CN107144222A - Standard enlarged drawing measuring method, measurement apparatus and measuring system - Google Patents
Standard enlarged drawing measuring method, measurement apparatus and measuring system Download PDFInfo
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- CN107144222A CN107144222A CN201710508006.3A CN201710508006A CN107144222A CN 107144222 A CN107144222 A CN 107144222A CN 201710508006 A CN201710508006 A CN 201710508006A CN 107144222 A CN107144222 A CN 107144222A
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- enlarged drawing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of standard enlarged drawing measuring method, measurement apparatus and measuring system, the measuring method includes：Standard enlarged drawing to be measured is converted into corresponding three-dimensional model diagram according to the requirement of its physical model；Corresponding first coordinate value of multiple theory measurement points on standard enlarged drawing to be measured is extracted and stored into the first file；Three-dimensional model diagram is imported into measuring system, and measurement coordinate system is set up according to the center line of standard enlarged drawing to be measured in measuring system；First file is imported into measuring system, corresponding second coordinate value of multiple theory measurement points is measured in measuring system；The combinations of features constituted according to the second coordinate value judges whether the corresponding Line contour degree of standard enlarged drawing to be measured meets theoretical Line contour degree requirement.Measuring method of the present invention can realize overall fit, judge whether Line contour degree meets theory calls by the combinations of features constituted according to the second coordinate value so that the calibration of Line contour degree is more accurate.
Description
Technical field
The present invention relates to workpiece calibration field, especially, it is related to a kind of standard for workpiece measurement field and amplifies
Figure measuring method, measurement apparatus and measuring system.
Background technology
Standard enlarged drawing is realized to the type face of workpiece or profile tolerance as the gauge used cooperatively with measuring projector
Calibration measurement.For example, vane foil, blade tenon, turbine disc mortise, radius gauge, screw-thread micrometer in aviation parts
Gauge head etc. is calibrated using standard enlarged drawing, specifically, using large projector to vane foil, blade tenon, turbine
The object parts such as disk tongue-and-groove, radius gauge, screw-thread micrometer gauge head are by the standard enlarged drawing after certain multiple amplification with corresponding multiple
It is fitted and compares measurement.
As the quality control that leaf production is processed is more and more stricter, standard enlarged drawing is used as blade tongue-and-groove and vane foil
Object gauge, quantity is also being continuously increased, and in order to ensure gauge accuracy, it is necessary to before measuring to the mark as gauge
Quasi- enlarged drawing carries out tolerance calibration, to judge whether it meets the requirements.Average each standard enlarged drawing needs to detect 90 coordinates
Therefore point, can not often be completed the Detection task of this kind of gauge, it is necessary to consume substantial amounts of manpower by node.
In addition, the key element that predominantly detects of standard enlarged drawing is measurement type upper thread profile tolerance, conventional detection method is all to survey
The coordinate value of the given theory measurement point of spirogram paper, it is standard amplification pattern areal coordinate value that Measured Coordinates value, which subtracts theoretical coordinate value,
Deviation, takes the maximum deflection difference value of type areal coordinate and the difference of minimum deviation value as standard and amplifies pattern upper thread profile error.This
The profile tolerance that the method for kind is calculated is approximation, with certain error.And during the given theory measurement point of measurement drawing, often
The measurement error of another coordinate is measured by fixed X-coordinate value or Y-coordinate value, measurement direction is not along curve
Normal direction, the tolerance of this and Line contour degree defines certain discrepancy.
Therefore, the detection of existing standard enlarged drawing, which exists, consumes the low defect of a large amount of manpowers, detection efficiency；And due to wheel
Wide degree is approximation, and its accuracy of detection also has much room for improvement, to meet the process requirements of accurate measurement.
The content of the invention
The invention provides a kind of standard enlarged drawing measuring method, measurement apparatus and measuring system, to solve existing mark
The measurement calibration of quasi- enlarged drawing has that detection efficiency is low, Line contour degree accuracy of detection is difficult to the technical problem that reaches rigorous.
