CN105204439B - A kind of numerical control program converter of three coordinate measuring machine - Google Patents
A kind of numerical control program converter of three coordinate measuring machine Download PDFInfo
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- CN105204439B CN105204439B CN201510544188.0A CN201510544188A CN105204439B CN 105204439 B CN105204439 B CN 105204439B CN 201510544188 A CN201510544188 A CN 201510544188A CN 105204439 B CN105204439 B CN 105204439B
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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
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
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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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37443—Program cmm, coordinate measuring machine, use cad data
Abstract
A kind of numerical control program converter of three coordinate measuring machine, measuring machine configuration module (1), gauge head survey seat define information extraction and angle conversion module (2), detection coordinates system definition and information converting extraction module (3), characterizing definition information extraction modules to be measured (4), measurement point extraction and path-generating module (5), size and tolerance define information extraction and processing module (6), test point compensate and storage mode selecting module (8), detection program output module (9).Control routine converter of the present invention is compared with prior art, the DMIS control routines of offline programming Software Create are converted to the control routine of coincidence measurement equipment requirement by measuring machine structure, detection coordinates system, dimensional tolerance and the measuring route surveyed in seat type, CAD software, suitable for any three-dimensional coordinates measurement equipment, increase relevant device is avoided, saves financial resources, material resources.
Description
Technical field
The present invention relates to computer-aided manufacturing and detection technique field, the numerical control journey of particularly a kind of three coordinate measuring machine
Sequence converter.
Background technology
Three coordinate measurements mainly have two kinds of programming modes：Self study online programming and offline programming.Self study online programming
It is programmed method main at present, but is unfavorable for extensive application of the three coordinate measurement technologies in model production, self study is online
Programming is a kind of method for needing to be programmed in the control terminal (computer) being connected with measuring machine, what is programmed
The motion of measuring machine is controlled simultaneously, accounts for that the machine time is longer, and function is limited.Offline programming method is to be based on CAD model, it is not necessary to is surveyed
Amount machine can just be completed also without the workpiece of reality before part also is manufactured without out.Theoretical values in programming process,
It can directly be automatically derived from digital-to-analogue, greatly improve the service efficiency of measuring machine and effectively utilize the time.
General measuring machine offline programming software only provides DMIS (the Dimensional Measuring of standard
Interface Standard, dimensional measuring interface standard) output format, the input with various three coordinate measuring machines exists compatible
Sex chromosome mosaicism, the use of universal measurement machine offline programming software is limited, wherein, DMIS is detection data between automated system
Communication standard, it is the communication protocol that data are detected between computer system and measuring apparatus, has 3.x, 4.x and 5.x etc. more at present
Individual release format, but the three coordinate measuring machine used at present is due to brand, age and controller version difference, it is difficult to support comprehensively
DMIS forms.Therefore, it is necessary to it is a kind of it is general by the DMIS output formatter bags of offline programming software be converted to three coordinates survey
The converting system or method for the numerical control program that amount machine can be identified and correctly parsed.
Existing converting system class patent is used for the post processing of numerical control program, such as a kind of " 5-shaft linkage numerical control processing
Post processor and its processing method CN201010611861.5 ", " the postpositive disposal method of 5-shaft linkage numerical control processing
CN201110065169.1 ", " numerous patents such as five-coordinate numerical control machining cutter path changing method CN201010162338.9 "
Changed for numerical control machining code.
The content of the invention
Present invention solves the technical problem that it is：Overcome the deficiencies in the prior art, it is soft to solve the general offline programming of measuring machine
The problem of output of part and incompatible three coordinate measuring machine input, there is provided a kind of numerical control program converter of three coordinate measuring machine,
The output of the general offline programming software of measuring machine is converted into the numerical control program that three coordinate measuring machine can identify and correctly parse.
