JP2002149721A - Manufacturing method and design supporting method for article, and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To generate a measuring program in a short time. SOLUTION: A three-dimensional CAD device 1 reads a measuring procedure table 8, a tolerance information table 9, and a measuring condition table 10, reads respective function elements arranged on the external shape 2 of a three- dimensional CAD model for a product which is generated by operator's operation, and generates function element list data 11 from them, reads measuring procedure data, tolerance information data, and measuring condition data according to the function element list data 11 to generate attributes data 12 for measurement composed of the read data. A three-dimensional CAT device 1 receives the three-dimensional shape data and attributes data 12 for measurement from the three-dimensional CAD device 1 and generates a measuring program according to those three-dimensional shape data and attributes data 12 for measurement.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article manufacturing method, an article design support method, and a storage medium for manufacturing a machined part such as a mold, a resin molded article, and the like.

[0002]

2. Description of the Related Art As a method of creating a measurement program for automatically measuring an object to be measured by a three-dimensional measuring machine, the first measurement is manually performed, and the measurement procedure is stored as a log file to store the measurement program. There is a way to create In this method, it takes a long time to create a measurement program, and it is not possible to set a tolerance for judging a pass / fail from a measurement result.

As described above, in order to create a measurement program for automatically measuring an object to be measured by a three-dimensional measuring machine, a measurement program is created while specifying a measurement position, a measurement order, a tolerance, and a measurement condition of the object to be measured. There is a need to.

FIG. 16 is a diagram showing a procedure for creating such a measurement program. This measurement program shows, for example, an example in which a cylindrical boss (Boss) shown in FIG. 17 is arranged as a functional element on the outer shape of a product. This boss (Boss) has a cylinder (cyl1, cyl2) and a plane (Pln1) as each measurement element.

First, in step # 1, a boss (Boss)
, The measurement element cylinder (cyl1) is selected, the tolerance of the cylinder (cyl1) is set in the next step # 2, the measurement position of the cylinder (cyl1) is set in the next step # 3, and in the next step # 4 Set the measurement path for the cylinder (cyl1). Subsequently, in step # 5, the measurement element plane (Pln1) is selected from the boss (Boss), the tolerance of the plane (Pln1) is set in the next step # 6, and the measurement of the plane (Pln1) is performed in the next step # 7. The position is set, and in the next step # 8, the plane (Pl
Set the measurement path of n1). Further, in step # 9, the measurement element cylinder (cyl2) is selected from the boss (Boss), the tolerance of the cylinder (cyl2) is set in the next step # 10, and the cylinder (cy) is set in the next step # 11.
l2) The measurement position is set, and in the next step # 12, the measurement path of the cylinder (cyl2) is set.

[0006]

However, in the above-described method for creating a measurement program, since the tolerance, the measurement position, and the measurement path are individually determined and set for each measurement element, there are many operation procedures. It takes a long time to create a measurement program.

Accordingly, an object of the present invention is to provide a method of manufacturing an article, a method of supporting the design of an article, and a storage medium that facilitate creation of a measurement program.

[0008]

According to the first aspect of the present invention, there is provided a method of defining a basic shape of an article by three-dimensional model data, and a method of defining a basic shape of the article by using different three-dimensional model data provided in advance. Arranging an arbitrary element shape among the element shapes on the basic shape defined by the three-dimensional model data; and assigning the arbitrary element shape to the arbitrary element shape arranged on the basic shape in advance. A step of acquiring at least measurement conditions and tolerance information from the measurement attribute, and collecting measurement attribute data for the arbitrary element shape separately from the three-dimensional model data; and And a step of creating a program of a measuring device for performing measurement on the article.

According to a second aspect of the present invention, an arbitrary element shape among a plurality of element shapes defined by different three-dimensional model data given in advance is converted to a basic shape defined by the three-dimensional model data. After arranging, at least the measurement content and tolerance information are acquired from the measurement attributes pre-assigned to the arbitrary element shape arranged on the basic shape, and the A method for supporting design of an article, comprising a step of collecting attribute data for measurement separately from the three-dimensional model data.

