JP2007047872A - Material-selecting method, chemical component determining method, and system thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a material-selecting method for selecting material specifications, which conform to chemical components and mechanical properties that parts require, with a simple method, for selecting a standard material classification, which conforms to a material classification classified with the uses and categories of parts, with a simple method, for improving efficiency in designing plan of products, for easily extracting the corresponding material specifications of broken parts based on the analysis results of the chemical components of the broken parts, and for efficiently taking countermeasures against the breaking; and to provide a chemical component determining method and a system thereof. <P>SOLUTION: When a material is selected based on chemical components by extracting material specifications which conform to chemical components requirement of the material, material specifications of a plurality of materials are preliminarily stored for each chemical component in a material component specification memory. Then, the material specifications of chemical components corresponding to the required chemical components are retrieved in the material component specification memory to extract the material specifications of the chemical components corresponding to the required chemical components. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is a material selection method and system for extracting a material standard adapted to the required chemical composition and required mechanical properties or required material classification of the material, and the material standard of the material is determined based on the analysis result of the chemical component of the material. Alternatively, the present invention relates to a method for determining a chemical component of a material and a system for determining a component to which the material is applied.

  Regarding the materials used for products, especially equipment parts, at the design planning stage, from the material information necessary for the parts, the means of selecting the optimal material for the parts in terms of material properties such as material cost and mechanical properties As one, the technique of patent document 1 (Unexamined-Japanese-Patent No. 2002-73744) is provided.

  In this technology, material information including material prices and material properties information stored in each database held by the design and development department, part information, material standards, current performance information are registered in an integrated database, and design information is stored in the database. It is registered in the integrated database, and the material selection processing unit extracts the material standard that matches the input part name and material selection conditions and the material that matches the material standard. It is configured to select a suitable material.

JP 2002-73744 A

When selecting the material of a part that constitutes a product at the stage of product design planning, the chemical components required for the part (for example, steel containing 18% Ni and Cr8) and the required mechanical properties (for example, 60 kg tensile strength). It is required to select a material standard (JIS, ISO, in-house standard, etc.) that conforms to / mm ² or more and elongation of 5 to 8% by a simple method.
In addition, it is also required to select a standard material standard that matches the material classification required for the part by a simple method in the material classification classified by the category of the part and the material (material characteristics). May be.

Furthermore, in the event of a component damage accident, etc., the chemical composition analysis of the material is performed on the part, and the material standard corresponding to the material for the part is extracted based on the analysis result, and measures against damage accidents are taken. Is often required.
However, in Patent Document 1 (Japanese Patent Laid-Open No. 2002-73744), a material standard that matches the part name and material selection conditions input to the material selection processing unit and a material that matches the material standard are extracted. However, no means for responding to the various requirements as described above are shown.

  In view of the problems of the prior art, the present invention makes it possible to select a material standard that matches a chemical component required by a component and a required mechanical property by a simple method, and is classified according to a category such as a component use or a material. Standard material standards that match the material classification can be selected by a simple method to improve the efficiency of product design planning, and the corresponding material standards for the parts can be easily determined based on the results of chemical composition analysis on damaged parts. It is an object of the present invention to provide a material selection and chemical component determination method and a system thereof that can effectively extract countermeasures against damage.

  The present invention achieves such an object, and the first method is a material selection method based on chemical components for extracting a material standard adapted to the required chemical components of the material, and for each of the plurality of materials in advance for each chemical component. The material standard is stored in the material component standard memory, the material standard of the chemical component corresponding to the required chemical component is searched in the material component standard memory, and the material standard of the chemical component corresponding to the required chemical component is determined. It is characterized by extracting.

  Preferably, in the first method invention, when the material standard of the chemical component corresponding to the required chemical component is not extracted by the search, the search range of the required chemical component is changed based on the search result, and the required chemical component The material standard of the chemical component corresponding to the required chemical component change value is searched in the material component standard memory using the change value of the chemical component, and the material standard of the chemical component corresponding to the required chemical component change value is extracted. Repeat until the material specifications for the required chemical components are extracted.

  The second method is a material selection method based on mechanical properties that extracts a material standard adapted to the required mechanical properties of the material. The material standard value and experimental data for each mechanical property of a plurality of materials are previously stored in the machine. Stored in a physical property standard memory, and a material standard having a mechanical property corresponding to the required mechanical property is searched in the mechanical property standard memory, and a material having a mechanical property corresponding to the required mechanical property. It is characterized by extracting a standard.

  Preferably, in the second method invention, when the material standard of the mechanical property corresponding to the required mechanical property is not extracted by the search, the search range of the required mechanical property is changed based on the search result. Using the change value of the required mechanical property, the material property value and experimental data of the mechanical property corresponding to the required mechanical property change value are searched in the mechanical property standard memory, and the required mechanical property change value The material standard having the mechanical properties corresponding to the above is extracted until the material standard having the required mechanical properties is extracted.