The present invention technical solution be：A kind of numerical control program converter of three coordinate measuring machine, including measuring machine are matched somebody with somebody
Put module, gauge head surveys seat and defines information extraction and angle conversion module, detection coordinates system definition and information converting extraction module, treats
Survey characterizing definition information extraction modules, measurement point extraction defines information extraction and processing with path-generating module, size and tolerance
Module, test point compensation and storage mode selecting module, detection program output module, wherein：
Measuring machine configuration module includes measuring machine dispensing unit, surveys seat dispensing unit, gauge head dispensing unit；Measuring machine configures
Unit obtains measuring machine structure, controller type from outside and delivers to detection program output module, and measuring machine structure is delivered into inspection
Survey coordinate system definition and information converting extraction module；Survey seat dispensing unit and obtain to survey holder structure and deliver to gauge head survey seat from outside and determine
Adopted information extraction and angle conversion module；Gauge head dispensing unit, which obtains gauge head type from outside and delivers to gauge head survey seat, defines information
Extraction and angle conversion module；Described measuring machine structure includes Gantry measuring machines structure, fixed bridge-type measuring machine structure, moved
Dynamic bridge-type measuring machine structure, controller include supporting Basic format controllers, support DMIS format controllers；Described survey seat
Structure include the programmable automatic indexing with 1 rotating mechanism survey seat, with 2 mutually orthogonal rotating mechanisms it is programmable from
Seat is surveyed in dynamic indexing, seat is surveyed in indexing manually；Described gauge head type includes touch trigger probe, 3-D scanning gauge head；
Gauge head surveys seat and defines information extraction and angle conversion module, extracts and seat angle is surveyed in CAD software, receive and survey seat knot
Structure, judge that current seat angle of surveying whether in the given threshold of current survey holder structure, if in given threshold, will survey seat knot
Structure, gauge head type, survey seat angle deliver to measurement point extraction and path-generating module；If not in given threshold, report an error；It is described
Given threshold span to survey in the stroke range of seat, using the upper limit or lower limit of the stroke range of surveying seat as initial value,
The set for the numerical value that indexing position to survey seat obtains as value interval；
Detection coordinates system defines and information converting extraction module, receives measuring machine structure, and the detection obtained in CAD software is sat
Mark system the origin of coordinates, direction, and judge the origin of coordinates of the detection coordinates system in CAD software, direction whether with current structure
The origin of coordinates, direction in measuring machine are overlapped, if misaligned, the detection coordinates system in CAD software is converted into current measurement
Coordinate system in machine structure, the detection coordinates system in the CAD software after conversion is delivered into characterizing definition information extraction modules to be measured,
If overlapping, the detection coordinates system in CAD software is delivered into characterizing definition information extraction modules to be measured；
Characterizing definition information extraction modules to be measured, the detection coordinates system in CAD software is received, obtain and treated in CAD software
Feature is surveyed, all features to be measured under detection coordinates system are delivered into measurement point extraction defines with path-generating module, size and tolerance
Information extraction and processing module；Described feature to be measured includes the different point of size or position, straight line, plane, circular arc, cylinder
Face, curve, curved surface, sphere, circular conical surface, wherein, point, straight line, plane, circular arc, the face of cylinder, curve, curved surface, sphere, circular conical surface
It is respectively characteristic type to be measured；
Measurement point is extracted and path-generating module, receives all features to be measured under detection coordinates systems, surveys holder structure, gauge head class
Type, seat angle is surveyed, radius, the length of current gauge head are obtained according to gauge head type, obtain each feature to be measured of CAD software generation
Corresponding measuring route, respectively by measuring route corresponding to each feature to be measured with surveying holder structure, gauge head type, surveying seat angle,
The radius of current gauge head, length are packaged, and obtain program bag corresponding to each feature to be measured, and deliver to size and tolerance definition
Information extraction and processing module, detection program output module；Described measuring route is to control gauge head in CAD software with measurement
Point coordinates is terminal, the instruction moved by direction of direction vector, wherein, measuring route according to a feature to be measured, survey seat knot
Structure, gauge head type, survey the generation of seat angle；
Size and tolerance define information extraction and processing module, receive all features to be measured under detection coordinates system, each treat
Program bag corresponding to feature is surveyed, all dimensional tolerances to be measured is obtained from CAD software, compares the linked character of current size tolerance
Bag, program bag corresponding to each feature to be measured, if the linked character bag of current size tolerance only exist a feature to be measured and
The feature to be measured feature to be measured corresponding with the program bag that measurement point is extracted with path-generating module is sent is consistent, then reads
The size of feature to be measured or position corresponding to present procedure bag, and assign dimensional tolerance to be measured；If the pass of current size tolerance
It is corresponding to be measured to join the program bag that feature bag is sent in the presence of and the measurement point extraction and path-generating module of at least two features to be measured
Feature is consistent, then measurement point is extracted to feature to be measured consistent with linked character bag in the program bag sent with path-generating module
Size or position direction vector vertical direction is transformed to according to projective transformation principle, and the size after conversion or position are assigned
Dimensional tolerance to be measured；Sent if the linked character bag of current size tolerance is not present with measurement point extraction with path-generating module
Program bag corresponding to the consistent feature to be measured of feature to be measured, then report an error, travel through all dimensional tolerances to be measured；By treating after assignment
Survey dimensional tolerance and deliver to detection program output module；The linked character bag is associated with dimensional tolerance to be measured in CAD software
Feature to be measured；Described dimensional tolerance is the dimensional tolerance of the different features to be measured of part to be measured in CAD software；
Detect program output module, receive measuring machine structure, controller type, program bag corresponding to each feature to be measured,
Dimensional tolerance to be measured, program bag, dimensional tolerance to be measured according to corresponding to measuring machine structure, controller type by each feature to be measured
Be converted to current measuring machine structure, the numerical control program that current controller type can be identified and correctly parsed；Described numerical control journey
Sequence is to meet current measuring machine structure, the program bag of current controller type pattern of the input.