According to a third aspect of the present invention, an arbitrary element shape among a plurality of element shapes defined by different three-dimensional model data given in advance is determined on the basic shape defined by the three-dimensional model data. After arranging, at least the measurement content and tolerance information are acquired from the measurement attributes pre-assigned to the arbitrary element shape arranged on the basic shape, and the A storage medium storing a product design support program, characterized by comprising means for collecting measurement attribute data separately from the three-dimensional model data.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall configuration diagram of a three-dimensional measuring machine to which the article manufacturing method and article design support method of the present invention are applied. 3D CAD (computer aided design) device 1
By the operation of the operator, for example, as shown in FIG. 2, the outer shape 2 of a product (measurement object) such as a machined part such as a mold or a resin-molded product is measured.
A boss (Bo) as shown in FIG.
ss1-1, Boss1-2, Boss1-3) and three-dimensional C in which ribs (Rib1-1, Rib1-2, Rib1-3) as shown in FIG. 3 are arranged.
It has a function of creating an AD model (three-dimensional shape data).

Each functional element defines a measuring element used for verifying the outer shape of the functional element. For example, the bosses (Boss1-1, Boss1-2, Boss1-3) are shown in FIG.
Cylinder (cyl1, cyl2) as each measurement element as shown in
And a plane (Pln1), and ribs (Rib1-1, Rib1-2,
Rib1-3) has planes (Pln1, Pln2, Pln3, Pln4, Pln5) as each measurement element as shown in FIG.

The three-dimensional CAD apparatus 1 includes an arithmetic processing unit 3 including a CPU and a program memory, a keyboard 4 and a mouse 5 connected to the arithmetic processing unit 3,
It comprises a monitor device 6 and a storage disk 7.

The storage disk 7 has various functional elements of the product,
That is, the boss (Boss1, Boss2, Boss3, ...) and the rib (R
ib1, Rib2, Rib3,...), a measurement procedure table 8 for creating a measurement program, and a tolerance information table 9
The measurement condition table 10 and the like are registered in advance as the measurement program creation information 7a.

The storage disk 7 has bosses (Boss1-1, Boss1-2, Boss1-3) and ribs (Rib
1-1, Rib1-2, Rib1-3) are stored as the functional element library 7b in association with the functional element names. The shapes such as the diameter and height of these functional elements are set parametrically with a predetermined similarity ratio, and can be redefined to arbitrary dimensions.

FIG. 4 is a schematic diagram of the measurement procedure table 8. In this measurement procedure table 8, each functional element boss Boss
The measurement content and procedure for the measurement element are registered for each of 1, Boss2, rib Rib1, Rib2,. For example, Boss1
If, Cyl1 _- R (* 2), Pln1, and Cyl2 are registered in this order as the measurement procedure. Note that _R is interpreted as requiring movement of the origin from the measurement tool.

FIG. 5 is a schematic diagram of the tolerance information table 9. This tolerance information table 9 is provided for each functional element boss Boss.
1, Boss2, rib Rib1, Rib2, ..., tolerance symbol for each,
For example, if it is a boss Boss1, Cyl1 _- Dia (diameter), Cyl1 _- Or
g (distance from the origin), Pln1 _- Org, and Cyl2 _- Dia are registered, and tolerance conversion instruction data is registered for each of these tolerance symbols. These tolerance conversion instruction data are, for example,
CYL1 _- ± 0.05 is registered for Dia, CYL1 _- parameter T1 is registered against Org, pLN1 _- ± respect Org
0.1 is registered, and ± 0.07 is registered for Cyl2 _- Dia. In the measurement content Pln2_Pln3_Dst assigned to φRib1 shown in FIG. 5, Dst is interpreted as requiring measurement of a dimension between two elements.