The technical solution adopted by the present invention is as follows：
According to an aspect of the present invention there is provided a kind of standard enlarged drawing measuring method, for making to standard enlarged drawing
With calibration measurement is preceding carried out, measuring method of the present invention includes：
Standard enlarged drawing to be measured is converted into corresponding three-dimensional model diagram according to the requirement of its physical model；
Corresponding first coordinate value of multiple theory measurement points on standard enlarged drawing to be measured is extracted and stored to the first file
In；
Three-dimensional model diagram is imported into measuring system, and set up in measuring system according to the center line of standard enlarged drawing to be measured
Measure coordinate system；
First file is imported into measuring system, corresponding second coordinate of multiple theory measurement points is measured in measuring system
Value；
The combinations of features constituted according to the second coordinate value judges whether the corresponding Line contour degree of standard enlarged drawing to be measured meets
Theoretical Line contour degree requirement, and then judge whether standard enlarged drawing to be measured meets design requirement.
Further, corresponding second coordinate value of multiple theory measurement points is measured in measuring system to be included：
It is the normal direction of homologous thread on three-dimensional model diagram to take the direction vector of multiple theory measurement points, gathers corresponding coordinate
Value is used as the second coordinate value.
Further, setting up measurement coordinate system according to the center line of standard enlarged drawing to be measured in measuring system includes：
Fixed standard enlarged drawing to be measured；
The running parameter of measurement image instrument is adjusted through measuring system；
The center line for gathering standard enlarged drawing to be measured sets up measurement coordinate system.
Further, measuring method of the present invention also includes：
Measurement result is exported, output measurement result includes but is not limited to：Generation and/or printing include multiple theory measurement points
The Line contour degree schematic diagram that the electronic document of corresponding second coordinate value, generation measurement are obtained.
Further, before calibration measurement is carried out, measuring method of the present invention also includes：
The temperature and humidity conditions of the working environment of calibration measurement are adjusted, to meet calibration measurement requirement.
According to another aspect of the present invention, a kind of standard enlarged drawing measurement apparatus is also provided, for existing to standard enlarged drawing
Using preceding carry out calibration measurement, measurement apparatus of the present invention includes：
Modular converter, for standard enlarged drawing to be measured to be converted into corresponding threedimensional model according to the requirement of its physical model
Figure；
Extraction module, for extracting and depositing corresponding first coordinate value of multiple theory measurement points on standard enlarged drawing to be measured
Storage is into the first file；
Import modul, for three-dimensional model diagram to be imported into measuring system, and amplifies in measuring system according to standard to be measured
The center line of figure sets up measurement coordinate system；
Acquisition module, for the first file to be imported into measuring system, measures multiple theory measurement points pair in measuring system
The second coordinate value answered；
Calibration module, the combinations of features for being constituted according to the second coordinate value judges the corresponding line wheel of standard enlarged drawing to be measured
Whether wide degree meets theoretical Line contour degree requirement, and then judges whether standard enlarged drawing to be measured meets design requirement.
Further, acquisition module is used to take the direction vector of multiple theory measurement points bent for correspondence on three-dimensional model diagram
During the normal direction of line, gather corresponding coordinate value and be used as the second coordinate value.
Further, measurement apparatus of the present invention also includes：
Output module, output module includes at least one of：
First output unit, for generating and/or printing the electricity for including corresponding second coordinate value of multiple theory measurement points
Subdocument；
Second output unit, for generating the Line contour degree schematic diagram that measurement is obtained.
According to another aspect of the present invention, a kind of standard enlarged drawing measuring system is also provided, including：Measure image instrument and with
Above-mentioned measurement apparatus is configured on the processor that measurement image instrument is connected for data acquisition and processing, processor of the present invention.
Further, processor is connected to the server of data management through COM1.