Also include test point compensation and storage mode selecting module, receive size and tolerance defines information extraction and processing mould
Dimensional tolerance to be measured, measurement point extraction after the assignment that block is sent is corresponding with each feature to be measured that path-generating module is sent
Program bag, radius compensation is carried out to the measuring route in program bag corresponding to each feature to be measured, by dimensional tolerance to be measured, radius
Program bag corresponding to each feature to be measured after compensation delivers to detection program output module；Described radius compensation is that will measure road
Footpath offsets a gauge head radius value along direction vector.
The indexing position that seat is surveyed in the described programmable automatic indexing with 1 rotating mechanism is 7.5 °, and stroke range is
[- 75 ° ,+75 °]；The indexing position that seat is surveyed in the described programmable automatic indexing with 2 mutually orthogonal rotating mechanisms is
7.5 °, stroke range is [0 °, 360 °]；The indexing position that seat is surveyed in described manual indexing is arbitrary value, the stroke range of rotation
For any range.
The present invention compared with prior art the advantages of be：
(1) numerical control program converter of the present invention according to measuring machine structure, the detection coordinates system surveyed in seat type, CAD software,
Dimensional tolerance and measuring route are converted to the DMIS control routines of offline programming Software Create the control of coincidence measurement equipment requirement
Code processed, overcome traditional three coordinate measuring machine code converter and only support single controller, need DMIS standards to input
Data processing and Control card coordinate the defects of could supporting offline programming software, suitable for any three-dimensional coordinates measurement equipment,
Increase relevant device is avoided, saves financial resources, material resources；
(2) numerical control program converter of the present invention is not only restricted to the event definition of the general offline programming software of existing measuring machine
The output order of order and DMIS codes, flexibly it can export measuring machine numerical control program according to measuring machine structure, controller type；
(3) numerical control program converter of the present invention is compared with data processing that existing DMIS standards input and Control card,
Realize it is simple, easy to control, it is more economical and quick
Brief description of the drawings
Fig. 1 is a kind of numerical control program converter modular structure figure of three coordinate measuring machine of the present invention.
Embodiment
The present invention proposes a kind of the numerical control program converter and conversion method of three coordinate measuring machine, and code conversion function is straight
Connect and be embedded in general offline programming software, numerical control program code can be exported immediately after the establishment of measurement track is completed to three seats
Co-ordinate measuring machine, any transformation is carried out completely without the hardware and software to measuring apparatus, is set suitable for any three-dimensional coordinates measurement
It is standby, illustrate below in conjunction with the accompanying drawings.A kind of three coordinate measuring machine control routine converter including measuring machine as shown in figure 1, match somebody with somebody
Put module 1, gauge head surveys seat and defines information extraction and angle conversion module 2, detection coordinates system definition and information converting extraction module
3rd, characterizing definition information extraction modules 4 to be measured, measurement point extraction define information extraction with path-generating module 5, size and tolerance
With processing module 6, program function title validity checking module 7, test point compensation and storage mode selecting module 8 and detection journey
Sequence output module 9.
