JPH03257584A - Item check system - Google Patents

Abstract

PURPOSE:To facilitate a data file maintenance job by providing an item check table where the correspondence is secured among the product codes, the design data codes, and the estimation data codes and then carrying on repetitively the design and estimation of the products. CONSTITUTION:An item check table 3 uses the internal parts codes as keys in order to refer to the parts shape codes and parts No codes. These shape codes and No codes contain plural codes in accordance with the shapes, the materials, the colors, the prices, etc., of parts. A CAD program 2 refers to the table 3 to obtain the parts shape codes and the parts No codes. Then a parts graphic data file 4 is retrieved by the parts shape codes for extraction of the design data. Furthermore a parts data file 5 is retrieved by the parts No codes for extraction of the estimation data. Thus the file control is facilitat ed for updating of the data.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an item checking method, and particularly to an item checking method in which an item check table is applied to a CAD system.

[Conventional technology]

Generally, a CAD system can create a design document including a design drawing, but cannot create an estimate including a cost estimate. That is, the CAD system and the cost estimation system are independent systems. Therefore, in order to make a cost estimate after creating a design document using a CAD system, it is necessary to extract the bill of materials and the number of parts left and right from the design document file and create input data for the cost estimation system. Then, a cost estimate is made based on the input data.

However, in normal design work, cost estimation is a major design requirement, and if the estimated cost exceeds the target cost, redesign or design changes may be performed.

That is, when a CAD system and a cost estimation system are applied to design work that requires repetitive work, there is a drawback that each system must be executed while taking into account the transfer of data between independent systems.

Furthermore, when changing the design data or estimate data, it is necessary to change each data file, and there is a drawback that it is necessary to perform complicated data file maintenance work.

[Problem to be solved by the invention]

The problem to be solved by the present invention, that is, the purpose of the present invention is to provide an item check method that improves the above-mentioned drawbacks by providing an item check table that associates data from a conventional CAD system and an estimation system.

[Means to solve the problem]

The item check method of the present invention includes a design data file that stores design data used in product design, an estimate data file that stores estimate data used to estimate the cost of the product, and a product code that identifies the product. It has an item check table that associates a design data code that specifies the design data with an estimate data code that specifies the estimate data, and is configured to continuously and repeatedly execute the design and estimate of the product. .

Further, the item check method of the present invention is configured to include a component graphic data file including the design data and a component data file including the estimate data.

Furthermore, the item check method of the present invention is configured such that the design data and the estimate data are individually filed and maintained independently.

〔Example〕

Hereinafter, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the present invention. In the figure, the item check method consists of an input/output device 1 that inputs and outputs design data and estimate data, a CAD program 2 that includes design processing and estimate processing, and internal part codes, part shape codes, and part number codes unique to the product. It has an item check table 3 for associating parts with each other, a parts graphic data file 4 that stores part shape data, and a parts data file 5 that stores parts price data.

The item check table 3 can refer to the part shape code and part number code using the internal part code as a key. Note that there are a plurality of part shape codes and part number codes corresponding to the shape of the part, two colors of materials, two prices, etc.

The CAD program 2 refers to the item check table 3 mentioned above to obtain a part shape code and a part number code. Then, the part graphic data file 4 is searched using the part shape code to extract design data, and the part data file 5 is further searched using the part number code to extract estimate data.

FIG. 2(a) is an explanatory diagram showing the structure of the component graphic data file 4. In the figure, the component graphic data file 4 can refer to attribute data such as shape data using a component shape code as a key. Also, Figure 2(b)
1 is an explanatory diagram showing the structure of a parts data file 5. FIG. In the figure, a parts data file 5 can refer to attribute data such as price using a part number code as a key.

Figure 3 is a CAD using the above item checking method.
It is a flowchart showing the procedure of processing of the system. In the figure, first, the CAD program 2 inputs data indicating the specifications of the product to be designed and estimated, data indicating conditions for designing and estimating, etc. (step 11). Next, item check table 3 is used to determine the parts that make up the product.
is searched to obtain the part shape code and part number code (step 12).

Next, search the component graphic data file 4 using one of the component shape codes obtained in step 12 as a key,
The shape data of the parts is read and a design document including drawings is created (steps 13 and 14). Furthermore, search the parts data file 5 using one of the part number codes as a key,
Data regarding the price of parts is read and an estimate is created (steps 15 and 16).

The above estimate results are compared with the target cost, and if the estimate is satisfied, the job is completed; if the estimate is dissatisfied, a check is made to see if the parts data including the price can be changed. If it can be changed, the process moves to step 15 and the estimation process is performed again. If the part data cannot be changed, the process moves to step 13 and the design process is executed again (steps 17 and 18).

Note that the component graphic data file 4 and the component data file 5 are independent files. Therefore, it is possible to easily change or add design data and estimate data.

〔Effect of the invention〕

As explained above in detail, according to the item check method of the present invention, the item check table is used to maintain the relationship between design data and estimate data, so design work and estimate work can be executed continuously. However, it has the advantage of being able to be executed repeatedly.

Furthermore, since the design data file and the estimate data file can be configured as independent files, file management such as data updating becomes easier.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention, and FIG. 2 (
a) and (b) are explanatory diagrams showing the structure of a component graphic data file and a component data file, and FIG. 3 is a flow chart showing the processing procedure. 1... Input/output device, 2... CAD program, 3... Item check table, 4
...Parts graphic data file, 5...
...Parts data file.

Claims (1)

[Scope of Claims] 1. A design data file storing design data used for designing a product, an estimation data file storing estimation data used for cost estimation of the product, and a product code for identifying the product. An item characterized by having an item check table that associates a design data code that specifies the design data with an estimate data code that specifies the estimate data, and continuously and repeatedly executes the design and estimate of the product. Check method. 2. The item checking method according to claim 1, further comprising: a graphic data file containing the design data; and a parts data file containing the estimate data. 3. The item checking method according to claim 1 or 2, wherein the design data and the estimate data are each independently filed and maintained separately.