WO2005103964A1 - 干渉検査方法及び部品製造システム - Google Patents
干渉検査方法及び部品製造システム Download PDFInfo
- Publication number
- WO2005103964A1 WO2005103964A1 PCT/JP2004/005543 JP2004005543W WO2005103964A1 WO 2005103964 A1 WO2005103964 A1 WO 2005103964A1 JP 2004005543 W JP2004005543 W JP 2004005543W WO 2005103964 A1 WO2005103964 A1 WO 2005103964A1
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- WIPO (PCT)
- Prior art keywords
- dimensional data
- interference
- design
- dimensional
- data
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000013461 design Methods 0.000 claims abstract description 56
- 230000003068 static effect Effects 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims description 22
- 238000007689 inspection Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000012795 verification Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41805—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by assembly
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/14—Combination of conveyors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31066—Virtual assembly disassembly planning
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35223—Tolerance, consider tolerance in design, design for assembly
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37205—Compare measured, vision data with computer model, cad data
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to an interference inspection method for inspecting the presence or absence of interference in parts manufactured based on design three-dimensional data and their assembly.
- This surface shape measuring device is a surface shape measuring device that can obtain the surface shapes of a plurality of measurement surfaces of a measurement object using an interference optical system, wherein the interference optical system is one of the plurality of measurement surfaces. And an optical path switching member that switches an optical path so that interference information from the light source enters the image detecting means.
- the analytical shape correction method for measuring the relative shape of a test surface disclosed in Japanese Patent Application Laid-Open No. 2000-2108518 discloses a method of correcting the relative shape of a test surface and a reference surface obtained using an interferometer. Before subtracting the absolute shape of the reference plane from the shape, the measurement conditions related to the coordinates in the main measurement where the relative shape was measured and the measurement conditions related to the coordinates in the preliminary measurement where the shape of the reference surface was measured were calculated.
- comparing, Hazuki group on the comparison result converts the function corresponding to the shape of the reference surface obtained by preliminary measurement a a (x 3 y) to the function a of the coordinates in the measurement '(x, y)
- the two shapes are set to correspond to each other on the same coordinates on the screen.
- an automatic interference check system disclosed in Japanese Patent Application Laid-Open No. H5-20403. This system uses a 3D CAD system to check for interference between parts, uses a part model with defined boundaries, determines whether boundaries are interfering with each other while moving the part model, If there is interference, it stops the movement of further parts and controls the parts so that they do not cross each other and displays them on the monitor.
- the shape data checking method disclosed in Japanese Patent Application Laid-Open No. 7-262262 is intended to check the positional relationship between a plurality of part models composed of shape data in a short time and with high accuracy.
- the shape data is divided into a plurality of plane areas within a predetermined allowable error range, and the block setting unit sets a rectangular parallelepiped block for each of the plane areas and calculates a distance.
- the distance between the rectangular parallelepiped blocks is calculated to determine the presence or absence of interference
- the intersection calculating section the intersection is calculated only for the plane area included in the rectangular block having the interference. This is to determine the interference state between them.
- the interference check device disclosed in Japanese Patent Application Laid-Open No. 8-444777 reads shape data of a machine or device designed using a computer, and uses a shape model to detect interference between parts.
- a fourth means for avoiding interference is provided in Japanese Patent Application Laid-Open No.
- Hei 8-55514 is two-dimensional data in which the shape of each component is data of a plurality of unit projections, and the same is applied to each component.
- Two-dimensional part arrangement input means for arranging and taking in on a plane
- two-dimensional part shape position storage means for storing the taken-in shape and arrangement data of each part
- two-dimensional shape and arrangement data for two parts A unit shape drawing interference checker that determines whether or not there is an overlapping portion in two parts for each unit projection, taken out from the part shape position storage means, and overlapping part information of the two parts obtained for each unit projection
- Interference estimating means for estimating a three-dimensional interference part based on the positional correspondence between the two, and determining whether or not the part estimated to have the three-dimensional interference part is a frame Frame determination means It is intended.
- An interference verification apparatus and method for verifying interference between components in an apparatus disclosed in Japanese Patent Application Laid-Open No. 2000-292922 is disclosed in Japanese Patent Application Laid-Open No. 2000-292922.
- the purpose of this study is to efficiently check the feasibility of assembling by performing interference verification in consideration of the shape of the part.
- the shape definition data is replaced with the deformed shape data and displayed.
- the shape definition data is replaced with the deformed shape data and displayed. Then, interference verification is performed using the changed shape.
