JP3770805B2 - CAD apparatus, CAD system, and component design method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a CAD apparatus, a CAD system, and a part design method, and more particularly, to a CAD apparatus and a CAD system that support design work using a personal computer or the like, and a part design method using these.
[0002]
[Prior art]
In recent years, CAD devices are widely used for designing various products. In product design using CAD equipment, part parameters are created based on experiments, calculation formulas, or experience, and these parameters are converted into figures on a display screen using a computer or the like to create a part design drawing. Is done.
[0003]
In the design of products using CAD devices, existing parts that are stored taking advantage of the characteristics that a large amount of design drawings can be stored in a database as graphic information and the stored graphic information can be easily edited A technique is widely used in which a blueprint is called from a database or the like, edited on a display screen, and completed as a blueprint for a new part. Such a method is, for example, on a display screen on which a design drawing is displayed by using a cut and paste operation (an operation for specifying a cell range, copying, moving, or pasting to another location) Necessary parts are added to the base design drawing.
[0004]
[Problems to be solved by the invention]
When completing a blueprint for a new part from the blueprint for an existing part as described above, a blueprint for a desired new part can be obtained without the above process information, but simply by diverting the blueprint for an existing part, There are cases where a new part is designed without knowing the design intention when the existing part is designed.
In addition, before creating the parameters of the parts, initially set the situation in which the product will be used and obtain process information, that is, information on how to proceed with the design work, in order to maintain a predetermined quality. Experiments and formulas are created using information, but the management of this information is interrupted due to the product remaining without design changes over a long period of time or when generations of designers are changed. There is.
[0005]
On the other hand, by the time a product is shipped to the market, a prototype is created based on a design drawing of a part created by a CAD device, and the verification test and design change of the manufactured prototype are repeated to solve problems. The product is completed while solving.
In addition, if an unexpected claim related to product quality occurs after the product is shipped to the market, the content of the claim is analyzed to identify the cause component, and the design drawing and process information of that part are searched. Analyze these and make appropriate changes.
However, even if the design drawings of the parts where the complaint occurred are stored, if there is no or insufficient process information indicating the design intention at the time of designing, it takes a long time to analyze the cause of the complaint, There is a risk that dealing with the complaint will be delayed or another complaint will be generated. In addition, the correspondence between the claim and the design often becomes unclear over time, and it becomes difficult to find the reason for the original design while performing the diversion design multiple times.
[0006]
Japanese Laid-Open Patent Publication No. 6-19691 discloses a system comprising a design process database describing design procedures and know-how, a design drawing editor for creating a design drawing, and a generation unit for creating the design drawing editor.
However, in the above publication, the correspondence between the blueprints and the design process is not clear, and information on complaints about product quality generated in the market is efficiently fed back to the design process, and the design process is modified and refined. There is no mention of what to do. In addition, no modification of the design process to the above claims is described.
[0007]
The present invention has been made in view of the above-described problems. A CAD device, a CAD system, and a component design that can transmit information related to a design process such as design intent and know-how and can easily obtain the information. It aims to provide a method.
[0008]
[Means for Solving the Problems]
  According to this invention, the design parameters of the partsDesign parameter calculation routine to calculateThe process information creation unit that creates design process information for each part and the process information creation unitCalculationA graphic creation unit for creating graphic information of the part using the designed design parameters, and a display unit for displaying the graphic information created by the graphic creation unit, wherein the design process information is related to at least one of the partsDesign parameter calculation routineAnd an identifier assigned to each part, and the display unit displays the part's graphic information and the part's graphic information.Design processInformationincludedA CAD device is provided that displays the identifier.
[0009]
  That is, in the present invention, when creating a design drawing based on graphic information, graphic information of a component displayed on the display unit and an identifier corresponding to the component are displayed together.Design parameter calculation routine andSo that the design intent of the above partsDesign processAnyone can know the information at any time, and the design and production can be efficiently performed by utilizing this information for the subsequent design and production. Also theseDesign processSo that information aboutDesign processBy using the information regarding the design, the design of the part is refined, and the quality of the part produced based on the design can be significantly improved.
