CN107976165B - The method of three coordinate measuring machine automatic measurement stabiliser bar - Google Patents
The method of three coordinate measuring machine automatic measurement stabiliser bar Download PDFInfo
- Publication number
- CN107976165B CN107976165B CN201610937798.1A CN201610937798A CN107976165B CN 107976165 B CN107976165 B CN 107976165B CN 201610937798 A CN201610937798 A CN 201610937798A CN 107976165 B CN107976165 B CN 107976165B
- Authority
- CN
- China
- Prior art keywords
- stabiliser bar
- measuring machine
- coordinate measuring
- shaft
- coordinate
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
Abstract
The invention discloses the methods of three coordinate measuring machine automatic measurement stabiliser bar, comprising: a, three coordinate measuring machine are according to stabiliser bar 3-dimensional image model and the physical quantity planning survey path to be measured；B, first stabiliser bar to be measured is located on fixture；C, measurement is located at inner side plane, medial plane and the end holes of the first and second benchmark cylinders of shaft, the third and fourth benchmark cylinder and each end that are located in two lateral bending portions in the middle part of stabiliser bar；D, two end datum marks and the first, second shaft datum mark are obtained；E, the workpiece coordinate system of three coordinate measuring machine is established, is then adjusted to consistent with the coordinate system of stabiliser bar workpiece drawing；F, it generates workpiece coordinate system and establishes program；G, according to first stabiliser bar to be measured of measuring route automatic measurement.Time of measuring of the present invention is short, and measurement accuracy is high.
Description
Technical field
The present invention relates to the methods of three coordinate measuring machine automatic measurement automobile stabilizer bar.
Background technique
Automobile stabilizer bar is the important composition component of automobile suspension system, and manufacturing quality is directly related to automotive suspension system
The performance of system and service life.Therefore, it is necessary to carry out very accurate detection in automobile stabilizer bar production process, to guarantee product
Precision and tolerance cooperation.Currently, mainly or by manual gauge detected to the detection of automobile stabilizer bar, not only detection time
It is long, it is time-consuming and laborious, and since the factor by human interference is more, cause measurement accuracy also not high.
Three coordinate measuring machine is the common device for measuring part size data, and tested part is placed in three-dimensional coordinates measurement space
In, it can get the coordinate position of each measuring point on tested part, according to the spatial value that these are put, tested part can be found out
Geometric dimension, shape and position.Although three coordinate measuring machine has been obtained be widely applied at present, it is often limited to
The chamfered shape of tested part, when the chamfered shape of part is more complicated, need on some datum level project or repeatedly into
Row transformation of criterion, so that satisfactory measurement accuracy and measurement speed can not be reached when measuring using three coordinate measuring machine
Degree.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of side with three coordinate measuring machine automatic measurement stabiliser bar
Method, this method time of measuring is short, and measurement accuracy is high.
In order to solve the above technical problems, the technical solution used in the present invention is:
The method of three coordinate measuring machine automatic measurement stabiliser bar, comprising the following steps:
Step a, the 3-dimensional image model of stabiliser bar is imported into three coordinate measuring machine；Three coordinate measuring machine is steady according to this
The 3-dimensional image model of fixed pole and the stabiliser bar physical quantity planning survey path to be measured, make the stylus of three coordinate measuring machine exist
It will not be interfered with stabiliser bar in measurement process；
Step b, first stabiliser bar to be measured is located on the fixture of three coordinate measuring machine, makes it in measurement process
It will not shake；
Step c, manual control three coordinate measuring machine measures the stylus of three coordinate measuring machine and is located at shaft in the middle part of stabiliser bar
The first benchmark cylinder and the second benchmark cylinder, be located at third base in the middle part of stabiliser bar in two lateral bending portions of shaft two sides
Inner side plane, medial plane and the end holes of director circle column and the 4th benchmark cylinder and each stabilizer bar end；
Step d, three coordinate measuring machine is according to the inner side plane of each stabilizer bar end and the measurement coordinate value of medial plane,
The split for constructing each stabilizer bar end projects in the center of circle of the end holes of each stabilizer bar end to the stabilizer bar end
Split, obtain two end datum marks；Also, by will be in the center line of the first benchmark cylinder and third benchmark cylinder
The intersection of heart line obtains the first shaft datum mark, and the center line of the second benchmark cylinder is intersected with the center line of the 4th benchmark cylinder and is obtained
Obtain the second shaft datum mark；
Step e, two end datum marks of three coordinate measuring machine, the first shaft datum mark and the building of the second shaft datum mark
The midpoint of the line of two end datum marks is projected to the line of the first shaft datum mark and the second shaft datum mark by one plane
It is upper to be used as coordinate origin, three-dimensional coordinates measurement is established by 321 rules based on the coordinate origin and constructed plane
The workpiece coordinate system of machine, then the workpiece coordinate system of three coordinate measuring machine is adjusted to the coordinate system one with stabiliser bar workpiece drawing
It causes；
Step f, three coordinate measuring machine records above-mentioned step c to step e, and generates workpiece coordinate system and establish program；
Step g, three coordinate measuring machine obtains first according to first stabiliser bar to be measured of the planning path automatic measurement
The measurement data of root stabiliser bar to be measured.
