JP7285764B2 - Automatic measurement program generation system, automatic measurement program generation support device, automatic measurement program generation device, automatic measurement program generation method and program - Google Patents

Description

The present invention relates to a measurement program automatic generation system, a measurement program automatic generation support device, a measurement program automatic generation device, a measurement program automatic generation method, and a program.

A 3D model created by a 3D CAD (Computer Aided Design) device is read into a 3D CAT (Computer Aided Testing) device, and based on the shape of the 3D model, a method of generating CNC (Computerized Numerical Control) data, A three-dimensional system for evaluating the point cloud data obtained by the user inputting information such as the evaluation method of the point cloud data into the three-dimensional CAT device in an interactive manner, and the three-dimensional measuring machine measuring the target object according to the CNC data. Techniques exist for generating measurement programs. Such a technique is called offline teaching. The three-dimensional measuring machine can automatically perform evaluation such as pass/fail judgment of tolerance for the point cloud data of the three-dimensional measuring machine by means of a three-dimensional measuring program generated by off-line teaching with a three-dimensional CAT device.

There is also a technique of reading information such as dimensions, datums, and geometric tolerances given to a three-dimensional model into a three-dimensional CAT apparatus together with the three-dimensional model, thereby automating a part of off-line teaching. Information such as dimensions, datums, and geometrical tolerances is hereinafter referred to as PMI (Product Manufacturing Information). A three-dimensional model to which PMI is added in this way is called a 3DA model (3D Annotated Model). The PMI of the 3DA model generally includes parameters such as "dimension values" and "tolerance values" and information of the elements with which the PMI is associated. An element associated with a PMI is hereinafter referred to as a reference element.

In the method of reading a 3DA model into a 3D CAT apparatus and generating a 3D measurement program, a 3D measurement program is automatically generated from PMIs directly associated with surface elements having the substance of the 3DA model. In other words, a three-dimensional measurement program is not automatically generated from PMI associated with elements that do not have substance such as virtual lines of intersection and intermediate planes, and elements that have substance but are not surface elements such as edges of a three-dimensional model. Also, in a 3DA model, PMI may be abbreviated, for example, when PMI is specified collectively for a plurality of elements, or when there are a plurality of elements on one dimension leader line. When the PMI is abbreviated, the 3D measurement program for the abbreviated portion is not generated, and only the 3D measurement program for the representatively given portion is generated. Therefore, the method of reading a 3DA model into a 3D CAT apparatus and generating a 3D measurement program may generate a 3D measurement program that does not reflect the design intention. Furthermore, there is also the problem that PMI is missing due to data conversion when reading a 3DA model into a 3D CAT device.

Patent document 1 describes a technique for extracting tolerance information, measurement target surface information, etc. from dimensional information attached to 2D drawing data created from a 3D model, and automatically generating a 3D measurement program based on the extracted information. A technique for doing so is disclosed. With the technique described in Patent Document 1, the dimensional information is extracted once instead of being directly read into the three-dimensional CAT device, so that PMI loss due to data conversion does not occur.

Japanese Patent No. 4057935

However, the technique described in Patent Literature 1 targets the dimension information given to the two-dimensional drawing data, and cannot automatically generate a three-dimensional measurement program from the 3DA model. Moreover, since only dimensions are targeted, a three-dimensional measurement program cannot be automatically generated from PMI such as datums and geometric tolerances. Furthermore, there is no function for automatically generating a three-dimensional measurement program from PMIs associated with intangible elements or abbreviated PMIs. Therefore, the technique described in Patent Document 1 cannot automatically generate a three-dimensional measurement program that reflects the design intent of the 3DA model.

SUMMARY OF THE INVENTION The present invention has been made in view of the problems described above, and an object of the present invention is to automatically generate a three-dimensional measurement program that reflects the design intent of a 3DA model.

To achieve the above object, the measurement program automatic generation system of the present invention includes a measurement program automatic generation support device and a measurement program automatic generation device. The measurement program automatic generation support device includes a 3DA model acquisition section, an examination information extraction section, an examination information processing section, and a list transmission section. The 3DA model acquisition unit acquires a 3DA model of the object. The inspection information extraction unit extracts information on parameters and reference elements included in the PMI of the 3DA model, and creates a dimension inspection information output list, a datum inspection information output list, a geometric tolerance inspection information output list, and a building element information output list. Generate. The inspection information processing unit processes the dimension inspection information output list, the datum inspection information output list, the geometric tolerance inspection information output list, and the construction element information output list to obtain a measurement element information input list, a construction element information input list, dimensions Generate an inspection information input list, a datum inspection information input list, and a geometric tolerance inspection information input list. The list transmission unit transmits the measurement element information input list, the construction element information input list, the dimension inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list to the measurement program automatic generation device. The automatic measurement program generator includes a list receiver, a 3DA model reader, a measurement feature generator, a building element generator, a tolerance setter, and a measurement program generator. The list receiver receives a measurement element information input list, a building element information input list, a dimensional inspection information input list, a datum inspection information input list, and a geometric tolerance inspection information input list. The 3DA model reading unit reads a 3DA model. The measurement feature generator generates measurement features to be measured by the three-dimensional measuring machine based on the 3DA model and the measurement element information input list. A building element generator generates building features from the measured features based on the building element information input list. A tolerance setting unit sets tolerances of the measured features and the built features based on the dimensional inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list. The measurement program generation unit generates a three-dimensional measurement program for evaluating point cloud data obtained by measuring the object by the three-dimensional measuring machine, based on the measurement features, the construction features, and the tolerances of the measurement features and the construction features.

According to the present invention, the measurement program automatic generation support device processes the information of the parameters and reference elements included in the PMI of the 3DA model and provides it to the measurement program automatic generation device, thereby reflecting the design intention of the 3DA model. A three-dimensional measurement program can be automatically generated.

FIG. 1 is a diagram showing a functional configuration example of a measurement program automatic generation system according to Embodiment 1 of the present invention; A diagram showing an example of a 3DA model according to Embodiment 1 FIG. 4 shows another example of the 3DA model according to Embodiment 1; A diagram showing an example of a dimension inspection information output list according to the first embodiment A diagram showing an example of a datum inspection information output list according to Embodiment 1 FIG. 4 shows an example of a geometrical tolerance inspection information output list according to the first embodiment; A diagram showing an example of a building element information output list according to the first embodiment Flowchart showing examination information extraction processing according to Embodiment 1 Flowchart showing dimension inspection information extraction processing according to the first embodiment Flowchart showing reference element information extraction processing according to Embodiment 1 Flowchart showing datum inspection information extraction processing according to Embodiment 1 4 is a flowchart showing geometrical tolerance inspection information extraction processing according to the first embodiment; A diagram showing an example of a measurement element information input list according to Embodiment 1 A diagram showing an example of a building element information input list according to the first embodiment A diagram showing an example of a dimension inspection information input list according to the first embodiment A diagram showing an example of a datum inspection information input list according to the first embodiment FIG. 4 shows an example of a geometrical tolerance inspection information input list according to the first embodiment; A diagram showing an example of a measurement rule allocation table according to the first embodiment 4 is a flowchart showing inspection information processing according to Embodiment 1 Flowchart showing dimension inspection information processing according to the first embodiment Flowchart showing geometrical tolerance inspection information processing according to the first embodiment Flowchart showing measurement element information input list generation processing according to Embodiment 1 Flowchart showing CNC data generation processing according to Embodiment 1 Flowchart showing building element generation processing according to Embodiment 1 4 is a flowchart showing tolerance setting processing according to the first embodiment; Flowchart showing measurement feature generation processing according to Embodiment 2 of the present invention 1 is a diagram showing an example of a hardware configuration of a measurement program automatic generation support device according to Embodiments 1 and 2 of the present invention; FIG.

