CN104613897A - Car outer cover part mold free-form surface self-adaption sampling device and measuring method - Google Patents
Car outer cover part mold free-form surface self-adaption sampling device and measuring method Download PDFInfo
- Publication number
- CN104613897A CN104613897A CN201510074572.9A CN201510074572A CN104613897A CN 104613897 A CN104613897 A CN 104613897A CN 201510074572 A CN201510074572 A CN 201510074572A CN 104613897 A CN104613897 A CN 104613897A
- Authority
- CN
- China
- Prior art keywords
- displacement sensor
- laser displacement
- curved surface
- point
- measurement
- 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
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a car outer cover part mold free-form surface self-adaption sampling device and measuring method. The car outer cover part mold free-form surface self-adaption sampling device is composed of a measuring head handle((/b)(b)1(/b)(b)), wherein the measuring head handle is connected with a laser displacement sensor base((/b)(b)2(/b)(b)), the laser displacement sensor base is connected with a laser displacement sensor rotary baffle((/b)(b)3(/b)(b)), the laser displacement sensor rotary baffle is respectively connected with a left laser displacement sensor((/b)(b)6(/b)(b))and a right laser displacement sensor((/b)(b)8(/b)(b)), the left laser displacement sensor and the right laser displacement sensor are respectively connected with a laser displacement sensor connecting plate((/b)(b)4(/b)(b)), and the laser displacement sensor connecting plate is provided with a knob((/b)(b)5(/b)(b)). The car outer cover part mold free-form surface self-adaption sampling device is applied to the technical field of on-machine measurement of numerical control tools.
Description
technical field:
the present invention relates to the adaptively sampled device of a kind of vehicle exterior cladding element mold freedom curved surface and measuring method.Belong to high-precision mold processing technique field.
background technology:
along with the development of modern processing, the competitive pressure in market is increasing, in closely Aero-Space relevant to Modern Manufacturing Technology, the fields such as automobile, such as impeller, the part of the free form surface series such as automobile panel obtains increasingly extensive application, therefore the crudy of part obtains and pays close attention to widely, its machining precision must be detected by carrying out digitized measurement to free form surface, Surface Digitizing is measured and is mainly comprised contact type measurement and the large class of non-contact measurement two, contact type measurement utilizes multiple gauge head to realize the measurement of various surfaces externally and internally, counting of sampled point just becomes important studying a question with reasonable layout, the measuring method principles such as its intermediate reach are simple and be easy to realize, be widely used in actual measurement but also there is deficiency clearly, in addition as etc. arc length uniform grid partitioning technology, realized on the one hand the division of non-uniform grid by man-machine interaction, require the boundary curve of known curved surface on the other hand, the arc length such as real can not be realized.Traditional method of sampling is owing to relating to the calculating of curvature of curved surface, therefore be only confined to carry out sampled point planning to the free form surface of known mathematical model (concrete function expression), but the free form surface Sampling of known cad model can not be solved, be difficult to realize effective docking of CAD system and On-machine Test system (OMV).For mould unknown free curved face, by the noncontacting measurement device combined by 3 laser displacement sensors, self-adaptation arranges sampled point.Namely based on the change of Surface Method vector, at curved surface degree of crook comparatively large regions, sampled point is intensive, otherwise, the degree of crook zonule of curved surface, sampled point is also more sparse; If tested Unknown curve surface in sampling planning side, direction change greatly, self-adaptation can arrange some bias points etc. as required.This research adopts the free form surface of laser heed contacted measure method to car outer covering piece mould to carry out adaptively sampled planning.
summary of the invention:
the object of this invention is to provide the adaptively sampled device of a kind of car outer covering piece mold freedom curved surface and measuring method.
above-mentioned object is realized by following technical scheme:
the adaptively sampled device of a kind of vehicle exterior cladding element mold freedom curved surface, its composition comprises: gauge head handle, described gauge head handle is connected with laser displacement sensor pedestal, described laser displacement sensor pedestal is connected with laser displacement sensor butterfly, described laser displacement sensor butterfly is connected with left laser displacement sensor, right laser displacement sensor respectively, described left laser displacement sensor, described right laser displacement sensor are connected with laser displacement sensor web joint respectively, and described laser displacement sensor web joint is provided with knob.
