KR20090072465A - Gating system analyzing automatic apparatus and its method - Google Patents

Abstract

A casting plan interpretation automation device and a method thereof for automatizing the casting plan interpretation using a computer simulation are provided to produce the shape of a casting design variable to database and change a model shape or location. An input unit(31) inputs casting design variables about a casting shape. A storage unit(33) stores the casting design variable. A control unit(35) changes the casting shape according to the casting design variable. A plurality of casting plans is automatically repeated the control unit. In order that the casting plan is interpreted, the control unit controls the overall operations.

Description

Automation system and method for casting method analysis {GATING SYSTEM ANALYZING AUTOMATIC APPARATUS AND ITS METHOD}

The present invention relates to a casting method analysis automation device, and in particular, the shape is changed in conjunction with the numerical change of the model related to the casting using computer simulation, and the casting method analysis automation device and method to automate the casting method analysis It is about.

Since metal has a large deformation resistance, it is not easy to produce the desired shape. Casting means dissolving a metal in a solid state with high deformation resistance to make a liquid state with low deformation resistance and injecting it into a mold of a shape to be formed to solidify it to form a desired bar at a time.

Here, the quality of the cast product depends on how the molten metal flows into the mold and solidifies. If the melt is completely chemically stable, contains no gas at all, no shrinkage upon solidification, no erosion at all on the mold walls, and a uniform specific gravity, casting will be easier.

However, in practice this is not the case, so several factors must be considered in the design variables involved in the casting scheme.

One of the particularly important design variables is the pressure bath. The pressure bath applies static pressure in the mold to remove the gas in the mold and at the same time, disperses the molten metal in volume shrinkage caused by cooling and solidifying the molten metal. In this case, when the casting expands or swells due to the excessive pressure or the weak mold, the molten metal must be replenished by the amount less than that of the molten metal. Therefore, more molten metal is required when producing one casting in consideration of the molten metal.

In particular, the problem of being able to supply the molten metal until the casting has completely solidified depends on several variables, among which the location of the molten metal (ie the number of molten metal) and the size of the molten metal. Although there are various theories for setting such a tapping method, a casting method including a tapping method is set according to experience in manufacturing a casting, and is modified through a number of manufacturing processes.

In order to suppress the occurrence of such various defects in the casting process, it is very important to design the method of the turbidity in the hot-pressed, chilled, padding and sanding / mold / die casting process. Thus, for the optimal casting analysis, the operator changes the model shape of the casting, and then changes the numerical value accordingly and sets the method of casting the optimum state every time.

1 is a flow chart showing a conventional casting method analysis automation method.

Referring to Figure 1, firstly, the worker sets the basic casting method according to the experience of the self or others (S101). The operator then sets casting design parameters, including shape, location and size, related to the blast, fill, patting, sand / mold / diecasting process.

Here design variables depend on experience from operator to operator and thus lack consistency. In this case, the operator may set the basic casting method by referring to the casting method which was previously determined as the optimal casting method. Of course, this textualized casting scheme can be stored and retrieved in a device such as a computer. However, since the stored casting method is described in text form or represented as a two-dimensional photograph or image, a method of searching for a casting method for an object similar to the object to be cast (an object having a three-dimensional shape) has been transferred. Never presented in

Thereafter, the predetermined simulation apparatus executes the casting process simulation according to the basic casting method and provides the result accordingly (S103).

The operator sees the simulation results provided and the direct or simulation device automatically checks for optimal conditions. If it is determined whether the simulation result meets a predetermined optimal criterion (S105), if it is matched, the casting method provided in the previously performed simulation is confirmed as the optimal casting method for the moving object and ends (S107).

However, if the determination result does not meet the optimum criterion, the operator directly goes through the process (S109) of changing the design elements, that is, the casting shape, the numerical value, and the position, respectively, previously performed, and then returns to step 103 (S103). Repeat until the best criteria are met.