Measuring machine configuration module 1 includes measuring machine dispensing unit, surveys seat dispensing unit, gauge head dispensing unit；Measuring machine is matched somebody with somebody
Unit is put to obtain measuring machine structure, controller type from outside and deliver to detection program output module 9；Seat dispensing unit is surveyed from outer
Portion, which obtains to survey holder structure and deliver to gauge head survey seat, defines information extraction and angle conversion module 2；Gauge head dispensing unit obtains from outside
Take gauge head type and deliver to gauge head survey seat and define information extraction and angle conversion module 2；Described measuring machine structure includes gantry
Formula, fixed bridge-type, mobile bridge-type, controller include supporting Basic forms, support DMIS forms；Described survey holder structure includes
Seat is surveyed in programmable automatic indexing with 1 rotating mechanism, the programmable automatic indexing with 2 mutually orthogonal rotating mechanisms is surveyed
Seat, seat is surveyed in indexing manually；Described gauge head type includes touch trigger probe, 3-D scanning gauge head.
Gauge head surveys seat and defines information extraction and angle conversion module 2, extracts and seat angle is surveyed in CAD software, receive and survey seat knot
Structure, gauge head type, current seat angle of surveying is judged whether in given threshold, survey indexing position as defined in seat and survey the row of seat rotation
In the range of journey, if in given threshold, holder structure, gauge head type, survey seat angle will be surveyed and deliver to measurement point extraction and given birth to path
Into module 5；If not in given threshold, report an error, generate warning message, illustrate that the survey seat angle that currently sets is illegal；Institute
The span for the given threshold stated is surveys the stroke range of seat, and for value at intervals of the indexing position for surveying seat, initial value is survey seat
Stroke range the upper limit or lower limit；The described programmable automatic indexing with 1 rotating mechanism surveys seat as upper and lower swing
High-precision rotary mechanism, indexing position are 7.5 °, and stroke range is [- 75 ° ,+75 °]；Described carries 2 mutually orthogonal rotations
It is the rotating mechanism for being provided simultaneously with upper and lower swing and horizontal rotation both direction that seat is surveyed in the programmable automatic indexing of mechanism, is indexed
Position is 7.5 °, and stroke range is respectively [- 75 ° ,+75 °], [0 °, 360 °]；The indexing position that seat is surveyed in described manual indexing is
Arbitrary value, the stroke range of rotation is arbitrary value.
Detection coordinates system defines and information converting extraction module 3, receives measuring machine type, judges the detection in CAD software
Whether the origin of coordinates of coordinate system, direction overlap with the origin of coordinates in current type measuring machine, direction, will if misaligned
Detection coordinates system in CAD software is converted to the coordinate system in current measuring machine type, by the detection in the CAD software after conversion
Coordinate system delivers to characterizing definition information extraction modules 4 to be measured, and conversion method is two steps of translation and rotation of coordinate, first will measurement
The detection coordinates system origin of coordinates that the origin of coordinates in machine is moved in CAD software, then by the coordinate in the measuring machine after translation
It is that direction is rotated, is overlapped with the detection coordinates system direction in CAD software, and translation is passed through into a matrix with rotation parameter
Deliver to characterizing definition information extraction modules 4 to be measured.If overlapping, the detection coordinates system in CAD software is delivered into characterizing definition to be measured
Information extraction modules 4.
Characterizing definition information extraction modules 4 to be measured, the detection coordinates system in CAD software is received, obtain and treated in CAD software
Feature is surveyed, all features to be measured under detection coordinates system are delivered into measurement point extraction defines with path-generating module 5, size and tolerance
Information extraction and processing module 6；Described feature to be measured includes the different point of size or position, straight line, plane, circular arc, cylinder
Face, curve, curved surface, sphere, circular conical surface, wherein, point, straight line, plane, circular arc, the face of cylinder, curve, curved surface, sphere, circular conical surface
For characteristic type to be measured.
Measurement point extract with path-generating module 5, receive all features to be measured under detection coordinates systems, survey holder structure, gauge head
Type, seat angle is surveyed, radius, the length of current gauge head are obtained according to gauge head type, obtain each spy to be measured of CAD software generation
Measuring route corresponding to sign, respectively by measuring route corresponding to each feature to be measured with surveying holder structure, gauge head type, surveying seat angle
Degree, the radius of current gauge head, length are packaged, and obtain the program bag named corresponding to each feature to be measured with feature to be measured,
And deliver to size and tolerance defines information extraction and processing module 6, program function title validity checking module 7；Described survey
It is the instruction for controlling gauge head to be moved in CAD software to measure point coordinates as terminal, by direction of direction vector to measure path, its
In, measuring route according to a feature to be measured, survey holder structure, gauge head type, survey seat angle and generate.Direction vector is CAD software
In in each feature to be measured any measurement point normal vector..
