JPH09305665A - Parts cost estimation device - Google Patents

Abstract

(57) [Abstract] [Problem] To select a processing method from each data of the estimated parts, to detect the change of the estimated parts for all possible processing methods and for each supplier, and rewrite it to the latest one. Request a cost estimate. A data acquisition unit 2 acquires each data from an estimated part created by a three-dimensional model design unit 1. The machining method discriminating means 6 discriminates from the acquired data and the machining method discrimination database 4 ', and the cost estimate of the optimum machining method is obtained. Further, the cost estimate of the estimated parts can be calculated by the calculating means 11 using the unique data for each supplier, and a plurality of supplier can be compared and selected. The model change detection means 3 detects the design change of the estimated parts, acquires each data of the estimated parts again, and if there is no change in the processing conditions, the cost is estimated again under the previous processing conditions. The result output means 12 'creates the result in a fixed format and outputs it by the display device 12a or the printer device 12b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component cost estimation device used for assisting cost estimation of a designed component in designing a mechanical component.

[0002]

2. Description of the Related Art A conventional component cost estimation device of this type is
There are known a cost calculation device for a resin molded product described in JP-A-6-259518, a cost estimation method for a sheet metal product described in JP-A-7-282142, and the device.
These component cost estimation devices first investigate the processing method of the product, use the component cost estimation device that is suitable for the processing method, and use a database that describes standard data prepared in advance such as material-to-unit price and man-hours. Cost estimation is performed by applying the information entered in the parts drawing and the manually input information such as the processing information. If the design was changed, model data, processing conditions, etc. were acquired again and the cost was estimated again.

[0003]

However, in the component cost estimation device having such a configuration, it is necessary to confirm the processing method when the operator who estimates the cost and the designer are different. In addition, since there are only standard data in various databases required for calculation, there is a problem that it is not possible to flexibly deal with different data depending on the ordering party. Further, every time the component model is changed, the component information has to be acquired again, and the manual input information such as the processing conditions has to be input again from the beginning, which is troublesome.

The present invention solves the above-mentioned problems of the prior art by selecting a possible machining method from each data of a three-dimensional model part and obtaining a cost estimate, and by selecting all possible machining methods and orderers. The cost estimate can be obtained, and the cost estimate result is updated to the latest one in real time in response to the model change, and the same condition is used for the same machining condition unless the condition is changed, and unnecessary input is performed. It is an object of the present invention to provide a component cost estimation device that saves money.

[0005]

In order to achieve this object, a parts cost estimation apparatus according to the present invention is created by a three-dimensional model design means for designing a three-dimensional model part and a three-dimensional model design means. A data acquisition means for acquiring each data of the 3D model parts, a model change detection means for detecting the presence / absence of a shape change of the 3D model parts, and a database for processing method discrimination and parts for each processing method are held. Storage means, data retrieval means for retrieving data from each database of the storage means, processing method discrimination means for discriminating a processing method from each data from the data acquisition means and storage means, and each processing controlled from the outside. Control means for receiving various data inputs, a calculation means for calculating a cost estimate for each processing method, and an output means for generating a calculation result in a fixed format and outputting it to the outside. It is obtained by configured with.

According to the above construction, the data acquisition unit acquires each data such as the material and the shape from each data of the created three-dimensional model part, and the processing method determination unit determines the processing method from the acquired data and the data of the storage unit. , The cost estimate by the processing method is calculated, and these results can be output in a fixed format by the output means.

Further, it is possible to calculate a cost estimate for each orderer by using the unique data of the orderer-specific database stored in the storage means for each orderer to be processed, and to compare the cost estimates for a plurality of orderers.

When the three-dimensional model parts are changed,
The change is detected by the model change detecting means, each data of the three-dimensional model part is acquired again, the cost is estimated again under the previous processing conditions, and unnecessary input can be omitted.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a component cost estimation device according to an embodiment of the present invention. This embodiment exemplifies the calculation of the cost of a three-dimensional model component (hereinafter referred to as an estimated component) created by three-dimensional CAD.