[0010]
The component parameter in the present invention is information including a calculation formula for forming a figure of the component as a design drawing on the display screen of the display unit, dimension data to be substituted into the calculation formula, and the like. It is not limited.
The design process information in the present invention refers to a computer obtained by organizing and analyzing records of design work procedures (design process) performed by a designer on a daily basis regarding software / hardware design work in a design support system. Means information to be recorded and managed.
[0011]
In the present invention, the process information creation unit and the figure creation unit perform various data retrieval, processing, editing and program execution on the display screen of the display unit, and data transfer between the two or between databases. However, it can be realized by a microcomputer including a CPU, a ROM, a RAM, an I / O controller, and the like.
The display unit in the present invention means an input operation from the input operation unit and a display for visually expressing information by the operation of the program that drives each unit in accordance with the input operation, specifically, a CRT, LCD, PDP, etc. Etc. can be used.
The identifier in the present invention is preferably a code that can categorize parts or products using the parts succinctly and can systematically identify the parts or products when they are derived. Or a combination of these.
[0012]
The process information creation unit has a process information database for recording and managing the design process information for each part so as to be editable, and the graphic creation part records the graphic information for each part with an identifier so as to be editable. You may have the blueprint database to manage. According to this, since it is possible to edit the figure based on abundant information, that is, design, it is possible to read past design intentions from abundant design process information and design newly created design intentions. It can be accurately transmitted as process information.
In the present invention, the process information database and the design drawing database convert process information and graphic information such as diagrams, tables, and documents relating to design into a description format suitable for recording, management, and transfer, and create and edit each information. This means an information database having an editor function and the like, and is mainly composed of a rewritable recording device such as a hard disk.
[0013]
  The CAD device according to the present invention further includes a complaint information database that records and manages complaint information relating to the quality of each part so as to be editable for each part.,The content of the claim information and the number of complaints generated for each content of the claim informationWhenThe identifier may be stored in association with the identifier.This configurationAccording to the above, it is possible to easily check the occurrence state of the complaint, the complaint information related to the quality of the component and the design of the component are connected with the corresponding information, and the quality of the component is reflected by reflecting the complaint information in the design of the component. Can be significantly improved.
  Furthermore, the complaint information database indicates that the number of complaint occurrences stored in the complaint information database exceeds the preset number.Process information creation part and / or figure creation partNotifyThen, The display is,By adopting a configuration in which the parts associated with the notified complaint information are displayed so as to be identifiable, it is possible to immediately know that the design change is necessary and the parts that require the design change.
  In the present invention, the claim information database is provided inside the CAD device.IsIn addition to the above-described configuration, it may be configured as a device different from the CAD device, and may be configured as a CAD system connected to the CAD device via a network.
  Examples of the network in the present invention include a small-scale network such as a local area LAN, a public line, a dedicated line, or a wide area network (WAN) using wireless communication.
  By using such a network, the complaint information database can notify the CAD device that the number of complaint occurrences stored in the complaint information database exceeds the preset number of cases. Complaint responseTheIt can be done accurately and quickly.
[0014]
According to another aspect of the present invention, there is provided a component designing method using the CAD device, wherein the graphic information of a component recorded in a design drawing database is displayed on a display unit, and the component displayed on the display unit is displayed. The design process information associated with the identifier is called from the process information database, the design parameter of the part associated with the design process information is changed by the process information creation unit, and the figure is created using the changed design parameter of the part. The graphic information of the part is changed in the creation unit, the changed parameter and the design process information related to the parameter change are edited in the process information creation unit, and the edited design process information is associated with the identifier to process information. A component design method comprising a step of storing in a database is provided.
Such a part design method accurately transfers design process information related to the modification of parts when creating design drawings of new parts by diverting design changes and design drawings created in the past. It also makes it easy to obtain design process information.
