CN104374317A  Machine tool error calibration method based on multipoint measurement technology of laser tracker  Google Patents
Machine tool error calibration method based on multipoint measurement technology of laser tracker Download PDFInfo
 Publication number
 CN104374317A CN104374317A CN201410638347.9A CN201410638347A CN104374317A CN 104374317 A CN104374317 A CN 104374317A CN 201410638347 A CN201410638347 A CN 201410638347A CN 104374317 A CN104374317 A CN 104374317A
 Authority
 CN
 China
 Prior art keywords
 erect
 tested point
 sigma
 coordinate
 value
 Prior art date
 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
 Granted
Links
 238000005259 measurement Methods 0.000 title claims abstract description 40
 238000005516 engineering process Methods 0.000 title claims abstract description 10
 230000000875 corresponding Effects 0.000 claims abstract description 17
 239000002245 particle Substances 0.000 claims description 12
 238000000034 method Methods 0.000 claims description 8
 238000005457 optimization Methods 0.000 claims description 6
 239000000523 sample Substances 0.000 claims description 3
 230000002159 abnormal effect Effects 0.000 claims description 2
 238000000691 measurement method Methods 0.000 abstract 1
 238000010586 diagram Methods 0.000 description 1
 238000007689 inspection Methods 0.000 description 1
 238000009434 installation Methods 0.000 description 1
 238000004556 laser interferometry Methods 0.000 description 1
 238000004519 manufacturing process Methods 0.000 description 1
 239000000463 material Substances 0.000 description 1
 230000003287 optical Effects 0.000 description 1
 230000002265 prevention Effects 0.000 description 1
 230000035939 shock Effects 0.000 description 1
Abstract
The invention relates to a machine tool error calibration method based on the multipoint measurement technology of a laser tracker and belongs to the technical field of precision testing. On the basis of the measurement method, firstly, points to be measured are arranged on a machine tool and numbered; during measurement, a master ball target mirror is moved to all the points to be measured respectively, the laser tracker is used for measurement outside the region of the points to be measured, the laser tracker is moved in sequence to obtain threedimensional coordinate values of the points to be measured at different stations and an interference length measurement value between every two adjacent points to be measured, and by means of an error equation of the interference length measurement values, the initial coordinate value of each station and the initial distance value at the corresponding station are obtained according to the least square principle. By means of the initial coordinate values of all the stations, measured values of the points to be measured and the distance values between the stations and the initial point to be measured, correction values of the points to be measured can be calculated through a linear expansion equation of the error equation of the interference length measurement values. Thus, the positioning accuracy of spatial measurement points on the machine tool is improved.
Description
Technical field
The present invention relates to a kind of measuring method, particularly based on the machine tool error scaling method of laser tracker multimetering technology.Belong to Precision Inspection field.
Background technology
Along with the development of modern industry, more and more higher requirement is proposed to the precision of lathe.The precision of lathe and precision stability are the important technology indexs of lathe.Because in the process of commercial measurement, manufacture, due to be worn and be out of shape, factor impact that installation etc. is different, make lathe there is error.
Improve the attention that machine tool accuracy has been subject to Many researchers.General raising machine tool accuracy has two kinds of basic skills, one is error prevention, another kind is error compensation method, wherein error compensating method common are: material standard mensuration, laser driven shock wave, orthogonal grating mensuration, laser interferometry etc., the most conventional with laser interferometer, though laser interferometer has higher measuring accuracy, build different optical paths to needing during different error measure, sense cycle is longer, can not meet high precision, fast testing requirement.
Be necessary that invention one is suitable for lathe, the method for its error of energy Fast Calibration, to improve the positioning precision of lathe space measurement point for this reason.
Summary of the invention
The machine tool error scaling method of technology, has high precision, fast realtime followup and the feature such as simple to operate.