the described adaptively sampled device of vehicle exterior cladding element mold freedom curved surface, be provided with front laser displacement sensor between described laser displacement sensor web joint, described front laser displacement sensor is connected on laser displacement sensor pedestal by laser displacement sensor web joint.
the described adaptively sampled device of vehicle exterior cladding element mold freedom curved surface, described left laser displacement sensor, described right laser displacement sensor and described front laser displacement sensor are launched three beams of laser downwards and are formed a triangle plane measured zone on Mould Machining surface, and this area size carries out by knob the angle regulating laser displacement sensor injection laser.
the described adaptively sampled device of vehicle exterior cladding element mold freedom curved surface, described left laser displacement sensor is LDL, and described right laser displacement sensor is LDR, and described front laser displacement sensor is LDF.
the measuring method of the described adaptively sampled device of vehicle exterior cladding element mold freedom curved surface, the method comprises the steps:
(1) before measurement starts, we need the surving coordinate system setting up three laser displacement sensors, title is respectively LDF, LDL, LDR, and arrive the frame of reference by coordinate conversion by unified for three coordinate systems, three coordinate systems are connected to form the equal equilateral triangle of a length of side, also can form other form triangle.
(2) set machine origin as O, three change in coordinate axis direction are consistent with the direction of machine tool guideway, set up lathe coordinate system Oxyz, set up sensor measurement coordinate system, when measuring machine is started working, LDL measured value is the point of zero is initial point, set up LDL and correspond to the coordinate system of lathe, on lathe, finally place ball set up the frame of reference, coordinate axis corresponding to each coordinate system with, axle is parallel and direction needs consistent.Carry out rotating, so coordinate system self rotation matrix T will be set up along Y-axis to laser displacement sensor.
(3) start after coordinate conversion along setting trajectory measurement, LDF starts to seek border, and mobile laser measuring device for measuring is to starting point, and open LDF, other two wouldn't work.Allow device move up along one party, when gauge head enters surface boundary R, output signal can be undergone mutation, this sudden change coordinate figure of at this moment Survey Software immediate record, and saves as frontier point.
(4) LDF explores the way footpath, along measurement of curved surface direction, open three sensors simultaneously, mobile 3 laser measuring device for measuring obtain the normal vector of triangle plane, during current rear curved surface normal vector angle numerical value change, when namely exceeding Minimum deviation angle, if Minimum deviation angle is threshold value, record measurement point, for providing data foundation during overall measurement.Deflection angle like this between the front and back Surface Method vector of precipitous obvious region curved surface is larger, so the spacing between consecutive point is less, measurement point is just many; Before and after precipitous unconspicuous region, the normal vector deflection angle of curved surface is less, then the spacing between consecutive point is also larger, and measurement point is just little, thus realizes the self-adaptation distribution of sampled point;
particularly measure the left and right directions of track comparatively precipitous time, so the normal vector that calculates of 3 laser measuring device for measuring can the precipitous side deflection to curved surface left and right; When the deflection side component angle of this normal vector deflection side component and above normal vector exceedes Minimum deviation angle, if Minimum deviation angle is threshold value, increase sampled point along yawing moment.
beneficial effect of the present invention:
1. this device and adaptively sampled method benefit to the Free-Form Surface Machining precision analyzing mould, the present invention avoids there is contact force owing to measuring, and contact measurement can not be carried out to the object such as soft, frangible, avoid when measuring, making workpiece produce distortion, have very high measuring accuracy, good reliability and stability, the measurement data obtained does not need to carry out contact radius compensation.
the present invention's 3 laser measuring device for measuring are special in vehicle exterior cladding element mold freedom curved surface, and especially have specific aim clearly to the measurement of mould sheer face, self-adaptation can arrange sampled point, the maximum error of fitting of reconstructed surface is 0.02mm.
the present invention's 3 laser measuring device for measuring measuring methods are simple, be the curve of about 100mm for length, reference mark is generally comparatively suitable at 30 ~ 40, can under the prerequisite meeting die curve accuracy requirement, increase work efficiency, it is higher than contact type measurement by 15% that the results show measures efficiency, and speed promotes 11%, and sampled point has the distribution of obvious self-adaptation.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
accompanying drawing 2 is front views of accompanying drawing 1.