The invention of the apparatus for carrying out the first and second methods described above is the material selection system for extracting the material standard adapted to the required chemical component of the material and the material standard adapted to the required mechanical property of the material. Requested chemical component setting means for setting a chemical component, required mechanical property setting means for setting the required mechanical property, a material component standard memory for storing a material standard for each chemical component for a plurality of materials, and a plurality of materials A mechanical property standard memory for storing material standard values and experimental data for each mechanical property is provided, and a material standard for a chemical component corresponding to the required chemical component input from the required chemical component setting means is stored in the material component standard memory. The required machine input from the required mechanical property setting means, while extracting the material standard of the chemical component corresponding to the required chemical component A controller for extracting the material specifications of mechanical properties of materials specifications and experimental data of mechanical properties corresponding to the request mechanical properties searches in the mechanical properties specification memory in corresponding to the properties,
And a display means for displaying the extraction result of the chemical component and the mechanical property in the controller.

In the apparatus invention for performing the first and second methods, preferably, the controller determines the required chemical component based on the search result when the material standard of the chemical component corresponding to the required chemical component is not extracted by the search. The chemical component search value changing means for changing the search range, and when the material standard of the mechanical property corresponding to the required mechanical property is not extracted by the search, the search range of the required mechanical property is changed based on the search result. A mechanical property search value change means is provided, and the material standard of the chemical component corresponding to the required chemical component change value is stored in the material component standard memory using the change value of the chemical component from the chemical component search value change means. Repeat the search and extract the material standard of the chemical component corresponding to the required chemical component change value until the material standard of the required chemical component is extracted,
Using the change value of the mechanical property from the mechanical property search value changing means, the material property value and the experimental data of the mechanical property corresponding to the required mechanical property change value are searched in the mechanical property specification memory. The extraction of the material standard of the mechanical property corresponding to the required mechanical property change value is repeated until the material standard of the required mechanical property is extracted.

  The third method is a material selection method based on material classification that extracts material standards corresponding to material classification such as by use and material of the material applied to the product. The use, material, etc. are constant for a plurality of materials in advance. The material standards classified according to the above criteria are stored in the standard material standard memory, the standard material standards corresponding to the required material classification categories are searched in the standard material standard memory, and the criteria corresponding to the required material classification categories are searched. It is characterized by extracting material specifications.

  Preferably, in the third method invention, when the reference material standard corresponding to the required material classification category is not extracted by the search, the search range of the required material classification category is changed based on the search result, and the required material classification A reference material standard corresponding to the required material classification category change value is searched in the standard material standard memory using the change value of the category, and a standard material standard corresponding to the required material classification category change value is extracted; Repeat until the required reference material standards are extracted.

The invention of the apparatus for carrying out the above third method is provided with required material classification setting means for setting the required material classification category,
The controller includes a standard material standard memory for storing a material standard classified according to a certain standard such as use and material for a plurality of materials, and a standard material corresponding to a required material classification category input from the required material standard setting means The standard is configured to search the standard material standard memory and extract the standard material standard corresponding to the required material classification category,
The display means is configured to display the extraction result of the material classification in the controller.

  In the apparatus invention for implementing the third method, preferably, the controller changes a search range of the required material classification based on the search result when a reference material standard corresponding to the required material classification is not extracted by the search. A material classification search value change means is provided, and a reference material standard corresponding to the required material classification change value is searched in the reference material standard memory using the change value of the required material classification from the material classification search value change means. Extracting the standard material standard corresponding to the required material classification change value is repeated until a required standard material standard is extracted.

  The fourth method is a material chemical component determination method for determining the material standard of the material based on the analysis result of the chemical component of the material. The material component standard memory stores the material standard for each chemical component in advance for a plurality of materials. The chemical component corresponding to the chemical component analysis value by analyzing the chemical component of the material and comparing the analysis value of the chemical component with the material standard of the chemical component in the material component standard memory. The material standard is extracted from the material component standard memory.

  The invention of the apparatus for carrying out the fourth method described above is the chemical component analyzing means for analyzing the chemical component of the material in the material chemical component determination system for determining the material standard of the material based on the analysis result of the chemical component of the material. And a material component standard memory for storing a material standard for each chemical component for a plurality of materials, and an analysis value of the chemical component input from the chemical component analysis means and a material of the chemical component in the material component standard memory A controller for extracting a material standard of a chemical component corresponding to the chemical component analysis value from the material component standard memory by comparing with a standard is provided.

  A fifth method is a material chemical component determination method for determining a part to which the material is applied based on the analysis result of the chemical component of the material. The chemical component corresponding to the chemical component analysis value is analyzed by analyzing the chemical component of the material and comparing the analysis value of the chemical component with the chemical component specific component in the material specification setting memory for each component. A component having a component is extracted from the component-specific material specification setting memory.