A measurement program automatic generation system according to the present embodiment will be described in detail below with reference to the drawings. In the drawings, the same reference numerals are given to the same or corresponding parts. In the present embodiment, the three-dimensional CAT apparatus implements a three-dimensional measurement program for judging tolerances of point cloud data obtained by measuring a product by a three-dimensional measuring machine from a 3DA model of a product generated by a three-dimensional CAD apparatus. An example of automatic generation will be described.

(Embodiment 1)
A configuration of the measurement program automatic generation system 100 according to the first embodiment will be described with reference to FIG. A measurement program automatic generation system 100 includes a measurement program automatic generation support device 1 that supports automatic generation of a three-dimensional measurement program, and a three-dimensional CAT device 2 that reads a 3DA model of a product and automatically generates a three-dimensional measurement program. . The three-dimensional CAT device 2 is an example of a measurement program automatic generation device.

A user designs a product using a three-dimensional CAD device. A three-dimensional model is generally composed of tangible elements such as vertices, edges, and faces, and imaginary elements such as central axes, virtual lines of intersection, and intermediate planes. A three-dimensional CAD device is equipped with a function of giving PMI such as dimensions, datums, and geometrical tolerances to a three-dimensional model in a three-dimensional space. A 3DA model is a three-dimensional model to which PMI is assigned. The PMI of the 3DA model includes information on parameters and reference elements. In addition to parameters that are automatically set, parameters include parameters for which the user sets arbitrary numerical values and character strings. A three-dimensional CAD device receives design operations and PMI inputs from a user and generates a 3DA model of a product designed by the user.

A conventional three-dimensional CAT apparatus will now be described. A conventional three-dimensional CAT device, upon reading a 3DA model generated by a three-dimensional CAD device, generates a three-dimensional measurement program based on information of parameters and reference elements included in the PMI of the 3DA model. For example, the reference elements for dimension 301 of the 3DA model shown in FIG. 2 are faces 208 and 209, and the parameters are "length dimension", "dimension value 60", and "tolerance value ±0.3". Measurement program generator 26 measures surface 208 and surface 209 from these parameters and reference elements, calculates the length dimension therebetween, and determines that the calculated value falls between 59.7 and 60.3. Generate a three-dimensional measurement program for determining whether or not

Next, a case where a conventional three-dimensional CAT apparatus cannot automatically generate a three-dimensional measurement program will be described. The first is a case where the reference element is other than a tangible surface element. For example, the reference elements for dimension 201 in the example of FIG. 3 are surface 202 and edge line 203, but edge line 203 cannot be measured directly with a conventional three-dimensional CAT apparatus. Therefore, it is necessary to measure the surfaces 204 and 205, which are the components of the ridge 203, and generate a program for constructing the ridge 203 from the point cloud data obtained by the measurement. A conventional three-dimensional CAT apparatus can manually generate such a program, but cannot automatically generate it from PMI. Similarly, the reference element for datum 206 is mid-plane 207, but mid-plane 207 cannot be measured directly with conventional three-dimensional CAT equipment. Therefore, it is necessary to measure surfaces 208 and 209, which are components of the intermediate plane 207, and construct the intermediate plane 207 from point cloud data obtained by the measurement. A conventional three-dimensional CAT apparatus cannot automatically generate such a program. Hereinafter, such elements that cannot be measured directly and must be constructed from constituent elements are referred to as building elements.

The second is when PMI is abbreviated. For example, dimension 214 in the example 3DA model shown in FIG. However, by design intent, the linear dimension between surfaces 202 and 216 is also dimension 214 . At this time, even if dimension 214 has planes 202, 215, and 216 as reference elements, a conventional three-dimensional CAT apparatus inspects the length dimension between planes 202 and 215 using a three-dimensional measurement program. cannot be automatically generated. Similarly, dimensions 217 , geometric tolerances 218 and datums 220 are indicated not only on cylindrical surface 211 , but also on cylindrical surfaces 212 and 213 . However, the conventional three-dimensional CAT apparatus can only automatically generate a three-dimensional measurement program for inspecting the cylindrical surface 211 .

In addition, PMI may be missing and an incomplete 3D measurement program may be generated due to data conversion when reading a 3DA model into a conventional 3D CAT device. Also, it is difficult for a conventional three-dimensional CAT apparatus to automatically generate a three-dimensional measurement program in which a complicated corrector such as the common tolerance zone CZ of the geometric tolerance 219 in the example of FIG. 3 is reflected.

In the measurement program automatic generation system 100 shown in FIG. 1, the measurement program automatic generation support device 1 processes the information of the parameters and reference elements included in the PMI of the 3DA model and provides it to the three-dimensional CAT device, thereby enabling the conventional To realize automatic generation of a three-dimensional measurement program that could not be automatically generated by a three-dimensional CAT device.

The measurement program automatic generation support device 1 includes a 3DA model acquisition unit 11 that acquires a 3DA model, an inspection information extraction unit 12 that generates an inspection information output list, an inspection information processing unit 13 that generates an inspection information input list, and an inspection information A list transmission unit 14 for transmitting an input list to the three-dimensional CAT device 2 is provided.

The 3DA model acquisition unit 11 acquires a 3DA model generated by a 3D CAD device. The 3DA model acquisition unit 11 may acquire a 3DA model from another device or system, or the user may cause the 3DA model acquisition unit 11 to acquire a 3DA model recorded on a recording medium. The examination information extraction unit 12 extracts information on parameters and reference elements included in the PMI of the 3DA model acquired by the 3DA model acquisition unit 11, and stores the extracted information in an examination information output list. The examination information extraction unit 12 sends the examination information output list to the examination information processing unit 13 .

Here, the examination information output list will be described with reference to FIGS. 4 to 7. FIG. Depending on the type of PMI, such as dimensions, datums, geometric tolerances, parameters and reference elements are stored in separate inspection information output lists. For example, dimensions are stored in the dimension inspection information output list shown in FIG. 4, datums are stored in the datum inspection information output list shown in FIG. 5, and geometric tolerances are stored in the geometric tolerance inspection information output list shown in FIG. If the reference element is a building element, it is stored in the building element information output list shown in FIG.