For reaching above object, the present invention takes following technical scheme to be achieved:
Based on a machine tool error scaling method for laser tracker multimetering technology, comprise following measuring process:
During measurement, first the moving range of each axle of lathe is determined, then in each axle system moving range of lathe, tested point is planned, in the measurement space that the choosing of tested point needs to be distributed in whole lathe, and number in order: the 1st tested point, the 2nd tested point ... nth tested point, presses the discharge serial number of tested point usually, number order does not have mandatory requirement, but will remember the number n of the numbering that each tested point is corresponding and tested point altogether.Then the probe of lathe is displaced with target mirror, laser tracker is placed into the edge in machine tool measuring space, if this erectposition is the initial erectposition of laser tracker, erectposition puts the mobile route that will meet and not hinder lathe, and laser tracker has straight line sighting distance to target mirror under ensureing each erectposition, guarantee that laser tracking head can follow the tested point path preset.
Usually tracker is placed on the periphery of machine tool measuring platform, the moving range of tested point can be met so to greatest extent and guarantee that the erectposition of laser tracker does not affect the movement of lathe.
Control lathe and move to each point to be measured, and measure interference lengthmeasuring value now and record the coordinate figure of tested point under lathe coordinate system, the coordinate figure of following all coordinate systems is all the coordinate figure under lathe coordinate system, move laser tracker successively to all the other erectpositions, suppose that erectposition number is m, the coordinate of each erectposition is (X
_{k}, Y
_{k}, Z
_{k}), wherein k=1,2 ..., m.Lathe arranges n tested point, and the coordinate of tested point is (x
_{i}, y
_{i}, z
_{i}), wherein i=1,2 ..., n.Erectposition number demand fulfillment equation m × n >=3n+4m.。Move laser tracker successively to each erectposition, and by the complete all tested points of tested point proceeding measurement until complete the measurement of all erectpositions.
If laser tracker to the distance of the initial tested point of lathe is, in measuring process, laser tracker obtains relative interference measurement increment between tested point is l
_{i}, under machine coordinates, choosing the tested point being numbered 1 is initial measurement point, and the initial measurement point tested point all for this reason under each erectposition, when target mirror is from initial measurement point T
_{0}(x, y, z), moves to any tested point T
_{i}(x, y, z), laser tracker interference lengthmeasuring increment is l, then spatially twopoint defined line equation can set up following relational expression:
In above formula, to be that lathe is to be measured respectively count and laser tracker standing capacity i and j.Suppose that laser tracker measures tested point under m erectposition, under lathe coordinate system, the coordinate of each erectposition is (X
_{j}, Y
_{j}, Z
_{j}), wherein j=1,2 ..., m.Lathe has n tested point, the coordinate of tested point is (x
_{i}, y
_{i}, z
_{i}), wherein i=1,2 ..., n.
During actual measurement, l
_{i}true value highprecision interference can be utilized relatively to find range replacement, then the error equation of ith tested point under a jth erectposition is:
If tested point (x
_{i}, y
_{i}, z
_{i}) gather for T, erectposition coordinate (X
_{j}, Y
_{j}, Z
_{j}) gather for P, laser interference lengthmeasuring l
_{i}set is L, to the distance d of initial tested point under each erectposition
_{j}set is D; Least square method process equation (2) is utilized to make error sum of squares E (T, P, D) minimum:
Because equation (2) is a Nonlinear System of Equations, directly use equation (2) to solve abnormal cumbersome, adopt following manner to solve:
Suppose there be n lathe tested point, had m laser tracker standing capacity; Under lathe coordinate system, unknown parameter is 3n tested point coordinate T
_{i}(x
_{i}, y
_{i}, z
_{i}) and 3m laser tracking erectposition coordinate P
_{j}(X
_{j}, Y
_{j}, Z
_{j}) and m each erectposition under to the distance d of initial tested point
_{j}.