  The invention of the apparatus for carrying out the fifth method described above is a chemical component analysis system for analyzing a chemical component of a material in a material chemical component determination system for determining a component to which the material is applied based on an analysis result of the chemical component of the material. Analyzing means and a component-specific material spec setting memory for storing chemical components for a plurality of parts, the analysis value of the chemical component input from the chemical component analyzing means and the parts in the component-specific material spec setting memory And a controller that extracts a component having a chemical component corresponding to the chemical component analysis value from the component-specific material specification setting memory by comparing with the chemical component.

According to the first and second method inventions and the apparatus invention for implementing them, a plurality of materials are stored in advance in the material component standard memory of the controller when selecting the material of the parts constituting the product at the product design planning stage. The material standard for each chemical component is stored, and / or the material standard value and experimental data for each mechanical property is stored in the mechanical property standard memory of the controller, and for the part set by the required chemical component setting means The necessary chemical properties of the material, i.e., the required chemical components and / or the required mechanical properties of the material for the part set by the required mechanical property setting means, i.e., the required mechanical properties, are input to the controller. , Search, extract and / or extract material standards of chemical components corresponding to the required chemical component from a plurality of material standards for each chemical component in the material component standard memory. Retrieves and extracts a material standard of a mechanical property corresponding to the required mechanical property from a plurality of material standard values and experimental data for each mechanical property in the mechanical property standard memory, and extracts the chemical component in the controller And the display means for displaying the extraction result of the mechanical properties, the material for a plurality of parts constituting the product at the design planning stage of the product, the chemical component required for the material for the part, that is, the required chemical component And / or the required mechanical properties of the material for the component, that is, the required mechanical properties are input to the controller, the material standard (JIS) that automatically meets the required chemical components and / or the required mechanical properties in the controller. , ISO, in-house standards, etc.) can be selected with a simple method and reliably.
Therefore, according to this invention, the material selection plan for each chemical component and / or each mechanical property can be performed easily and reliably, and the efficiency of product design planning can be improved.

  Further, according to the first and second method inventions and the device invention for performing these, when the material standard of the chemical component corresponding to the required chemical component is not extracted by the search in the controller, and / or When the material standard of the mechanical property corresponding to the required mechanical property is not extracted by the search, the search range of the required chemical component is changed based on the search result, and the chemical component corresponding to the changed value of the required chemical component The material standard of the chemical component corresponding to the required chemical component change value is extracted until the material standard of the required chemical component is extracted, and / or based on the search result. The property search range is changed, and the material standard value and experimental data of the mechanical property corresponding to the changed value of the required mechanical property are searched. By repeating the extraction of the material specifications of the mechanical properties to be repeated until the material specifications of the required mechanical properties are extracted, the above method is applied to the materials of a plurality of parts constituting the product at the product design planning stage. Even if a material standard that matches the required chemical composition and / or required mechanical properties of the part material cannot be obtained, change the search range for required chemical components or change the search range for required mechanical properties. By searching the material specification value or experimental data of the chemical component material standard or the mechanical property, the material standard closest to the chemical component required in the product design planning stage or the material closest to the required mechanical property Standards can be quickly extracted, and the efficiency of product design planning can be realized.

According to the third method invention and the device invention for performing these, when selecting the material of the parts constituting the product at the product design planning stage, the controller uses the reference material standard memory for a plurality of materials in advance. A material standard classified according to a certain standard such as a material is stored, and a required material classification category set by the required material category setting means, that is, a required material classification category is input to the controller. In the controller, the standard material standard memory The standard material standard corresponding to the required material classification category is retrieved and extracted from the material standard in the standard, and displayed on the display means for displaying the extraction result of the standard material standard in the controller. If you enter the required material classification of the material for multiple parts that constitute Automatically with a simple material standards that meet the requirements material classification technique, and it is possible to reliably selected by the controller.
Therefore, according to this invention, the material selection by the material classification as described above can be performed easily and reliably, so that the design plan of the product can be made efficient.

  Further, according to the third method invention and the device invention for carrying out these, when the reference material standard corresponding to the required material classification category is not extracted by the search in the controller, the required material is based on the search result. Change the search range of the classification category, search the standard material standard corresponding to the change value of the required material classification category, and extract the standard material standard corresponding to the change value of the required material classification category. Since it was repeated until the material standard was extracted, even if the required material classification of the material for the part could not be obtained by the above method for the material of a plurality of parts constituting the product at the product design planning stage, By changing the search range of the required material classification and searching for the corresponding standard material standard, the material standard closest to the material classification required in the product design planning stage is obtained. The it is possible to quickly extract, it can be realized efficient design plan of a product.