In the casting method analysis method performed by the conventional casting method analysis apparatus, when the casting method is not optimal by the simulation of the casting process of the basic casting method set according to the operator's experience, the operator directly sets the casting design parameters. It is difficult to repeat the work to be changed until it is determined as the optimal casting method. That is, since the automation for the casting method is impossible, there is a problem in that the optimum casting method should be designed by changing the numerical value and shape of the casting design variables independently for each casting method for the optimal casting method.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to provide a casting method analysis automation device and method for automating the casting method analysis using computer simulation.

In addition, another object of the present invention is to provide a casting method analysis automation device and method that allows non-experts to easily change the casting design parameters according to the casting method through a modeler program for casting analysis.

In addition, another object of the present invention is to provide a casting method analysis automation device and method for iteratively performing the casting analysis to determine the optimal casting method.

It is still another object of the present invention to provide a casting method analysis automation device and method for making a model change of a corresponding design variable by a numerical change by making a casting design variable into a database.

According to an aspect of the present invention, there is provided a casting method analysis automation device including: input means for receiving a plurality of casting design variables for a desired casting shape; Storage means for storing the casting design parameters; Control means for changing the casting shape in conjunction with the numerical value according to the casting design variable, and controlling the overall operation so that the casting method can be automatically interpreted by repeatedly performing a plurality of casting methods; It characterized in that it comprises a display means for displaying the analysis results according to the plurality of casting schemes.

In addition, the casting method analysis automation apparatus according to another aspect of the present invention for achieving the above object automatically repeats the process of automatically varying the shape in accordance with a plurality of different numerical change requirements of a specific casting model for the designed casting method An apparatus for analyzing an optimal casting method, the apparatus comprising: a numerical setting unit which sequentially converts numerical values of casting design variables set by a user and sets numerical values of a specific casting model; A coordinate converter for converting the numerical value into a coordinate value; A program interface unit for converting and displaying a shape of a corresponding casting model according to the coordinate conversion unit; An analysis unit for analyzing a design for the corresponding casting scheme according to the transformation of the casting model; And a determination unit for determining whether a result of the simulation according to the casting method satisfies a predetermined optimal criterion.

In addition, the casting method analysis automation method according to another aspect of the present invention for achieving the above object in the method for automatically analyzing the casting method that is changed in accordance with a plurality of change requests of a specific casting shape, it is desired to change An input step of receiving a plurality of casting design variables for the casting shape; It is characterized in that it comprises an analysis step of changing the casting shape in conjunction with the numerical value in accordance with the casting design variable, it is possible to analyze by repeatedly performing a plurality of casting schemes.

In addition, the casting method analysis automation method according to another aspect of the present invention for achieving the above object is to automatically change the process of varying the shape according to a plurality of different numerical change requirements of a specific casting model for the designed casting method A method of analyzing an optimal casting method by performing repetition, the method comprising: a setting step of sequentially repeating conversion of numerical values of a casting model requested by an operator and setting numerical values of a specific casting model; An analysis step of converting the numerical value into a coordinate value to convert the shape of the casting model and then analyzing a design of the casting method; And determining whether the result of the simulation according to the casting method satisfies a predetermined optimal criterion.

In addition, the computer-readable recording medium according to another aspect of the present invention for achieving the above object is to be changed to a computer in automatically interpreting the casting method that is changed according to a plurality of change requests of a specific casting shape An input step of receiving a plurality of casting design variables for the casting shape; A program for changing a casting shape in conjunction with a numerical value according to the casting design variable and executing an analysis step for automatically repeating and analyzing a plurality of casting methods may be read.

In addition, the computer-readable recording medium according to another aspect of the present invention for achieving the above object is to automatically process the process of automatically varying the shape in accordance with a plurality of different numerical change requirements of a specific casting model for the designed casting scheme In the repetitive analysis of the optimal casting method, the step of setting the numerical value of the specific casting model by sequentially iteratively converting the numerical value of the casting model requested by the operator to the computer; An analysis step of converting the numerical value into a coordinate value to convert a shape of the casting model and then analyzing a design of the casting room; It is characterized in that the computer can be read by recording a program for executing the determination step of determining whether the result of the simulation according to the casting method meets a predetermined optimal determination criteria.