accompanying drawing 3 is left views of accompanying drawing 1.
accompanying drawing 4 is vertical views of accompanying drawing 1.
accompanying drawing 5 is structure of the present invention and instrumentation plan.
accompanying drawing 6 is sampling schematic flow sheets of the present invention.
accompanying drawing 7 is establishment of coordinate system schematic diagram of the present invention.
accompanying drawing 8 is that direction of measurement up-sampling implementation procedure A of the present invention schemes.
accompanying drawing 9 is that direction of measurement up-sampling implementation procedure B of the present invention schemes.
accompanying drawing 10 is that direction of measurement up-sampling implementation procedure C of the present invention schemes.
accompanying drawing 11 is that direction of measurement up-sampling implementation procedure D of the present invention schemes.
accompanying drawing 12 is normal vector schematic diagram of the little curved surface of the tested the unknown of the present invention.
accompanying drawing 13 is normal vector group schematic diagram of the unknown little curved surface of the present invention.
accompanying drawing 14 is the angle schematic diagram between the present invention's two normal vectors.
accompanying drawing 15 is self-adaptation distribution schematic diagrams of sampled point of the present invention.
accompanying drawing 16 be Unknown curve surface of the present invention precipitous large time normal vector to the swing schematic diagram of opposite side.
accompanying drawing 17 is decomposing schematic representations of deflecting method vector of the present invention.
embodiment:
embodiment 1:
the adaptively sampled device of a kind of vehicle exterior cladding element mold freedom curved surface, its composition comprises: gauge head handle 1, described gauge head handle is connected with laser displacement sensor pedestal 2, described laser displacement sensor pedestal is connected with laser displacement sensor butterfly 3, described laser displacement sensor butterfly respectively with left laser displacement sensor 6, right laser displacement sensor 8 connects, described left laser displacement sensor, described right laser displacement sensor is connected with laser displacement sensor web joint 4 respectively, described laser displacement sensor web joint is provided with knob 5.
embodiment 2:
the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface according to embodiment 1, be provided with front laser displacement sensor 7 between described laser displacement sensor web joint, described front laser displacement sensor is connected on laser displacement sensor pedestal by laser displacement sensor web joint.
embodiment 3:
the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface according to embodiment 1 or 2, described left laser displacement sensor, described right laser displacement sensor and described front laser displacement sensor are launched three beams of laser downwards and are formed a triangle plane measured zone on Mould Machining surface, and this area size carries out by knob the angle regulating laser displacement sensor injection laser.
embodiment 4:
the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface according to embodiment 1 or 2 or 3, described left laser displacement sensor is LDL, and described right laser displacement sensor is LDR, and described front laser displacement sensor is LDF.
embodiment 5:
a measuring method for the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface described in embodiment 1-4, is characterized in that: the method comprises the steps:
(1) before measurement starts, we need the surving coordinate system setting up three laser displacement sensors, title is respectively LDF, LDL, LDR, and arrive the frame of reference by coordinate conversion by unified for three coordinate systems, three coordinate systems are connected to form the equal equilateral triangle of a length of side, also can form other form triangle.
(2) set machine origin as O, three change in coordinate axis direction are consistent with the direction of machine tool guideway, set up lathe coordinate system Oxyz, set up sensor measurement coordinate system, when measuring machine is started working, LDL measured value is the point of zero is initial point, set up LDL and correspond to the coordinate system of lathe, on lathe, finally place ball set up the frame of reference, coordinate axis corresponding to each coordinate system with, axle is parallel and direction needs consistent.Carry out rotating, so coordinate system self rotation matrix T will be set up along Y-axis to laser displacement sensor.
(3) start after coordinate conversion along setting trajectory measurement, LDF starts to seek border, and mobile laser measuring device for measuring is to starting point, and open LDF, other two wouldn't work.Allow device move up along one party, when gauge head enters surface boundary R, output signal can be undergone mutation, this sudden change coordinate figure of at this moment Survey Software immediate record, and saves as frontier point.