  According to the fourth method invention and the apparatus invention for carrying out these, the material component standard memory for the plurality of materials is stored in advance in the material component standard memory of the controller, and the component component for damaged parts is stored by the chemical component analyzing means. The chemical component of the component material is analyzed, and the analysis value of the chemical component is input to the controller. The controller compares the analysis value of the chemical component with the material standard of the chemical component in the material component standard memory. Since the material standard of the chemical component corresponding to the chemical component analysis value is extracted from the material component standard memory, it becomes possible to easily extract the corresponding material standard of the part based on the chemical component analysis result of the damaged part. , Can quickly and effectively take measures against damage accidents.

According to the fifth method invention and the device invention for implementing these, chemical components are stored in advance in the material specification setting memory for each component of the controller, and the chemical components of the constituent materials of the components are stored by the chemical component analysis means. The analysis value of the chemical component is input to the controller, and in the controller, the analysis value of the chemical component input from the chemical component analysis means and the chemical component by component in the material specification setting memory by component Since the part having the chemical component corresponding to the chemical component analysis value is extracted from the component-specific material spec setting memory by comparing the chemical component analysis value, the chemical component analysis value of the metal powder mixed in the lubricating oil is used. It is possible to extract a part having a chemical component that matches the analysis value.
As a result, it is possible to detect damaged parts in the product quickly and accurately based on the chemical component analysis results of the metal powder mixed in the lubricating oil, and to quickly and effectively take measures against damage accidents. Can do.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the component parts described in this example are not intended to limit the scope of the present invention only to specific examples unless otherwise specified. Only.

FIG. 6 is an overall configuration diagram of a material selection system and a material chemical component determination system according to an embodiment of the present invention.
In the figure, reference numeral 100 denotes a material search system (controller) which has a material database 102 and searches for chemical components of materials based on the required chemical components, required mechanical properties, and required material classifications input from the material data input means 101. 103, material mechanical property search 104, material classification search 105, and the like.
The material database 102 stores chemical components, mechanical properties, material classifications, and the like of a plurality of materials.
The search result in the material search system (controller) 100 is once stored in the material database 102, then the corresponding chemical component data display means 106, the corresponding mechanical property data display means 107, the corresponding material classification data display means. 108 or the like. Reference numeral 109 denotes related file display means.

Next, FIG. 1 is a control block diagram of the material selection system according to the first embodiment of the present invention, and shows a control procedure of material selection in the material search system (controller) 100 in FIG.
In FIG. 1, reference numeral 1 denotes a required chemical component setting means, which sets a required chemical component, that is, a required chemical component for a material of a part constituting the product at the product design planning stage. This required chemical component is input to the chemical component / material standard comparison unit 7 via the chemical component input means 4.
Reference numeral 6 denotes a material component standard memory, and material component standards based on JIS, ISO, in-house standards, etc. are set for a plurality of materials. That is, in the material component standard memory 6, as shown in FIG. 3, chemical components a, b, c of material standards defined for different material standards (material component standards) A, B, C,. , Z are preferably set in a matrix.

The chemical component / material standard comparison unit 7 compares the required chemical component input from the chemical component input means 4 with the material component standard in the material component standard memory 6 and compares the result with the corresponding standard presence / absence. Input to the determination unit 10.
The corresponding standard presence / absence determination unit 10 determines a comparison result in the chemical component / material standard comparison unit 7 and extracts a material standard of a chemical component corresponding to the required chemical component. The required chemical component and the material standard extracted corresponding to the required chemical component are displayed on the display device 20.

When the material standard of the chemical component corresponding to the required chemical component is not extracted in the corresponding standard presence / absence determination unit 10, the determination result is input to the chemical component search value changing means 12. Then, in the chemical component search value changing means 12, referring to the determination result in the corresponding standard presence / absence determination unit 10, the search range of the required chemical component is changed within an allowable range, and the change value is changed to the above-described change value. The required chemical component setting means 1 is fed back.
Then, the required chemical component change value is input from the required chemical component setting means 1 to the chemical component / material standard comparing section 7 via the chemical component input means 4 and the same calculation and control as described above are performed.
The above control and calculation are repeated until the material standard of the required chemical component is extracted, and the final required chemical component and the material standard extracted corresponding to the required chemical component are displayed on the display device 20.

In FIG. 1, reference numeral 2 denotes a required mechanical property setting means, which sets a required mechanical property, that is, a required mechanical property for a material of a part constituting the product at the product design planning stage. This required mechanical property is input to the mechanical property / material standard comparison unit 9 via the mechanical property input means 5.
Reference numeral 8 denotes a mechanical property standard memory, in which mechanical property standards for materials according to JIS, ISO, in-house standards, etc. are set for a plurality of materials. That is, in the mechanical property standard memory 8, as shown in FIG. 4, the material standard values and experimental data machines defined for different material standards (mechanical property standards) A, B, C,. The properties a, b, c, z are preferably set in a matrix.