In the dimension inspection information output list shown in FIG. 4, there are "PMI name" that identifies the dimension, "dimension type" that represents the type of dimension such as length dimension, angle dimension, and diameter dimension, and the size of the dimension. "dimension value", "tolerance value (upper)" representing the upper tolerance limit of the dimension, "tolerance value (lower)" representing the lower tolerance limit of the dimension, and "first reference element" identifying the first reference element "name", "second reference element name" that identifies the second reference element, and "direction vector" that indicates the direction of the length dimension are stored. The first reference element and the second reference element are one reference element and the other reference element associated with the PMI. For example, dimension 214 shown in FIG. 3 is associated with surface 202 on one dimension leader as the first reference element, and surfaces 215 and 216 on the other dimension leader as the second reference elements. there is

The datum inspection information output list shown in FIG. 5 includes “PMI name” for identifying the datum, “datum symbol” for identifying the datum symbol on the 3DA model, and “reference element name” for identifying the reference element. stored.

The geometric tolerance inspection information output list shown in FIG. 6 includes a "PMI name" for identifying geometric tolerances, a "geometric tolerance type" for representing the types of geometric tolerances such as position, flatness, and profile, and tolerance zone "Tolerance value" representing shape and size; "Primary datum", "Secondary datum" and "Tertiary datum" representing the datums referenced by the geometric tolerance; and "Reference element name" identifying the reference element. is stored.

The building element information output list shown in FIG. "Component Name 1" and "Component Name 2" that identify the components that make up the element are stored.

The dimension inspection information output list, the datum inspection information output list, the geometrical tolerance inspection information output list, and the building element information output list are collectively referred to as an inspection information output list. When the 3DA model acquisition unit 11 acquires the 3DA model, the examination information extraction unit 12 executes examination information extraction processing for generating an examination information output list.

Here, a flow of examination information extraction processing executed by the examination information extraction unit 12 will be described with reference to FIG. The inspection information extraction process shown in FIG. 8 starts when the 3DA model acquisition unit 11 acquires a 3DA model. First, the examination information extraction unit 12 assigns numbers 1 to n to all PMIs of the 3DA model acquired by the 3DA model acquisition unit 11 (step S11). Next, the examination information extraction unit 12 defines a variable X=0 and sets the X-th PMI to _PX (step S12). Next, X+1 is substituted for X (step S13).

If _PX is a dimension (step S14; YES), the inspection information extraction unit 12 executes dimension inspection information extraction processing for generating a dimension inspection information output list and a building element information output list (step S15). The process proceeds to step S20. If P _X is not a dimension (step S14; NO) and P _X is a datum (step S16; YES), the inspection information extractor 12 performs a datum inspection to generate a datum inspection information output list and a building element information output list. Information extraction processing is executed (step S17), and the processing proceeds to step S20. If _PX is not a dimension and datum (step S14; NO, step S16; NO) and _PX is a geometric tolerance (step S18; YES), the inspection information extraction unit 12 creates a geometric tolerance inspection information output list and constructs A geometrical tolerance inspection information extraction process for generating an element information output list is executed (step S19), and the process proceeds to step S20.

If P _X is not a dimension, datum, or geometric tolerance (step S14; NO, step S16; NO, step S18; NO), the inspection information extractor 12 determines whether X<n (step S20). If X<n (step S20; YES), the process returns to step S13 to repeat steps S13 to S20. When X=n (step S20; NO), the inspection information extraction unit 12 sends the inspection information output list generated by the dimension inspection information extraction process, the datum inspection information extraction process, and the geometrical tolerance inspection information extraction process to the inspection information processing unit. 13 (step S21), and the process ends.

Next, the flow of the dimension inspection information extraction process executed by the inspection information extraction unit 12 in step S15 will be described with reference to FIG. The examination information extraction unit 12 first determines whether or not _PX is a TED (Theoretically Exact Dimension) dimension (step S31). If _PX is the TED dimension (step S31; YES), there is no need for inspection, and the process ends.

If _PX is not the TED size (step S31; NO), the PMI name of _PX is extracted (step S32). Next, the dimension type of _PX is extracted (step S33). Next, the dimensional value of _PX is extracted (step S34). Next, the tolerance value (top) and tolerance value (bottom) of _PX are extracted (step S35). Next, the direction vector of _PX is extracted (step S36). Next, a building element information output list is generated, and reference element information extraction processing for extracting reference elements of _PX is executed (step S37). The inspection information extraction unit 12 stores the information extracted in steps S32 to S37 in the dimension inspection information output list (step S38), generates the dimension inspection information output list, and ends the process.

Here, the flow of reference element information extraction processing executed by the examination information extraction unit 12 in step S37 will be described using FIG. The examination information extraction unit 12 assigns numbers from 1 to m to the reference elements of P _X (step S41). Next, the examination information extraction unit 12 defines a variable Q=0 and sets the Q-th reference element as _EQ (step S42). Next, Q+1 is substituted for Q (step S43). Next, the reference element name of _EQ is extracted (step S44).

The examination information extraction unit 12 determines whether _EQ is a building element (step S45). If _EQ is not a building element (step S45; NO), the process proceeds to step S50. If _EQ is a building element (step S45; YES), the examination information extraction unit 12 determines whether or not there is a reference element name of _EQ in the building element information output list (step S46). If there is a reference element name of _EQ in the building element information output list (step S46; YES), the process proceeds to S50. If there is no _EQ reference element name in the building element information output list (step S46; NO), the building element type is extracted (step S47). Next, the examination information extraction unit 12 extracts component names (step S48). The examination information extraction unit 12 stores the information extracted in steps S44, S47, and S48 in the building element information output list (step S49).

The examination information extraction unit 12 determines whether _EQ is the first reference element or the second reference element (step S50). Reference elements for linear dimensions and angular dimensions are divided into primary reference elements and secondary reference elements, but reference elements for other dimensions, datums and geometric tolerances are all primary reference elements. Next, it is determined whether or not Q<m (step S51). If Q<m (step S51; YES), the process returns to step S42 to repeat steps S42 to S51. When Q=m (step S51; NO), the process ends.

The reference element name determined to be the first reference element in step S50 is stored in "first reference element name" in step S38, and the reference element name determined to be the second reference element in step S50 is stored in step S38. is stored in the "second reference element name".

Next, a flow of datum inspection information extraction processing executed by the inspection information extraction unit 12 in step S17 will be described with reference to FIG. 11 . The examination information extraction unit 12 first extracts the PMI name of _PX (step S61). Next, the datum symbol of _PX is extracted (step S62). Next, a building element information output list is generated, and reference element information extraction processing for extracting reference elements of _PX is executed (step S63). The inspection information extraction unit 12 stores the information extracted in steps S61 to S63 in the datum inspection information output list (step S64), generates the datum inspection information output list, and ends the process. The flow of the reference element information extracting process executed by the examination information extracting unit 12 in step S63 is the same as that shown in FIG. 10, so description thereof will be omitted. However, in the reference element information extraction process executed in step S63, step S50 may not be executed.