[0015]
According to still another aspect of the present invention, in the parts design method using the CAD device, the number of complaint occurrences stored in the complaint information database exceeds a preset number. Is notified to the process information creation unit and / or the graphic creation unit, and the graphic information of the part with the identifier associated with the claim information is displayed on the display unit, and is associated with the identifier of the part displayed on the display unit. The design process information is called from the process information database, the design parameter of the part associated with the design process information is changed by the process information creation part, and the part of the part is created by the figure creation part using the changed part design parameter. Change design information and design parameters associated with changed parameters and parameter changes The scan information edited in the process information creation unit, component design method is provided for those comprising a step of storing the process information database in association with the identifier.
Such a part design method makes it possible to quickly and accurately respond to complaints in the design when a complaint about quality occurs in a part produced based on the created design drawing, and the quality of the part is markedly improved. Can be increased.
Further, the above part design method uses the CAD system of the present invention, and the CAD information apparatus uses the CAD device that the complaint information database has exceeded the preset number of complaint occurrences stored in the complaint information database via the network. This can also be realized in the same manner.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a CAD apparatus according to the present invention will be described with reference to FIGS. 1 to 8. However, the present invention is not limited to the embodiment.
[0017]
Embodiment 1
FIG. 1 is a functional block diagram showing an example of a design support system in the CAD apparatus 100 of the present invention.
The CAD device 100 includes a design process module processing unit 10 (process information creation unit), a design drawing processing unit 20 (graphic creation unit), a display unit 30 that displays processing contents in these processing units 10 and 20, and an input The unit 40 is mainly composed of a central processing unit (not shown) composed of a CPU or the like of a personal computer. The input unit 40 includes a pointing device such as a keyboard and a mouse indicating a position. The display unit 30 has at least one display, for example, a liquid crystal display (LCD) screen.
[0018]
The design process module processing unit 10 includes a design process module database 15 that stores design process information including design parameters of parts as design process module data 50 (hereinafter referred to as a design process module DB 15). Data processing unit 11 that searches design process module data 50 stored in the module DB 15 and data processing that processes part design parameters into information (for example, a computer language such as ISO standard STEP) that can be processed by the design drawing processing unit 20 Unit 12 and a module editing unit 13 that modifies and executes a program while displaying the design process module data 50 stored in the design process module DB 15 on the display unit 30.
Further, the design process module processing unit 10 has a data transfer control unit 19 for attaching an identifier described later to the design process module data 50 and transferring it to the design drawing processing unit 20 as design data.
[0019]
The design process module data 50 stored in the design process module DB 15 is made up of identifiers (a, b, c, d...) For identifying parts, a description of process information including design process identification codes and parameters described later. It consists of a design process module description part. A set of data to which the identifier constituting the design process module data 50 is attached is called a design process module (part history information).
The design process module description section includes, for example, a design parameter calculation routine 51 described in a computer language, a flow chart 52 of the design parameter calculation routine, and an accompanying document 53.
The flowchart 52 includes a program flowchart of the design parameter calculation routine 51 and a calculation flowchart in which design parameters are substituted.
In the design process module data 50, as described above, information related to the design process is described in digital information with an identifier, so that the search is easy and there is little misreading of information.
[0020]
The design drawing processing unit 20 has a design drawing database 25 (hereinafter, referred to as a design drawing DB 25) for storing a part design drawing as graphic data described in a computer language, and is stored in the design drawing DB 25. A data retrieval unit 21 that retrieves design data and a graphic creation unit 22 that generates a graphic based on information (for example, STEP data including a plurality of job steps) sent from the design process module processing unit 10 (for example, commercially available) Graphic generation program software) and a design drawing editing unit 23 for performing editing while displaying design data stored in the design drawing DB 25 as a design drawing on the display unit 30.
Further, the design drawing processing unit 20 includes a data transfer control unit 29 for transferring graphic data to which the identifier is assigned by the design process module processing unit 10 or the design drawing processing unit 20 to the design process module processing unit 10.