So unknown number is 3n+4m altogether, and each erectposition can provide n interference lengthmeasuring value, m × n equation altogether, for making equation have solution, and demand fulfillment m × n >=3n+4m, peertopeer (2) is carried out linear expansion and can be obtained:
Wherein:
Equation (4) is optimization and resolves model, needs given iterative initial value, wherein Δ x when the variable being designated as zero is and resolves in formula
_{i}, Δ y
_{i}, Δ z
_{i},, be respectively the coordinate correction value of reference frame tested point and the corrected value of laser tracker erectposition coordinate particle, for each erectposition particle is to the corrected value of the distance of initial tested point.In actual measurement
initial value needs the D coordinates value optimizing tested point under can directly reading reference frame.And the coordinate initial value of each erectposition particle of laser tracker, and each erectposition particle needs to ask for the following method to the distance initial value of initial tested point:
If the approximate value of laser tracker erectposition coordinate is as iterative initial value, so the tested point coordinate needing to ask for corrected value might as well be set temporarily as true value, then tested point coordinate T in equation (1)
_{i}(x, y, z) and interference lengthmeasuring increment be known variables, utilize the tested point coordinate figure under each erectposition and interference lengthmeasuring increment, the initial tested point distance value that under the coordinate figure of Calibration of Laser tracker particle under each erectposition and corresponding erectposition, particle arrives respectively, as j=1, then equation (1) becomes:
Write equation (5) as error equation:
Wherein,, be the coordinate figure of laser tracker first erectposition under lathe coordinate system, (x
_{i}, y
_{i}, z
_{i}) tested point coordinate figure for measuring under corresponding erectposition, be the error amount that under the 1st erectposition, each tested point is corresponding.
If
carry out least square to above formula to solve and can obtain:
The initial distance value d under the coordinate figure of the 1st erectposition under lathe coordinate system and corresponding erectposition can be tried to achieve in simultaneous equation (7) and (11), with should.Time, can in the hope of the initial distance value d of all the other erectpositions under the coordinate figure and corresponding erectposition of lathe coordinate system.Utilize the initial value of each erectposition point and tested point measured value and corresponding erectposition to the distance value of initial tested point, namely can pass through the corrected value that equation (4) solves each tested point.
Corrected value is added the threedimensional value of former measurement point is the highprecision threedimensional coordinate figure after final optimization pass.
To sum up, the inventive method, based on laser tracker multipoint positioning measuring technique, utilizes laser tracker high precision to survey long value as constraint, effectively can improve the precision of lathe space measurement point D coordinates value.
Accompanying drawing explanation
Fig. 1 is that laser follows the tracks of multimetering model schematic.
Fig. 2 is the schematic diagram of the machine tool error scaling method based on laser tracker multimetering technology.
Fig. 3 is each coordinate correction value curve map utilizing laser multimetering Optimized model to ask for
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
1) as shown in Figure 2, arrange some tested points by lathe, planned the mobile route of tested point and numbered.Then the probe on main shaft is changed into the standard ball target mirror of laser tracker, measure tested point by tested point numbering moving target target mirror.Move laser tracker successively under different erectpositions, again by identical number order duplicate measurements tested point.
2) suppose have 96 tested points, i.e. n=96.5 erectpositions, i.e. m=5 are moved altogether during measurement.Under lathe coordinate system, the coordinate figure of tested point is Ti (x
_{i}, y
_{i}, z
_{i}), measure the interference lengthmeasuring value l between adjacent tested point
_{i}, then utilize the tested point coordinate figure T under each erectposition
_{i}(x
_{i}, y
_{i}, z
_{i}) and interference lengthmeasuring value l
_{i}by the simultaneous solution of equation (7) (11) can try to achieve laser tracker erectposition coordinate approximate value and and corresponding erectposition under laser tracker to the approximate value of initial tested point distance, in like manner can try to achieve the erectposition coordinate approximate value value of laser tracker under all the other erectpositions, and then as the initial guess of equation (4) iterative.Each erectposition approximate value of laser tracker and tested point measured value and erectposition are substituted into equation (4) to the approximate value of initial tested point distance, the corrected value of each tested point can be solved.Directly measure the tested point initial value obtained under utilizing the tested point corrected value asked for add reference frame, be revised high precision tested point coordinate figure.