Next, the flow of the geometrical tolerance inspection information extraction process executed by the inspection information extraction unit 12 in step S19 will be described with reference to FIG. 12 . The examination information extraction unit 12 first extracts the PMI name of _PX (step S71). Next, the geometrical tolerance type of _PX is extracted (step S72). Next, the tolerance value of _PX is extracted (step S73). Next, the primary datum, secondary datum and tertiary datum of _PX are extracted (step S74). Next, a building element information output list is generated, and reference element information extraction processing for extracting reference elements of _PX is executed (step S75). The inspection information extraction unit 12 stores the information extracted in steps S71 to S75 in the geometrical tolerance inspection information output list (step S76), generates the geometrical tolerance inspection information output list, and ends the process. The flow of the reference element information extracting process executed by the examination information extracting unit 12 in step S75 is the same as that shown in FIG. 10, so description thereof will be omitted. However, in the reference element information extraction process executed in step S75, step S50 may not be executed.

By executing the above processing, the examination information extraction unit 12 generates an examination information output list from the PMI of the 3DA model.

Returning to FIG. 1 , the test information extraction unit 12 sends the generated test information output list to the test information processing unit 13 . The examination information processing unit 13 processes the examination information output list received from the examination information extraction unit 12 to generate an examination information input list. The examination information processing unit 13 sends the examination information input list to the list transmission unit 14 . The list transmission unit 14 transmits the inspection information input list received from the inspection information processing unit 13 to the three-dimensional CAT device 2 .

Here, the examination information input list will be described with reference to FIGS. 13 to 18. FIG. The measurement element information input list shown in FIG. 13 stores the information of the object to be actually measured by applying the probe with the three-dimensional measuring machine. Hereinafter, an object to be actually measured by the three-dimensional measuring machine will be referred to as a measurement element. The examination information processing unit 13 stores the information stored in the "reference element name" and "component name" of the examination information output list of FIGS. 4 to 7 in the "measurement element name" without duplication. . If the reference element is a building element, store the "component name" instead of the "reference element name".

Further, when the common tolerance zone CZ as a modifier is described in the tolerance value as in the geometric tolerance 219 included in the geometric tolerance inspection information output list shown in FIG. A new reference element name of "surface 215-surface 216" is generated by connecting all the reference element names of 219, and stored in the "measurement element name". This means that the surface 215 and the surface 216 are regarded as one plane and measured.

Furthermore, the test information processing unit 13 assigns a measurement rule name to each measurement element name according to the measurement rule assignment table as shown in FIG. By setting a measurement rule having the same name as this measurement rule name in advance in the three-dimensional CAT device 2, automatic generation of CNC data becomes possible. Automatic generation of CNC data will be described later.

In the example of the measurement rule assignment table shown in FIG. , and assign different measurement rules. Furthermore, a priority is set for each case, and the rule with the higher priority is applied. For example, like the cylindrical surface 211 included in both the reference elements of the dimension inspection information output list shown in FIG. 4 and the geometric tolerance inspection information output list shown in FIG. If there is also cylindrical surface measurement rule 2 is applied. The content of the measurement rule assignment table is not limited to the example shown in FIG. may

The inspection information processing unit 13 stores the information of the building element information output list shown in FIG. 7 as it is in the building element information input list shown in FIG.

The inspection information processing unit 13 processes the dimension inspection information output list shown in FIG. 4 to generate the dimension inspection information input list shown in FIG. If there is a PMI in which two or more reference element names are described in the item "first reference element name" or "second reference element name" of the dimension inspection information output list, the inspection information processing unit 13 Split into separate PMIs for each element. For example, dimension 210 is divided into dimension 210-1, which is the length dimension between cylindrical surfaces 211 and 212, and dimension 210-2, which is the length dimension between cylindrical surfaces 211 and 213. be done.

The inspection information processing unit 13 stores the information of the datum inspection information output list shown in FIG. 5 as it is in the datum inspection information input list shown in FIG.

The inspection information processing unit 13 processes the geometrical tolerance inspection information output list shown in FIG. 6 to generate the geometrical tolerance inspection information input list shown in FIG. If there is a PMI in which two or more reference element names are described in the "reference element name" item of the geometric tolerance inspection information output list, the inspection information processing unit 13 divides the PMI into separate PMIs for each reference element. . For example, the geometric tolerance 218 includes a geometric tolerance 218-1 that is the positional tolerance of the cylindrical surface 211, a geometrical tolerance 218-2 that is the positional tolerance of the cylindrical surface 212, and a positional tolerance of the cylindrical surface 213. A certain geometric tolerance 218-3. However, even if two or more reference element names are listed in the geometric tolerance inspection information input list, if the common tolerance zone CZ is listed as a modifier in the tolerance value like the geometric tolerance 219, separate It is not divided into PMIs, and the reference element name is changed to a name in which all the original reference element names are connected, such as surface 215-surface 216. FIG.

The measurement element information input list, construction element information input list, dimension inspection information input list, datum inspection information input list, and geometric tolerance inspection information input list are collectively referred to as an inspection information input list. Upon receiving the test information output list from the test information extraction unit 12, the test information processing unit 13 executes test information processing to generate a test information input list.

Here, a flow of examination information processing processing executed by the examination information processing unit 13 will be described with reference to FIG. 19 . The examination information processing shown in FIG. 19 starts when the examination information processing unit 13 receives the examination information output list from the examination information extraction unit 12 . First, the examination information processing unit 13 stores "component name 1" and "component name 2" in the received building element information output list as measurement elements together with information indicating that they are building elements (step S81). . Next, the information in the building element information output list is directly stored in the building element information input list (step S82).

Next, the inspection information processing unit 13 processes the received dimension inspection information output list and executes dimension inspection information processing processing to generate a dimension inspection information input list (step S83). The inspection information processing unit 13 stores the "reference element name" of the received datum inspection information output list as a measurement element together with information indicating that it is a datum (step S84). Next, the information in the datum inspection information output list is directly stored in the datum inspection information list (step S85).

Next, the inspection information processing unit 13 executes a geometrical tolerance inspection information processing process for processing the received geometrical tolerance inspection information output list to generate a geometrical tolerance inspection information input list (step S86). Next, the examination information processing unit 13 executes measurement element information input list generation processing for generating a measurement element information input list (step S87), and terminates the process.

Next, the flow of the dimension inspection information processing process executed by the inspection information processing unit 13 in step S83 will be described with reference to FIG. The examination information processing unit 13 assigns numbers (1 to a) to PMI names (step S101). Next, the examination information processing unit 13 defines a variable X=0 and sets the X-th PMI to _PX (step S102). Next, X+1 is substituted for X (step S103).

Next, numbers from 1 to b are assigned to the first reference element names of _PX (step S104). Next, numbers 1 to c are assigned to the second reference element names of _PX (step S105). If b>1 or c>1 (step S106; NO), there is only one reference element name listed in the "first reference element name" and "second reference element name" items, so processing is required. There is no The inspection information processing unit 13 stores the information of the dimension inspection information output list as it is in the dimension inspection information input list (step S107). The examination information processing unit 13 stores the reference element name of Px together with the PMI name as a measurement element (step S108), and the process proceeds to step S118. If b>1 or c>1 (step S106; YES), two or more reference element names are described in the item "first reference element name" or "second reference element name", so processing is performed. There is a need to.