These tolerance conversion instruction data use a constant value tolerance shown in FIG. 6, a proportional tolerance shown in FIG. 7, and a tolerance conversion table shown in FIG. The constant value tolerance shown in FIG. 6 is a constant tolerance with respect to the dimension value. The proportional tolerance shown in FIG. 7 is a tolerance that is proportional to the dimension value. For example, if ± 0.05 + 0.0005 * P, the dimension value is changed from the tolerance 0.05 when the dimension value is 0 to 0.05. The tolerance increases in proportion to the increase. Note that P is a dimension value. The tolerance conversion table shown in FIG. 8 uses a tolerance of ± 0.1 for dimension values up to 5, uses a tolerance of ± 0.15 for dimension values in the range of 5 to 20, and uses a tolerance of ± 0.15 for dimension values in the range of 20 to 100. It is a table that uses ± 0.2.

[0020] Thus, the boss Boss1 registered in the tolerance information table 9 CYL1 _- Dia Tolerance ± 0.05 in, pLN1 _- Org
Tolerance ± 0.1 in, CYL2 _- tolerance ± 0.07 of Dia represents a constant value tolerances, CYL1 _- tolerance T1 of Org represents the use of tolerance conversion table. Further, ± 0.05 + 0.0005 * P of Pln5 _- Org of the rib Rib1 indicates a proportional tolerance.

FIG. 9 is a schematic diagram of the measurement condition table 10.
You. The measurement condition table 10 includes a function element boss Boss
1, Boss2, Rib1, Rib2, ..., each measurement element (Cy
l1, Cyl2, Pln1, etc.)
You. For example, 0 .0 from the top position for cyl1 of Boss1.
5 -0.5 indicating downward_-top registered and medium for Pln1
Center indicating the central position is registered, and from the bottom for cyl2
+0.3 indicating 0.3 above _-btm is registered.

The measurement condition table 10 can set information such as an approach distance and a retract distance at the time of measurement in addition to the information on the measurement position.

The three-dimensional CAD apparatus 1 reads out the measurement procedure table 8, the tolerance information table 9 and the measurement condition table 10 registered in the magnetic disk 7, and stores them in a temporary memory, and is created by an operation of an operator. The function element list data 11 shown in FIG. 10 is created based on the function element names of the respective function elements arranged on the external shape 2 of the three-dimensional CAD model of the product.
1 has a function of reading out measurement procedure data, tolerance information data, and measurement condition data and creating measurement attribute data 12 shown in FIG. The functional element list data 11 shown in FIG.
Boss1-1, Rib1-1, R placed on the external shape 2 of the model
It lists ib1-2, Boss1-2,…, etc. The measurement attribute data 12 shown in FIG. 11 is created by registering measurement procedure data, tolerance data, and measurement condition data according to the functional element list data shown in FIG.

3D CAT (Computer Aided Testin)
g) The device 13 receives the three-dimensional shape data and the measurement attribute data 12 created by the three-dimensional CAD device 1, and executes a predetermined application based on the three-dimensional shape data and the measurement attribute data 12. With the function of creating a measurement program by using
Arithmetic processing unit 14 composed of U, program memory, etc.
And a keyboard 15 connected to the arithmetic processing unit 14
And a mouse 16, a monitor device 17, and a storage disk 1.
It consists of eight.

The three-dimensional measuring machine 19 is a three-dimensional CAT device 1
3 has a function of receiving the measurement program created by step 3, executing the measurement program, and automatically measuring the product. The measurement device main body 20 measures the product, the CPU for controlling the operation of the measurement device main body 20, and the like. An arithmetic processing unit 21 comprising a program memory and the like;
1, a keyboard 22, a mouse 23, a monitor device 24, and a storage disk 25.

Next, the operation of the device configured as described above will be described.

The three-dimensional CAD apparatus 1 follows the procedure for creating each table shown in FIG. 12, and first, in step # 20, receives the operation of the operator and uses the outer shape 2 of the product as shown in FIG. Create as In the three-dimensional CAD apparatus 1, a work origin is set at the same time, and a coordinate system is set for the outer shape 2 of the created product.

Next, the three-dimensional CAD apparatus 1 executes step #
At 21, the measurement procedure table 8, the tolerance information table 9, and the measurement condition table 10 necessary for creating a measurement program are read from the storage disk 7 and stored in the memory.

Next, the three-dimensional CAD apparatus 1 executes step #
At 22, bosses (Boss1, Boss2, Boss3,...) Are obtained from the library of functional elements stored in the storage disk 7.
And the shape data (model) of each functional element such as a rib (Rib1, Rib2, Rib3,...) And the name of the functional element.