(4) LDF explores the way footpath, along measurement of curved surface direction, open three sensors simultaneously, mobile 3 laser measuring device for measuring obtain the normal vector of triangle plane, during current rear curved surface normal vector angle numerical value change, when namely exceeding Minimum deviation angle, if Minimum deviation angle is threshold value, record measurement point, for providing data foundation during overall measurement.Deflection angle like this between the front and back Surface Method vector of precipitous obvious region curved surface is larger, so the spacing between consecutive point is less, measurement point is just many; Before and after precipitous unconspicuous region, the normal vector deflection angle of curved surface is less, then the spacing between consecutive point is also larger, and measurement point is just little, thus realizes the self-adaptation distribution of sampled point;
particularly measure the left and right directions of track comparatively precipitous time, so the normal vector that calculates of 3 laser measuring device for measuring can the precipitous side deflection to curved surface left and right; When the deflection side component angle of this normal vector deflection side component and above normal vector exceedes Minimum deviation angle, if Minimum deviation angle is threshold value, increase sampled point along yawing moment.
embodiment 6:
ordinate transform
because we will carry out rotating, so will set up coordinate system self rotation matrix T along Y-axis to laser displacement sensor.
。To coordinate conversion can be
, the coordinate conversion in like manner arrived can be
.
) can be expressed as to coordinate transformation relation:
（1）
in formula, be respectively rotation matrix and translation matrix, due to parallel with direction concord between each coordinate system,
value can be read by the position relationship of lathe,
.
if the length of laser is h, then can be expressed as, substitute into (1) Shi Ke get;
（2）
3) to transformational relation can be expressed as
（3）
in formula,
with
for
rotation matrix and translation matrix,
。LDL can be utilized to measure the standard ball on worktable, ask for matching centre coordinate and obtain, if the centre coordinate of trying to achieve is,
then
above-mentioned each value is substituted into Shi Ke get
（4）
under just measured value can being converted into fundamental coordinate system by above-mentioned formula, in like manner LDF, LDR are too.
embodiment 7:
adaptivizing pianning measurement point
open three sensors, laser measuring device for measuring starts to measure simultaneously, according to the sampled data of LDF, and reasonable distribution sampled point.
if triangle A, B, C are that the summit of triangular form is respectively:
, they form a plane zonule, when plane is enough little, can be seen as approximate in the same plane with the little curved surface of tested the unknown.
if the normal vector of a certain measured point of plane is
, then:
（5）
the value of then trying to achieve m, n, q is:
（6）
if device moves to next facet corresponding position, any normal vector is
, the normal vector of two points is in same level as far as possible,
value and algorithm one above.
if the angle between two normal vectors is have following formula:
（7）
according to above-mentioned formula, we can be in the hope of the value of angle:
（8）
in order to reasonable Arrangement sampled point, first we arrange a Minimum deviation angle (threshold value).Then according to the character of tested Unknown curve surface, the precipitous injustice of curved surface, the corner between the normal vector of precipitous obvious region curved surface is larger, so the spacing between consecutive point is less, measurement point is just many; Less at the normal vector corner of precipitous unconspicuous region curved surface, then the spacing between consecutive point is also larger, and measurement point is just little, thus realizes the self-adaptation distribution of sampled point.
embodiment 8:
process deflecting method vector
in measuring process, if to run into free form surface very precipitous in institute, the left and right directions particularly measuring track is comparatively precipitous, and the normal vector that so 3 laser measuring device for measuring calculate can the precipitous side deflection to curved surface left and right., there is the swing to measuring track side in normal vector " t ", now on tested triangle facet, the normal vector deflection of any just can not be ignored, and at this moment carries out normal vector deflection calculation.If measurement point direction is same direction with measuring track, by this measurement point normal vector " t ", to be decomposed into, two components, and mutually vertical, with the angle of t to be wherein, so, equal:
(9)
if this point exceedes threshold value (arranging a Minimum deviation angle) with the component angle of normal vector above, just along yawing moment increase sampled point, Unknown curve surface precipitous large time normal vector to the swing of side.
embodiment 9:
the decomposition of deflecting method vector
precipitous for tested Unknown curve surface, its biased direction arranges some bias points, mainly considers that normal vector waves the normal vector component in direction and the component angle of previous normal vector, according to its numerical values recited layout bias point.After arranging bias point, return original track.
curved measurement point arranges, and returns starting point, and LDF continues to seek border, after determining starting point, along Boundary Moving, determines border, analyzes data boundary, with another sampled point for starting point proceeds to measure until measure whole curved surface.Each measures cross section by equidistantly distribution, and this can cause, and cross-sectional distribution is unreasonable affects curve reestablishing precision, shown in need pair cross-section to segment; First according to equidistantly measuring, calculating the deflection of borderline method vector, then calculating the distribution of border up-sampling point according to corner size.