The examination information processing unit 13 defines a variable Y=1 (step S109). The value of variable Y is a subnumber assigned to the PMI name after processing. Next, a variable Q=0 is defined and the Q-th reference element is set to _EQ (step S110). Next, Q+1 is substituted for Q (step S111). Next, a variable U=0 is defined, and the U-th reference element is set to _EU (step S112). Next, U+1 is substituted for U (step S113). Next, the PMI name in the dimension inspection information output list is changed to P _X - Y, the first reference element name to E _Q , and the second reference element name to _EU , and stored in the dimension inspection information input list (step S114). In the processing of steps S109 to S114, a PMI having two or more reference elements in the first reference element name or second reference element name is divided into separate PMIs for each reference element. Examples of the information stored in step S114 include dimensions 210-1 and 210-2 of the dimension inspection information input list shown in FIG.

Next, the examination information processing unit 13 substitutes Y+1 for Y (step S115), and determines whether or not U<c (step S116). If U<c (step S116; YES), the process returns to step S113, and steps S113 to S116 are repeated. If not U<c (step S116; NO), it is determined whether or not Q<b (step S117). If Q<b (step S117; YES), the process returns to step S111, and steps S111 to S117 are repeated. If not Q<b (step S117; NO), the reference element name of Px is stored as a measurement element together with the PMI name (step S108).

Next, it is determined whether or not X<a (step S118). If X<a (step S118; YES), the process returns to step S103 to repeat steps S103 to S118. When X=a (step S118; NO), the process ends.

Next, the flow of geometrical tolerance inspection information processing executed by the inspection information processing unit 13 in step S86 will be described with reference to FIG. The examination information processing unit 13 assigns numbers (1 to d) to PMI names (step S121). Next, the examination information processing unit 13 defines a variable X=0 and sets the X-th PMI to _PX (step S122). Next, X+1 is substituted for X (step S123).

Next, numbers from 1 to e are assigned to the reference element names of _PX (step S124). If not e>1 (step S125; NO), there is only one reference element name listed in the item "reference element name", so there is no need to process it. The inspection information processing unit 13 stores the information of the geometrical tolerance inspection information output list as it is in the geometrical tolerance inspection information input list (step S126). The examination information processing unit 13 stores the reference element name of Px together with the PMI name as a measurement element (step S127), and the process proceeds to step S138.

If e>1 (step S125; YES), two or more reference element names are described in the item "reference element name" and must be processed. The inspection information processing unit 13 determines whether or not CZ is included in the tolerance value of _PX (step S128). If CZ is not included in the tolerance value of _PX (step S128; NO), the inspection information processing unit 13 defines variable Y=1 (step S129). The value of variable Y is a subnumber assigned to the PMI name after processing. Next, a variable Q=0 is defined and the Qth reference element is set to _EQ (step S130). Next, Q+1 is substituted for Q (step S131). Next, the PMI name in the geometrical tolerance inspection information output list is changed to P _X -Y, and the reference element name is changed to _EQ , and stored in the geometrical tolerance inspection information input list (step S132). In the processing of steps S129 to S131, a PMI having two or more reference elements in the first reference element name or second reference element name is divided into separate PMIs for each reference element. Examples of the information stored in step S132 include the geometric tolerances 218-1 and 218-2 of the geometric tolerance inspection information input list shown in FIG.

The examination information processing unit 13 substitutes Y+1 for Y (step S133), and determines whether or not Q<e (step S134). If Q<e (step S134; YES), the process returns to step S131, and steps S131 to S134 are repeated. If not Q<e (step S134; NO), the reference element name of Px is stored as a measurement element together with the PMI name (step S127), and the process proceeds to step S138.

If CZ is included in the tolerance value of P _X (step S128; YES), the inspection information processing unit 13 does not divide the PMI even if two or more reference element names are described, and all references of P _X A new reference element name E _mix is generated by connecting the element names (step S135). Next, the reference element name of _PX in the geometrical tolerance information output list is changed to E _mix and stored in the geometrical tolerance inspection information input list (step S136). Next, E _mix is stored as a measurement element together with the PMI name (step S137). Note that the reference element name that is the basis of the E _mix is not stored as the "measurement element".

Next, the examination information processing unit 13 determines whether or not X<d (step S138). If X<d (step S138; YES), the process returns to step S123 to repeat steps S123 to S138. When X=d (step S138; NO), the process ends.

Next, the flow of measurement element information input list generation processing executed by the examination information processing unit 13 in step S87 will be described with reference to FIG. The examination information processing unit 13 assigns numbers (1 to f) to the reference element names stored as measurement elements (step S141). Next, the examination information processing unit 13 defines a variable X=0 and sets the X-th reference element to _EX (step S142). Next, X+1 is substituted for X (step S143).

Next, the examination information processing unit 13 refers to the measurement rule allocation table and specifies the measurement rule R _X corresponding to E _X (step S144). Next, it is determined whether or not there is _EX in the measurement element name of the measurement element information output list (step S145). If there is no _EX in the measurement element name of the measurement element information output list (step S145; NO), the examination information processing unit 13 puts _EX in the "measurement rule name" and in the "measurement rule name" of the measurement element information input list. _RX is stored (step S146), and the process proceeds to step S149.

If there is _EX in the measurement element name of the measurement element information output list (step S145; YES), the examination information processing unit 13 determines whether or not _RX has a higher priority than the measurement rule of the measurement element information input list. (step S147). If _RX has a higher priority than the measurement rule _EX in the measurement element information input list (step S147; YES), the examination information processing unit 13 changes the "measurement rule name" of _EX in the measurement element information input list to R _X (step S148), and the process proceeds to step S149.

If _RX has a lower priority than the measurement rule of _EX in the measurement element information input list (step S147; NO), the examination information processing unit 13 does not change the measurement rule of _EX in the measurement element information input list. It is determined whether or not X<f (step S149). If X<f (step S149; YES), the process returns to step S143 to repeat steps S143 to S149. When X=f (step S149; NO), the process ends.

By executing the above process, the examination information processing unit 13 generates an examination information input list from the examination information output list.

Returning to FIG. 1 , the examination information processing unit 13 sends the generated examination information input list to the list transmission unit 14 . The list transmission unit 14 transmits the inspection information input list received from the inspection information processing unit 13 to the three-dimensional CAT device 2 .

The three-dimensional CAT device 2 includes a 3DA model reading unit 21 for reading a 3DA model, a list receiving unit 22 for receiving an inspection information input list, and a measurement feature to be measured by the three-dimensional measuring machine and CNC data for the three-dimensional measuring machine. a building element generator 24 for generating construction features; a tolerance setting unit 25 for setting tolerances; a measurement program generator 26 for generating a three-dimensional measurement program; and a measurement program storage unit 27 that performs the measurement.