After adopting the above technical scheme, the present invention has at least the following advantages:
Method of the invention can carry out automatic measurement to the secondary stabiliser bar product of same model more than one piece, with previous measurement side
Formula is compared, and time of measuring is substantially reduced, and improves measurement efficiency, and alleviates the work load of survey crew.In addition, with existing
Some detects the situation for causing the fluctuation of testing result larger because being often subject to interference from human factor manually and compares, the present invention by
Then it is measured using machine, it is reproducible, thus more accurate measurement result can be obtained.
Detailed description of the invention
Fig. 1 show method according to an embodiment of the invention automobile stabilizer bar obtained two end datum marks,
First shaft datum mark and the second shaft datum mark.
Fig. 2 shows the splits of method according to an embodiment of the invention automobile stabilizer bar end obtained.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
The method of three coordinate measuring machine automatic measurement stabiliser bar according to an embodiment of the invention, comprising the following steps:
Step a, the 3-dimensional image model of stabiliser bar is imported into three coordinate measuring machine；Three coordinate measuring machine is steady according to this
The 3-dimensional image model of fixed pole and the stabiliser bar physical quantity planning survey path to be measured, make the stylus of three coordinate measuring machine exist
It will not be interfered with stabiliser bar to be measured in measurement process.The above-mentioned stabiliser bar physical quantity to be measured includes but is not limited to take turns
Wide degree, flatness, depth of parallelism etc., above-mentioned measuring route includes detection range, retract the parameters such as distance.
Step b, first stabiliser bar to be measured is located on the fixture of three coordinate measuring machine, makes it in measurement process
It will not shake；
Step c, incorporated by reference to shown in Fig. 1 and Fig. 2.Manual control three coordinate measuring machine surveys the stylus of three coordinate measuring machine
Amount is located at the first benchmark cylinder 111 of shaft 11 and the second benchmark cylinder 112 in the middle part of stabiliser bar, is located at bar in the middle part of stabiliser bar
Third benchmark cylinder 113 and the 4th benchmark cylinder 114 and each stabilizer bar end 13 in two lateral bending portions 12 of body two sides
Inner side plane 131, medial plane 132 and end holes 130.
Any one cylinder in the middle part of stabiliser bar between the midpoint and stabiliser bar side turning position of shaft 11 can be chosen
Part is used as the first benchmark cylinder 111, chooses in the middle part of stabiliser bar between the midpoint and stabiliser bar other side turning position of shaft 11
Any one column part as the second benchmark cylinder 112, can choose respectively in two lateral bending portions 12 any one circle
Post part is respectively as third benchmark cylinder 113 and the 4th benchmark cylinder 114.In the present embodiment, bar in the middle part of stabiliser bar is chosen
That cylinder close to stabiliser bar side turning position is chosen as the first benchmark cylinder 111 and is located at stabiliser bar side with it
Lateral bending portion on close to stabiliser bar side turning position that cylinder be used as third benchmark cylinder 113, selection stabiliser bar in
That cylinder on portion's shaft close to stabiliser bar other side turning position is chosen to be located at and be stablized as the second benchmark cylinder 112
That cylinder in the lateral bending portion of the bar other side close to stabiliser bar other side turning position is as the 4th benchmark cylinder 114.It is logical
The center line that measuring basis cylinder is known that the benchmark cylinder is crossed, is known that end holes 130 by measurement end holes 130
The center of circle.