Next, the three-dimensional CAD apparatus 1 executes step #
At 23, the dimensions of the extracted functional elements are adjusted in response to the operation of the operator, and are arranged on the outer shape 2 of the product already created. When a predetermined function element is arranged on the external shape 2 of the product, a unique function element name is assigned to this function element. For example, Boss Boss1
Are sequentially arranged, each of the arranged Boss1
Are Boss1-1, Boss1-2, Boss1-3,…, Boss1-
Functional element names n, ... are given. 3D CAD
Apparatus 1 uses these bosses (Boss1-1, Boss1-2, Boss1-3)
Also, the coordinate position of the mounting reference such as ribs (Rib1-1, Rib1-2, Rib1-3) is known.

Next, the three-dimensional CAD apparatus 1 executes step #
24, the external shape 2 of the three-dimensional CAD model of the product
Each functional element placed above, ie, boss (Boss1-1, B
oss1-2, Boss1-3) or ribs (Rib1-1, Rib1-2, Rib1-
3) is read, and the functional element list data 11 shown in FIG. 10 is created from these bosses and ribs. The functional element list data 11 is listed in the order of, for example, Boss1-1, Rib1-1, Rib1-2, Boss1-2,.

Next, the three-dimensional CAD apparatus 1 executes step #
25, the external shape 2 of the three-dimensional CAD model of the product
Each functional element placed above, ie, boss (Boss1-1, B
oss1-2, Boss1-3) or ribs (Rib1-1, Rib1-2, Rib1-
3) Register the tolerance symbol and the tolerance value in the tolerance data.

This tolerance data registration processing is performed according to the tolerance data registration processing procedure shown in FIG. First, in step # 30, the three-dimensional CAD apparatus 1 reads the bosses (Boss1-1, Boss1-2, Bos1) arranged on the outer shape 2 of the three-dimensional CAD model of the product from the tolerance information table 9 shown in FIG.
ss1-3) and the tolerance symbols corresponding to the ribs (Rib1-1, Rib1-2, Rib1-3) and the tolerance information are read.

Next, the three-dimensional CAD apparatus 1 executes step #
In step 31, information (coordinates based on the workpiece origin) of dimensions and coordinate positions corresponding to measurement features set by tolerance symbols are read from the three-dimensional CAD model of the product.

Next, the three-dimensional CAD apparatus 1 executes step #
At 32, the type of the tolerance conversion data is determined from the content of the tolerance information, that is, whether it is a fixed value tolerance, a proportional tolerance or a tolerance conversion table, and the value of the tolerance is determined based on the type and size of the tolerance information and the distance from the work origin. I do.

When the type of the tolerance conversion data is determined in the tolerance information table 9, when the tolerance information table 9 is composed of only a number including a ± symbol, it is determined as a constant value tolerance, and is composed of a number including a ± symbol and * P. Is determined as a proportional tolerance, and if it is composed of a character string, it is determined as a tolerance conversion table.

[0037] Specifically, CYL1 boss Boss1 registered in the tolerance information table 9 _- Dia Tolerance ± 0.05 in, pLN1 _-
Org tolerance ± 0.1, Cyl2 _- Dia tolerance ± 0.07 are constant value tolerances, Cyl1 _- Org tolerance T1 is a parameter indicating a predetermined tolerance conversion table, and rib Rib1 Pln5 _- Org ±. 0.05 + 0.0005 * P is a proportional tolerance.

Next, the three-dimensional CAD apparatus 1 executes step #
At 33, the tolerance symbol and the tolerance value are registered as tolerance data as the measurement attribute data 12 shown in FIG. The tolerance data in the measurement attribute data 12 is as follows:
Boss1-1, R registered in the function element list data 11
In the order of ib1-1, Rib1-2, Boss1-2, ..., the measurement element, for example, Cyl1 _- Dia tolerance ± 0.05, Cyl1 _- Org tolerance ±
Registered every 0.1.