A 3DA model reading unit 21 reads a 3DA model from a three-dimensional CAD device. At this time, the three-dimensional model included in the 3DA model includes "shape data" such as surfaces, cylindrical surfaces, and free-form surfaces that constitute the three-dimensional model, and "names" of each shape data. The list receiving unit 22 receives the examination information input list from the measurement program automatic generation support device 1 .

Based on the 3DA model read by the 3DA model reading unit 21 and the inspection information input list received by the list receiving unit 22, the measurement feature generation unit 23 executes CNC data generation processing for generating measurement features and CNC data. A measurement feature is shape data of a measurement element extracted from a three-dimensional model included in the 3DA model. The measured feature generator 23 transmits the generated measured features and CNC data to a three-dimensional measuring machine (not shown). The three-dimensional measuring machine transmits to the three-dimensional CAT device 2 point cloud data of the measured features measured according to the CNC data. The three-dimensional CAT device 2 determines whether or not the shape of the measurement element indicated by the point cloud data meets the tolerance according to the three-dimensional measurement program stored in the measurement program storage unit 27 . Specifically, for example, if the distance between the measurement feature A and the measurement feature B on the 3DA model falls within 60±0.3 (mm), the judgment is passed, and if not, the judgment is rejected. The shape of the measurement element indicated by the point cloud data corresponding to feature A and measurement feature B is measured.

Here, the flow of CNC data generation processing executed by the measurement feature generation unit 23 will be described using FIG. The CNC data generation process shown in FIG. 23 starts when the list receiving unit 22 receives the inspection information input list. Alternatively, it may be started at the timing when the user inputs an instruction to generate the three-dimensional measurement program.

The measurement feature generation unit 23 assigns numbers from 1 to g to the measurement element names in the measurement element information input list received by the list reception unit 22 (step S161). Next, a variable X=0 is defined, and the Xth measurement element is set to _MEX (step S162). Next, X=X+1 is substituted (step S163). Next, shape data having the same name as the _MEX of the three-dimensional model included in the 3DA model is extracted to generate measurement features (step S164).

Next, the measurement feature generator 23 assigns the same name as _MEX to the generated measurement feature (step S165). Next, for the generated measurement feature, CNC data is generated according to the measurement rule corresponding to _MEX described in the measurement element information input list (step S166). Next, it is determined whether or not X<g (step S167). If X<g (step S167; YES), the process returns to step S163 to repeat steps S163 to S167. When X=g (step S167; NO), the process ends.

By executing the above processing, the measurement feature generator 23 generates measurement features and CNC data for all shape data having the same name as the measurement element name described in the measurement element information input list.

Returning to FIG. 1, the building element generation unit 24 executes a building element generation process for generating construction features from the measured features based on the inspection information input list received by the list reception unit 22 . Construction features refer to shape data of construction elements such as virtual lines of intersection and intermediate planes generated from the measurement features. The three-dimensional CAT device 2 automatically calculates the shape of the building element corresponding to the building feature from the point cloud data received from the three-dimensional measuring machine. The three-dimensional CAT device 2 determines whether or not the shape of the building element automatically calculated from the point cloud data conforms to the tolerance according to the three-dimensional measurement program stored in the measurement program storage unit 27 . Specifically, for example, if the distance between the construction feature C and the construction feature D generated from the measured features on the 3DA model is within 30±0.1 (mm), it passes; if not, it fails. Judgment such as acceptance is made on the shape of the building element automatically calculated from the point cloud data corresponding to the building feature C and the building feature D. FIG.

Here, the flow of building element generation processing executed by the building element generation unit 24 will be described with reference to FIG. The building element generating process shown in FIG. 24 starts when the list receiving section 22 receives the examination information input list. Alternatively, it may be started at the timing when the user inputs an instruction to generate the three-dimensional measurement program.

The building element generation unit 24 assigns numbers 1 to h to building element names in the building element information input list received by the list reception unit 22 (step S171). Next, a variable Q=0 is defined and the Qth building element is set as CE _Q (step S172). Next, Q=Q+1 is substituted (step S173). Next, constructed features are generated from the measured features having the same names as the component names 1 and 2 of CE _Q (step S174).

Next, the building element generator 24 assigns the same name as the CE _Q to the generated building feature (step S175). Next, it is determined whether or not Q<h (step S176). If Q<h (step S176; YES), the process returns to step S173 to repeat steps S173 to S176. When Q=h (step S176; NO), the process ends.

By executing the above processing, the building element generating section 24 generates building features for all building elements described in the building element information input list.

Returning to FIG. 1, the tolerance setting unit 25 executes tolerance setting processing for setting tolerances on the measurement features generated by the measurement feature generation unit 23 and the construction features generated by the building element generation unit 24 . The three-dimensional CAT device 2 determines that the shape indicated by the point group data received from the three-dimensional measuring machine is acceptable if it does not deviate from the tolerance set in the tolerance setting process, and fails if it deviates.

Here, the flow of tolerance setting processing executed by the tolerance setting unit 25 will be described with reference to FIG. 25 . The tolerance setting process shown in FIG. 25 starts when the measurement feature generator 23 completes the CNC data generation process and the building element generator 24 completes the building element generation process.

The tolerance setting unit 25 assigns numbers from 1 to i to the PMI names of the dimensional inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list received by the list receiving unit 22 (step S181). Next, a variable U=0 is defined and the U-th PMI is set to _PU (step S182). Next, U=U+1 is substituted (step S183). Next, tolerances are set according to the information such as "geometry tolerance type" and "tolerance value" in each input list for the measurement feature or construction feature having the same name as the _PU reference element name (step S184).

Next, the tolerance setting unit 25 assigns the same name as _PU to the set tolerance (step S185). By assigning the same name as _PU to the tolerance set in step S185, when the three-dimensional CAT device 2 determines whether the tolerance of the point cloud data received from the three-dimensional measuring machine is acceptable, it can be used for any PMI of the 3DA model. It is possible to present to the user whether the tolerance is acceptable or not. Next, it is determined whether or not U<i (step S186). If U<i (step S186; YES), the process returns to step S183 to repeat steps S183 to S186. When U=i (step S186; NO), the process ends.

By executing the above processing, the tolerance setting unit 25 sets tolerances for all PMIs described in the dimension inspection information input list, datum inspection information input list, and geometric tolerance inspection information input list.

Returning to FIG. 1, the measurement program generator 26 generates the 3DA model read by the 3DA model reader 21, the measurement features and CNC data generated by the measurement feature generator 23, and the construction features generated by the building element generator 24. , the tolerance setting unit 25 automatically generates a three-dimensional measurement program based on the tolerances set for the measurement features and the construction features. The measurement program storage unit 27 stores the three-dimensional measurement program generated by the measurement program generation unit 26 in association with information for identifying the 3DA model. The three-dimensional CAT device 2 performs acceptance/rejection determination of the tolerance of the point cloud data received from the three-dimensional measuring machine according to the three-dimensional measurement program stored in the measurement program generator 26 .

