CN103223626B - A kind of method of on-line checking gear wheel tooth alignment error - Google Patents
A kind of method of on-line checking gear wheel tooth alignment error Download PDFInfo
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- CN103223626B CN103223626B CN201310086650.8A CN201310086650A CN103223626B CN 103223626 B CN103223626 B CN 103223626B CN 201310086650 A CN201310086650 A CN 201310086650A CN 103223626 B CN103223626 B CN 103223626B
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- gear wheel
- alignment error
- tooth alignment
- laser tracker
- line checking
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Abstract
A kind of method of on-line checking gear wheel tooth alignment error, relate to field of machining, the present invention utilizes SpatialAnalyzer software to coordinate laser tracker (4), just can realize allowing gear wheel (2) directly tooth alignment error be detected on the operating platform of lathe, adjust the machined parameters of lathe further according to the result of detection simultaneously, thus process high-precision gear wheel, efficiently solving at present cannot be to diameter in the difficult problem of the gear wheel on-line checking tooth alignment error of more than 5000mm, the present invention has simple to operate, measure efficiency high, it is particularly well-suited to diameter is more than the on-line checking of the gear wheel tooth alignment error of more than 5000mm.
Description
[technical field]
The present invention relates to field of machining, particularly relate to a kind of detection method to Gear Processing precision, a kind of method being specifically related to on-line checking gear wheel tooth alignment error.
[background technology]
Known, gear is widely used in Aero-Space, naval vessel, automobile, big-and-middle-sized industrial equipment, precision machine tool and miniature instrument instrument as driving member, and the height of transmission accuracy depends primarily on the height of the precision of gear own in gear drive, in order to ensure the precision of gear, the course of processing generally requires gear is constantly detected, to ensure that the gear processed meets design requirement, and the detection for Gear Processing precision the most typically takes gear inspector to detect；Or the detecting system carried by gear grinding machines is detected；Or by measurer, gear carried out the modes such as detection and realize the accuracy of gear is detected, but the most maximum gear inspector can detect the diameter gear at below 3000mm, maximum gear grinding machines can process and detect the diameter gear at below 5000mm, but for diameter when the gear wheel of 5000mm or more than 5000mm detects, current accuracy checking method is the most limited, tooth pitch and the transverse tooth thickness project of gear can only be detected, very important tooth alignment error but be cannot be carried out measure.
[summary of the invention]
In order to overcome the deficiency of above-mentioned technology, a kind of method that the invention provides on-line checking gear wheel tooth alignment error, the present invention utilizes SpatialAnalyzer software to coordinate laser tracker, just can realize allowing gear wheel directly tooth alignment error be detected on the operating platform of lathe, adjust the machined parameters of lathe further according to the result of detection simultaneously, thus process high-precision gear wheel, the present invention has simple to operate, measure efficiency high, be particularly well-suited to diameter is more than the on-line checking of the gear wheel tooth alignment error of more than 5000mm.
For realizing goal of the invention as above, the present invention uses technical scheme as described below:
A kind of method of on-line checking gear wheel tooth alignment error, described detection method coordinates laser tracker to realize the detection to gear wheel tooth alignment error by the SpatialAnalyzer software in computer, and concrete detection method comprises the steps:
The first step, first laser tracker is placed on the side of gear wheel, it is then turned on laser tracker to preheat, the laser utilizing laser tracker to send after having preheated gathers gear wheel transverse plane and the point on outside circle, further by the center of circle and the transverse plane of least square fitting outside circle, it is exactly the datum axis of gear wheel now by the transverse plane normal direction in the matching center of circle, by the establishment of coordinate system of laser tracker on datum axis, then the tooth alignment error of gear wheel is detected；
Second step, the tooth alignment error of gear wheel is detected, the SpatialAnalyzer software in computer is utilized to set up one with datum axis as axis, the plane of reference with the reference diameter of gear wheel as diameter, allow laser tracker along one group of point of movement locus dynamic scan further at the flank of tooth of any one gear teeth of gear wheel with the intersection of the plane of reference, utilize SpatialAnalyzer software by by dynamic scan to one group of point do temperature-compensating and bring the teeth directional Equation for Calculating of theoretical gear wheel into and go out the tooth alignment error of the measured gear teeth of gear wheel, then mapping software is utilized to draw out the tooth alignment error curve that gear wheel is actual, the most i.e. complete the detection once to gear wheel tooth alignment error.