The present invention by the above-described problem solving means is that the shape of the casting design variable to the database (DB; Database), so that it is possible to change the model shape or position of the casting by only changing the numerical value of the specific casting design variable for the casting scheme It works. Thus, even non-expert workers can easily model the casting design for the casting scheme.

In addition, the change in the shape or position of the model in accordance with the numerical change in conjunction with the numerical change of the casting design variables, and has the effect of performing the function of repeatedly analyzing the changed casting scheme. Thus, since the operator does not need to change the shape and position along with the numerical value of the casting design variable in order to change the casting scheme by hand every time, there is an effect of increasing the convenience of the operator.

In addition, by automatically repeating the analysis of the casting method, there is an effect that can determine the optimal casting method quickly and easily.

The apparatus and method for setting the optimal casting method of the present invention is a technical gist of the corresponding numerical model of the model corresponding to the casting design variable in the database, so that the shape or position of the casting model is changed in conjunction with the numerical change of the casting design variable. Has In addition, the numerical value is automatically changed until the optimal casting method is determined, and the technical gist allows the analysis of the casting method to be repeated. In addition, it has a technical gist to determine the optimal casting method by automatically analyzing the casting method according to the numerical change.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail, focusing on the parts necessary to understand the operation and action according to the present invention.

In the following description, specific details of the optimal casting method setting apparatus and method of the present invention are shown to provide a more general understanding of the present invention, and the present invention may be easily implemented without these specific details and by their modifications. It will be apparent to those of ordinary skill in the art.

On the other hand, throughout the present specification, the term casting design variables will be used directly to mean design variables consisting of casting shapes, figures, and positional information related to agitation, fill, patting, gate, overflow, sand / mold / diecasting processes. The term model will also be used directly to mean parts of each casting for designing a casting scheme.

2 is an exemplary view schematically showing the casting method analysis automation service of the present invention.

Referring to FIG. 2, first, an operator performs casting part modeling using a CAD program for casting design (11). At this time, the operator sequentially inputs numerical values of casting design variables to obtain an optimal casting method.

Then, the casting method analysis automation device generates the grid according to the operator's setting, and then divides the generated grid according to a specific method (13). Here, a technique for generating a grid and a method of dividing the grid are generally known techniques, and a detailed description thereof will be omitted below.

Thereafter, the casting method analysis automation apparatus analyzes the casting method by executing a casting process simulation (15), and then displays the analysis result (17).

The casting method analysis automation apparatus analyzes the analysis result of the casting method after displaying the analysis result (19). And the casting method analysis automation device automatically changes the numerical value of the casting part input by the operator, changes the shape of the cast product in conjunction with the numerical value of the product and repeats the above-described process to repeatedly analyze the casting method.

Therefore, the casting method analysis automation device can obtain the optimal casting method according to the casting design parameters input by the operator.

Figure 3 is a block diagram showing a casting method analysis automation device of the present invention.

Referring to FIG. 3, the casting method analysis automation apparatus 100 of the present invention includes an input means 31, a storage means 33, a control means 35, and a display means 37.

First, the input means 31 receives a plurality of casting design variables for the casting shape that the operator wants to change.

The storage means 33 stores programs for automating the analysis of the casting method, and stores the casting design variables input by the operator to change. In addition, the storage means 35 is a database of the shape of the casting design variable according to the numerical change. Thus, the model shape of the cast part can be easily changed in accordance with the numerical change as shown in FIG.

The control means 35 changes the casting model shape in association with the numerical value according to the casting design variable, and controls the overall operation so that the casting method can be automatically interpreted by repeatedly performing a plurality of casting methods. In addition, the control unit 35 controls to automatically convert the model shape according to the numerical change of the part name setting, sand casting, fill, padding and gate die casting part surface setting of the sand / gravity casting. In addition, the control unit 35 analyzes the analysis result of the casting scheme according to the changed casting model shape, determines whether the predetermined casting scheme is met, and displays it.

The display means 37 displays the analysis results according to the plurality of casting schemes under the control of the control means 35.

The internal configuration of the above-described control means 35 will be described in detail as follows.

5 is a configuration diagram showing the internal configuration of the control means in FIG.