Size and tolerance define information extraction and processing module 6, receive all features to be measured under detection coordinates system, each treat
Program bag corresponding to feature is surveyed, all dimensional tolerances to be measured is obtained from CAD software, compares the linked character of current size tolerance
Bag, program bag corresponding to each feature to be measured, if the linked character bag of current size tolerance only exist a feature to be measured and
The feature to be measured feature to be measured corresponding with the program bag that measurement point is extracted with path-generating module 5 is sent is consistent, then reads
The size of feature to be measured or position corresponding to present procedure bag are taken, and assigns dimensional tolerance to be measured；If current size tolerance
Treat corresponding with the program bag of the transmission of path-generating module 5 is extracted at least two features to be measured be present with measurement point in linked character bag
It is consistent to survey feature, then extracts measurement point consistent with linked character bag to be measured with the program bag that path-generating module 5 is sent
The size of feature or position are transformed to direction vector vertical direction according to projective transformation principle, and by the size after conversion or position
Assign dimensional tolerance to be measured；If the linked character bag of current size tolerance is not present and measurement point extraction and path-generating module
The consistent feature to be measured of feature to be measured corresponding to 5 program bags sent, then report an error, travel through all dimensional tolerances to be measured；The pass
It is feature to be measured associated with dimensional tolerance to be measured in CAD software to join feature bag；Dimensional tolerance to be measured after assignment is delivered to
Program function title validity checking module 7；Described dimensional tolerance is the chi of the different features to be measured of part to be measured in CAD software
Very little tolerance.
Program function title validity checking module 7 is with corresponding to the dimensional tolerance to be measured after assignment, each feature to be measured
Program bag is input, to package name, dimensional tolerance to be measured corresponding to the dimensional tolerance to be measured after assignment, each feature to be measured
In feature to be measured carry out duplication of name inspection, if signature identification to be measured be present, size to be measured is born the same name, if bearing the same name, rename
Feature name to be measured in package name, dimensional tolerance to be measured corresponding to feature to be measured, after the assignment after renaming
Program bag corresponding to dimensional tolerance to be measured, each feature to be measured delivers to test point compensation and storage mode selecting module 8, if one
Cause, then program bag corresponding to the dimensional tolerance to be measured after assignment, each feature to be measured is delivered into test point compensation and storage mode
Selecting module 8.
Test point compensates and storage mode selecting module 8, send program bag, size to be measured corresponding to each feature to be measured of reception
Tolerance, radius compensation is carried out to the measuring route in program bag corresponding to each feature to be measured, dimensional tolerance to be measured, radius are mended
Program bag corresponding to each feature to be measured after repaying delivers to detection program output module 9；Described radius compensation is that will measure road
Footpath offsets a gauge head radius value along direction vector.
Detect program output module 9, receive measuring machine structure, controller type, program bag corresponding to each feature to be measured,
Dimensional tolerance to be measured, program bag, dimensional tolerance to be measured according to corresponding to measuring machine structure, controller type by each feature to be measured
Be converted to current type measuring machine, the numerical control program that current type controller can be identified and correctly parsed；Described numerical control journey
Sequence is to meet current type measuring machine, current type controller identifies and correctly parse form.With reference to embodiment to this
Invention numerical control program converter is described in detail：
The span of given threshold is first using the upper limit or lower limit for the stroke range for surveying seat to survey in the stroke range of seat
Initial value, the set for the numerical value that the indexing position to survey seat obtains as value interval, programmable automatic point with 1 rotating mechanism
The indexing position that degree surveys seat is 7.5 °, and stroke range be [- 75 ° ,+75 °], may be programmed with 2 mutually orthogonal rotating mechanisms
The indexing position that seat is surveyed in automatic indexing is 7.5 °, and stroke range is [0 °, 360 °], and the indexing position that seat is surveyed in indexing manually is any
Value, the stroke range of rotation is any range, obtains the given threshold that seat is surveyed in the programmable automatic indexing with 1 rotating mechanism
Span for [- 75 °, -67.5 °, -60 ° ..., 75 °].
Size and tolerance define information extraction and processing module 6 read the corresponding feature to be measured of present procedure bag size or
Position assigns dimensional tolerance to be measured, when the diameter for measuring the hole in CAD software, the size of feature to be measured (hole) is assigned to be measured
Dimensional tolerance, when measuring the spacing of CAD software mesopore and hole, assign the position of feature to be measured to dimensional tolerance to be measured.