3) with 2) in method obtain successively 5 erectpositions initial value and and corresponding erectposition to the distance value of initial tested point, add the coordinates measurements of tested point, namely solve the corrected value of each tested point by equation (4).Corrected value is added the threedimensional value of point to be measured is the highprecision threedimensional coordinate figure after final optimization pass.
Embodiment 2:
In order to verify that laser follows the tracks of validity and the correctness that model is resolved in multimetering optimization, test as follows, laser tracker measures 36 the space tested points provided by three coordinate measuring machine under 5 erectpositions, and its coordinate figure is as shown in table 1.
36 measurement points (unit: mm) that table 1 three coordinate measuring machine provides
Altogether measure lathe three planes, each plane surveying 12 tested points, the Z axis coordinate of three planes is respectively550.738mm,400.738mm,250.738mm, be initial measurement plane with the plane of Z=550.738mm, number at remaining 12 measurement points of this planar movement clockwise, the first floor starting point spatial value of numbering 1 is (600.498mm, 550.831mm,550.738mm), the second layer starting point coordinate value of numbering 13 is (600.498mm, 550.831mm,400.738mm), the third layer starting point coordinate value of numbering 25 is (600.498mm, 550.831mm,250.738mm).To each coordinate correction value drafting curve map as shown in Figure 3 that laser multimetering Optimized model is asked for.As can be seen from the figure, the threeaxis measurement error of lathe is between 0.01mm to0.008mm.
Claims (1)
1., based on a machine tool error scaling method for laser tracker multimetering technology, comprise following measuring process:
During measurement, first the moving range of each axle of lathe is determined, then in each axle system moving range of lathe, tested point is planned, in the measurement space that the choosing of tested point needs to be distributed in whole lathe, and number in order: the 1st tested point, the 2nd tested point ... nth tested point, presses the discharge serial number of tested point usually, number order does not have mandatory requirement, but will remember the number n of the numbering that each tested point is corresponding and tested point altogether; Then the probe of lathe is displaced with target mirror, laser tracker is placed into the edge in machine tool measuring space, if this erectposition is the initial erectposition of laser tracker, erectposition puts the mobile route that will meet and not hinder lathe, and laser tracker has straight line sighting distance to target mirror under ensureing each erectposition, guarantee that laser tracking head can follow the tested point path preset;
Usually tracker is placed on the periphery of machine tool measuring platform, the moving range of tested point can be met so to greatest extent and guarantee that the erectposition of laser tracker does not affect the movement of lathe;
Control lathe and move to each point to be measured, and measure interference lengthmeasuring value now and record the coordinate figure of tested point under lathe coordinate system, the coordinate figure of following all coordinate systems is all the coordinate figure under lathe coordinate system, move laser tracker successively to all the other erectpositions, suppose that erectposition number is m, the coordinate of each erectposition is (X
_{k}, Y
_{k}, Z
_{k}), wherein k=1,2 ..., m; Lathe arranges n tested point, and the coordinate of tested point is (x
_{i}, y
_{i}, z
_{i}), wherein i=1,2 ..., n; Erectposition number demand fulfillment equation m × n>=3n+4m; ; Move laser tracker successively to each erectposition, and by the complete all tested points of tested point proceeding measurement until complete the measurement of all erectpositions;
If laser tracker is d to the distance of the initial tested point of lathe
_{j}, in measuring process, laser tracker obtains relative interference measurement increment between tested point is l
_{i}, under machine coordinates, choosing the tested point being numbered 1 is initial measurement point, and the initial measurement point tested point all for this reason under each erectposition, when target mirror is from initial measurement point T
_{0}(x, y, z), moves to any tested point T
_{i}(x, y, z), laser tracker interference lengthmeasuring increment is l, then spatially twopoint defined line equation can set up following relational expression:
In above formula, to be that lathe is to be measured respectively count and laser tracker standing capacity i and j; Suppose that laser tracker measures tested point under m erectposition, under lathe coordinate system, the coordinate of each erectposition is (X
_{j}, Y
_{j}, Z
_{j}), wherein j=1,2 ..., m; Lathe has n tested point, the coordinate of tested point is (x
_{i}, y
_{i}, z
_{i}), wherein i=1,2 ..., n;
During actual measurement, l
_{i}true value highprecision interference can be utilized relatively to find range replacement, then the error equation of ith tested point under a jth erectposition is:
If tested point (x
_{i}, y
_{i}, z
_{i}) gather for T, erectposition coordinate (X
_{j}, Y
_{j}, Z
_{j}) gather for P, laser interference lengthmeasuring l
_{i}set is L, to the distance d of initial tested point under each erectposition
_{j}set is D; Least square method process equation (2) is utilized to make error sum of squares E (T, P, D) minimum:
Because equation (2) is a Nonlinear System of Equations, directly use equation (2) to solve abnormal cumbersome, adopt following manner to solve:
Suppose there be n lathe tested point, had m laser tracker standing capacity; Under lathe coordinate system, unknown parameter is 3n tested point coordinate Ti (x
_{i}, y
_{i}, z
_{i}) and 3m laser tracking erectposition coordinate P
_{j}(X
_{j}, Y
_{j}, Z
_{j}) and m each erectposition under to the distance d of initial tested point
_{j}; So unknown number is 3n+4m altogether, and each erectposition can provide n interference lengthmeasuring value, m × n equation altogether, for making equation have solution, and demand fulfillment m × n>=3n+4m, peertopeer (2) is carried out linear expansion and can be obtained:
Wherein:
${L}_{\mathrm{ij}}^{0}={({({x}_{i}^{0}{X}_{j}^{0})}^{2}+{({y}_{i}^{0}{Y}_{j}^{0})}^{2}+{({z}_{i}^{0}{Z}_{j}^{0})}^{2})}^{1/2}$
Equation (4) is optimization and resolves model, needs given iterative initial value, wherein Δ x when the variable being designated as zero is and resolves in formula
_{i}, Δ y
_{i}, Δ z
_{i}, Δ X
_{j}, Δ Y
_{j}, Δ Z
_{j}be respectively the coordinate correction value of reference frame tested point and the corrected value of laser tracker erectposition coordinate particle, Δ d
_{j}for each erectposition particle is to the corrected value of the distance of initial tested point; In actual measurement
initial value needs the D coordinates value optimizing tested point under can directly reading reference frame; And the coordinate initial value of each erectposition particle of laser tracker
with the distance initial value of each erectposition particle to initial tested point
need to ask for the following method:
If the approximate value of laser tracker erectposition coordinate is as iterative initial value, so the tested point coordinate needing to ask for corrected value might as well be set temporarily as true value, then tested point coordinate T in equation (1)
_{i}(x, y, z) and interference lengthmeasuring increment l
_{i}for known variables, utilize the tested point coordinate figure under each erectposition and interference lengthmeasuring increment, respectively the coordinate figure P of Calibration of Laser tracker particle under each erectposition
_{j}the initial tested point distance value d that under (x, y, z) and corresponding erectposition, particle arrives
_{j}, as j=1, then equation (1) becomes:
Write equation (5) as error equation:
Wherein, X
_{1}, Y
_{1}, Z
_{1}for the coordinate figure of laser tracker first erectposition under lathe coordinate system, (x
_{i}, y
_{i}, z
_{i}) tested point coordinate figure i=1 for measuring under corresponding erectposition, 2 ..., n, v
_{i}it is the error amount that under the 1st erectposition, each tested point is corresponding;
If
$k={X}_{1}^{2}+{{Y}_{1}}^{2}+{Z}_{1}^{2}{d}_{1}^{2},$ Carry out least square to above formula to solve and can obtain:
The initial distance value d under the coordinate figure of the 1st erectposition under lathe coordinate system and corresponding erectposition can be tried to achieve in simultaneous equation (7) and (11), with should j=2,3 ... during m, can in the hope of the initial distance value d of all the other erectpositions under the coordinate figure and corresponding erectposition of lathe coordinate system; Utilize the initial value of each erectposition point and tested point measured value and corresponding erectposition to the distance value of initial tested point, namely can pass through the corrected value that equation (4) solves each tested point;
Corrected value is added the threedimensional value of former measurement point is the highprecision threedimensional coordinate figure after final optimization pass.