In FIG. 1, reference numeral 1 designates an estimate part 3
Dimensional model design means, 1'is a parts library in which each data of estimated parts is registered, 2 is data acquisition means for acquiring data such as parts name, material name, wall thickness, shape, and size of estimated parts, 3 is an estimate Model change detection means 4 for detecting changes in parts 4 is a database 4'for processing method discrimination, a database 4a for resin parts, a database 4b for press parts, a database 4c for die cast parts, a database 4d for cutting parts, etc. Storage means for holding,
Reference numeral 5 is a data retrieval means for acquiring data from each database of the storage means 4, 6 is a processing method determination means for determining a processing method based on the data from the data acquisition means 2 and the storage means 4, and 7 is data control for controlling each processing. Means, 8 is a keyboard for inputting information such as processing conditions that are insufficient for data acquisition, 9 is key data acquisition means for acquiring the information input from the keyboard 8, and 10 is a memory for storing the data acquired by the data control means 7. , 11 are various calculation means such as a calculation means 11a for resin parts, a calculation means 11b for press parts, a calculation means 11c for die cast parts, a calculation means 11d for cutting parts and the like for each processing method, and 12 is a constant calculation result. It is an output means for outputting the result of the result output means 12 'created in the format by the display device 12a or the printer device 12b.

FIG. 2 is a flow chart showing the operation of this embodiment. FIG. 3 is a diagram showing an example of the order selection screen according to the present embodiment.

Next, in the operation of the embodiment configured as described above, first, from the parts library 1'of the estimated parts created by the three-dimensional model design means 1, the data acquisition means 2 is used to determine each material, shape, etc. The data is acquired, the acquired data and the processing method judgment database 4'of the storage means 4 are used for judgment by the processing method judgment means 6, and a plurality of possible processing methods are compared and examined to select the optimum processing method. Further, using the unique data stored in the storage means 4 for each supplier to be processed, the cost estimate of the estimated parts for each supplier is calculated by the calculating means 11
The cost estimates of a plurality of suppliers can be compared with each other. Further, when the design of the estimated parts is changed, the model change detecting means 3 detects the change, acquires each data of the estimated parts again, and re-estimates the cost under the previous processing conditions. At this time, if the processing conditions are not changed, the same conditions can be used and unnecessary input can be omitted. These results are output means 12
The result output means 12 'prepares it in a fixed format and outputs it by the display device 12a or the printer device 12b.

The above operation will be further described with reference to the flowchart of FIG. First, the three-dimensional model design means 1 creates a three-dimensional CAD estimate part (S1).
Next, the data acquisition means 2 acquires each data such as the part name, material name, wall thickness, shape, and size of the estimated part from the part library 1 '(S2). By the data retrieval means 5 from the processing method discrimination database 4'stored in the storage means 4,
Search based on the acquired data and import the data (S3),
From the data, the machining method discriminating means 6 discriminates a machining method suitable for the machining determination condition (S4). Further, the necessary data corresponding to various processing methods are acquired again through the data retrieval means 5, and information such as processing conditions that are insufficient for acquiring data from the estimated parts is input from the keyboard 8 to import key data. The data is acquired by the means 9 and the acquired data is stored in the memory 10 by the data control means 7 (S5). Next, from the data for each supplier in the database for each component registered in the storage means 4 for each processing method, the supplier selection screen as shown in FIG. 3 is used to select and determine which supplier to place the order.
(S6), the cost is estimated by the calculating means 11 for each construction method (S7). The output means 12 outputs the result obtained by the operation means 11 for each construction method to the display device 12a or the printer device 12b in a fixed format created by the result output means 12 '(S8).

Next, in the estimation operation, it is determined whether to re-estimate the cost or to end it. If the re-cost is estimated to be No, the process proceeds to S10. If the result is Yes, the process to S11 is performed (S9). . When performing re-cost estimation in the process of S9,
The processing method to be changed is selected from the keyboard 8 through the key data fetching means 9, and the processing after S4 is performed according to the selected processing method. Further, if the processing method is the same, only the processing condition to be changed which is selected last time is input, the processing from S5 is performed, and the cost estimation operation is repeated (S10).