The invention has the advantages that：
Standard enlarged drawing measuring method of the present invention, measurement apparatus and measuring system, by the way that standard enlarged drawing is converted to pair
The three-dimensional model diagram answered, and obtain in measuring system corresponding second coordinate value of multiple theory measurement points on standard enlarged drawing,
Because the measurement direction of second coordinate value is the normal direction along type upper thread, it is to avoid existing to pass through fixed X-coordinate value or Y
Coordinate value measures the measurement error of another coordinate；And measuring method of the present invention can realize overall fit, by according to second
The combinations of features that coordinate value is constituted judges whether Line contour degree meets theory calls so that the calibration of Line contour degree is more accurate；
In addition, measuring method of the present invention can be automatically processed to measurement data, the standard enlarged drawing as gauge is effectively improved
Calibration efficiency, reduction labor intensity.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to accompanying drawings, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic flow sheet of preferred embodiment of the present invention standard enlarged drawing measuring method；
Fig. 2 is preferred embodiment of the present invention Leaf tenon standard enlarged drawing schematic diagram；
Fig. 3 is preferred embodiment of the present invention Leaf blade profile standard enlarged drawing schematic diagram；
Fig. 4 is the schematic diagram that corresponding first file of multiple theory measurement points is stored in the preferred embodiment of the present invention；
Fig. 5 is the principle block diagram of preferred embodiment of the present invention Plays enlarged drawing measurement apparatus.
Description of reference numerals：
100th, modular converter；200th, extraction module；300th, import modul；400th, acquisition module；
500th, calibration module；600th, output module.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The preferred embodiments of the present invention provide a kind of standard enlarged drawing measuring method, for using standard enlarged drawing
Preceding carry out calibration measurement, reference picture 2 and Fig. 3, the present embodiment standard enlarged drawing to be calibrated is with blade tenon and vane foil mark
Exemplified by quasi- enlarged drawing, certainly, it will be understood by those skilled in the art that measuring method of the present invention applies also for other kinds of standard
Enlarged drawing.Reference picture 1, the present embodiment measuring method includes：
Step S100, corresponding three-dimensional model diagram is converted to by standard enlarged drawing to be measured according to the requirement of its physical model；
Because the standard enlarged drawing schematic diagram shown in Fig. 2 or Fig. 3 is the floor map along XY axial planes, the present embodiment
By carrying out axial tension by physical model requirement along its Z-direction to the standard enlarged drawing, so as to set up corresponding three-dimensional mould
Type figure, so as to later stage generation measurement direction vector point.
Step S200, by corresponding first coordinate value of multiple theory measurement points on standard enlarged drawing to be measured extract and store to
In first file；
In one embodiment, before standard enlarged drawing to be measured is converted into three-dimensional model diagram, first according to alignment requirements
From corresponding first coordinate value of multiple theory measurement points is extracted on standard enlarged drawing to be measured and the first file is transferred to.
In another embodiment, in three-dimensional model diagram, corresponding with multiple theory measurement points on standard enlarged drawing it will sit
Mark data are extracted, and are stored by setting form to local, and are transferred to the first file after Z axis coordinate value uniformly is entered as into zero
In.Preferably, the coordinate data of the metering in CAD is extracted and be saved in EXCEL document, then copied to by set form
The entitled XYZ of suffix notepad documents (referring to Fig. 4) are inner, and X, Y value press drawing assignment, and Z primary systems one are entered as 0.
Step S300, measuring system is imported by three-dimensional model diagram, and according to standard enlarged drawing to be measured in measuring system
Center line sets up measurement coordinate system；
In the present embodiment, included in measuring system according to the center line of standard enlarged drawing to be measured foundation measurement coordinate system：
Fixed standard enlarged drawing to be measured；
The running parameter of measurement image instrument is adjusted through measuring system, wherein running parameter includes selecting suitable light intensity and Jiao
Away from；
The center line for gathering standard enlarged drawing to be measured sets up measurement coordinate system.
Step S400, imports measuring system by the first file, multiple theory measurement points is measured in measuring system corresponding
Second coordinate value；
The present embodiment will be imported into process of measurement with the notepad documents of metering point coordinates by detecting system, into adopting
Dot pattern, frame selects all stoichiometric points that can be measured on whole threedimensional model, and all stoichiometric points direction vector along three-dimensional
The normal direction of model curve, gathers corresponding coordinate value and is used as the second coordinate value.
Step S500, the combinations of features constituted according to the second coordinate value judges the corresponding Line contour degree of standard enlarged drawing to be measured
Whether meet theoretical Line contour degree requirement, and then judge whether standard enlarged drawing to be measured meets design requirement.