Claims (5)
1. the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface, its composition comprises: gauge head handle, it is characterized in that: described gauge head handle is connected with laser displacement sensor pedestal, described laser displacement sensor pedestal is connected with laser displacement sensor butterfly, described laser displacement sensor butterfly respectively with left laser displacement sensor, right laser displacement sensor connects, described left laser displacement sensor, described right laser displacement sensor is connected with laser displacement sensor web joint respectively, described laser displacement sensor web joint is provided with knob.
2. the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface according to claim 1, it is characterized in that: be provided with front laser displacement sensor between described laser displacement sensor web joint, described front laser displacement sensor is connected on laser displacement sensor pedestal by laser displacement sensor web joint.
3. the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface according to claim 1 and 2, it is characterized in that: described left laser displacement sensor, described right laser displacement sensor and described front laser displacement sensor are launched three beams of laser downwards and formed a triangle plane measured zone on Mould Machining surface, and this area size carries out by knob the angle regulating laser displacement sensor injection laser.
4. the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface according to claim 1 or 2 or 3, it is characterized in that: described left laser displacement sensor is LDL, described right laser displacement sensor is LDR, and described front laser displacement sensor is LDF.
5. a measuring method for the adaptively sampled device of vehicle exterior cladding element mold freedom curved surface that one of claim 1-4 is described, is characterized in that: the method comprises the steps:
(1) before measurement starts, we need the surving coordinate system setting up three laser displacement sensors, title is respectively LDF, LDL, LDR, and arrive the frame of reference by coordinate conversion by unified for three coordinate systems, three coordinate systems are connected to form the equal equilateral triangle of a length of side, also can form other form triangle;
(2) set machine origin as O, three change in coordinate axis direction are consistent with the direction of machine tool guideway, set up lathe coordinate system Oxyz, set up sensor measurement coordinate system, and when measuring machine is started working, LDL measured value is the point of zero is initial point
, set up the coordinate system that LDL corresponds to lathe, on lathe, finally place ball set up the frame of reference
, coordinate axis corresponding to each coordinate system with, axle is parallel and direction needs consistent, carry out rotating, so coordinate system self rotation matrix T will be set up along Y-axis to laser displacement sensor;
(3) start after coordinate conversion along setting trajectory measurement, LDF starts to seek border, mobile laser measuring device for measuring is to starting point, open LDF, other two wouldn't work, allow device move up along one party, when gauge head enters surface boundary R, output signal can be undergone mutation, this sudden change coordinate figure of at this moment Survey Software immediate record, and saves as frontier point;
(4) LDF explores the way footpath, along measurement of curved surface direction, open three sensors, mobile 3 laser measuring device for measuring obtain the normal vector of triangle plane simultaneously, during current rear curved surface normal vector angle numerical value change, when namely exceeding Minimum deviation angle, if Minimum deviation angle is threshold value, record measurement point, for providing data foundation during overall measurement, deflection angle like this between the front and back Surface Method vector of precipitous obvious region curved surface is larger, so the spacing between consecutive point is less, measurement point is just many; Before and after precipitous unconspicuous region, the normal vector deflection angle of curved surface is less, then the spacing between consecutive point is also larger, and measurement point is just little, thus realizes the self-adaptation distribution of sampled point;