In the mechanical property / material standard comparison unit 9, the requested mechanical property input from the mechanical property input means 5 is matched with the mechanical property standard value and the experimental data in the mechanical property standard memory 8. The comparison is made and the result is input to the corresponding standard presence / absence determination unit 11.
The corresponding standard presence / absence determination unit 11 determines a comparison result in the mechanical property / material standard comparison unit 9 and extracts a material standard having a mechanical property corresponding to the required mechanical property. The required mechanical properties and the material standard values and experimental data extracted corresponding to the required mechanical properties are displayed on the display device 20.

If the material standard having the mechanical property corresponding to the required mechanical property is not extracted by the corresponding standard presence / absence determining unit 11, the determination result is input to the mechanical property search value changing unit 13. Then, the mechanical property search value changing means 13 changes the search range of the requested mechanical property within an allowable range with reference to the determination result in the corresponding standard presence / absence determination unit 11, and the change value Is fed back to the required mechanical property setting means 2.
Then, the required mechanical property change value from the required chemical component setting means 2 is input to the mechanical property / material standard comparison unit 9 via the mechanical property input means 5, and the same calculation and control as described above are performed. Do it.
The above control and calculation are repeated until a material standard having a required mechanical property is extracted, and the final required mechanical property and the extracted material standard value and experimental data corresponding to the required mechanical property are displayed on the display device. 20 is displayed.

Further, in FIG. 1, reference numeral 3 denotes a required material classification setting means, which is required from among material classification categories in which the material of parts constituting the product is classified according to a certain standard such as application and material at the product design planning stage. A material classification category, that is, a required material classification is set. This required material classification is input to the material classification / standard material standard comparison unit 15 via the material classification input means 14.
In the 16-standard material standard memory, standard material standards are set for a plurality of materials that are classified according to a certain standard such as use and material. That is, in the standard material standard memory 16, material standards defined for each material classification classified according to a certain standard such as application and material are preferably set in a matrix.

The material classification / standard material standard comparison unit 15 compares the required material classification input from the material classification input means 14 with the standard material standard in the standard material standard memory 16, and compares the result with the corresponding material. The data is input to the classification determination unit 17.
The corresponding material classification determination unit 17 determines the comparison result in the material classification / standard material standard comparison unit 15 and extracts the standard material standard corresponding to the required material classification. The required material classification and the standard material standard extracted corresponding to the required material classification are displayed on the display device 20.

If the reference material standard corresponding to the required material classification is not extracted by the corresponding material classification determination unit 17, the determination result is input to the material classification search value changing means 18. Then, the material classification search value changing means 18 refers to the determination result in the relevant material classification determination unit 17 and changes the search range of the required material classification within an allowable range, and changes the change value to the The required material classification setting means 3 is fed back.
Then, the required material classification change value is input from the required material classification setting means 3 to the material classification / standard material standard comparison section 15 via the material classification input means 14, and the same calculation and control as described above are performed.
The above control and calculation are repeated until a required standard material standard is extracted, and the final required material classification and the standard material standard extracted corresponding to the required material classification are displayed on the display device 20.

As described above, according to the first embodiment, when selecting a material of a part constituting a product at the product design planning stage, a plurality of materials are previously stored in the material component standard memory 6 of the controller 100 for each chemical component. The material standard value and experimental data for each mechanical property are stored in the mechanical property standard memory 8 of the controller 100, and the necessity of the material for the part set by the required chemical component setting means 1 is stored. The necessary chemical properties of the parts material set by the chemical component setting means 2 and the required mechanical property setting means 2 are input to the controller 100. In the controller 100, the material While searching and extracting the material standard of the chemical component corresponding to the required chemical component from a plurality of material standards for each chemical component in the component standard memory 6 A material standard having a mechanical property corresponding to the required mechanical property is retrieved and extracted from a plurality of material standard values and experimental data for each mechanical property in the mechanical property standard memory 8, and the chemical component in the controller 100 is extracted. And the display means 20 for displaying the extraction result of the mechanical properties, the material for a plurality of parts constituting the product at the design planning stage of the product, the chemical components required for the material for the part, that is, the required chemistry. When the components and the required mechanical properties of the component material, that is, the required mechanical properties are input to the controller 100, the controller 100 automatically satisfies the material standards (JIS, JIS, etc.) that match the required chemical components and the required mechanical properties. ISO, in-house standards, etc.) can be selected with a simple method.
Therefore, according to the first embodiment, the material selection for each chemical component and each mechanical property as described above can be performed easily and reliably.