Measure after all stoichiometric points, these point collections are configured to a scanning feature combination, the spy is then evaluated
Levy the Line contour degree of combination.The present embodiment measuring method obtains the difference of Line contour degree and theoretical Line contour degree by matching measurement
Value, judges whether difference exceeds predetermined threshold value, and then judges whether standard enlarged drawing to be measured meets design requirement, it is achieved thereby that
The purpose of quickly calibrated gauge.
The present embodiment obtains in measuring system standard by the way that standard enlarged drawing is converted into corresponding three-dimensional model diagram
Corresponding second coordinate value of multiple theory measurement points on enlarged drawing, because the measurement direction of second coordinate value is along type upper thread
Normal direction, it is to avoid it is existing that the measurement error of another coordinate is measured by fixed X-coordinate value or Y-coordinate value, and more
Meet the tolerance definition of Line contour degree；And measuring method of the present invention can realize overall fit, by according to the second coordinate value structure
Into combinations of features judge Line contour degree whether meet theory calls so that the calibration of Line contour degree is more accurate；In addition, this hair
Bright measuring method can be automatically processed to measurement data, effectively improve standard enlarged drawing as gauge calibration efficiency,
Reduce labor intensity.
Preferably, the present embodiment measuring method also includes：
Measurement result is exported, output measurement result includes but is not limited to：Generation and/or printing include multiple theory measurement points
The Line contour degree schematic diagram that the electronic document of corresponding second coordinate value, generation measurement are obtained.
All measurement point coordinate datas are such as automatically generated electronic document and printed by the present embodiment by exporting measurement result
Out, the time of traditional write by hand result is eliminated, and reduces human error.And use the intelligent data acquisition and judgement side
Method, detection efficiency can be greatly improved.
Preferably, before calibration measurement is carried out, the present embodiment measuring method also includes：
The temperature and humidity conditions of the working environment of calibration measurement are adjusted, to meet calibration measurement requirement.
Illustrated below with the citing of a specific embodiment：
Step 1, before calibration, the temperature and humidity conditions of the working environment of calibration measurement are adjusted.
The corresponding room temperature of calibration standard enlarged drawing should be (20 ± 5) DEG C, and relative humidity is the ﹪ of 40 ﹪~70, calibrates forward horizontal stand
The time of temperature is no less than 2 hours.
Step 2, preparation.
1) the CAD design figure of standard enlarged drawing, is changed into threedimensional model, noted X, Y in CAD diagram before conversion form
Axle intersection point is moved to (0,0,0).
2) the stoichiometric point coordinate value on the drawing on standard enlarged drawing, is inputted into blank notepad in order, X, Y value are by figure
Paper is inputted, and Z primary systems one are entered as 0, and form is as shown in Figure 4.
Step 3, measurement process.
1), threedimensional model is imported into process of measurement by detecting system.
2) standard enlarged drawing, is fixed, suitable light intensity and focal length is selected, the center line of collection standard enlarged drawing, which is set up, to be surveyed
Measure coordinate system.Select " CAD=workpiece ", workpiece coordinate system is alignd with model coordinate systems.
3), the notepad documents for measuring point coordinates are imported into process of measurement by detecting system.
4), into sampling site pattern, frame selects whole threedimensional model to measure all stoichiometric points, and the arrow of all stoichiometric points
Measure normal direction of the direction along three-dimensional model curve.
5), measured after all stoichiometric points, these point collections have been configured to a scanning feature combination, then evaluation should
The Line contour degree of combinations of features.
6) setting for carrying out output format, is exported to measurement result, measurement point coordinate data result is automatically saved
In electronic document.
The present embodiment standard enlarged drawing measuring method has the advantages that：
(1), normal direction of the measurement direction of all stoichiometric points along type upper thread, more conforms to the tolerance definition of Line contour degree.
(2) Line contour degree, can only be calculated by the maximum deviation of partial points in the past, overall fit can be realized at present,
Gained line profile angle value is more accurate.
(3), all measurement point coordinate datas can automatically generate electronic document and print, and eliminate conventional write by hand
As a result time, and reduce human error.
(4), program can realize automatic measurement after improving, and detection efficiency brings up to 2 hours/part by original 5 hours/part.