Priority Applications (1)
Application Number  Priority Date  Filing Date  Title 

CN201410638347.9A CN104374317B (en)  20141106  20141106  Machine tool error scaling method based on laser tracker multimetering technology 
Applications Claiming Priority (1)
Application Number  Priority Date  Filing Date  Title 

CN201410638347.9A CN104374317B (en)  20141106  20141106  Machine tool error scaling method based on laser tracker multimetering technology 
Publications (2)
Publication Number  Publication Date 

CN104374317A true CN104374317A (en)  20150225 
CN104374317B CN104374317B (en)  20170301 
Family
ID=52553373
Family Applications (1)
Application Number  Title  Priority Date  Filing Date 

CN201410638347.9A Active CN104374317B (en)  20141106  20141106  Machine tool error scaling method based on laser tracker multimetering technology 
Country Status (1)
Country  Link 

CN (1)  CN104374317B (en) 
Cited By (15)
Publication number  Priority date  Publication date  Assignee  Title 

CN105698682A (en) *  20160318  20160622  西安交通大学  Lasertrackerbased omnibearing measure method for space precision of machine tool 
CN105737734A (en) *  20160223  20160706  北京工业大学  Laser tacking measurement system taking standard ball as reflecting device 
CN106052556A (en) *  20160622  20161026  北京工业大学  Airspace coordinate correction method for threecoordinate measuring machine based on multistation measurement of laser tracking instrument 
CN106078359A (en) *  20160602  20161109  清华大学  The zero point definition of a kind of planertype many main shafts drilling buildingblock machine and scaling method 
CN106524905A (en) *  20161011  20170322  北京工业大学  Fourshaft machine tool calibration method based on multistation measurement of laser tracker 
CN108180831A (en) *  20171230  20180619  北京工业大学  The CMM error of coordinate update the system uncertainty analysis methods measured based on LT multicourt positions 
CN108344361A (en) *  20180130  20180731  清华大学  A kind of planar process vector quantity measurement method based on laser tracker 
CN108474649A (en) *  20151109  20180831  比约恩·哈布里希  The method and apparatus for measuring the spatial position for determining object by interference length 
CN106363465B (en) *  20161102  20181113  西南交通大学  Multiaxis NC Machine Tools translation shaft and rotary shaft mutual alignment relation discrimination method 
CN109514351A (en) *  20181228  20190326  苏州大学  A kind of scaling method of fiveaxis machine tool 
CN109656013A (en) *  20181217  20190419  中国科学院长春光学精密机械与物理研究所  A kind of large aperture telescope primary mirror cell assembly method based on laser tracker 
CN109764806A (en) *  20190104  20190517  西安交通大学  Sound state calibrating installation and dynamic and static calibration method for laser tracker 
CN109884659A (en) *  20190304  20190614  北京工业大学  Largescale precision turntable scaling method based on laser traces instrument multistation level measuring system 
CN111251072B (en) *  20200330  20210427  成都飞机工业（集团）有限责任公司  Reflector group clamp for detecting precision of numerical control machine tool 
DE112018004038B4 (en)  20170807  20211104  Apre Instruments, Inc.  Measurement of the position of objects in space 
Citations (8)
Publication number  Priority date  Publication date  Assignee  Title 

US20040136012A1 (en) *  20021115  20040715  Leica Geosystems Ag  Method and device for calibrating a measuring system 
CN101551240A (en) *  20090515  20091007  北京工业大学  Largescale gear measuring method based on laser tracking technology 
CN102062575A (en) *  20101110  20110518  西安交通大学  Method for detecting geometric accuracy of numericallycontrolled machine tool based on multichannel laser timesharing measurement 
CN103389038A (en) *  20130716  20131113  西安交通大学  Targeting multistation measuring method for detecting geometric accuracy of numerical control machine tool through laser tracker 
CN103447884A (en) *  20130802  20131218  西安交通大学  Numerical control machine tool translational shaft geometric error measuring device and measuring and identifying method 