  Further, according to the first embodiment, when the controller 100 does not extract the material standard of the chemical component corresponding to the required chemical component by the search, or the mechanical corresponding to the required mechanical property by the search. When the material standard of the property is not extracted, the search range of the required chemical component is changed based on the search result, the material standard of the chemical component corresponding to the changed value of the required chemical component is searched, and the required chemical component changed value is set. The extraction of the material standard of the corresponding chemical component is repeated until the material standard of the required chemical component is extracted, or the search range of the required mechanical property is changed based on the search result to obtain the changed value of the required mechanical property. It is necessary to retrieve the material standard value and experimental data of the corresponding mechanical property and extract the material standard of the mechanical property corresponding to the required mechanical property change value. By repeating the process until the material specifications for mechanical properties are extracted, the required chemical composition or required mechanical properties of the material for the parts are met by the above method for the material of multiple parts constituting the product at the product design planning stage. Even if the material standard to be obtained cannot be obtained, the search range of the required chemical composition is changed or the search range of the required mechanical property is changed, and the material specification value or experimental data of the corresponding chemical component or mechanical property It is possible to quickly extract the material standard closest to the chemical component required in the product design planning stage or the material standard closest to the required mechanical properties.

  Furthermore, according to the first embodiment, when selecting the material of the parts constituting the product at the product design planning stage, the standard material classification memory 16 of the controller 100 is preliminarily used for a certain standard such as the use and the material for a plurality of materials. The required material classification category set by the required material category setting means 3, that is, the required material classification category is input to the controller 100. In the controller 100, the standard material classification memory 16 stores the material standard. The standard material standard corresponding to the required material classification category is searched and extracted from the material standard, and is displayed on the display means 20 for displaying the extraction result of the standard material standard in the controller 100. Therefore, at the product design planning stage, Controller 1 shows the material for multiple parts that make up the product, uses of the material for the parts, and the required material classification such as material If the input to 0, automatically with a simple material standards that meet the requirements material classification technique, and it becomes possible to reliably selected in the controller 100.

  Further, when the reference material standard corresponding to the required material classification category is not extracted by the search in the controller 100, the search range of the required material classification category is changed based on the search result, and the change of the required material classification category is performed. Since the standard material standard corresponding to the value is searched and the standard material standard corresponding to the required material classification category change value is extracted until the material standard of the required material classification category is extracted, product design Even if the required material classification of the material for the part is not obtained by the above method at the planning stage, even if the required material classification of the material for the part is not obtained by the above method, the corresponding standard material standard is changed by changing the search range of the required material classification. By searching, it is possible to quickly extract the material standard closest to the material classification required in the product design planning stage.

FIG. 2 is a control block diagram of the chemical composition determination system for materials according to the second embodiment of the present invention.
In the second embodiment, reference numeral 30 denotes chemical component analysis means for analyzing the chemical component of the material, and the analysis value of the chemical component of the material in the chemical component analysis means 30 is the component of the controller 100 from the chemical component analysis value input means 31. The analysis value / material standard comparison unit 33 and the component analysis value / part specification comparison unit 35 are input.
Reference numeral 32 denotes a material component standard memory, which stores material standards for each chemical component for a plurality of materials.

In the component analysis value / material standard comparison unit 33, the analysis value of the chemical component of the material from the chemical component analysis means 31 is matched with the chemical component of the material standard stored in the material component standard memory 32. Then, the chemical component of the material standard corresponding to the chemical component analysis value is searched, and the search result is input to the corresponding standard presence / absence determination unit 36.
The corresponding standard presence / absence determination unit 36 extracts a material standard having a chemical component corresponding to the chemical component analysis value based on the search result.
The chemical component analysis value of the material and the extracted material standard are displayed on the display device 20.

Reference numeral 34 denotes a part-specific material spec setting memory. As shown in FIG. 5, chemical components a, b,... Z corresponding to a plurality of parts A, B,. Is remembered.
In the component analysis value / part specification comparison unit 35, the analysis value of the chemical component of the material from the chemical component analysis means 31 and the parts (A, B... Stored in the part-specific material specification setting memory 34). A part having a chemical component corresponding to the chemical component analysis value is searched by matching the chemical component (a, b,..., Z) for each Z), and the search result is the corresponding part extraction unit 37. To enter.
The corresponding part extraction unit 37 extracts a part name having a chemical component corresponding to the chemical component analysis value based on the search result.
The chemical component analysis value of the material and the extracted part name as described above are displayed on the display device 20.

  According to the second embodiment described above, the material standard for each chemical component is stored in advance in the material component standard memory 32 of the controller 100, and the chemical component analysis means 30 stores the component material of the component for the damaged part. The chemical component is analyzed, and the analysis value of the chemical component is input to the controller 100. In the controller 100, the analysis value of the chemical component is compared with the material standard of the chemical component in the material component standard memory 32. Since the material standard of the chemical component corresponding to the chemical component analysis value is extracted from the material component standard memory 32, the corresponding material standard of the component can be easily and quickly based on the chemical component analysis result of the damaged part or the like. Extraction becomes possible.