According to another aspect of the present invention, a kind of standard enlarged drawing measurement apparatus is also provided, for existing to standard enlarged drawing
Using preceding carry out calibration measurement, reference picture 5, the present embodiment measurement apparatus includes：
Modular converter 100, for standard enlarged drawing to be measured to be converted into corresponding three-dimensional mould according to the requirement of its physical model
Type figure；
Extraction module 200, for corresponding first coordinate value of multiple theory measurement points on standard enlarged drawing to be measured to be extracted
And store into the first file；
Import modul 300, for three-dimensional model diagram to be imported into measuring system, and puts in measuring system according to standard to be measured
The center line of big figure sets up measurement coordinate system；
Acquisition module 400, for the first file to be imported into measuring system, measures multiple theory measurement points in measuring system
Corresponding second coordinate value；
Calibration module 500, the combinations of features for being constituted according to the second coordinate value judges that standard enlarged drawing to be measured is corresponding
Whether Line contour degree meets theoretical Line contour degree requirement, and then judges whether standard enlarged drawing to be measured meets design requirement.
Apparatus of the present invention embodiment is embodiment corresponding with above method embodiment, and the implementation process of above-mentioned each module can
With the description with reference to above method embodiment.
In the present embodiment, acquisition module 400 is used to take the direction vector of multiple theory measurement points for three-dimensional model diagram
During the normal direction of homologous thread, gather corresponding coordinate value and be used as the second coordinate value.
Preferably, measurement apparatus of the present invention also includes：Output module 600, output module includes at least one of：
First output unit, for generating and/or printing the electricity for including corresponding second coordinate value of multiple theory measurement points
Subdocument；
Second output unit, for generating the Line contour degree schematic diagram that measurement is obtained.
According to another aspect of the present invention, a kind of standard enlarged drawing measuring system is also provided, including：Measure image instrument and with
Above-mentioned measurement apparatus is configured on the processor that measurement image instrument is connected for data acquisition and processing, processor of the present invention.
Standard enlarged drawing measuring system of the present invention, by the way that standard enlarged drawing is converted into corresponding three-dimensional model diagram, and
Corresponding second coordinate value of multiple theory measurement points on standard enlarged drawing is obtained in measuring system, due to the survey of second coordinate value
Amount direction is normal direction along type upper thread, it is to avoid existing by fixed X-coordinate value or Y-coordinate value to measure another coordinate
Measurement error；And measuring system of the present invention can realize overall fit, pass through the combinations of features constituted according to the second coordinate value
Judge whether Line contour degree meets theory calls so that the calibration of Line contour degree is more accurate；In addition, measuring system of the present invention can
To be automatically processed to measurement data, calibration efficiency, the reduction labor intensity of the standard enlarged drawing as gauge are effectively improved.
Preferably, the processor in measuring system of the present invention is connected to the server of data management through COM1, from
And the measurement data of standard enlarged drawing to be measured uploads onto the server, review in order to centralized and unified management and afterwards.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, to understand the embodiments of the invention of description.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
It should be noted that can be in such as one group computer executable instructions the step of the flow of accompanying drawing is illustrated
Performed in computer system, and, although logical order is shown in flow charts, but in some cases, can be with not
The order being same as herein performs shown or described step.
If the function described in the present embodiment method is realized using in the form of SFU software functional unit and is used as independent product pin
Sell or in use, can be stored in one or more computing device read/write memory medium.Understood based on such, this hair
The part or the part of the technical scheme that bright embodiment contributes to prior art can be embodied in the form of software product
Out, the software product is stored in a storage medium, including some instructions are to cause a computing device (can be individual
People's computer, server, mobile computing device or network equipment etc.) perform the whole of each of the invention embodiment methods described
Or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can to store journey
The medium of sequence code.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of standard enlarged drawing measuring method, for carrying out calibration measurement using preceding to standard enlarged drawing, it is characterised in that
The measuring method includes：
Standard enlarged drawing to be measured is converted into corresponding three-dimensional model diagram according to the requirement of its physical model；
Corresponding first coordinate value of multiple theory measurement points on the standard enlarged drawing to be measured is extracted and stored to the first file
In；
The three-dimensional model diagram is imported into measuring system, and according in the standard enlarged drawing to be measured in the measuring system
Heart line sets up measurement coordinate system；
First file is imported into the measuring system, the multiple theory measurement point correspondence is measured in the measuring system
The second coordinate value；
Whether the combinations of features constituted according to second coordinate value judges the corresponding Line contour degree of the standard enlarged drawing to be measured
Meet theoretical Line contour degree requirement, and then judge whether the standard enlarged drawing to be measured meets design requirement.