As described above, according to the measurement program automatic generation system 100 according to the first embodiment, the measurement program automatic generation support device 1 processes the information of the parameters and reference elements included in the PMI of the 3DA model to generate the 3DA model. By providing it to the 3D CAT device 2 for reading, it is possible to automatically generate a 3D measurement program that reflects the design intent of the 3DA model.

(Embodiment 2)
In Embodiment 1, the measurement feature generator 23 generates CNC data and transmits it to the three-dimensional measuring machine. The three-dimensional measuring machine measures the product according to the received CNC data and transmits point cloud data to the three-dimensional CAT device 2 . The three-dimensional CAT device 2 performs pass/fail judgment of tolerance of point cloud data received from the three-dimensional measuring machine according to an automatically generated three-dimensional measurement program.

In the second embodiment, not only point cloud data obtained by a three-dimensional measuring machine that requires CNC data, but also point cloud data received from a three-dimensional measuring machine that does not require CNC data, such as a handy type laser scanner. Pass/fail judgment of data tolerance is also performed. In the case of a three-dimensional measuring machine that does not require CNC data, the measured feature generator 23 does not need to generate CNC data, but it does need to generate measured features. Therefore, in the second embodiment, the measurement feature generation unit 23 does not perform the CNC data generation processing shown in FIG. 23, but executes the measurement feature generation processing shown in FIG.

The measurement feature generation process shown in FIG. 26 starts when the list receiving section 22 receives the examination information input list. Alternatively, it may be started at the timing when the user inputs an instruction to generate the three-dimensional measurement program.

First, the measurement feature generator 23 receives an input for alignment between the 3DA model read by the 3DA model reader 21 and the point cloud data (step S191). The user manually inputs the alignment between the 3DA model and the point cloud data into the 3D CAT device 2 . The measurement feature generation unit 23 assigns numbers 1 to i to the measurement element names in the measurement element information input list received by the list reception unit 22 (step S192).

Steps S193 to S196 are the same as steps S162 to S165 shown in FIG. 23, so description thereof will be omitted. The measured feature generation unit 23 does not generate CNC data and determines whether or not X<i (step S197). If X<i (step S197; YES), the process returns to step S193 to repeat steps S193 to S197. When X=i (step S197; NO), the process ends.

Other inspection information extraction processing, inspection information processing processing, building element generation processing, and tolerance setting processing are the same as those in the first embodiment.

As described above, the measurement program automatic generation system 100 according to the second embodiment can be applied to a three-dimensional measuring machine that does not require CNC data.

A hardware configuration of the measurement program automatic generation support device 1 will be described with reference to FIG. As shown in FIG. 27 , the measurement program automatic generation support device 1 includes a temporary storage section 101 , storage section 102 , calculation section 103 , input section 104 , transmission/reception section 105 and display section 106 . Temporary storage unit 101, storage unit 102, input unit 104, transmission/reception unit 105, and display unit 106 are all connected to calculation unit 103 via BUS.

The calculation unit 103 is, for example, a CPU (Central Processing Unit). The calculation unit 103 executes each process of the examination information extraction unit 12 and the examination information processing unit 13 of the measurement program automatic generation support device 1 according to the control program stored in the storage unit 102 .

The temporary storage unit 101 is, for example, a RAM (Random-Access Memory). Temporary storage unit 101 loads a control program stored in storage unit 102 and is used as a work area for calculation unit 103 .

The storage unit 102 is a non-volatile memory such as a flash memory, hard disk, DVD-RAM (Digital Versatile Disc-Random Access Memory), DVD-RW (Digital Versatile Disc-ReWritable). The storage unit 102 stores in advance a program for causing the calculation unit 103 to perform the processing of the measurement program automatic generation support device 1, and also supplies data stored by this program to the calculation unit 103 according to instructions from the calculation unit 103. and stores the data supplied from the calculation unit 103 .

The input unit 104 is an input device such as a keyboard and a pointing device, and an interface device that connects the input device such as the keyboard and the pointing device to the BUS. For example, in the case of a configuration in which information is directly input to the measurement program automatic generation support apparatus 1 , the input information is supplied to the calculation section 103 via the input section 104 .

The transmitting/receiving unit 105 is a network terminal device or wireless communication device connected to a network, and a serial interface or LAN (Local Area Network) interface connected to them. The transmission/reception unit 105 functions as the 3DA model acquisition unit 11 and the list transmission unit 14 .

A display unit 106 is a display device such as a CRT (Cathode Ray Tube) or an LCD (Liquid Crystal Display). For example, in the case of a configuration in which information is directly input to the measurement program automatic generation support device 1, the display unit 106 displays an operation screen.

The processing of the 3DA model acquisition unit 11, the examination information extraction unit 12, the examination information processing unit 13, and the list transmission unit 14 of the measurement program automatic generation support device 1 shown in FIG. , the storage unit 102, the input unit 104, the transmission/reception unit 105, the display unit 106, and the like as resources.

In addition, the hardware configuration and flowchart described above are examples, and can be arbitrarily changed and modified.

Calculation unit 103, temporary storage unit 101, storage unit 102, input unit 104, transmitting/receiving unit 105, display unit 106, and other parts that are central to the processing of measurement program automatic generation support device 1 are not based on a dedicated system, It can be implemented using a normal computer system. For example, the computer program for executing the above operations may be recorded on a computer-readable recording medium such as a flexible disk, CD-ROM (Compact Disc-Read Only Memory), DVD-ROM (Digital Versatile Disc-Read Only Memory). The measurement program automatic generation support device 1 that executes the above processing may be configured by storing and distributing the computer program in a computer and installing the computer program in the computer. Alternatively, the computer program may be stored in a storage device of a server device on a communication network such as the Internet, and the computer program may be downloaded by a normal computer system to configure the measurement program automatic generation support device 1 .

In addition, when the functions of the measurement program automatic generation support device 1 are realized by sharing the work of an OS (Operating System) and an application program, or by cooperation between the OS and an application program, only the application program portion can be stored in a recording medium. may be stored in the device.

It is also possible to superimpose a computer program on a carrier wave and provide it via a communication network. For example, the computer program may be posted on a bulletin board system (BBS, Bulletin Board System) on the communication network, and the computer program may be provided via the communication network. This computer program may be activated and executed in the same manner as other application programs under the control of the OS to execute the above processing.

In Embodiments 1 and 2 described above, the measurement program automatic generation support device 1 and the three-dimensional CAT device 2 are realized by separate devices, but the present invention is not limited to this. For example, the measurement program automatic generation support device 1 may be included in a three-dimensional CAT device.

In Embodiments 1 and 2 described above, the three-dimensional CAT device 2 uses a three-dimensional CAT device 2 for judging tolerances of point cloud data of a three-dimensional measuring machine from a 3DA model of a product generated by a three-dimensional CAD device. Although an example of automatically generating a measurement program has been described, the object of the 3DA model is not limited to a product, and may be any object that can be measured by a three-dimensional measuring machine. Further, the evaluation method of the point cloud data of the three-dimensional measuring machine by the three-dimensional measurement program is not limited to the pass/fail judgment of the tolerance, and may be an evaluation method including whether or not it is within the range of the tolerance.