Step d, three coordinate measuring machine is according to the inner side plane 131 of each stabilizer bar end and the measurement of medial plane 132
Coordinate value constructs the split 133 (being represented by dashed line in Fig. 2) of each stabilizer bar end, by the end of each stabilizer bar end
The center of circle of head bore is projected to the split of the stabilizer bar end, obtains two ends datum mark PT1, PT2；Also, by by
The center line X1 of one benchmark cylinder 111 intersects with the center line X3 of third benchmark cylinder 133 obtains the first shaft datum mark PT3,
The center line X2 of second benchmark cylinder 112 is intersected with the center line X4 of the 4th benchmark cylinder 114 and obtains the second shaft datum mark
PT4。
Step e, three coordinate measuring machine two end datum mark PT1, PT2, the first shaft datum mark PT3 and the second shaft
Datum mark PT4 constructs a plane, and the midpoint PT0 of the line L1 of two ends datum mark PT1, PT2 are projected to the first shaft base
Coordinate origin O is used as on the line L2 of PT3 and the second shaft datum mark PT4 on schedule, based on coordinate origin O and constructed
Plane establish the workpiece coordinate system of three coordinate measuring machine by 321 rules, then by the workpiece coordinate system tune of three coordinate measuring machine
It is whole extremely consistent with the coordinate system of stabiliser bar workpiece drawing.Step d and step e by three coordinate measuring machine software realization.
Step f, three coordinate measuring machine records above-mentioned step c to step e, and generates workpiece coordinate system and establish program.
Step g, first stabiliser bar to be measured of measuring route automatic measurement that three coordinate measuring machine is planned according to step a,
Obtain the measurement data of first stabiliser bar to be measured.
Step h, first stabiliser bar to be measured for completing measurement is removed from fixture, it will be with first stabilization to be measured
Remaining identical stabiliser bar to be measured of rod-type number is located in one by one on the fixture, for remaining each stabiliser bar to be measured, three
Coordinate measuring machine establishes the workpiece coordinate system that program establishes three coordinate measuring machine automatically according to workpiece coordinate system, and according to step a
The measuring route automatic measurement stabiliser bar of planning, obtains the measurement data of stabiliser bar.
It generates after workpiece coordinate system establishes program, when measuring any automobile stabilizer bar to be measured of other same models,
The automobile stabilizer bar need to only be navigated on fixture, three-dimensional coordinates measurement chance establishes program foundation according to the workpiece coordinate system generated
With the consistent workpiece coordinate system of workpiece drawing coordinate system, and the coordinate value of each measuring point is measured according to the measuring route of planning, because
And substantially reduce time of measuring.
Method of the invention can carry out automatic measurement to the secondary stabiliser bar product of same model more than one piece, with previous measurement side
Formula is compared, and time of measuring is substantially reduced, and improves measurement efficiency, and alleviates the work load of survey crew.It is previous manual
Measuring a stabiliser bar will be about spending 7 hours, and after applying the present invention, in addition to when measuring first stabiliser bar to be measured
Establish program because establishing workpiece coordinate system to result in the need for the time spent slightly long outer than remaining stabiliser bar, measurement remove first it is to be measured
Remaining each stabiliser bar other than stabiliser bar only needs or so 1 hour.In addition, with existing manual detection because being often subject to people
The situation for causing the fluctuation of testing result larger for factor interference is compared, and the present invention is due to being measured using machine, repeatability
It is good, thus more accurate measurement result can be obtained.