When the processing is finished in S9, each data of the estimated parts such as shape data and the input information such as the processing method and the processing conditions are registered in the parts library 1'with the three-dimensional model data, and the cost estimation work is performed. Ends (S1
1).

Next, when the design change of the estimated part created by the three-dimensional CAD is performed, when the cost estimate of the estimated part is estimated, the model change detecting means 3 always determines whether or not the design change is made. The data is monitored (S12), and when a change is made, the model change detection unit 3 notifies the data control unit 7, and a data acquisition request for the estimated parts is issued to the data acquisition unit 2 to acquire each data of the estimated parts (S13). ). In the process of S13, if the part name (processing method or condition) acquired by Yes has been changed, the process from S3 is performed, and if the same part name is No, the estimate stored in the memory 10 Each data of the parts is rewritten and the processing from S7 is performed (S14).

As described above, according to the present embodiment, cost estimates can be compared for each of a plurality of ordering parties in selecting the optimum processing method, and the same setting input can be made even when the estimated parts are changed. Cost estimation can be performed without repetition.

[0018]

As described above, according to the present invention,
The processing method can be determined and selected based on each data of the estimated parts, and the cost estimate can be obtained by the optimum processing method.

Further, since the cost can be estimated by using the unique data for each ordering party for making parts, the optimum ordering party can be selected.

Further, since the design change of the estimated parts is detected and each data of the estimated parts is acquired, the cost estimate can always be obtained using the latest information, and a new cost estimate setting input can be made for the changed parts. No work will occur.

Further, since each data for each processing method and each ordering party can be collectively managed, duplicate data can be eliminated and maintainability can be improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a component cost estimation device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an operation in the present embodiment.

FIG. 3 is a diagram showing an example of an order selection screen according to the present embodiment.

[Explanation of symbols]

1 ... 3D model design means, 1 '... parts library,
2 ... data acquisition means, 3 ... model change detection means, 4
... storage means, 4 '... database for processing method discrimination,
4a ... Database for resin parts, 4b ... Database for pressed parts, 4c ... Database for die cast parts,
4d ... Cutting part database, 5 ... Data search means, 6 ... Machining method discrimination means, 7 ... Data control means,
8 ... Keyboard, 9 ... Key data importing means, 10 ...
Memory, 11 ... Calculation means, 11a ... Resin parts calculation means, 11b ... Press parts calculation means, 11c ... Die cast parts calculation means, 11d ... Cutting parts calculation means, 12
... output means, 12 '... result output means, 12a ... display device, 12b ... printer device.

Claims (3)

[Claims] 1. A three-dimensional model design means for designing a three-dimensional model part, a data acquisition means for acquiring each data of the three-dimensional model part created by the three-dimensional model design means, and the three-dimensional model. Model change detection means for detecting the presence or absence of shape change of parts, storage means for processing method discrimination and holding a database for parts of each processing method, and data search means for searching data from each database of the storage means A machining method discriminating means for discriminating a machining method based on each data from the data acquisition means and the storage means, a control means for controlling each processing and receiving various data inputs from the outside, and a cost estimate for each machining method. A component cost estimation apparatus comprising: a calculation unit that calculates the calculation result and an output unit that creates a calculation result in a fixed format and outputs the calculation result to the outside. 2. The parts database of each processing method stored in the storage means has data such as man-hours, rates, machine capabilities, and defect rates, which are unique data for each processing ordering party, and the cost for each ordering party. Claim 1 characterized by seeking a quote.
The parts cost estimation device described. 3. When the three-dimensional model part is changed by the three-dimensional model designing means, the model change detecting means detects the change and again acquires each data of the three-dimensional model part and sets it as a destination. 2. The parts cost estimation device according to claim 1, wherein a recost estimation is obtained according to conditions.