a multiprocessor system.

In addition, although the above example was explained using an interactive numerical control device,
The same applies to interactive automatic programming devices.

〔Effect of the invention〕

As explained above, in the present invention, when input data that should be within a certain range is incorrectly input, it is automatically changed to an appropriate value, so the created machining program can be used to prevent damage to tools. problems can be prevented.

[Brief explanation of the drawing]

FIG. 1 is a flowchart showing an example of the interactive data input method of the present invention, FIG. 2 is an explanatory diagram of creating an interactive program for tapping processing according to an embodiment of the present invention, and FIG. 3 is a diagram for implementing the present invention. 1 is a schematic diagram of the hardware configuration of the numerical control device of FIG. Workpiece/Prepared hole screw part/Processor ROM RAM - Non-volatile memory 1 1 1 5 6 7 Graphic control circuit display operation panel 1 1 8 9 Machine tool node

Claims (3)

[Claims] (1) In an interactive data input method that creates a machining program in an interactive format, the range of input data is determined, and if the input data is within the range, it is stored as is, and if the input data is larger than the range, the The interactive data is characterized in that the maximum value of the range is used as input data, and when the input data is smaller than the range, the minimum value of the range is used as the input data, the input data is determined and a machining program is created. Input method. (2) The interactive data input method according to claim 1, wherein the range is calculated from other input data input previously. (3) The interactive data input method according to claim 1, wherein when changing an input data value outside the range to a value within the range, a message to that effect is displayed.