Referring to Fig. 5, the control means 35 of the present invention includes a numerical setting unit 35a, a coordinate conversion unit 35b, a program interface unit 35c, an analysis unit 35d, and a determination unit 35e. It consists of

The numerical setting unit 35a sequentially converts numerical values to set numerical values. In addition, the numerical setting unit 35a is made of text TEXT so that the shape of the casting design variable is possible due to the numerical change. The numerical value may be length information such as a radius and a height of the cast part.

The coordinate conversion unit 35b converts the numerical value into the coordinate value. Here, the coordinate conversion unit 35b converts the numerical value into a three-dimensional coordinate value.

The program interface unit 35c converts and displays the shape or position of the corresponding casting design variable according to the coordinate transformation unit 35b.

The analysis unit 35d executes the casting process simulation to analyze the design for the casting method input by the operator.

The determination unit 35e determines whether the result of the simulation according to the plurality of casting schemes satisfies a predetermined optimal criterion.

6 is a flowchart illustrating an automatic method of casting method analysis of the present invention.

Referring to FIG. 6, first, the control unit 35 receives a plurality of casting design variables for a casting shape desired to be changed from an operator and performs casting part modeling (S601). At this time, the control means 35 stores the casting design variable input from the operator, and models the casting part according to the casting design variable.

Thereafter, the control unit 35 analyzes the design of the casting scheme by executing the casting process simulation (S603).

The control means 35 determines whether the result of the simulation according to the analyzed plurality of casting schemes satisfies a predetermined optimal criterion (S605).

As a result of the determination, if the predetermined optimal criterion is satisfied, the control unit 35 determines the casting method as the optimal casting method (S607). At this time, even if the optimal casting method is determined, the casting method can be repeatedly analyzed for the numerical values of the cast part model changed by the casting design variable input by the operator.

However, if the determination result does not meet the optimum criterion, the control means 35 changes the numerical value of the cast part model to the value of the casting design variable input by the operator (S609).

Then, the control unit 35 converts the changed numerical value of the cast part to the corresponding three-dimensional coordinate value (S611), and converts and displays the shape or position of the cast part model using the CAD program (S613). .

Thereafter, the control means 35 returns to step 603 (S603) and sequentially performs the above-described process, and determines whether the result of the simulation according to the corresponding casting method according to the changed casting part satisfies a predetermined optimal criterion. It is determined (S605).

Therefore, the interference of the operator is minimized by the casting method analysis automation apparatus and method of the present invention, and the shape and modification of the model can be changed and modified only by simple numerical manipulation through the variable-based modeling method. Savings are possible, and automatic repetitive analysis of the optimum casting method setting device is possible.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

1 is a flow chart showing a conventional casting method analysis automation method.

Figure 2 is an exemplary view schematically showing a casting scheme analysis automation service of the present invention.

Figure 3 is a schematic view showing a casting scheme analysis automation device of the present invention.

Figure 4 is an exemplary view showing the shape of the cast part to convert in conjunction with the numerical change in accordance with the present invention.

5 is a configuration diagram showing the internal configuration of the control means in FIG.

Figure 6 is a flow chart showing an automated method of casting method analysis of the present invention.

Claims (17)