The method of described on-line checking gear wheel tooth alignment error, the laser that described laser tracker sends is received by target ball, and described target ball moves along movement locus on the flank of tooth of gear wheel.
The method of described on-line checking gear wheel tooth alignment error, described laser tracker is arranged on above support.
The method of described on-line checking gear wheel tooth alignment error, described laser tracker connects computer by data wire.
The method of described on-line checking gear wheel tooth alignment error, described laser tracker selects the LT3 type that API company of the U.S. produces.
The method of described on-line checking gear wheel tooth alignment error, the preheating time of described laser tracker is 15 minutes.
The method of described on-line checking gear wheel tooth alignment error, the exploitation of NRK company of the described SpatialAnalyzer choice of software U.S..
The method of described on-line checking gear wheel tooth alignment error, described mapping software is AutoCAD.
Using technical scheme as above, the present invention has a superiority as described below:
The method of a kind of on-line checking gear wheel tooth alignment error of the present invention, the present invention utilizes SpatialAnalyzer software to coordinate laser tracker, just can realize allowing gear wheel directly tooth alignment error be detected on the operating platform of lathe, adjust the machined parameters of lathe further according to the result of detection simultaneously, thus process high-precision gear wheel, efficiently solving at present cannot be to diameter in the difficult problem of the gear wheel on-line checking tooth alignment error of more than 5000mm, the present invention has simple to operate, measure efficiency high, it is particularly well-suited to diameter is more than the on-line checking of the gear wheel tooth alignment error of more than 5000mm.
[accompanying drawing explanation]
Fig. 1 is the measurement process schematic of the present invention；
Fig. 2 is the schematic diagram that the present invention measures gear wheel tooth alignment error；
In figure: 1, target ball；2, gear wheel；3, laser；4, laser tracker；5, support；6, data wire；7, computer；8, the plane of reference；9, movement locus.
[detailed description of the invention]
The present invention can be explained in more detail by the following examples, the invention is not limited in the following examples；
Method in conjunction with a kind of on-line checking gear wheel tooth alignment error described in accompanying drawing 1～2, described detection method realizes the detection to gear wheel 2 tooth alignment error by the LT3 type laser tracker 4 that the SpatialAnalyzer software of U.S. NRK company exploitation in computer 7 coordinates API company of the U.S. to produce, and described laser tracker 4 connects computer 7 by data wire 6；Or laser tracker 4 is by being wirelessly transferred connection computer 7, concrete detection method comprises the steps:
nullThe first step，First laser tracker 4 is arranged on the above of support 5 and laser tracker 4 is placed on the side of gear wheel 2，It is then turned on laser tracker 4 to carry out preheating 15 minutes，The laser 3 utilizing laser tracker 4 to send after having preheated gathers gear wheel 2 transverse plane and the point on outside circle，Further by the center of circle and the transverse plane of least square fitting outside circle，" it should be noted that method of least square is also known as least square method，It it is a kind of mathematical optimization techniques，The optimal function that it finds data by the quadratic sum minimizing error is mated，Utilize method of least square can try to achieve the data of the unknown easily，And make between these data tried to achieve and real data the quadratic sum of error for minimum，Method of least square can be additionally used in curve matching，Some other optimization problem also can be expressed by minimizing energy or maximization entropy method of least square "；It is exactly the datum axis of gear wheel 2 now by the transverse plane normal direction in the matching center of circle, by the establishment of coordinate system of laser tracker 4 on datum axis, then the tooth alignment error of gear wheel 2 is detected；
nullSecond step，The tooth alignment error of gear wheel 2 is detected，The SpatialAnalyzer software in computer 7 is utilized to set up one with datum axis as axis，The plane of reference 8 with the reference diameter of gear wheel 2 as diameter，Allow laser tracker 4 along one group of point of movement locus 9 dynamic scan further at the flank of tooth of any one gear teeth of gear wheel 2 with the intersection of the plane of reference 8，Or the laser 3 sent by laser tracker 4 is received by target ball 1，Described target ball 1 moves and one group of point of dynamic scan along movement locus 9 on the flank of tooth of gear wheel 2，Utilize SpatialAnalyzer software by by dynamic scan to one group of point do temperature-compensating and bring the teeth directional Equation for Calculating of theoretical gear wheel 2 into and go out the tooth alignment error of the measured gear teeth of gear wheel 2，Then AutoCAD is utilized to draw out the tooth alignment error curve of gear wheel 2 reality，The most i.e. complete the detection once to gear wheel 2 tooth alignment error.