CN103499293A (en) *  20130902  20140108  西安交通大学  Virtual multistation type measurement method of laser tracker of numericallycontrolled machine tool 
CN103512511A (en) *  20130926  20140115  南京航空航天大学  Large face automatic measurement method based on laser tracker 
CN103712557A (en) *  20131213  20140409  北京工业大学  Laser tracking multistation positioning method for superlarge gears 

2014
 20141106 CN CN201410638347.9A patent/CN104374317B/en active Active
Patent Citations (9)
Publication number  Priority date  Publication date  Assignee  Title 

US20040136012A1 (en) *  20021115  20040715  Leica Geosystems Ag  Method and device for calibrating a measuring system 
CN101551240A (en) *  20090515  20091007  北京工业大学  Largescale gear measuring method based on laser tracking technology 
CN101551240B (en) *  20090515  20100818  北京工业大学  Largescale gear measuring method based on laser tracking technology 
CN102062575A (en) *  20101110  20110518  西安交通大学  Method for detecting geometric accuracy of numericallycontrolled machine tool based on multichannel laser timesharing measurement 
CN103389038A (en) *  20130716  20131113  西安交通大学  Targeting multistation measuring method for detecting geometric accuracy of numerical control machine tool through laser tracker 
CN103447884A (en) *  20130802  20131218  西安交通大学  Numerical control machine tool translational shaft geometric error measuring device and measuring and identifying method 
CN103499293A (en) *  20130902  20140108  西安交通大学  Virtual multistation type measurement method of laser tracker of numericallycontrolled machine tool 
CN103512511A (en) *  20130926  20140115  南京航空航天大学  Large face automatic measurement method based on laser tracker 
CN103712557A (en) *  20131213  20140409  北京工业大学  Laser tracking multistation positioning method for superlarge gears 
NonPatent Citations (2)
Title 

张宇: "《特大型齿轮激光跟踪在位测量系统的误差建模与测量不确定度分析》", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * 
王金栋 等: "《基于激光跟踪仪的数控机床几何误差辨识方法》", 《机械工程学报》 * 
Cited By (21)
Publication number  Priority date  Publication date  Assignee  Title 

CN108474649A (en) *  20151109  20180831  比约恩·哈布里希  The method and apparatus for measuring the spatial position for determining object by interference length 
CN105737734B (en) *  20160223  20180807  北京工业大学  It is a kind of using standard ball as the laser tracking measurement system of reflection unit 
CN105737734A (en) *  20160223  20160706  北京工业大学  Laser tacking measurement system taking standard ball as reflecting device 
CN105698682B (en) *  20160318  20180316  西安交通大学  A kind of comprehensive measuring method of lathe spatial accuracy based on laser tracker 
CN105698682A (en) *  20160318  20160622  西安交通大学  Lasertrackerbased omnibearing measure method for space precision of machine tool 
CN106078359A (en) *  20160602  20161109  清华大学  The zero point definition of a kind of planertype many main shafts drilling buildingblock machine and scaling method 
CN106052556B (en) *  20160622  20180713  北京工业大学  A kind of three coordinate measuring machine spatial domain coordinates compensation method 
CN106052556A (en) *  20160622  20161026  北京工业大学  Airspace coordinate correction method for threecoordinate measuring machine based on multistation measurement of laser tracking instrument 
CN106524905A (en) *  20161011  20170322  北京工业大学  Fourshaft machine tool calibration method based on multistation measurement of laser tracker 
CN106524905B (en) *  20161011  20190122  北京工业大学  A kind of four axis lathe scaling methods based on the measurement of laser traces instrument multicourt position 
CN106363465B (en) *  20161102  20181113  西南交通大学  Multiaxis NC Machine Tools translation shaft and rotary shaft mutual alignment relation discrimination method 
DE112018004038B4 (en)  20170807  20211104  Apre Instruments, Inc.  Measurement of the position of objects in space 
CN108180831A (en) *  20171230  20180619  北京工业大学  The CMM error of coordinate update the system uncertainty analysis methods measured based on LT multicourt positions 
CN108344361A (en) *  20180130  20180731  清华大学  A kind of planar process vector quantity measurement method based on laser tracker 