Input means for receiving a plurality of casting design variables for a desired casting shape; Storage means for storing the casting design parameters; Control means for changing the casting shape in conjunction with the numerical value according to the casting design variable, and controlling the overall operation so that the casting method can be automatically interpreted by repeatedly performing a plurality of casting methods; Display means for displaying analysis results according to the plurality of casting schemes Casting scheme analysis automation device comprising a. The method of claim 1, wherein the control means, Automated casting method analysis characterized by controlling part name setting of sand / gravity casting, pressing, fill, padding and gate die casting parting surface setting, and automatically converting model shape according to numerical change of gate and overflow Device. The method of claim 1, wherein the control means, A numerical setting unit for setting numerical values by sequentially converting the numerical values; A coordinate converter for converting the numerical value into a coordinate value; Program interface unit for converting and displaying the shape or position of the casting design variable according to the coordinate conversion unit Casting scheme analysis automation device comprising a. The method of claim 3, wherein the numerical setting unit, A casting method analysis automation device, characterized in that the shape of the casting design variable is made of text (TEXT) to enable due to numerical changes. The method of claim 3, wherein the control means, An analysis unit for executing a casting process simulation to analyze a design for the plurality of casting methods; Determination unit for determining whether the results of the simulation according to the plurality of casting methods meet a predetermined optimal criterion Casting scheme analysis automation device further comprising a. The method of claim 3, wherein the coordinate conversion unit, A casting method analysis automation device, characterized by converting into coordinate values representing a three-dimensional shape. The method of claim 1, wherein the casting design variable, Automated casting method analysis, characterized in that consisting of casting shape, numerical and position information related to the pressure, fill, patting, gate, overflow, sand / mold / die casting process. The method of claim 1, wherein the storage means, The casting method analysis automation device, characterized in that the shape of the casting design variable according to the numerical change is a database. In the device for automatically analyzing the optimal casting method by repeating the process of automatically varying the shape according to a plurality of different numerical change requirements of a specific casting model for the designed casting method, A numerical setting unit configured to repeatedly convert numerical values of casting design variables set by a user and to set numerical values of a specific casting model; A coordinate converter for converting the numerical value into a coordinate value; A program interface unit for converting and displaying a shape of a corresponding casting model according to the coordinate conversion unit; An analysis unit for analyzing a design for the corresponding casting scheme according to the transformation of the casting model; Determination unit for determining whether the results of the simulation according to the casting method meets a predetermined optimal criterion Casting scheme analysis automation device comprising a. In the method of automatically analyzing the casting scheme that is changed according to a plurality of change requests of a specific casting shape, An input step of receiving a plurality of casting design variables for a casting shape to be changed; Analysis step to change the casting shape in conjunction with the numerical value in accordance with the casting design parameters, and to analyze by automatically repeating a plurality of casting schemes Casting method analysis automation method comprising a. The method of claim 10, wherein the analyzing step, Storing the casting design parameters; Setting a numerical value by repeatedly converting the numerical value sequentially; Converting the numerical value into a coordinate value to display the corresponding casting shape and automatically repeating the analysis of the design for the casting method. Casting method analysis automation method comprising a. The method of claim 10, wherein the analyzing step, Executing a casting process simulation to analyze designs for the plurality of casting schemes; Determining whether a result of the simulation according to the analyzed plurality of casting methods satisfies a predetermined optimal criterion Casting method analysis automation method further comprising a. The method of claim 10, wherein the casting method analysis automation method, And a display step of converting and displaying a shape or a position of a corresponding casting design variable according to the coordinate value transformation. In the method of automatically repeating the process of automatically varying the shape according to a plurality of different numerical change requirements of a specific casting model for the designed casting method, the method for analyzing the optimal casting method, A setting step of sequentially and repeatedly converting the numerical value of the casting model requested by the operator and setting the numerical value of the specific casting model; An analysis step of converting the numerical value into a coordinate value to convert the shape of the casting model and then analyzing a design of the casting method; Determination step of determining whether the result of the simulation according to the casting method meets a predetermined optimal criterion Casting method analysis automation method comprising a. 15. The method of claim 14, wherein the shape or position of the cast model can be changed by the numerical value of the cast model. In the method of automatically analyzing the casting scheme that is changed according to a plurality of change requests of a specific casting shape, An input step of inputting a plurality of casting design variables for a casting shape to be changed to a computer; Analysis step to change the casting shape in conjunction with the numerical value in accordance with the casting design parameters, and to analyze by automatically repeating a plurality of casting schemes A computer-readable recording medium having recorded thereon a program for executing the program. In the method of automatically repeating the process of automatically varying the shape according to a plurality of different numerical change requirements of a specific casting model for the designed casting method, the method for analyzing the optimal casting method, A setting step of sequentially repeating and converting the numerical value of the casting model requested by the operator to the computer and setting the numerical value of the specific casting model; An analysis step of converting the numerical value into a coordinate value to convert the shape of the casting model and then analyzing a design of the casting method; Determination step of determining whether the result of the simulation according to the casting method meets a predetermined optimal criterion A computer-readable recording medium having recorded thereon a program for executing the program.

Images