Next, the three-dimensional CAD apparatus 1 executes step #
At 34, it is determined whether or not the next tolerance symbol exists, and tolerance data is obtained for the tolerance symbols of all the functional elements existing in the three-dimensional CAD model of the product.
The process of registering the attribute data for measurement shown in (1) is repeated.

Next, in step # 26 shown in FIG. 12, the three-dimensional CAD apparatus 1 determines from the measurement procedure table 8 shown in FIG. 4 that the boss (Boss1- 1, the measurement procedure data corresponding to the ribs (Rib1-1, Rib1-2, Rib1-3) or the ribs (Rib1-1, Rib1-2, Rib1-3) is extracted and registered as the measurement attribute data shown in FIG. This measurement procedure data is also stored in Boss1-1, Rib1-1, Rib1-2, Boss1 registered in the function element list data 11.
-2,…, in that order, the measurement elements such as Cyl1 _- R, Pln1,
... is registered for each.

Next, the three-dimensional CAD apparatus 1 executes step #
At 27, from the measurement condition table 10 shown in FIG.
The measurement condition data corresponding to the model data of each functional element arranged on the outer shape 2 is extracted and registered as the measurement attribute data shown in FIG. This measurement condition data is also stored in Boss1-registered in the function element list data 11.
1, Rib1-1, Rib1-2, Boss1-2,..., Are registered for each measurement element, for example, Cyl1, Pln1,.

Next, the three-dimensional CAD apparatus 1 executes step #
At 28, the boss (Boss
1-1, Boss1-2, Boss1-3) or ribs (Rib1-1, Rib1-2, R
ib1-3) and the like, for example, adjust the dimensions of a boss (Boss1-2) and arrange it on the external shape 2 of a product already created.

This boss (Boss1-2) is used for the outer shape 2 of the product.
When placed above, the three-dimensional CAD apparatus 1 executes steps # 24 to # 27 again to determine whether the table is a constant value tolerance, a proportional tolerance, or a tolerance conversion table, and determines the type and size of the tolerance information and the size from the workpiece origin. The tolerance value is determined based on the distance, the tolerance data is obtained and registered, the measurement procedure data is read out from the measurement procedure table 8 shown in FIG. 4 and registered, and the measurement condition data is read from the measurement condition table 10 shown in FIG. Read and register.

Thus, all the functional elements, for example, bosses (Boss1-1, Boss1-2, Boss1-3) and ribs (Rib1-1, Rib1-1, Rs1-1)
When ib1-2, Rib1-3) and the like are arranged on the outer shape 2 of the product, a three-dimensional CAD model of the product as shown in FIG. 2 is created. And these functional elements, for example, boss (Boss1-
1, Boss1-2, Boss1-3) and ribs (Rib1-1, Rib1-2, Rib)
The attribute data for measurement 12 when 1-3) and the like are arranged on the outer shape 2 of the product is created as shown in FIG. The function element list data shown in FIG. 10 is attached to the measurement attribute data 12 shown in FIG.

When the measurement attribute data 12 is created in this way, the three-dimensional CAD device 1 transfers the measurement attribute data 12 and the three-dimensional CAD model of the product to the three-dimensional CAT device 13.

Next, an embodiment of the three-dimensional CAT device 13 of the present invention will be described.

The three-dimensional CAT device 13 creates a measurement program according to the processing procedure shown in FIG. That is, in step # 40, the three-dimensional CAT device 13 reads the measurement attribute data 12 and the three-dimensional CAD model created by the three-dimensional CAD device 1, respectively. Next, in step # 41, the operator determines whether to create a measurement program for the outer shape 2 of the product, that is, the basic shape.

As a result of this determination, if a measurement program is to be created, the three-dimensional CAT device 13 proceeds to step # 4
In step 2, the operator registers the attribute data for measurement relating to the basic shape of the product by the operation of the operator. By this registration work, the attribute data for measurement related to the outer shape 2 of this product is
For example, it is further updated from the measurement attribute data shown in FIG. 11 received from the three-dimensional CAD apparatus 1.