2. standard enlarged drawing measuring method according to claim 1, it is characterised in that institute is measured in the measuring system
Stating corresponding second coordinate value of multiple theory measurement points includes：
It is the normal direction of homologous thread on the three-dimensional model diagram to take the direction vector of the multiple theory measurement point, is gathered corresponding
Coordinate value is used as second coordinate value.
3. standard enlarged drawing measuring method according to claim 1, it is characterised in that according to institute in the measuring system
Stating the center line foundation measurement coordinate system of standard enlarged drawing to be measured includes：
The fixed standard enlarged drawing to be measured；
The running parameter of measurement image instrument is adjusted through the measuring system；
The center line for gathering the standard enlarged drawing to be measured sets up the measurement coordinate system.
4. standard enlarged drawing measuring method according to claim 1, it is characterised in that also include：
Measurement result is exported, the output measurement result includes but is not limited to：Generation and/or printing include the multiple theoretical meter
The Line contour degree schematic diagram that the electronic document of corresponding second coordinate value of amount point, generation measurement are obtained.
5. according to any described standard enlarged drawing measuring method of Claims 1-4, it is characterised in that carrying out calibration measurement
Before, in addition to：
The temperature and humidity conditions of the working environment of calibration measurement are adjusted, to meet calibration measurement requirement.
6. a kind of standard enlarged drawing measurement apparatus, for carrying out calibration measurement using preceding to standard enlarged drawing, it is characterised in that
The measurement apparatus includes：
Modular converter (100), for standard enlarged drawing to be measured to be converted into corresponding threedimensional model according to the requirement of its physical model
Figure；
Extraction module (200), for corresponding first coordinate value of multiple theory measurement points on the standard enlarged drawing to be measured to be carried
Take and store into the first file；
Import modul (300), for the three-dimensional model diagram to be imported into measuring system, and according to described in the measuring system
The center line of standard enlarged drawing to be measured sets up measurement coordinate system；
Acquisition module (400), for first file to be imported into the measuring system, measures described in the measuring system
Corresponding second coordinate value of multiple theory measurement points；
Calibration module (500), the combinations of features for being constituted according to second coordinate value judges the standard enlarged drawing to be measured
Whether corresponding Line contour degree meets theoretical Line contour degree requirement, and then judges whether the standard enlarged drawing to be measured meets design
It is required that.
7. standard enlarged drawing measurement apparatus according to claim 6, it is characterised in that
The acquisition module (400) is used to take the direction vector of the multiple theory measurement point to be right on the three-dimensional model diagram
When answering the normal direction of curve, gather corresponding coordinate value and be used as second coordinate value.
8. standard enlarged drawing measurement apparatus according to claim 6, it is characterised in that also include：
Output module (600), the output module includes at least one of：
First output unit, for generating and/or printing the electricity for including corresponding second coordinate value of the multiple theory measurement point
Subdocument；
Second output unit, for generating the Line contour degree schematic diagram that measurement is obtained.
9. a kind of standard enlarged drawing measuring system, including：Measure image instrument and be connected with the measurement image instrument and adopted for data
Collection and the processor of processing, it is characterised in that measurement apparatus of the configuration as described in claim 6 to 8 is any on the processor.
10. standard enlarged drawing measuring system according to claim 9, it is characterised in that
The processor is connected to the server of data management through COM1.
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| CN108917548A (en) * | 2018-04-19 | 2018-11-30 | 中国航发南方工业有限公司 | Turbo blade Surface inspection method and measuring device |
| CN112762840A (en) * | 2020-12-21 | 2021-05-07 | 中国航空工业集团公司北京航空精密机械研究所 | Method for measuring contour degree of mortise in three-coordinate mode |
| CN113074686A (en) * | 2021-03-24 | 2021-07-06 | 西安米索软件有限公司 | Method and device for creating measured coordinate system |
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| CN113074686A (en) * | 2021-03-24 | 2021-07-06 | 西安米索软件有限公司 | Method and device for creating measured coordinate system |
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