Particularly measure the left and right directions of track comparatively precipitous time, so the normal vector that calculates of 3 laser measuring device for measuring can the precipitous side deflection to curved surface left and right; When the deflection side component angle of this normal vector deflection side component and above normal vector exceedes Minimum deviation angle, if Minimum deviation angle is threshold value, increase sampled point along yawing moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074572.9A CN104613897B (en) | 2015-02-12 | 2015-02-12 | The adaptively sampled device of vehicle exterior cladding element mold freedom curved surface and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074572.9A CN104613897B (en) | 2015-02-12 | 2015-02-12 | The adaptively sampled device of vehicle exterior cladding element mold freedom curved surface and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613897A true CN104613897A (en) | 2015-05-13 |
| CN104613897B CN104613897B (en) | 2017-10-13 |
Family
ID=53148458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510074572.9A Expired - Fee Related CN104613897B (en) | 2015-02-12 | 2015-02-12 | The adaptively sampled device of vehicle exterior cladding element mold freedom curved surface and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104613897B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092005A (en) * | 2016-06-03 | 2016-11-09 | 哈尔滨东安发动机（集团）有限公司 | Three coordinate machine measures the method for free curve |
| CN106225718A (en) * | 2016-09-12 | 2016-12-14 | 武汉科技大学 | Contour detecting gauge head, detector and detection method |
| CN106441168A (en) * | 2016-08-30 | 2017-02-22 | 南京理工大学 | Rolling linear guide rail pair slider profile accuracy measurement method |
| WO2017128885A1 (en) * | 2016-01-28 | 2017-08-03 | 江苏理工学院 | Device for measuring carbon fiber composite vehicle bodies |
| CN107063149A (en) * | 2017-03-09 | 2017-08-18 | 珠海格力大金精密模具有限公司 | Numerical control electric spark process equipment automatic checkout system and method |
| CN107238353A (en) * | 2017-05-31 | 2017-10-10 | 天津大学 | A kind of rotation angle measuring method based on primary standard of curved surface part |
| CN109489556A (en) * | 2019-01-05 | 2019-03-19 | 中国航空制造技术研究院 | A kind of contact curved surface normal direction measuring device and method for aircraft assembly |
| CN111409023A (en) * | 2020-03-17 | 2020-07-14 | 天津大学 | Three-laser displacement sensor clamp convenient for angle adjustment |
| CN113109346A (en) * | 2021-03-08 | 2021-07-13 | 中国第一汽车股份有限公司 | Automatic surface quality detection system and method for automobile panel plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004111927A2 (en) * | 2003-06-13 | 2004-12-23 | UNIVERSITé LAVAL | Three-dimensional modeling from arbitrary three-dimensional curves |
| CN101000499A (en) * | 2006-12-18 | 2007-07-18 | 浙江大学 | Contour machining method and system based on multi-sensor integral measuring |
| CN101149253A (en) * | 2007-10-16 | 2008-03-26 | 浙江大学 | Unknown free-form surface self-adaptive measuring method based on exploration method and measuring head device |
| CN101216295A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | Combined point laser feeler based unknown free curved face measurement method and feeler device |
| JP2010181157A (en) * | 2009-02-03 | 2010-08-19 | Nikon Corp | Apparatus for three-dimensional measurement |
| CN102322793A (en) * | 2011-05-12 | 2012-01-18 | 浙江大学 | Real-time radius compensation method and measuring head device applied to portable coordinate measuring machines |
-
2015
- 2015-02-12 CN CN201510074572.9A patent/CN104613897B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004111927A2 (en) * | 2003-06-13 | 2004-12-23 | UNIVERSITé LAVAL | Three-dimensional modeling from arbitrary three-dimensional curves |
| CN101000499A (en) * | 2006-12-18 | 2007-07-18 | 浙江大学 | Contour machining method and system based on multi-sensor integral measuring |
| CN101149253A (en) * | 2007-10-16 | 2008-03-26 | 浙江大学 | Unknown free-form surface self-adaptive measuring method based on exploration method and measuring head device |
| CN101216295A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | Combined point laser feeler based unknown free curved face measurement method and feeler device |
| JP2010181157A (en) * | 2009-02-03 | 2010-08-19 | Nikon Corp | Apparatus for three-dimensional measurement |
| CN102322793A (en) * | 2011-05-12 | 2012-01-18 | 浙江大学 | Real-time radius compensation method and measuring head device applied to portable coordinate measuring machines |
Non-Patent Citations (1)
| Title |
|---|