Linked character bag is feature to be measured associated with dimensional tolerance to be measured in CAD software, when dimensional tolerance to be measured is
During aperture, then in CAD software it is associated with dimensional tolerance to be measured it is to be measured be characterized as hole, when dimensional tolerance to be measured be apart from when,
It is then associated with dimensional tolerance to be measured in CAD software to be measured to be characterized as two points, two straight lines, two planes or point and straight line
(plane) etc..
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (3)
1. a kind of numerical control program converter of three coordinate measuring machine, its feature is surveying seat including measuring machine configuration module (1), gauge head
Define information extraction and angle conversion module (2), the definition of detection coordinates system and information converting extraction module (3), feature to be measured are determined
Adopted information extraction modules (4), measurement point extraction and path-generating module (5), size and tolerance define information extraction and processing mould
Block (6), test point compensation and storage mode selecting module (8), detection program output module (9), wherein：
Measuring machine configuration module (1) includes measuring machine dispensing unit, surveys seat dispensing unit, gauge head dispensing unit；Measuring machine configures
Unit obtains measuring machine structure, controller type from outside and delivers to detection program output module (9), and measuring machine structure is delivered to
Detection coordinates system defines and information converting extraction module (3)；Seat dispensing unit is surveyed to obtain survey holder structure from outside and deliver to gauge head
Survey seat and define information extraction and angle conversion module (2)；Gauge head dispensing unit obtains gauge head type from outside and delivers to gauge head and surveys
Seat defines information extraction and angle conversion module (2)；Described measuring machine structure includes Gantry measuring machines structure, fixed bridge-type
Measuring machine structure, mobile bridge-type measuring machine structure, controller include supporting Basic format controllers, support the control of DMIS forms
Device；Described holder structure of surveying includes the programmable automatic indexing survey seat with 1 rotating mechanism, with 2 mutually orthogonal rotations
Seat is surveyed in the programmable automatic indexing of mechanism, seat is surveyed in indexing manually；Described gauge head type includes touch trigger probe, 3-D scanning is surveyed
Head；
Gauge head surveys seat and defines information extraction and angle conversion module (2), extracts and seat angle is surveyed in CAD software, receives and surveys holder structure,
Judge that current seat angle of surveying whether in the given threshold of current survey holder structure, if in given threshold, will survey holder structure, survey
Head type, survey seat angle deliver to measurement point extraction and path-generating module (5)；If not in given threshold, report an error；Described
The span of given threshold is surveys in the stroke range of seat, using the upper limit or lower limit of the stroke range of surveying seat as initial value, with
The indexing position for surveying seat is the set for the numerical value that value interval obtains；
Detection coordinates system defines and information converting extraction module (3), receives measuring machine structure, and the detection obtained in CAD software is sat
Mark system the origin of coordinates, direction, and judge the origin of coordinates of the detection coordinates system in CAD software, direction whether with current structure
The origin of coordinates, direction in measuring machine are overlapped, if misaligned, the detection coordinates system in CAD software is converted into current measurement
Coordinate system in machine structure, the detection coordinates system in the CAD software after conversion is delivered into characterizing definition information extraction modules to be measured
(4), if overlapping, the detection coordinates system in CAD software is delivered into characterizing definition information extraction modules (4) to be measured；
Characterizing definition information extraction modules (4) to be measured, the detection coordinates system in CAD software is received, obtained to be measured in CAD software
Feature, all features to be measured under detection coordinates system are delivered into measurement point extraction and defined with path-generating module (5), size and tolerance
Information extraction and processing module (6)；Described feature to be measured includes the different point of size or position, straight line, plane, circular arc, circle
Cylinder, curve, curved surface, sphere, circular conical surface, wherein, point, straight line, plane, circular arc, the face of cylinder, curve, curved surface, sphere, circular cone
Face is respectively characteristic type to be measured；
Measurement point extract with path-generating module (5), receive all features to be measured under detection coordinates systems, survey holder structure, gauge head class
Type, seat angle is surveyed, radius, the length of current gauge head are obtained according to gauge head type, obtain each feature to be measured of CAD software generation
Corresponding measuring route, respectively by measuring route corresponding to each feature to be measured with surveying holder structure, gauge head type, surveying seat angle,