Next, in step # 43, the three-dimensional CAT device 13 edits the function element list data shown in FIG. 11 which is integrally attached to the measurement attribute data 12, for example, the order of the function element list. It is determined whether or not to change the measurement position of the functional element or the like.

As a result of this determination, if the function element list data is to be edited, the three-dimensional CAT device 13 proceeds to step # 44 where it receives an operation of the operator, for example, changes the order of the function element list, It changes the measurement position of the functional element, and adds or modifies the measurement element and contents.
For example, the measurement element Cyl2 of Boss1-1 of the measurement condition data in the measurement attribute data 12 shown in FIG. 11 is changed from “+ 3.0_btm” to “+ 2.0_btm (*) in the measurement condition table 10.
3), and Pln4 and Pln5 are also changed from “_0.5_top” to “_1.5_top” in the measurement condition table 10.

Next, in step # 45, the three-dimensional CAT device 13 executes a predetermined application on the basis of the three-dimensional shape data and the measurement attribute data 12 to create a measurement program. 46
3D measuring machine 19
Output to

A measuring program for operating the three-dimensional measuring machine 19 is, for example, a DMIS as shown in FIG.
(Dimentional Measuring Interface Standerd) This file is described in the language format. Note that DMI
The S language is a language originally developed for exchanging data between the CAD and the three-dimensional measuring machine 19.

However, the three-dimensional measuring machine 19
The measurement program created by the AT device 13 is received, and the measurement program is executed to automatically measure the product. For example, bosses (Boss1-1, Boss1-2, Boss1-2) provided on products such as machined parts such as dies and resin molded products
ss1-3) and ribs (Rib1-1, Rib1-2, Rib1-3) are measured.

As described above, in one embodiment,
The measurement procedure table 8, the tolerance information table 9 and the measurement condition table 10 are read out by the three-dimensional CAD apparatus 1, and each is read on the outer shape 2 of the three-dimensional CAD model expressing the basic shape of the product created by the operation of the operator. Functional element shape, for example, boss (Boss1-1, Boss1-2, Boss1-3)
After arranging the ribs (Rib1-1, Rib1-2, Rib1-3), the functional element list data 11
And measurement procedure data in which standard conditions are tabulated in accordance with the functional element list data 11,
Reads measurement attributes such as tolerance information data and measurement condition data, and associates these data with measurement attribute data 1
By creating 2, the measurer can perform the measurement reflecting the intention of the designer, and since the measurement conditions can be recorded simultaneously with the design, the man-hours for setting the conditions can be greatly reduced.

The three-dimensional CAT device 13 has a three-dimensional CA
3D shape data and measurement attribute data 12 from the D device 1
And a measurement program is created based on the three-dimensional shape data and the measurement attribute data 12.
There is no need to set tolerances, measurement positions, and measurement paths for each functional element, and almost no operation is required. For example, each functional element such as a boss is placed on the external shape 2 of the three-dimensional CAD model of the product. An NC program for measurement can be created in a short time only by arranging it. Therefore, the man-hour required for creating the measurement program can be greatly reduced.

The tolerance data is a measurement element of the functional element, for example, a cylinder (cyl1, cyl2) or a plane (Pln1).
Can be registered using a constant value tolerance, a proportional tolerance, or a tolerance conversion table, so that flexible tolerance setting can be performed as necessary.

Also, in the three-dimensional CAT device 13,
Edit processing such as registration of measurement attribute data with respect to the three-dimensional shape data created by the dimensional CAD apparatus 1, change of the order of the function element list with respect to the measurement attribute data 12, change of the measurement position of the function element, and the like are performed. it can. Therefore, according to the three-dimensional measuring machine 19 at the site, the three-dimensional CA
Since the attribute can be corrected to a preferable attribute by the T device 13, it is possible to flexibly cope with the equipment.

It should be noted that the present invention is not limited to the above-described embodiment, and that various modifications can be made in the implementation stage without departing from the scope of the invention.

Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent features. For example, even if some components are deleted from all the components shown in the embodiment, the problem described in the column of the problem to be solved by the invention can be solved, and the problem described in the column of the effect of the invention can be solved. In the case where a certain effect can be obtained, a configuration from which this configuration requirement is deleted can be extracted as an invention.