[0021]
The design drawing 80 displayed on the display unit 30 is assigned identifiers corresponding to the components (graphics 1 to 3). The identifier is attached to each part of the design drawing 80 (if there is one part, one is attached to the whole design drawing) and is displayed on the display screen of the display unit 30 by the input unit 40. By designating the identifier, the design process module data 50 of the part corresponding to the identifier or the product including the part can be displayed on the display unit 30 and edited.
In the design drawing 80, the display screen of the display unit 30 displays a plan view and a front view of a part with identifiers b, d, e, and f corresponding to the part. For example, the identifier b or d is input to the input unit. By designating with a cursor or the like using 40, the design process of the part corresponding to the identifier b or d can be displayed on the display unit 30, and the design drawing 80 of the displayed part can be edited.
[0022]
Further, by selecting a design process module from the design process module data 50 stored in the design process module DB 15 and executing the selected design process module on the display unit 30, the design parameter value of the selected design process module is selected. And the calculated design parameter value is processed into graphic data in a computer language such as STEP, and the graphic data is transferred to the graphic creating unit 22. 23 attaches an identifier of a corresponding identification code and automatically stores it in the design drawing DB 25 as design data.
[0023]
FIG. 2 shows a specific example of the design process module data 50 and the design drawing shown in FIG. In this example, a design procedure will be described using a product to be designed as a mold base mold.
The design process module data 50 includes an identifier 57, a design process identification code 58, a design parameter calculation routine 51 for calculating a design parameter, a flow routine 54 indicating the flow of the design parameter calculation routine 51, and related information 55. is described.
[0024]
When designing using the design process module data 50, the cabinet width W, the core height CO, and the cabinet height CA are input to the design parameter calculation routine 51, and the guide pin diameter D and the guide are taken into consideration in consideration of strength and cost. The pin length L is calculated.
In the design diagram 81 of the mold base mold displayed on the display unit 30, the guide pin # 5 is assigned the identifier b, and the guide pin diameter D and the guide are determined using the design parameter calculation routine 51 of the design process module data 50. The pin length L is calculated.
On the other hand, in the design drawing data 85 stored in the design drawing DB 25, graphic data (geometric data) which is a part of data for displaying the guide pin # 5 as a graphic is described. Is attached with an identifier (b, f, q) corresponding to the component or information related to the component.
[0025]
Next, a procedure for correcting and changing the design process module data 50 when a complaint occurs will be described.
For the guide pin # 5, using the design parameter calculation routine 51, for example, by giving a cavity width W = 550.0, a core height CO = 70.0, and a cavity height CA = 60.0, the guide pin diameter Each parameter value of D = 70.0 and guide pin length L = 100.0 is obtained. A design drawing of the guide pin # 5 was created based on the design process module data 50 including these parameters, and manufacture of the guide pin # 5 was started based on the created design drawing.
[0026]
After the mold base mold to which the manufactured guide pin # 5 is mounted is shipped to the mold factory, before the initial target quantity production of the molded product using the mold base mold, the strength of the molded product is increased. As a result of this problem, it was necessary to change the design process. In this case, various experiments and calculations are performed, and changes such as insertion of additional correction statements are made to the design parameter calculation routine 51.
In this example, the guide pin diameter D in the guide pin # 5 is changed from the initial 70.0 to 60.0. In addition, information such as an experiment related to the change can be described in the related information 55 of the design process module data 50.
Thereby, in the subsequent design calculation for the guide pin # 5, the calculation is performed using the calculation formula changed by the design parameter calculation routine 51.
[0027]
Embodiment 2
An example of complaint handling using the design support system of the CAD apparatus 100 will be described with reference to the flowchart of FIG.
In FIG. 3, the CAD apparatus 100 has a quality complaint database 60 as a complaint information database that records each part with an identifier added to the complaint information related to the quality of the parts manufactured based on the design process module data 50 ( Hereinafter, this is referred to as the quality complaint DB 60). The quality complaint DB 60 is connected to the design process module processing unit 10 and the design processing unit 20 via the network 65.
The quality complaint DB 60 includes a complaint storage unit that stores, for each component, the content of a complaint about the quality of a component and the number of complaints generated for each content of the complaint, and the number of complaints that the complaint storage unit stores in the complaint storage unit However, when the number of cases set in advance is exceeded, the content of the corresponding claim can be displayed on the display unit 30.