  Further, according to the second embodiment, chemical components are stored in advance for a plurality of components in the component-specific material spec setting memory 34 of the controller 100, and the chemical components of the constituent materials of the components are analyzed by the chemical component analyzing means 30. The analysis value of the chemical component is input to the controller 100. In the controller 100, the analysis value of the chemical component input from the chemical component analysis means 30 and the component-specific chemical component in the component-specific material spec setting memory 34 are input. Since a part having a chemical component corresponding to the chemical component analysis value is extracted from the component-specific material spec setting memory 34 by comparing the chemical component analysis value, the chemical component analysis value of the metal powder mixed in the lubricating oil is used to It is possible to extract parts with chemical components that match the component analysis values, and quickly and accurately detect damaged parts in the product. It becomes possible.

  According to the present invention, it is possible to select a material standard that matches a chemical component and a required mechanical property of a component by a simple method, and the material classification is classified according to a category such as a use or a material of the component. Matching standard material classifications can be selected with a simple method to improve the efficiency of product design planning, and the corresponding material standards for the parts can be easily determined based on the results of chemical composition analysis on damaged parts. Extraction is possible, and it is possible to provide a material selection and chemical component determination system that can implement effective measures against damage accidents.

It is a control block diagram of the material selection system which concerns on 1st Example of this invention. It is a control block diagram of the chemical composition determination system of the material which concerns on 2nd Example of this invention. 3 is a comparison table between chemical components and material specifications in the first embodiment. 4 is a comparison table between mechanical properties and material specifications in the first embodiment. 7 is a comparison table of chemical components and part names in the second embodiment. 1 is an overall configuration diagram of a material selection system and a material chemical component determination system according to first and second embodiments of the present invention. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Required chemical component setting means 2 Required mechanical property setting means 3 Required material classification setting means 4 Chemical component input means 5 Mechanical property input means 6 Material component standard memory 7 Chemical component / material standard comparison part 8 Mechanical property standard memory 9 Mechanical property / material standard comparison unit 10 Applicable standard presence / absence determination unit 11 Applicable standard presence / absence determination unit 12 Chemical component search value change unit 13 Mechanical property search value change unit 14 Material classification input unit 15 Material classification / standard material standard comparison unit 16 Standard material classification memory 17 Corresponding material classification determination unit 18 Material classification search value changing unit 20 Display device 30 Chemical component analysis unit 31 Chemical component analysis value input unit 32 Material component standard memory 33 Component analysis value / material standard comparison unit 34 Material by part Specification setting memory 35 Component analysis value / part specification comparison unit 36 Applicable standard presence / absence determination unit 37 Applicable unit Extraction unit 100 controller (material search system)

Claims (14)