The radius of current gauge head, length are packaged, and obtain program bag corresponding to each feature to be measured, and deliver to size and tolerance definition
Information extraction and processing module (6), detection program output module (9)；Described measuring route is control gauge head in CAD software
The instruction moved using measuring point coordinates as terminal, by direction of direction vector, wherein, measuring route according to a feature to be measured,
Survey holder structure, gauge head type, survey the generation of seat angle；
Size and tolerance define information extraction and processing module (6), receive all features to be measured under detection coordinates system, each to be measured
Program bag corresponding to feature, all dimensional tolerances to be measured are obtained from CAD software, compare current size tolerance linked character bag,
Program bag corresponding to each feature to be measured, if the linked character bag of current size tolerance only exists a feature to be measured and this is treated
Surveying feature, feature to be measured corresponding with the program bag that measurement point is extracted with path-generating module (5) is sent is consistent, then reads
The size of feature to be measured or position corresponding to present procedure bag, and assign dimensional tolerance to be measured；If the pass of current size tolerance
Treat corresponding with the program bag of path-generating module (5) transmission is extracted at least two features to be measured be present with measurement point in connection feature bag
Survey feature is consistent, then measurement point is extracted to consistent with linked character bag in the program bag sent with path-generating module (5) treat
The size or position for surveying feature are transformed to direction vector vertical direction according to projective transformation principle, and by the size after conversion or position
Put and assign dimensional tolerance to be measured；If the linked character bag of current size tolerance is not present and measurement point extraction and coordinates measurement mould
The consistent feature to be measured of feature to be measured, then report an error corresponding to the program bag that block (5) is sent, and travels through all dimensional tolerances to be measured；Will
Dimensional tolerance to be measured after assignment delivers to detection program output module (9)；The linked character bag be CAD software in chi to be measured
The associated feature to be measured of very little tolerance；Described dimensional tolerance is that the size of the different features to be measured of part to be measured in CAD software is public
Difference；
Program output module (9) is detected, measuring machine structure, controller type, program bag corresponding to each feature to be measured is received, treats
Dimensional tolerance is surveyed, program bag, dimensional tolerance to be measured turn according to corresponding to measuring machine structure, controller type by each feature to be measured
It is changed to current measuring machine structure, the numerical control program that current controller type can be identified and correctly parsed；Described numerical control program
To meet current measuring machine structure, the program bag of current controller type pattern of the input.
A kind of 2. numerical control program converter of three coordinate measuring machine according to claim 1, it is characterised in that：Also include inspection
Measuring point compensates defines the tax that information extraction is sent with processing module (6) with storage mode selecting module (8), reception size and tolerance
The corresponding program bag of dimensional tolerance to be measured after value, each feature to be measured of measurement point extraction and path-generating module (5) transmission,
Radius compensation is carried out to the measuring route in program bag corresponding to each feature to be measured, after dimensional tolerance to be measured, radius compensation
Each feature to be measured corresponding to program bag deliver to detection program output module (9)；Described radius compensation is by measuring route
A gauge head radius value is offset along direction vector.
A kind of 3. numerical control program converter of three coordinate measuring machine according to claim 1 or 2, it is characterised in that：It is described
The programmable automatic indexing with 1 rotating mechanism to survey the indexing position of seat be 7.5 °, stroke range is [- 75 ° ,+75 °]；
The indexing position that seat is surveyed in the described programmable automatic indexing with 2 mutually orthogonal rotating mechanisms is 7.5 °, and stroke range is
[0 °, 360 °]；The indexing position that seat is surveyed in described manual indexing is arbitrary value, and the stroke range of rotation is any range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510544188.0A CN105204439B (en) | 2015-08-28 | 2015-08-28 | A kind of numerical control program converter of three coordinate measuring machine |
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| CN106292541B (en) * | 2016-08-15 | 2018-10-16 | 汤晟 | The correlating method of external detection data and detection feature |
| CN110928240A (en) * | 2019-09-04 | 2020-03-27 | 深圳数设科技有限公司 | Numerical control machining method and system |
| CN113203378B (en) * | 2021-03-31 | 2022-04-08 | 成都飞机工业（集团）有限责任公司 | Method for selecting measuring head of three-coordinate measuring machine |
| CN113390377A (en) * | 2021-07-21 | 2021-09-14 | 中国航发成都发动机有限公司 | Three-coordinate measuring machine detection data management system |
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