- the method for avoiding interference between a product and an interfering object in a product assembling process disclosed in Japanese Patent Application Laid-Open No. 2003-223203 discloses a method in which a product model of a product is different from an interfering object (equipment or jig). Model the interference area into a simple three-dimensional model so that it does not interfere, and store the product model and the three-dimensional interference area on a computer storage device so that it can be used on CAD. By organizing and saving the simplified model, reading the product model and the simplified 3D model from the storage device, and arranging the simplified 3D model at the machined part of the product model, the product model and the simplified 3D model can be compared. It models the product model while avoiding interference.
- design data is displayed in a virtual three-dimensional space to check for static and dynamic interference. If no interference is found, the component data is determined based on the respective component data. Processing is performed. Therefore, even if there is no interference in the design data due to manufacturing conditions such as processing errors and molding conditions for each part, static and dynamic Interference may occur.
- the present invention inspects static and dynamic interference of a part processed based on a design data in a virtual three-dimensional space, and easily detects which part caused a defect and caused interference. And a component manufacturing system. Disclosure of the invention
- the interference inspection method of the present invention generates measured three-dimensional data of each part constituting one product and displays each part in a virtual three-dimensional space on a computer based on the measured three-dimensional data. Then, in the virtual three-dimensional space, assembling the respective parts and checking for interference between the respective parts.
- the interference is static interference and dynamic interference.
- each part is displayed and assembled in a virtual three-dimensional space on a computer. Can be verified, so that the presence or absence of interference between components can be grasped at once. This also gives a comprehensive assessment of which parts need to be reworked and which parts need to be reworked.
- each of the parts is processed based on a design three-dimensional data designed in a virtual three-dimensional space, and is processed in a virtual three-dimensional space based on a measured three-dimensional data of each part. Is preferably achieved by replacing the design 3D data of each part with the measured 3D data. In addition, it is desirable that the check of static and dynamic interference has already been completed for the design 3D data of each part in the virtual 3D space.
- the component data at the design stage includes the position information of the component as the design 3D data, the operation information of the component, etc.
- the design 3D data should be replaced with the measured 3D data. Therefore, the operation information of each part at the stage of designing each part can be used as it is, and the parts displayed based on the measured 3D data can be easily slide, rotated, or a combination of them Since it can be operated as it is, dynamic interference can be easily verified.
- the measured three-dimensional data of the part is set to the processed part. Because it can be replaced with a total of three-dimensional data, the measured three-dimensional data of this part can be partially incorporated into the product composed of the design three-dimensional data, and the part is correctly processed It can be verified whether or not it has been done. ''
- the present invention provides a design three-dimensional data generating means for creating a design three-dimensional data of each part constituting one product, and a design three-dimensional data created by the design three-dimensional data generating means.
- Design three-dimensional data display means for displaying each part in a virtual three-dimensional space on a combi-tool based on the information, and assembling and operating each part displayed by the design three-dimensional data display means.
- Design three-dimensional data interference inspection means for checking dynamic interference, and static parts in each part by the design three-dimensional data interference inspection means ⁇ If there is no dynamic interference, based on the design three-dimensional data
- a component manufacturing system including component processing means for processing each component, each component processed by the component processing means is measured, and each component is processed.
- Actual measurement three-dimensional data generation means for generating the actual measurement three-dimensional data of the part; and the actual measurement three-dimensional data of each part generated by the actual measurement three-dimensional data generation means.
- static or dynamic interference is detected by the actually measured three-dimensional data interference inspection means for checking static or dynamic interference and the actual three-dimensional data interference inspection means, the causes are as follows.
- Cause determination means for determining whether the part is in the processing stage or the design stage of the part, and restarting the work from the stage determined by the cause determination means. Correction means.
- the data replacement means can replace design three-dimensional data and measured three-dimensional data for each part.
- the inspection is performed using the actually measured three-dimensional data in the virtual three-dimensional space. This prevents leakage of defective parts and supplies parts that can be reliably assembled.
- FIG. 1 is a flowchart showing the configuration of the present invention
- FIG. 2 shows an example of a three-dimensional data design of a product, where (a) is a product, and (b) is a product.
- (C) shows the parts
- FIGS. 3 (a) and (b) are perspective views of the parts machined based on the design three-dimensional data
- FIG. FIGS. 5A and 5B are explanatory diagrams of the measured three-dimensional data
- (a) and (b) show parts
- (c) shows an assembled product
- FIG. 5 is a perspective view showing the operation of the product.
- FIG. 6 is a perspective view of the product.
- the component manufacturing system according to the present invention is shown, for example, by a flow chart in FIG.
- the component manufacturing system will be described according to the flowchart started from step 100.
- a product in this embodiment, one product 1 consisting of two parts shown in FIG. 6 is provided for description
- 2A and 3A are created, and the design 3D data of each part is displayed on the virtual 3D space (steps 110 and 120).