CN108344361B (en) *  20180130  20190726  清华大学  A kind of planar process vector quantity measurement method based on laser tracker 
CN109656013A (en) *  20181217  20190419  中国科学院长春光学精密机械与物理研究所  A kind of large aperture telescope primary mirror cell assembly method based on laser tracker 
CN109514351A (en) *  20181228  20190326  苏州大学  A kind of scaling method of fiveaxis machine tool 
CN109764806A (en) *  20190104  20190517  西安交通大学  Sound state calibrating installation and dynamic and static calibration method for laser tracker 
CN109764806B (en) *  20190104  20210119  西安交通大学  Dynamic and static calibration device and dynamic and static calibration method for laser tracker 
CN109884659A (en) *  20190304  20190614  北京工业大学  Largescale precision turntable scaling method based on laser traces instrument multistation level measuring system 
CN111251072B (en) *  20200330  20210427  成都飞机工业（集团）有限责任公司  Reflector group clamp for detecting precision of numerical control machine tool 
Also Published As
Publication number  Publication date 

CN104374317B (en)  20170301 
Similar Documents
Publication  Publication Date  Title 

CN104374317A (en)  Machine tool error calibration method based on multipoint measurement technology of laser tracker  
CN106524905B (en)  A kind of four axis lathe scaling methods based on the measurement of laser traces instrument multicourt position  
CN103115593B (en)  Scanning test head calibrating method  
CN102062575B (en)  Method for detecting geometric accuracy of numericallycontrolled machine tool based on multichannel laser timesharing measurement  
CN106052556B (en)  A kind of three coordinate measuring machine spatial domain coordinates compensation method  
CN103878641B (en)  The rotating shaft geometric error discrimination method that a kind of fiveaxle number control machine tool is general  
CN103712557B (en)  Laser tracking multistation positioning method for superlarge gears  
CN102430959A (en)  Method for quickly detecting kinematic errors of numerical control machine turntable  
CN102200429B (en)  Precision detection method for numerical control machine based on lasertracking combined measurement  
CN103389038B (en)  Laser tracker set the goal multistation measure numericallycontrolled machine geometric accuracy detection method  
CN107588742B (en)  A kind of cylindrical gear profile bias measurement method based on linestructured light  
CN104748702A (en)  Rapid measuring and error compensation method for linearity error of linear guide rail  
CN102721393B (en)  Onsite selfcalibration method for measurement system error of precise rotary table  
CN103791878A (en)  Numericallycontrolled machine tool geometric accuracy identification method  
CN103486984B (en)  The detection method of profile right alignment in a kind of windtunnel  
CN106363465A (en)  Method for identifying mutual position relationship of horizontally moving shafts and rotating shaft of multiaxis numericallycontrolled machine tool  
CN111104727A (en)  Measuring station position optimization method of laser tracking measuring system  
CN103234496B (en)  A kind of Highprecision correction method of three coordinate measuring machine twodimensional stage error  
CN106671081B (en)  A kind of lowermobility robot kinematics calibration method based on monocular vision  
CN108050946A (en)  A kind of gear tooth thickness measuring method based on linestructured light  
CN110108207A (en)  Rotary shaft centre of gyration line geometry error calibrating method based on probe  
CN102506761B (en)  Method using laser tracker to measure aspherical surface peak curvature radius  
CN104483891A (en)  Method for improving machine tool space movement precision  
CN100408975C (en)  ThreeD track measuring markingoff method for segment of cable tower  
CN102207380A (en)  Highprecision horizontal axis tilt error compensation method 
Legal Events
Date  Code  Title  Description 

C06  Publication  
PB01  Publication  
C10  Entry into substantive examination  
SE01  Entry into force of request for substantive examination  
GR01  Patent grant  
GR01  Patent grant 