For example, in the above-described embodiment, the tolerance data, the measurement procedure data, and the measurement condition data are registered every time one functional element is arranged on the outer shape 2 of the product. However, the present invention is not limited to this. , And all functional elements in product outline shape 2
After being arranged above, the tolerance data, measurement procedure data, and measurement condition data for all the functional elements may be registered collectively.

[0061]

As described above in detail, according to the article manufacturing method, article design support method and storage medium of the present invention,
A measurement program can be created in a short time.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing an embodiment of a three-dimensional measuring machine to which an article manufacturing method and an article design support method of the present invention according to the present invention are applied.

FIG. 2 is a model diagram of three-dimensional shape data created in an embodiment of the present invention according to the present invention.

FIG. 3 is a model diagram of a rib that is one of the functional elements measured in one embodiment of the present invention according to the present invention.

FIG. 4 is a schematic diagram of a measurement procedure table according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of a tolerance information table according to the embodiment of the present invention;

FIG. 6 is a view showing a fixed value tolerance in one embodiment of the present invention according to the present invention.

FIG. 7 is a diagram showing a proportional tolerance in one embodiment of the present invention according to the present invention.

FIG. 8 is a diagram showing a tolerance conversion table according to the embodiment of the present invention.

FIG. 9 is a schematic diagram of a measurement condition table according to an embodiment of the present invention.

FIG. 10 is a schematic diagram of functional element list data according to an embodiment of the present invention.

FIG. 11 is a schematic diagram of measurement attribute data according to an embodiment of the present invention.

FIG. 12 is a diagram showing a procedure for creating each table of three-dimensional CAD according to the embodiment of the present invention.

FIG. 13 is a diagram showing a tolerance data registration processing procedure in one embodiment of the present invention according to the present invention.

FIG. 14 is a diagram showing a processing procedure of the three-dimensional CAM device according to the embodiment of the present invention.

FIG. 15 is a schematic diagram of a measurement program according to an embodiment of the present invention.

FIG. 16 is a diagram showing a procedure for creating a conventional measurement program.

FIG. 17 is a model diagram of a boss which is one of the functional elements.

[Explanation of symbols]

 1: three-dimensional CAD device 2: external shape 3: arithmetic processing device 4: keyboard 5: mouse 6: monitor device 7: storage disk 8: measurement procedure table 9: tolerance information table 10: measurement condition table 11: functional element list data 12: Measurement attribute data 13: 3D CAT device 14: Operation processing device 15: Keyboard 16: Mouse 17: Monitor device 18: Storage disk 19: 3D measuring device

Claims (3)

[Claims] 1. A step of defining a basic shape of an article by three-dimensional model data, and converting an arbitrary element shape among several element shapes defined by different given three-dimensional model data into three-dimensional model data. Arranging on the basic shape defined by model data; and acquiring at least measurement condition and tolerance information from measurement attributes pre-assigned to the arbitrary element shapes arranged on the basic shape. Then, a step of compiling the attribute data for measurement for the arbitrary element shape separately from the three-dimensional model data, and using the attribute data for measurement, create a program of a measuring device for measuring the article. Process and
A method for producing an article, comprising: 2. After arranging an arbitrary element shape among several element shapes defined by different three-dimensional model data given in advance on a basic shape defined by three-dimensional model data, From at least the measurement attributes pre-assigned to the arbitrary element shapes arranged on the basic shape, at least the measurement contents and the tolerance information are obtained, and the measurement attribute data for the arbitrary element shapes is converted to the 3rd attribute. A method for supporting the design of an article, comprising a step of combining the dimension data separately from the dimension model data. 3. Arranging arbitrary element shapes among several element shapes defined by different three-dimensional model data given in advance on a basic shape defined by three-dimensional model data, From at least the measurement attributes pre-assigned to the arbitrary element shapes arranged on the basic shape, at least the measurement contents and the tolerance information are obtained, and the measurement attribute data for the arbitrary element shapes is converted to the 3rd attribute. A storage medium storing an article design support program, characterized by comprising means for integrating the data separately from the dimensional model data.