| 卢科青等: "基于双测头组合的未知自由曲面自适应采样", 《浙江大学学报》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017128885A1 (en) * | 2016-01-28 | 2017-08-03 | 江苏理工学院 | Device for measuring carbon fiber composite vehicle bodies |
| CN106092005A (en) * | 2016-06-03 | 2016-11-09 | 哈尔滨东安发动机（集团）有限公司 | Three coordinate machine measures the method for free curve |
| CN106441168B (en) * | 2016-08-30 | 2019-01-04 | 南京理工大学 | The measurement method of linear rolling guide slider type face precision |
| CN106441168A (en) * | 2016-08-30 | 2017-02-22 | 南京理工大学 | Rolling linear guide rail pair slider profile accuracy measurement method |
| CN106225718B (en) * | 2016-09-12 | 2018-06-26 | 武汉科技大学 | Contour detecting gauge head, detector and detection method |
| CN106225718A (en) * | 2016-09-12 | 2016-12-14 | 武汉科技大学 | Contour detecting gauge head, detector and detection method |
| CN107063149A (en) * | 2017-03-09 | 2017-08-18 | 珠海格力大金精密模具有限公司 | Numerical control electric spark process equipment automatic checkout system and method |
| CN107238353A (en) * | 2017-05-31 | 2017-10-10 | 天津大学 | A kind of rotation angle measuring method based on primary standard of curved surface part |
| CN107238353B (en) * | 2017-05-31 | 2019-05-24 | 天津大学 | A kind of rotation angle measuring method based on primary standard of curved surface part |
| CN109489556A (en) * | 2019-01-05 | 2019-03-19 | 中国航空制造技术研究院 | A kind of contact curved surface normal direction measuring device and method for aircraft assembly |
| CN109489556B (en) * | 2019-01-05 | 2020-09-08 | 中国航空制造技术研究院 | Contact type curved surface normal measurement device and method for airplane assembly |
| CN111409023A (en) * | 2020-03-17 | 2020-07-14 | 天津大学 | Three-laser displacement sensor clamp convenient for angle adjustment |
| CN113109346A (en) * | 2021-03-08 | 2021-07-13 | 中国第一汽车股份有限公司 | Automatic surface quality detection system and method for automobile panel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104613897B (en) | 2017-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104613897A (en) | Car outer cover part mold free-form surface self-adaption sampling device and measuring method | |
| CN106354094B (en) | Lathe slave laser scanning coordinate scaling method based on space criteria ball | |
| Quinsat et al. | Characterization of 3D surface topography in 5-axis milling | |
| CN102785129B (en) | The online test method of the surface machining accuracy of complex parts | |
| CN100387931C (en) | Wide range and high precision free curved surface measuring method | |
| CN110262394A (en) | The compensation method of profile errors in a kind of numerical control processing | |
| CN109163675B (en) | Method for detecting angular pendulum shaft position accuracy based on laser tracker | |
| CN106078359B (en) | A kind of zero definition of more main shaft drilling building-block machines of planer-type and scaling method | |
| CN108445839B (en) | Machine tool precision sensitivity analysis method based on error increment | |
| CN103034166A (en) | Recognition method of critical geometrical error source of machine tool | |
| CN109631847B (en) | Threaded target pose calculation method based on point cloud data | |
| CN103481122A (en) | Contact measurement error compensation method oriented to freeform surface and compensation system | |
| CN102937426A (en) | Measurement method for large and complex parts based on robot visual servo | |
| CN107992647A (en) | A kind of local parallel dimension chain error acquisition methods influenced by geometry | |
| CN103191958B (en) | A kind of optical detecting method of sheet forming resilience | |
| CN104102173A (en) | Numerical Controller | |
| CN107726982A (en) | A kind of laser range sensor error in mounting position scaling method | |
| CN104850061A (en) | Prediction apparatus and prediction method for milling stability domain of complex curved surface of outer cover member mold | |
| CN113551593B (en) | Line laser sensor calibration method for gluing robot | |
| Maščeník et al. | Component Selected Parametres Geometrical Tolerance Value Experimental Specification | |
| CN202994106U (en) | Large-scale complex part measuring device based on robot visual servo | |
| CN108692806A (en) | The measurement method of power ultrasonic intensity distribution in solid | |
| CN104965958A (en) | Error compensation control method for stack worktable | |
| Chen et al. | A novel reconstruction method for on-machine measurement of parallel profiles with a four-probe scanning system | |
| CN104597836A (en) | Comprehensive rigidity performance based cutting method for four-axis processing system of outer covering part die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20180212 |