nullThe method of on-line checking gear wheel tooth alignment error of the present invention，On the basis of the first step，Complete the detection to gear wheel profile error and gearing line error the most online，Concrete grammar is the second step in the method for on-line checking gear wheel tooth alignment error of the present invention to be replaced with the profile error to gear wheel 2 detect，The SpatialAnalyzer software in computer 7 is utilized to set up one with datum axis as axis，Set up parallel with the transverse plane of gear wheel 2 and facewidth center excessively a plane of reference simultaneously，Allow laser tracker 4 along one group of point of movement locus dynamic scan further at the flank of tooth of any one gear teeth of gear wheel 2 with the intersection of the plane of reference，Utilize SpatialAnalyzer software by by dynamic scan to one group of point do temperature-compensating and bring the tooth profile equation of theoretical gear wheel 2 into and calculate the profile error of the measured gear teeth of gear wheel 2，Then mapping software is utilized to draw out the profile error curve of gear wheel 2 reality，The most i.e. complete the detection once to gear wheel profile error；nullOr the second step in the method for on-line checking gear wheel tooth alignment error of the present invention is replaced with the gearing line error to gear wheel 2 detect，The SpatialAnalyzer software in computer 7 is utilized to set up one with datum axis as axis，Plane of reference A with gear wheel 2 base circle diameter (BCD) as diameter，Set up a plane of reference B tangent with plane of reference A simultaneously，Allow laser tracker 4 along one group of point of movement locus dynamic scan further at the flank of tooth of any one gear teeth of gear wheel 2 with the intersection of plane of reference B，Utilize SpatialAnalyzer software by by dynamic scan to one group of point do temperature-compensating and bring the Equation of engaged line of theoretical gear wheel 2 into and calculate the gearing line error of the measured gear teeth of gear wheel 2，Then mapping software is utilized to draw out the gearing line error curve of gear wheel 2 reality，The most i.e. complete the detection once to gear wheel 2 gearing line error.
For completing gear wheel 2 profile error and the description of the detection method of gearing line error online in the present invention; it it is not the emphasis protected of the present invention; but by equally completing the detection completed online gear wheel 2 profile error and gearing line error on the basis of the first step of the present invention; applicant is in order to make scope more specific, and the detection method for gear wheel 2 profile error and gearing line error is made that separate case " division " is applied for.
In order to preferably protect the present invention, applicant proposed divisional application,
Part not in the detailed description of the invention is prior art.
The embodiment selected in this article for the open purpose of the present invention, it is suitable to be presently considered to be, however, it should be understood that, it is contemplated that include that all belong to all changes of this design and the embodiment in invention scope and improvement.