[0028]
A specific configuration and operation of the quality complaint DB 60 will be described with reference to FIG. In FIG. 3, a product is produced (101) based on the design (100) performed in the design department 121 by the design procedure described in the first embodiment (101) and shipped to the market (102). When a complaint concerning quality (hereinafter referred to as a complaint) occurs in the marketed product (103), the complaint enters the customer service department 122 or the like that processes the complaint from a customer or a dealer, and finally The design is changed in the design department 121.
[0029]
First, the customer service department 122 analyzes a complaint phenomenon using a service manual or the like, and specifies a part (or a unit including the part) related to the complaint and the cause of the complaint (104). Further, the part identification code of the part related to the complaint and the content of the complaint (claim data 61) are specified from the service manual (105).
Next, the complaint data 61 and the identification code are written in the quality complaint DB 60. Further, it is possible to read the complaint data 61 of the quality complaint DB 60 in which information relating to complaints that have occurred in the past is written (106).
[0030]
In the quality complaint DB 60, as the complaint data 61, for example, a product name and a part identification code are attached, and a summary of the complaint phenomenon and the number of occurrences are written. When there are a plurality of claim phenomena, they are written as claim phenomenon 1 and claim phenomenon 2.
Next, it is determined whether or not the same claim phenomenon has occurred in the past. If the same claim phenomenon has occurred, the number of occurrences is added to the occurrence number column of the claim data 61.
When the number of occurrences reaches a preset number or when it is determined that the part in which the complaint has occurred is a new product (107), a part identification code is sent to the design department 121 via the network 65. The attached claim data 61 is sent.
[0031]
In the design department 121, the design drawing data 85 corresponding to the claim data 61 is searched from the design drawing DB 25 based on the sent component identification code (110). Next, a design process module code indicating what purpose the design drawing is designed is read from the searched design drawing data 85 (111), and the corresponding design process is read from the design process module DB 15 of FIG. The module data 50 is searched and the corresponding data is read (112).
[0032]
Further, it is determined whether or not the design process of the part is designed not only by one item but by a plurality of design process modules 120 (113). Then, only the corresponding design process module is displayed on the display unit 30 (114).
In such a procedure, the corresponding design drawing data 85 and the design process module data 50 are retrieved, and the design process module data 50 is corrected (115) and the design drawing data 85 is corrected (116).
[0033]
In the next product design, the design department 121 designs a corresponding product using the modified design process module data 50 and the design drawing data 85 (100), and performs production 101 and market shipment 102. By repeating the series of claims handling operations described above, the design process module data 50 is refined by correcting defects, and the design and product quality are improved.
[0034]
Embodiment 3
An example of diversion design using the design support system of the CAD apparatus 100 will be described with reference to FIGS.
In this example, a procedure for designing a mold base mold will be described.
FIG. 4 shows an example of design process module data 50 in which process information of the mold base mold is described, and a design drawing 82 displayed on the display unit 30.
Here, a design drawing 3 of a new part is created by using the design drawings 1 and 2 of each part designed in the past. Note that the hardware configuration and basic program of the CAD device 100 are the same as those in the first and second embodiments, and thus the description thereof is omitted.
[0035]
FIG. 5 shows the details of the design drawings 1, 2, and 3 constituting the design drawing 82 described above.
In FIG. 5, the guide pin 206 of the C base mold design drawing 202 (design drawing 3) uses the guide pin 204 from the B base mold design drawing 201 (design drawing 2). The cavity part 205 of 3) is obtained by diverting the cavity part 207 from the A base mold design drawing 200 (design drawing 1).
In the above operation, a desired graphic is appropriately arranged by using a graphic editing command of the CAD device 100 using a selection command for a desired graphic and a copy command for copying the graphic to a place where the graphic is necessary.
In the above operation, the identifier c of the cavity part 203 attached to the figure of the design drawing 1 and the identifier e of the guide pin 204 attached to the figure of the design drawing 2 are copied to the new design drawing 3 ( The cavity part 205 and the guide pin 206) are automatically attached respectively.
[0036]
FIG. 6 shows position coordinates and dimension data on the design drawing of the guide pin 206 (FIG. 6a) and the cavity part 205 (FIG. 6b) diverted by manipulating the figure in FIG. 5 (actual dimension data is expressed by numerical values). However, in this example, it is expressed in English characters for convenience).
For example, in FIG. 6a, each dimension value constituting the guide pin 206 is obtained by adding (x1, y1) coordinate values to each dimension value of the guide pin 204 in the B base mold design drawing 201 of FIG. In the copied C base mold design drawing 202 of FIG. 5, the coordinate values of (x80, y81) are added to each dimension value of the guide pin 204.
[0037]
FIG. 7 shows the structure of the design drawing data 85 of the cavity part 205 and the guide pin 206.
In FIG. 7, the structure of the design drawing data 85 of the guide pin 204 on the B base mold design drawing 201 is shown in Table 90, and the structure of the design drawing data 85 of the cavity part 203 on the A base mold design drawing 200 is shown. Each is shown in Table 91. Table 92 shows the structure of the design drawing data 85 in a state where the above two parts are copied on the C base mold design drawing 202 to be newly designed.
[0038]
In Table 92, the shape identification code and the coordinate value are changed, but the original identifiers described in Table 90 and Table 91 are described in Table 92. Therefore, since the design process for the diverted part can be immediately known, it is possible to efficiently deal with a case where a design problem occurs and to change the design parameter. Even when the diversion design is repeatedly performed, the original identifier is attached to the shape data and inherited. Therefore, even when the designer changes, the design process can be known whenever necessary.
In addition, the identifier is inherited no matter how many times the diverted design is repeated, so that the design process can be clarified whenever necessary.
[0039]
FIG. 8 is a flowchart for explaining a series of operations for copying the design data 85 of the guide pins 204 on the B base mold design drawing 201 onto the C base mold design drawing 202.
First, the guide pin 204 of the part to be copied is selected with the mouse from the displayed B base mold design drawing 201 (step S1), and data related to the selected part is searched from the B base mold design drawing 201 and selected. A mark (not shown) is attached (step S2).
[0040]
Next, the movement destination on the C base mold design drawing 202 in the data of the guide pin 204 selected by the mouse is instructed (step S3), and the coordinates and shape of the new copy position are indicated in the copied guide pin 204 data. A number is written (step S4).
If no identifier is entered in the identifier column, the copied original design drawing name is entered (step S5).
Next, the copied data of the guide pin 204 is displayed on the display unit 30. Note that the copied guide pin 204 is referred to as a guide pin 206 in FIG. Copying of the data of the cabinet part 203 of the A base mold design drawing 200 is also performed based on the same operation as described above.
[0041]
In the above-described embodiment, information relating to the design process is registered as digital information, and since these are assigned identifiers, the search is easy, and there are few reading errors.
In addition, since the graphic data of the design drawing and the design process are clearly associated, the design process module routine is displayed by clicking on the displayed identifier, so that the design can be corrected quickly and reliably. Yes.
In addition, because the design process data is described in computer language, it is possible to easily capture the numerical values of experiments conducted to clarify the cause of defective parts in response to claims, and to prevent ambiguous expressions. Accurate design.
[0042]
【The invention's effect】
  In this invention, when creating a design drawing based on graphic information, graphic information of a component displayed on the display unitWhen,Identifier corresponding to the partWhenIs displayed together with this identifier as graphic information.Design parameter calculation routine andSo that the design intent of the above partsDesign processAnyone can know the information at any time, and the design and production can be efficiently performed by utilizing this information for the subsequent design and production. Also theseDesign processSo that information aboutDesign processBy using the information regarding the design, the design of the part is refined, and the quality of the part produced based on the design can be significantly improved.
  In particular, you can easily know the design process and make design changes even if you are diverting designs from previous generations.ConductCheap.