Claims (3)
1. the method for three coordinate measuring machine automatic measurement stabiliser bar, which comprises the following steps:
Step a, the 3-dimensional image model of stabiliser bar is imported into three coordinate measuring machine；Three coordinate measuring machine is according to the stabiliser bar
3-dimensional image model and the stabiliser bar physical quantity planning survey path to be measured, measuring the stylus of three coordinate measuring machine
It will not be interfered in the process with stabiliser bar；
Step b, first stabiliser bar to be measured is located on the fixture of three coordinate measuring machine, makes it will not in measurement process
It shakes；
Step c, manual control three coordinate measuring machine measures the stylus of three coordinate measuring machine and is located at the of shaft in the middle part of stabiliser bar
One benchmark cylinder and the second benchmark cylinder are located at third basic circle in the middle part of stabiliser bar in two lateral bending portions of shaft two sides
Inner side plane, medial plane and the end holes of column and the 4th benchmark cylinder and each stabilizer bar end；First basic circle
Column is any one column part in the middle part of stabiliser bar between the midpoint and stabiliser bar side turning position of shaft, second base
Director circle column is any one column part in the middle part of stabiliser bar between the midpoint and stabiliser bar other side turning position of shaft, described
Third benchmark cylinder and the 4th benchmark cylinder are respectively any one column part in two lateral bending portions；
Step d, three coordinate measuring machine is according to the inner side plane of each stabilizer bar end and the measurement coordinate value of medial plane, construction
The split of each stabilizer bar end out projects in the center of circle of the end holes of each stabilizer bar end into the stabilizer bar end
Facet obtains two end datum marks；Also, by by the center line of the center line of the first benchmark cylinder and third benchmark cylinder
Intersection obtains the first shaft datum mark, and the center line of the second benchmark cylinder is intersected with the center line of the 4th benchmark cylinder and obtains the
Two shaft datum marks；
Step e, two end datum marks of three coordinate measuring machine, the first shaft datum mark and the building one of the second shaft datum mark are flat
The midpoint of the line of two end datum marks is projected on the first shaft datum mark and the line of the second shaft datum mark and is made by face
For coordinate origin, three coordinate measuring machine is established by 321 rules based on the coordinate origin and constructed plane
Workpiece coordinate system, then the workpiece coordinate system of three coordinate measuring machine is adjusted to consistent with the coordinate system of stabiliser bar workpiece drawing；
Step f, three coordinate measuring machine records above-mentioned step c to step e, generates workpiece coordinate system and establishes program；
Step g, three coordinate measuring machine obtains first according to first stabiliser bar to be measured of measuring route automatic measurement of planning
The measurement data of stabiliser bar to be measured.
2. the method for three coordinate measuring machine automatic measurement stabiliser bar as described in claim 1 characterized by comprising
Step h, first stabiliser bar to be measured for completing measurement is removed from the fixture, it will be with first stabilization to be measured
Remaining identical stabiliser bar to be measured of rod-type number is located in one by one on the fixture, for remaining each stabiliser bar to be measured, institute
It states three coordinate measuring machine program is established according to the workpiece coordinate system and establish the workpiece coordinate system of three coordinate measuring machine automatically, and press
According to the measuring route automatic measurement stabiliser bar of planning, the measurement data of stabiliser bar is obtained.
3. the method for three coordinate measuring machine automatic measurement stabiliser bar as described in claim 1, which is characterized in that in the step
In rapid c, that cylinder in the middle part of stabiliser bar on shaft close to stabiliser bar side turning position is chosen as first benchmark
Cylinder chooses that cylinder in the lateral bending portion for being located at stabiliser bar side close to stabiliser bar side turning position as described the
Three benchmark cylinders choose in the middle part of stabiliser bar that cylinder on shaft close to stabiliser bar other side turning position as described the
Two basic circle columns choose that cylinder in the lateral bending portion for being located at the stabiliser bar other side close to stabiliser bar other side turning position