1 measurement program automatic generation support device, 2 three-dimensional CAT device, 11 3DA model acquisition unit, 12 inspection information extraction unit, 13 inspection information processing unit, 14 list transmission unit, 21 3DA model reading unit, 22 list reception unit, 23 measurement Feature generation unit 24 Building element generation unit 25 Tolerance setting unit 26 Measurement program generation unit 27 Measurement program storage unit 100 Measurement program automatic generation system 101 Temporary storage unit 102 Storage unit 103 Calculation unit 104 Input unit , 105 transceiver unit, 106 display unit, 201, 210, 214, 217, 301 dimension, 202, 204, 205, 208, 209, 215, 216 surface, 203 edge line, 206, 220 datum, 207 intermediate plane, 211, 212 , 213 cylindrical surfaces, 218, 219 geometric tolerances.

Claims (9)

A measurement program automatic generation system comprising a measurement program automatic generation support device and a measurement program automatic generation device,
The measurement program automatic generation support device includes:
a 3DA model acquisition unit that acquires a 3DA model of an object;
Inspection information extraction for extracting information on parameters and reference elements included in the PMI of the 3DA model and generating a dimensional inspection information output list, a datum inspection information output list, a geometric tolerance inspection information output list, and a building element information output list. Department and
The dimensional inspection information output list, the datum inspection information output list, the geometric tolerance inspection information output list, and the building element information output list are processed to obtain a measurement element information input list, a building element information input list, and dimensional inspection information. an inspection information processing unit that generates an input list, a datum inspection information input list, and a geometric tolerance inspection information input list;
A list transmission unit for transmitting the measurement element information input list, the building element information input list, the dimension inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list to the measurement program automatic generation device. and,
with
The measurement program automatic generation device is
a list receiver for receiving the measurement element information input list, the building element information input list, the dimension inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list;
a 3DA model reading unit that reads the 3DA model;
a measurement feature generator that generates measurement features to be measured by a three-dimensional measuring machine based on the 3DA model and the measurement element information input list;
a building element generation unit that generates construction features from the measured features based on the building element information input list;
a tolerance setting unit for setting tolerances of the measurement features and the construction features based on the dimensional inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list;
Measurement generating a three-dimensional measurement program for evaluating point cloud data from which the three-dimensional measuring machine measured the object based on the measurement features, the construction features, and tolerances of the measurement features and the construction features. a program generator;
measurement program automatic generation system. The measurement feature generation unit further generates CNC data of the three-dimensional measuring machine from the measurement element information input list.
The measurement program automatic generation system according to claim 1. When the reference element included in the PMI of the 3DA model is a building element, the examination information extraction unit extracts a building element type and a building element name of the reference element, and extracts the building element together with the reference element name of the reference element. store in the information output list,
The measurement program automatic generation system according to claim 1 or 2. When there is a PMI in which two or more reference element names are described in the dimension inspection information output list, the inspection information processing unit divides the PMI into separate PMIs for each reference element, and processes the dimension inspection information. generate the input list,
The measurement program automatic generation system according to any one of claims 1 to 3. If there is a PMI in which a common tolerance zone is described in the tolerance value as a modifier in the geometric tolerance inspection information output list, the inspection information processing unit creates a new reference element name by connecting all the reference element names of the PMI. generate and store in the measurement element information input list;
The measurement program automatic generation system according to any one of claims 1 to 4. a 3DA model acquisition unit that acquires a 3DA model of an object;
Inspection information extraction for extracting information on parameters and reference elements included in the PMI of the 3DA model and generating a dimensional inspection information output list, a datum inspection information output list, a geometric tolerance inspection information output list, and a building element information output list. Department and
The dimensional inspection information output list, the datum inspection information output list, the geometric tolerance inspection information output list, and the building element information output list are processed to obtain a measurement element information input list, a building element information input list, and dimensional inspection information. an inspection information processing unit that generates an input list, a datum inspection information input list, and a geometric tolerance inspection information input list;
a list transmission unit that transmits the measurement element information input list, the building element information input list, the dimension inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list to a measurement program automatic generation device; ,
Measurement program automatic generation support device. 7. From the measurement program automatic generation support device according to claim 6, the measurement element information input list, the building element information input list, the dimension inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input a list receiver that receives the list;
a 3DA model reading unit that reads the 3DA model;
a measurement feature generator that generates measurement features to be measured by a three-dimensional measuring machine based on the 3DA model and the measurement element information input list;
a building element generation unit that generates construction features from the measured features based on the building element information input list;
a tolerance setting unit for setting tolerances of the measurement features and the construction features based on the dimensional inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list;
Measurement generating a three-dimensional measurement program for evaluating point cloud data from which the three-dimensional measuring machine measured the object based on the measurement features, the construction features, and tolerances of the measurement features and the construction features. a program generator;
measurement program automatic generation device. the computer runs
An inspection that extracts parameter and reference element information included in the PMI of the 3DA model of the object and generates a dimensional inspection information output list, a datum inspection information output list, a geometric tolerance inspection information output list, and a construction element information output list. an information extraction step;
The dimensional inspection information output list, the datum inspection information output list, the geometric tolerance inspection information output list, and the building element information output list are processed to obtain a measurement element information input list, a building element information input list, and dimensional inspection information. an inspection information processing step of generating an input list, a datum inspection information input list, and a geometric tolerance inspection information input list;
a measurement feature generation step of generating measurement features to be measured by a three-dimensional measuring machine based on the 3DA model and the measurement element information input list;
a building element generation step of generating construction features from the measured features based on the building element information input list;
a tolerance setting step of setting tolerances of the measurement features and the construction features based on the dimensional inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list;
Measurement generating a three-dimensional measurement program for evaluating point cloud data from which the three-dimensional measuring machine measured the object based on the measurement features, the construction features, and tolerances of the measurement features and the construction features. a program generation step;
A measurement program automatic generation method comprising the computer,
An inspection that extracts parameter and reference element information included in the PMI of the 3DA model of the object and generates a dimensional inspection information output list, a datum inspection information output list, a geometric tolerance inspection information output list, and a construction element information output list. information extractor,
The dimensional inspection information output list, the datum inspection information output list, the geometric tolerance inspection information output list, and the building element information output list are processed to obtain a measurement element information input list, a building element information input list, and dimensional inspection information. an inspection information processing unit that generates an input list, a datum inspection information input list, and a geometric tolerance inspection information input list;
a measurement feature generator that generates measurement features to be measured by a three-dimensional measuring machine based on the 3DA model and the measurement element information input list;
a building element generator for generating construction features from the measured features based on the building element information input list;
a tolerance setting unit for setting tolerances of the measurement features and the construction features based on the dimensional inspection information input list, the datum inspection information input list, and the geometric tolerance inspection information input list;
Measurement generating a three-dimensional measurement program for evaluating point cloud data from which the three-dimensional measuring machine measured the object based on the measurement features, the construction features, and tolerances of the measurement features and the construction features. program generator,
A program that acts as a

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