Claims (8)
1. the method for an on-line checking gear wheel tooth alignment error, it is characterized in that: detection method coordinates laser tracker (4) to realize the detection to gear wheel (2) tooth alignment error by the SpatialAnalyzer software in computer (7), and concrete detection method comprises the steps:
The first step, first laser tracker (4) is placed on the side of gear wheel (2), it is then turned on laser tracker (4) to preheat, the laser (3) utilizing laser tracker (4) to send after preheating completes gathers gear wheel (2) transverse plane and the point on outside circle, further by the center of circle and the transverse plane of least square fitting outside circle, it is exactly the datum axis of gear wheel (2) now by the transverse plane normal direction in the matching center of circle, by the establishment of coordinate system of laser tracker (4) on datum axis, then the tooth alignment error of gear wheel (2) is detected；
nullSecond step，The tooth alignment error of gear wheel (2) is detected，The SpatialAnalyzer software in computer (7) is utilized to set up one with datum axis as axis，With the reference diameter of gear wheel (2) the cylindrical reference face (8) as diameter，Allow laser tracker (4) along one group of point of movement locus (9) dynamic scan further at the flank of tooth of gear wheel (2) any one gear teeth with the intersection in cylindrical reference face (8)，Utilize SpatialAnalyzer software by by dynamic scan to one group of point do temperature-compensating and bring the teeth directional Equation for Calculating of theoretical gear wheel (2) into and go out the tooth alignment error of gear wheel (2) the measured gear teeth，Then mapping software is utilized to draw out the tooth alignment error curve that gear wheel (2) is actual，The most i.e. complete the detection once to gear wheel (2) tooth alignment error.
The method of on-line checking gear wheel tooth alignment error the most according to claim 1, it is characterized in that: the laser (3) that described laser tracker (4) sends is received by target ball (1), described target ball (1) is mobile along movement locus (9) on the flank of tooth of gear wheel (2).
The method of on-line checking gear wheel tooth alignment error the most according to claim 1, is characterized in that: described laser tracker (4) is arranged on above support (5).
The method of on-line checking gear wheel tooth alignment error the most according to claim 1, is characterized in that: described laser tracker (4) is by data wire (6) connection computer (7).
The method of on-line checking gear wheel tooth alignment error the most according to claim 1, is characterized in that: described laser tracker (4) selects the LT3 type that API company of the U.S. produces.
The method of on-line checking gear wheel tooth alignment error the most according to claim 1, is characterized in that: the preheating time of described laser tracker (4) is 15 minutes.
The method of on-line checking gear wheel tooth alignment error the most according to claim 1, is characterized in that: the exploitation of NRK company of the described SpatialAnalyzer choice of software U.S..
The method of on-line checking gear wheel tooth alignment error the most according to claim 1, is characterized in that: described mapping software is AutoCAD.
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| CN201310086650.8A CN103223626B (en) | 2013-03-19 | 2013-03-19 | A kind of method of on-line checking gear wheel tooth alignment error |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103522127B (en) * | 2013-10-24 | 2016-05-04 | 东华大学 | A kind of on-machine measurement device and method for the processing of swinging curved profile |
| CN104148745B (en) * | 2014-08-12 | 2016-05-11 | 西华大学 | The enveloping worm flank of tooth is online to be detected and revises processing method |
| CN104759943B (en) * | 2015-03-30 | 2017-04-05 | 北京工业大学 | The apparatus and method of detection gear pattern and performance |
| CN109781018A (en) * | 2019-01-14 | 2019-05-21 | 北方民族大学 | A method of super-huge spur gear tooth pitch is measured using laser tracker |
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| CN201497631U (en) * | 2009-06-08 | 2010-06-02 | 爱佩仪中测（成都）精密仪器有限公司 | Detection device for large-sized gear |
| CN102322796A (en) * | 2011-07-20 | 2012-01-18 | 唐大春 | Laser detection device and method for gear parameters |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3960618B2 (en) * | 2004-09-13 | 2007-08-15 | 国立大学法人京都大学 | Non-contact measurement method for gear teeth and screw pitch |
| JP2008272861A (en) * | 2007-04-27 | 2008-11-13 | Toyota Motor Corp | Tool position measuring method, tool position measuring system and machining method |
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| US5511414A (en) * | 1992-09-30 | 1996-04-30 | Mazda Motor Corporation | Method of analyszing gear sets |
| CN201497631U (en) * | 2009-06-08 | 2010-06-02 | 爱佩仪中测（成都）精密仪器有限公司 | Detection device for large-sized gear |
| CN102322796A (en) * | 2011-07-20 | 2012-01-18 | 唐大春 | Laser detection device and method for gear parameters |
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