As the 4th benchmark cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937798.1A CN107976165B (en) | 2016-10-24 | 2016-10-24 | The method of three coordinate measuring machine automatic measurement stabiliser bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937798.1A CN107976165B (en) | 2016-10-24 | 2016-10-24 | The method of three coordinate measuring machine automatic measurement stabiliser bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976165A CN107976165A (en) | 2018-05-01 |
| CN107976165B true CN107976165B (en) | 2019-11-08 |
Family
ID=62004139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610937798.1A Active CN107976165B (en) | 2016-10-24 | 2016-10-24 | The method of three coordinate measuring machine automatic measurement stabiliser bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976165B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112507283B (en) * | 2020-12-10 | 2023-07-07 | 易思维（杭州）科技有限公司 | Conversion matrix resolving method based on 321 rule |
| CN112923830B (en) * | 2021-01-26 | 2022-06-03 | 中国航发贵州黎阳航空动力有限公司 | Device and method for measuring space size of balancing rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014826A (en) * | 2004-06-28 | 2007-08-08 | 六边形度量衡股份公司 | Measurement probe for use in coordinate measurng machines |
| CN102564368A (en) * | 2010-09-27 | 2012-07-11 | 株式会社三丰 | Coordinates measuring head unit and coordinates measuring machine |
| CN102679922A (en) * | 2012-05-09 | 2012-09-19 | 无锡市计量测试中心 | Method for measuring coordinates of curve point by using coordinate measuring machine |
| CN202470937U (en) * | 2011-12-21 | 2012-10-03 | 上海中国弹簧制造有限公司 | Special measure gauge for automobile stabilizer bar |
| CN103925902A (en) * | 2014-04-08 | 2014-07-16 | 北京工业大学 | Profile tolerance error measurement device and method based on arc surfaced cam isometric model |
-
2016
- 2016-10-24 CN CN201610937798.1A patent/CN107976165B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014826A (en) * | 2004-06-28 | 2007-08-08 | 六边形度量衡股份公司 | Measurement probe for use in coordinate measurng machines |
| CN102564368A (en) * | 2010-09-27 | 2012-07-11 | 株式会社三丰 | Coordinates measuring head unit and coordinates measuring machine |
| CN202470937U (en) * | 2011-12-21 | 2012-10-03 | 上海中国弹簧制造有限公司 | Special measure gauge for automobile stabilizer bar |
| CN102679922A (en) * | 2012-05-09 | 2012-09-19 | 无锡市计量测试中心 | Method for measuring coordinates of curve point by using coordinate measuring machine |
| CN103925902A (en) * | 2014-04-08 | 2014-07-16 | 北京工业大学 | Profile tolerance error measurement device and method based on arc surfaced cam isometric model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107976165A (en) | 2018-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108871216B (en) | Robot porous contact type automatic measurement method based on visual guidance | |
| US7869026B2 (en) | Targeted artifacts and methods for evaluating 3-D coordinate system measurement accuracy of optical 3-D measuring systems using such targeted artifacts | |
| JP5998058B2 (en) | Correction of errors in measured values obtained using a coordinate positioning device | |
| CN106799745A (en) | A kind of industrial machinery arm precision calibration method based on collocating kriging | |
| CN108827187B (en) | A kind of measuring three-dimensional profile system | |
| CN105073348A (en) | A robot system and method for calibration | |
| US20050066534A1 (en) | Gauge for three-dimensional coordinate measurer | |
| CN103991078A (en) | Robot system and method for controlling the same | |
| KR102235632B1 (en) | Machine vision system | |
| CN106097395B (en) | A kind of scaling method of the industrial robot kinematics parameter based on linear displacement transducer | |
| CN102015221A (en) | A method and a system for determining the relation between a robot coordinate system and a local coordinate system located in the working range of the robot | |
| CN107976165B (en) | The method of three coordinate measuring machine automatic measurement stabiliser bar | |
| CN110793439B (en) | Standard device for unifying coordinates of multi-sensor measuring machine and coordinate unifying method | |
| CN107084693B (en) | The location measurement method of datum level | |
| US9134105B2 (en) | Contour shape measurement method | |
| JP2003194501A (en) | Reference gauge for calibrating measuring machine and calibration method for measuring machine | |
| JP4863006B2 (en) | 3D shape measurement method | |
| CN115451817A (en) | Method, processor, device and storage medium for detecting mechanical structure parameters | |
| JPH03287343A (en) | Base coordinate system correcting device | |
| JPH06341826A (en) | Screw-hole-center measuring method | |
| JP4371768B2 (en) | Simple accuracy evaluation program for coordinate measuring machines | |
| US20170284785A1 (en) | Method and apparatus for inspecting workpieces | |
| KR20160023401A (en) | Device for measuring squareness | |
| CN106091900A (en) | Method by three-dimensional coordinates measurement two cylinder axiality | |
| US20240083036A1 (en) | Method and apparatus for robot system management |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |