JP2000020557A - Design support system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To drastically reduce the time and labor required for design and to facilitate the system development and maintenance of a design support system by performing the design based on standardized design specifications and drawing specifications. SOLUTION: The design is performed by reading a design condition, referring to a design specification table in which standardized design specification data are stored and performing a processing by taking out required data from a reference value table 133 according to the design specification table by using a design core program 121 by a control part. In addition, automatic drawing of drawings is performed by reading design data from a design core part, referring to a drawing standard table 134 by using a drawing core program 122, deciding a drawing frame by using a drawing frame table of the drawing standard table and performing automatic arrangement of a numerical value, a name, etc., by using the drawing standard table by the control part. In addition, automatic drawing of plural drawings is performed by repetition of such procedures.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a design support system for designing and drawing products and machine parts based on standardized design specifications and drawing specifications.

[0002]

2. Description of the Related Art When designing and drawing a product or part, design conditions are input, and based on the design conditions, reference is made to design standard rules, automatic calculation, rounding of numerical values, etc. are performed in order, and the design is performed. The process of selecting a drawing frame with reference to the frame table, automatically transferring numerical values with reference to the drawing table, outputting the drawing data to the drawing device, etc., in order, and finally completing the drawing. Has become.

Conventionally, when performing such design and drawing,
Using a computer for each product or part, set the calculation formula for the design and the calculation procedure, perform the design based on the set calculation formula and procedure, and when the design is completed,
Based on the design contents, data for drawing is created, and finally, a drawing device is driven to perform drawing. In addition, since the number of products and parts to be drawn is many for one product or part, the work of designing and drawing is enormous.

[0004]

However, if the drawing is performed by setting the calculation formula for the design and the calculation procedure using a computer for each product or part as described above, the drawing is performed. Do this work for the number of products and parts,
In addition, the number of drawing operations must be equal to the number of drawings to be drawn, and there is a problem that enormous time and labor are required for designing. In addition, system development and maintenance for the design were extremely troublesome.

[0005] By the way, when designing products and parts,
In some cases, it is only necessary to change the numerical conditions given to the calculation formula using a common calculation formula or calculation procedure. In such a case, the formulas and calculation procedures are standardized and set, and if they are commonly used for the design of various products and parts, the calculation formulas and calculation procedures are set each time a product or part is designed. No more hassle.

The present invention has been made in view of such a point, and the inventions according to claims 1 and 2 determine standardized design specifications and drawing specifications for an object to be designed and determine the specifications of the object to be designed. Even if the specifications differ, the common parts are designed based on the standardized design specifications and drafting specifications, so that the time and effort spent on the design can be greatly reduced, and the system development can be significantly shortened. In addition, a design support system that facilitates design maintenance is provided.

Further, the invention according to claim 2 further provides a design support system which can easily cope with a change in design specifications to be standardized. further,
The first and second aspects of the present invention provide an evolving system function that can quickly and easily respond to changing needs.

[0008]

According to the first aspect of the present invention,
Input means for inputting various design conditions, and storage for storing standardized design specifications for design procedures, design data, various standard values, and standardized draft specifications for drafting procedures, draft data, drawing notation rules, etc. Equipment and
A design core function executing means for reading an appropriate standardized design specification from a storage device based on various design conditions input by the input means and performing a design process based on the design specification;
Display means for displaying information processed by the design core function execution means on a screen, and appropriate standardized drawing specifications are read from storage means based on the design information processed by the design core function execution means, and the drawing specifications A drawing core function executing means for performing a drawing process based on the drawing information; and a drawing means for drawing a drawing based on the drawing information processed by the drawing core function executing means.

According to a second aspect of the present invention, there is provided an input means for inputting various design conditions, and standardized design specifications and drawing procedures for design procedures, design data, various standard values, and the like.
A storage device that stores standardized drawing specifications for drawing data, drawing notation rules, and the like, and reads appropriate standardized design specifications from the storage device based on various design conditions input by input means, and reads the design specifications. A design core function executing means for performing a design process based on the design information, a display means for displaying information processed by the design core function executing means on a screen, and a special standardized design information processed by the design core function executing means. Specification changing means for changing based on the specification, a special processing file storing design information changed by the specification changing means, design information processed by the design core function executing means, or changed design information stored in the special processing file An appropriate standardized drawing specification is read from the storage means based on the drawing specification, and a drawing core function execution step for performing a drawing process based on the drawing specification is performed. When, in which a drawing means for drawing the drawing based on the drawing information this drawing core function executing means has processed.

[0010]

Embodiments of the present invention will be described with reference to the drawings. In this embodiment, design and drawing in the case where the object to be designed is a product or a part will be described. FIGS. 3 to 6 described in this embodiment are examples, and various combinations of execution, determination, and reference of a flowchart utilizing the present invention are conceivable.

In FIG. 1, reference numeral 1 denotes a control unit comprising a CPU (Central Processing Unit), 2 denotes an input device as an input means such as a keyboard and a mouse, and 3 denotes a display as a display means such as a liquid crystal display or a CRT. Reference numeral 4 denotes a drawing device as drawing means such as a plotter, and 5 denotes a printer. Reference numeral 6 denotes an internal memory such as a ROM (read only memory) or RAM (random access memory), and reference numeral 7 denotes an external memory such as a hard disk, a magneto-optical disk, or a CD-ROM.

The control unit 1 is electrically connected to the input device 2, the display device 3, the drawing device 4, the printer 5, the internal memory 6, and the external memory 7 by a bus line 8. An OS (Operating System) 9, an application development tool 10, and an application 1 for constructing a design support system are stored in the internal memory 6 as data.
1 and the like are stored. The application 11 includes a program 12 that manages core functions, standardized design specifications for design procedures, design data, various standard values, and standardized drafts for drafting procedures, drafting data, drawing notation rules, and the like. Various tables 1 constituting a storage device storing specifications
3 and a design database 14 are constructed.

The application 11 for constructing the design support system will be described in further detail. As shown in FIG. 2, as a program 12 for controlling a core function, a design core program 121 for performing design core function execution means together with the control unit 1 is provided. There is a drawing core program 122 which serves as a drawing core function executing means together with the control unit 1. As various tables 13, a design specification table 131 in which calculation methods and calculation procedures are set, and a design specification value table 132 in which specification value data is set. Value table 13 provided with
3. Drawing standard table 134 and drawing specification table 13
There are five. Also, a statement output program 1 which is controlled by the design core program 121 and controls the output of the statement
5. There is a special processing program 16 that is controlled by the design core program 121 and controls the processing of the special specification, and a special processing file 17 that stores data processed by the special processing program 16.

FIG. 3 is a flowchart showing the program control of the design support performed by the control unit 1 using the design core program 121 for constructing the design support system.
Then, the design conditions input from the input device 2 and displayed on the display device 3 are read, and the design specification table 131 is referred to in S2. Then, in S3, calculation is performed according to the design specification table 131. Design specification table 13
In 1, the calculation formula, the information of the standardized design specification,
Information such as a table to be referred to, a method of summarizing results, a method of searching for a common part, and an instruction of a calculation list are given.

Subsequently, in S4, the reference value table 133
With reference to the design standard value table 132, the calculation using the design standard value table 132 is performed in S5. Then, in S6, the hit chart and the list obtained by the calculation are output to the display device 3 to notify the operator.

In this state, the operator is required to judge the calculation result of the overall design, and then waits for an instruction as to whether the specification is the standard specification or the special specification.
At 7, the data is written out to the design database 14 and the design temporary file 18, and the process ends. If the instruction is a special specification, the standard specification is written to the special processing file 17 in S8, and the process proceeds to step S7.

FIG. 4 shows the control unit 1 using a drawing core program 122 for constructing the design support system.
Is a flowchart showing the program control of the plotting performed by S. First, S
At 11, data is read from the design temporary file 18, and at S12, the drawing specification table 135 is referenced. Then, in S13, a standard table to be used is determined.

Subsequently, in S14, the drawing standard table 1
Reference is made to the drawing standard table 13 in S15.
4 is performed. Then, in S16, CA
D drawing data is created and stored in the drawing temporary file 19 or output to the drawing device 4. The above process is repeated for the required number of plots, and when the repetition ends, the process ends.

FIG. 5 shows a design core program 121 in the application 11 for constructing the design support system.
FIG. 3 is a diagram for explaining a specific example of design support by using the input device 2 and the display device 3, and using the input number, the length,
When design conditions such as accuracy are input, the design core program 1
Reference numeral 21 denotes (1) reading of input design conditions, (2) referencing the design specification table 131, and (3) design specification table 131.
, (4) Calculation statement output, and (5) Special specification processing.

In the processing in accordance with the design specification table 131, for example, for the design of the 〇 × machine, necessary data is extracted from the design specification value table 132 based on the calculation procedure and calculation method of the design specification table 131 to perform the design. Is calculated. For example, when calculating the parallelism (L) of the rail, necessary data is extracted from the parallelism table 132a in the design standard value table 132, and for example, it is assumed that the length is 800 and the accuracy is PC. , L = ΔL ×
A calculation such as 0.001 = 22 (ΔL) × 0.001 = 0.022 is performed, and this is further rounded down to the last two digits to obtain L =
Processing such as 0.02 is performed.

As described above, in the design specification table 131, by giving information such as a calculation formula of weight and life time, a table to be referred to, and a method of summarizing the results, the control unit 1
Performs desired design processing based on the design core program 121.

Then, the data obtained by this processing is stored in the design database 14. The design database 14 stores data such as a parts table indicating the parent-child relationship of parts based on the obtained data, calculated numerical values and attributes, changed contents, common parts, and the like.

In the calculation report output, a calculation report in which data stored in the design database 14 is printed by the printer 5 is output by using a calculation report output program 15.
In the processing of the special specification, the specification changing means is configured to be performed when the specification change from the standard specification to the special specification is performed.

When the specification is changed to the special specification, the processing by the special processing program 20 is performed. For example, when the precision is changed from the standard precision PC to PX, the parallelism L is set to 0.
Perform processing such as changing from 02 to 0.04,
The result is stored in the special processing file 17. In this case, for example, item number = xxx, accuracy = PX, parallelism =
Data such as 0.04 is stored. The data stored in the special processing file 17 in this manner is used for processing by the drawing core program 122. The data processed by the design core program 121 is temporarily stored in the design temporary file 18.

FIG. 6 shows a drawing core program 122 in the application 11 for constructing the design support system.
The drawing core program 122 is a diagram for explaining a specific example of design support by (1) reading temporary information from a design core, (2) referring to a drawing standard table 134, (3) determining a drawing frame, The processing of (4) automatic arrangement of numerical values, names, and the like, and (5) automatic drawing of a plurality of drawings are sequentially performed according to the drawing specification table 135.

For reading information from the design core, information is read from the design temporary file 18 in the case of standard specifications. The determination of the drawing frame and the automatic arrangement of numerical values, names, and the like are performed by the drawing frame table 134a of the drawing standard table 134.
The automatic drawing process of the drawing is performed with reference to the drawing table 134b of the parallelism of the drawing standard table 134 and the like. The automatic drawing process for a plurality of drawings is performed by this repetitive operation.

By performing such processing, the drawing core program 122 creates a CAD drawing and outputs it to the drawing device 4. The parallelism (0.
02), the writing position (X, Y) and character size are specified in the drawing table 134b. The value of 0.02 is output as a CAD drawing as the standard value as the standard degree.

If there is a special process, the portion is corrected manually, and this correction is performed on the CAD, and the drawing is completed by semi-automatic processing using the special processing file 17.

In such a configuration, the design specification table 131 and the reference value table 133 store calculation formulas, standard values, design procedures, and design data based on standardized design specifications. Is designed based on standardized design specifications, the design change can be easily dealt with only by changing the design conditions input from the input device 2. Therefore, it is not necessary to set the calculation formula again, and the time and labor spent on the design can be greatly reduced. In addition, data common to a plurality of products and parts may be managed as one piece of standardized data, and maintenance is easy.

The design specification table 131 and the reference value table 133 store calculation formulas, standard values, design procedures, and design data based on standardized design specifications to deal with the design of various products and parts. Therefore, when designing a new product or part, it can be dealt with only by adding new data to the reference value table 133, and by adding new data to the reference value table 133 in this way, The system can evolve and evolve.

The drawing standard table 134 and the drawing specification table 135 store drawing procedures, drawing data, and drawing notation rules based on standardized drawing specifications. In addition, if the design is based on standardized design specifications, it is possible to easily deal with design changes.

When a standardized design specification is changed to a special specification, it can be easily changed by modifying the data created in the standard specification by designating the special specification. Can easily deal with changes in design specifications.

In this embodiment, the design and drawing of the product or part are described as the object to be designed as a product or part. However, the present invention is not necessarily limited to this. Estimation design, common / similar design, process The present invention can also be applied to design support for various objects to be designed, such as design, production part design, jig / tool design, inspection tool / jig design, work instruction design, and quality assurance design.

[0034]

According to the first and second aspects of the present invention, standardized design specifications and drafting specifications are determined for an object to be designed, and common parts are standardized even if specifications of an object to be designed are different. By performing the design based on the set design specifications and drawing specifications, it is possible to greatly reduce the time and effort spent for the design and the effort for the system development, and to provide a design support system that can easily maintain the design. Further, according to the second aspect of the present invention, it is possible to provide a design support system capable of easily coping with a change of a non-standardized design specification, that is, a specification to be standardized.

[Brief description of the drawings]

FIG. 1 is a block diagram of a hardware configuration showing an embodiment of the present invention.

FIG. 2 is an exemplary view for explaining an application configuration of the design support system according to the embodiment;

FIG. 3 is a flowchart showing program control of design support performed by the control unit of the embodiment using a design core program.

FIG. 4 is a flowchart showing a drawing program control performed by the control unit of the embodiment using a drawing core program.

FIG. 5 is an exemplary view for explaining a specific example of design support by a design core program according to the embodiment;

FIG. 6 is an exemplary view for explaining a specific example of drawing by the drawing core program in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Control part 2 ... Input device 3 ... Display device 4 ... Drawing device 5 ... Printer 6 ... Internal memory 11 ... Application of design support system 14 ... Design database 121 ... Design core program 122 ... Drawing core program 131 ... Design specification table 133 … Reference value table 134… Drawing standard table 135… Drawing specification table

Claims (2)

[Claims] An input means for inputting various design conditions, standardized design specifications for design procedures, design data, various standard values, etc., and standardized drawings for drawing procedures, drawing data, drawing notation rules, etc. A storage device for storing specifications, and a design core function executing means for reading out an appropriate standardized design specification from the storage device based on various design conditions input by the input means, and performing a design process based on the design specification And display means for displaying information processed by the design core function execution means on a screen, and reading out an appropriate standardized drawing specification from the storage means based on the design information processed by the design core function execution means, A drawing core function executing means for performing a drawing process based on the drawing specification; and a drawing based on the drawing information processed by the drawing core function executing means. A design support system comprising: 2. Input means for inputting various design conditions, standardized design specifications for design procedures, design data, various standard values, etc., and standardized drawings for drawing procedures, drawing data, drawing notation rules, etc. A storage device for storing specifications, and a design core function executing means for reading out an appropriate standardized design specification from the storage device based on various design conditions input by the input means, and performing a design process based on the design specification Display means for displaying the information processed by the design core function execution means on a screen, and specification change means for changing the design information processed by the design core function execution means based on a non-standardized special specification, A special processing file for storing the design information changed by the specification changing means, the design information processed by the design core function executing means, or the special processing file; A drawing core function executing means for reading an appropriate standardized drawing specification from the storage means based on the changed design information stored in the special processing file, and performing a drawing process based on the drawing specification, and a drawing core function executing means. A drawing support unit for drawing a drawing based on the processed drawing information.