[0043]
When problems related to quality, performance, etc. occur in the market, factory, design site, etc., the design process or design intent of the design drawing can be easily understood, so it is easy to devise countermeasures for complaints, Can be done accurately.
In addition, the complaint data generated in the market and the quality defect data generated in the factory can be fed back to the design to improve the design quality and to accumulate the design know-how.
As described above, the design process or design intent can be easily transmitted as design process information, so that the quality in design and production can be significantly improved.
[Brief description of the drawings]
FIG. 1 is an apparatus block diagram for explaining a design support system in a CAD apparatus according to the present invention.
FIG. 2 is a view showing a data structure for explaining a design procedure performed using the CAD apparatus of FIG. 1;
FIG. 3 is a flowchart for explaining a complaint handling procedure performed using the CAD apparatus of FIG. 1;
4 is an apparatus block diagram for explaining a diversion design procedure performed using the CAD apparatus of FIG. 1;
FIG. 5 is a diagram for explaining an example of diversion design performed using the CAD apparatus apparatus of FIG. 4;
6 is a view showing the structure of a part used in the diversion design of FIG. 4;
7 is a diagram showing the structure of original graphic data diverted in the diversion design of FIG. 4 and newly created diversion graphic data.
FIG. 8 is a flowchart for explaining a series of operations for copying design data of a part on a newly created design drawing on the display screen.
[Explanation of symbols]
10 Design Process Module Processing Department (Process Information Creation Department)
15 Design Process Module DB (Process Information Database)
20 Blueprint Processing Unit (Figure Creation Unit)
25 Blueprint DB
30 Display section
40 Input section
50 Design process module data (design process information)
60 Quality Claim DB (Claim Information Database)
65 network
80 Blueprint
85 Blueprint data
100 CAD equipment

Claims (6)

A process information creation unit that creates design process information including a design parameter calculation routine that calculates design parameters for parts for each part, and a graphic creation that creates part graphic information using the design parameters calculated by the process information creation part And a display unit that displays graphic information created by the graphic creation unit,
The design process information includes at least one design parameter calculation routine related to the part, and an identifier assigned to each part;
A CAD device, wherein the display unit displays graphic information of a part and the identifier included in the design process information of the part.   The process information creation unit has a process information database for recording and managing the design process information for each part in an editable manner, and the graphic creation unit records the graphic information for each part in an editable manner with an identifier. The CAD device according to claim 1, comprising a design drawing database to be managed. The claim information about the quality of the components, further comprising a complaint information database can record and manage editing for each component, the complaint information database, for each component, and complaints incidence for each content of the content and claims information claim information The CAD device according to claim 1, wherein the identifier is stored in association with each other. Complaint information database, claim information notifies that complaints incidence stored in claims information database exceeds the number set in advance in the process information creation unit and / or the graphic creation unit Then, the display unit, which is the notification The CAD apparatus according to claim 3, wherein the parts associated with the are displayed so as to be distinguishable.   A component design method using the CAD device according to claim 2, wherein graphic information of a component recorded in a design drawing database is displayed on a display unit, and is associated with an identifier of the component displayed on the display unit. Design process information is called from the process information database, the design parameter of the part associated with the design process information is changed in the process information creation unit, and the figure of the part is created in the figure creation unit using the changed design parameter of the part A step of changing the information, editing the changed parameter and the design process information related to the parameter change by the process information creation unit, and storing the edited design process information in the process information database in association with the identifier. A component design method.   A part design method using the CAD device according to claim 3, wherein the complaint information database indicates that the number of complaint occurrences stored in the complaint information database exceeds a preset number, Alternatively, the graphic creation part is notified and the graphic information of the part with the identifier associated with the claim information is displayed on the display part, and the design process information associated with the part identifier displayed on the display part is processed. Called from the information database, changed the design parameter of the part associated with the design process information in the process information creation unit, changed the graphic information of the part in the graphic creation unit using the changed design parameter of the part, Changed parameters and design process information related to parameter changes Edited in parts, part design method these comprising a step of storing the process information database in association with the identifier.

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