  A method for selecting a material based on a chemical component that extracts a material standard adapted to the required chemical component of the material, wherein the material standard for each chemical component is stored in advance in a material component standard memory for a plurality of materials, and the required chemical component A material selection method, wherein a material standard of a corresponding chemical component is searched in the material component standard memory, and a material standard of a chemical component corresponding to the required chemical component is extracted.   When the material standard of the chemical component corresponding to the required chemical component is not extracted by the search, the search range of the required chemical component is changed based on the search result, and the required chemical component is changed using the changed value of the required chemical component. The material standard of the chemical component corresponding to the changed chemical value is searched in the material component standard memory, and the material standard of the chemical component corresponding to the required chemical component changed value is extracted. The material selection method according to claim 1, wherein the material selection method is repeated until it is done.   This is a material selection method based on mechanical properties that extracts material specifications that adapt to the required mechanical properties of materials, and for each of a plurality of materials, material standard values and experimental data for each mechanical property are stored in a mechanical property standard memory. The mechanical property material standard corresponding to the required mechanical property is searched in the mechanical property standard memory, and the material standard of the mechanical property corresponding to the required mechanical property is extracted. Material selection method.   When the material standard of the mechanical property corresponding to the required mechanical property is not extracted by the search, the search range of the required mechanical property is changed based on the search result, and the change value of the required mechanical property is used. The mechanical property material standard value and experimental data corresponding to the required mechanical property change value are searched in the mechanical property standard memory, and the mechanical property material standard corresponding to the required mechanical property change value is obtained. 4. The material selection method according to claim 3, wherein the extraction is repeated until a material standard having a required mechanical property is extracted.   This is a material selection method based on material classification that extracts material standards corresponding to material classification such as by use and material classification of materials applied to products. Is stored in the standard material standard memory, the standard material standard corresponding to the required material classification category is searched in the standard material standard memory, and the standard material standard corresponding to the required material classification category is extracted. Characteristic material selection method.   When the reference material standard corresponding to the required material classification category is not extracted by the search, the search range of the required material classification category is changed based on the search result, and the required material is changed using the changed value of the required material classification category. The standard material standard corresponding to the classification category change value is searched in the standard material standard memory, and the extraction of the standard material standard corresponding to the required material classification category change value is repeated until the required standard material standard is extracted. The material selection method according to claim 5. In a material selection system that extracts a material standard adapted to the required chemical composition of the material and a material standard adapted to the required mechanical properties of the material,
Required chemical component setting means for setting the required chemical component;
Requested mechanical property setting means for setting the required mechanical property;
The required chemical component setting means includes a material component standard memory for storing a material standard for each chemical component for a plurality of materials and a mechanical property standard memory for storing a material standard value and experimental data for each mechanical property for a plurality of materials. The material standard of the chemical component corresponding to the required chemical component input from is searched in the material component standard memory to extract the material standard of the chemical component corresponding to the required chemical component, and the required mechanical property setting A controller that searches the mechanical property standard memory for a material standard having a mechanical property corresponding to the required mechanical property input from the means, and extracts a material standard having a mechanical property corresponding to the required mechanical property; ,
A material selection system comprising display means for displaying extraction results of the chemical components and mechanical properties in the controller. A required material classification setting means for setting the required material classification is provided,
The controller includes a standard material standard memory for storing a material standard classified according to a certain standard such as use and material for a plurality of materials, and a standard material corresponding to a required material classification category inputted from the required material classification setting means The standard is configured to search the standard material standard memory and extract the standard material standard corresponding to the required material classification category,
The material selection system according to claim 7, wherein the display unit is configured to display an extraction result of the material classification in the controller. The controller includes a chemical component search value changing means for changing a search range of the requested chemical component based on the search result when a material standard of the chemical component corresponding to the requested chemical component is not extracted by the search, and requested by the search. A mechanical property search value change means for changing a search range of the required mechanical property based on the search result when a material standard corresponding to the mechanical property is not extracted; The material standard of the chemical component corresponding to the required chemical component change value is searched in the material component standard memory using the change value of the chemical component from Repeat the extraction until the material specifications for the required chemical components are extracted,
Using the mechanical property change value from the mechanical property search value changing means, a material standard of the mechanical property corresponding to the required mechanical property change value is searched in the mechanical property standard memory, and the required machine 8. The material selection system according to claim 7, wherein the material selection system is configured to repeat the extraction of the material standard of the mechanical property corresponding to the mechanical property change value until the material standard of the required mechanical property is extracted.   The controller comprises a material classification search value changing means for changing a search range of the required material classification based on the search result when a reference material standard corresponding to the required material classification is not extracted by the search, and the material classification search value Using the changed value of the required material classification from the changing means, the standard material standard corresponding to the required material classification changed value is searched in the standard material classification memory, and the standard material standard corresponding to the required material classification changed value is extracted. 9. The material selection system according to claim 8, wherein the material selection system is configured to repeat the process until a required reference material standard is extracted.   A material chemical component determination method for determining a material standard of the material based on an analysis result of a chemical component of the material, wherein the material standard for each chemical component is stored in advance in a material component standard memory for a plurality of materials, By analyzing the chemical component of the material and comparing the analysis value of the chemical component with the material standard of the chemical component in the material component standard memory, the material standard of the chemical component corresponding to the chemical component analysis value is determined. A method for determining a chemical component of a material, which is extracted from a standard memory.   In the material chemical component judgment system for judging the material standard of the material based on the analysis result of the chemical component of the material, the chemical component analysis means for analyzing the chemical component of the material and the material standard for each chemical component for a plurality of materials are stored. The chemical component analysis value is obtained by comparing the analysis value of the chemical component input from the chemical component analysis means with the material standard of the chemical component in the material component specification memory. And a controller for extracting a material standard of the chemical component to be extracted from the material component standard memory.   A method for determining a chemical component of a material for determining a component to which the material is applied based on an analysis result of a chemical component of the material, the chemical component being stored in advance in a component-specific material spec setting memory for a plurality of components, By analyzing the chemical component of the material and comparing the analysis value of this chemical component with the chemical component by component in the component-specific material specification setting memory, the component having the chemical component corresponding to the chemical component analysis value is determined as the component. A method for determining a chemical component of a material, wherein the material is extracted from another material specification setting memory.   In a chemical component determination system for a material that determines a component to which the material is applied based on an analysis result of the chemical component of the material, a chemical component analysis unit that analyzes the chemical component of the material, and a component that stores the chemical component for a plurality of components Having a separate material spec setting memory, the chemical component analysis value is obtained by comparing the analysis value of the chemical component input from the chemical component analysis means with the chemical component specific component in the component specific material spec setting memory. A system for determining a chemical component of a material, comprising: a controller that extracts a component having a corresponding chemical component from the component-specific material specification setting memory.

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