- steps 110 and 120 are performed simultaneously, and CAD systems (step 110) for designing each part for manufacturing, and those created by this CAD system After converting the data of each part into 3D data to be displayed in the virtual 3D space, it may be performed independently by the display system (step 120) that displays the data in the virtual 3D space. .
- each part displayed in the virtual three-dimensional space based on the design three-dimensional data is assembled in the virtual three-dimensional space, and further, slide, rotation, or a composite operation thereof is performed according to the function of each part. Then, check the interference of each part or each part (Step 130). If interference is found by the interference check in step 130, the flow returns to step 110 to re-design the interfering component, and performs the interference check in step 130 again.
- a method for checking interference there are methods disclosed in Patent Documents 3 to 8.
- step 130 If no interference is found by the determination in step 130, the process proceeds to step 140, and the part is determined based on the design three-dimensional data (FIGS. 2 (b) and (c)). 2, 3 (Fig. 3 (a), (b)) are processed.
- step 150 the part processed in step 140 A few ⁇ -dimensional measurements are made.
- this measurement for example, there is a method using an interference optical system disclosed in Patent Documents 1 and 2.
- step 160 an actual measurement three-dimensional data is generated based on the actual measurement data obtained by the three-dimensional measurement.
- These are, for example, parts 2B and 3B shown in FIGS. 4 (a) and (b).
- step 120 instead of the parts 2A and 3A displayed based on the design three-dimensional data in the virtual three-dimensional space, the one displayed based on the measured three-dimensional data is used. One part or each part 2B, 3B is replaced and displayed. Based on the measured three-dimensional data, the displayed part is assembled as shown in FIG. 4 (c), and described above in step 180. Perform interference check in the same way as in step 130.
- step 180 it is determined whether the cause of the interference is due to processing or whether a design change is better, and reprocessing is performed. If the problem can be solved by returning to step 140, return to step 140 to correct or rework the part, and perform the following steps. If it is determined in step 180 that it is better to change the design, the process returns to step 110 and the operation is repeated again.
- step 180 If it is determined in step 180 that there is no interference, the operation proceeds to step 200 and the operation is completed, and as shown in FIG. 5, there is no interference and a smooth slide is possible. Product can be obtained.
- the interference detection method measures the processed part to generate measured three-dimensional data, and converts the measured three-dimensional data into a virtual three-dimensional space on a computer. Display and assemble, condition The static and dynamic interferences are checked by performing sliding, rotating, or a combined motion of them in a virtual three-dimensional space according to.
- the present invention verifies static and dynamic interference based on actual measurement data of parts constituting a product, it is effective for all products composed of a plurality of parts.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Processing Or Creating Images (AREA)
Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/005543 WO2005103964A1 (ja) | 2004-04-19 | 2004-04-19 | 干渉検査方法及び部品製造システム |
JP2006512441A JPWO2005103964A1 (ja) | 2004-04-19 | 2004-04-19 | 干渉検査方法及び部品製造システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2004/005543 WO2005103964A1 (ja) | 2004-04-19 | 2004-04-19 | 干渉検査方法及び部品製造システム |
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WO2005103964A1 true WO2005103964A1 (ja) | 2005-11-03 |
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PCT/JP2004/005543 WO2005103964A1 (ja) | 2004-04-19 | 2004-04-19 | 干渉検査方法及び部品製造システム |
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WO (1) | WO2005103964A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112486127A (zh) * | 2020-12-07 | 2021-03-12 | 北京达美盛软件股份有限公司 | 一种数字工厂的虚拟巡检系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63239557A (ja) * | 1987-03-27 | 1988-10-05 | Hitachi Ltd | Cad装置 |
JPH0549651A (ja) * | 1991-08-29 | 1993-03-02 | Nikon Corp | 歯冠補綴物設計装置 |
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2004
- 2004-04-19 WO PCT/JP2004/005543 patent/WO2005103964A1/ja active Application Filing
- 2004-04-19 JP JP2006512441A patent/JPWO2005103964A1/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63239557A (ja) * | 1987-03-27 | 1988-10-05 | Hitachi Ltd | Cad装置 |
JPH0549651A (ja) * | 1991-08-29 | 1993-03-02 | Nikon Corp | 歯冠補綴物設計装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112486127A (zh) * | 2020-12-07 | 2021-03-12 | 北京达美盛软件股份有限公司 | 一种数字工厂的虚拟巡检系统 |
CN112486127B (zh) * | 2020-12-07 | 2021-12-21 | 北京达美盛软件股份有限公司 | 一种数字工厂的虚拟巡检系统 |
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