CN104121876A - Multiple pose measuring machine tail end coordinate identification method based on actual material reference - Google Patents

Multiple pose measuring machine tail end coordinate identification method based on actual material reference Download PDF

Info

Publication number
CN104121876A
CN104121876A CN201410333272.3A CN201410333272A CN104121876A CN 104121876 A CN104121876 A CN 104121876A CN 201410333272 A CN201410333272 A CN 201410333272A CN 104121876 A CN104121876 A CN 104121876A
Authority
CN
China
Prior art keywords
measuring machine
standard
cross
section
appearance measuring
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.)
Pending
Application number
CN201410333272.3A
Other languages
Chinese (zh)
Inventor
邵伟
刘冲
乐静
杨宇祥
吴莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian University of Technology
Original Assignee
Xian University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian University of Technology filed Critical Xian University of Technology
Priority to CN201410333272.3A priority Critical patent/CN104121876A/en
Publication of CN104121876A publication Critical patent/CN104121876A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)

Abstract

Disclosed is a multiple pose measuring machine tail end coordinate identification method based on an actual material reference. The multiple pose measuring machine tail end coordinate identification method based on the actual material reference includes: firstly, clamping the actual material reference on a rotary table of a multiple pose measuring machine and fixing the actual material reference; adjusting the actual material reference and the rotary table so as to enable the actual material reference and the rotary table to be concentric, and using a sensor of the multiple pose measuring machine to perform hierarchical scanning on the actual material reference; measuring a standard cylinder surface 4 and a standard cylinder surface 5 of the actual material reference during the scanning process, then figuring out a tail end coordinate of each section, and thereby obtaining a multiple pose measuring machine tail end coordinate. The multiple pose measuring machine tail end coordinate identification method based on the actual material reference uses the actual material reference clamped on the rotary table of the multiple pose measuring machine and an aligning function of the rotary table in combination with the hierarchical scanning on the actual material reference, performed by the sensor of the multiple pose measuring machine, figures out coordinate value through measuring software, and thereby obtains value of the multiple pose measuring machine tail end coordinate, achieves multiple pose measuring machine tail end coordinate positioning, and simultaneously has the advantages of being simple, low in cost, simple to use and the like.

Description

A kind of coordinate recognition methods of the multidigit appearance measuring machine end based on material standard
Technical field
The invention belongs to machine-building, detection technique field, be specifically related to a kind of coordinate recognition methods of the multidigit appearance measuring machine end based on material standard.
Background technology
In measuring process for present complex outline, what measure is often whole profiles of measured piece, and the integral body measurement that completes complex curved surface part by a kind of attitude is difficult.Conventionally need realize many pose measurements to workpiece for measurement, with favourable angle or direction, obtain the surface information of workpiece different azimuth.For guaranteeing rationality and the completeness of measurement data, two under different benchmark or multi-disc point cloud data need to be transformed under same benchmark, utilize laser tracker can realize accurately location, but cost is too high, it is complicated to use, be not easy to on-the-spot Reusability.
Summary of the invention
The object of this invention is to provide a kind of coordinate recognition methods of the multidigit appearance measuring machine end based on material standard, solved the problem that existing method cost is high and use is complicated.
The technical solution adopted in the present invention is, a kind of coordinate recognition methods of the multidigit appearance measuring machine end based on material standard, and concrete steps are as follows:
Step 1, is first installed on material standard on the turntable of multidigit appearance measuring machine, fixes;
Step 2, is transferred to concentric position by material standard and turntable;
Step 3, utilizes the sensor of multidigit appearance measuring machine to carry out demixing scan to material standard;
Step 4 is measured standard round cylinder 4 and the standard round conical surface 5 of material standard in scanning, then by formula, calculates the end coordinate in each cross section, thereby obtains the coordinate (x, y, z) of multidigit appearance measuring machine end.
Feature of the present invention is also,
Step 2 specific operation process is: with directions X aligning knob 1 and Y-direction aligning knob 2, material standard standard round cylinder 4 and the center of the standard round conical surface 5 and the centre of gyration of turntable are transferred to one heart respectively, now small bias is Δ x=0, Δ y=0, Δ x is the offset of x direction; Δ y is the offset of y direction.
Step 4 concrete operations are: respectively multidigit appearance measuring machine tip sensor is aimed to measurement cross section n1, n2, the n3 of material standard ..., nk; Turntable 3 utilizes motor can realize rotation subsequently, in each cross section, record respectively a series of indicating values of multidigit appearance measuring machine tip sensor on standard round cylinder 4 and the standard round conical surface 5, calculate respectively again the mean value of each cross section indicating value, obtain at the standard round cylinder 4 of each sectional position and the measured value d on the standard round conical surface 5 n11, d n12, d n21, d n22, d n31, d n32..., d nk1, d nk2; Finally utilize formula (1) to calculate the end coordinate x in each cross section 1, z 1; x 2, z 2; x 3, z 3; x k, z k; Thereby obtain the coordinate (x, y, z) of multidigit appearance measuring machine end;
Formula (1) is:
x nm=d nm1+r 1+Δx
y nm=Δy ;
z nm=[(r 2-r 1)-(d nm2-d nm1)]*tanα
In formula: nm is cross section n1, n2, n3 ..., any the cross section code name in nk;
D nm1mean value for nm cross section on standard round cylinder 4;
D nm2mean value for nm cross section on the standard round conical surface 5;
R 1radius for standard round cylinder 4;
R 2end radius for the standard round conical surface 5;
α is the cone base angle of standard cone 5;
X nmmultidigit appearance measuring machine x direction end coordinate for nm cross section;
Y nmmultidigit appearance measuring machine y direction end coordinate for nm cross section;
Z nmmultidigit appearance measuring machine z direction end coordinate for nm cross section.
The invention has the beneficial effects as follows, the present invention is based on the coordinate recognition methods of the multidigit appearance measuring machine end of material standard, pass through material standard, set up the volume coordinate identification of multidigit appearance measuring machine end, mechanism parameter is known method for distinguishing, the method utilization is installed on material standard on the turntable of multidigit appearance measuring machine and the aligning function of turntable, with the sensor of multidigit appearance measuring machine, material standard being carried out to demixing scan combines, by Survey Software, calculate coordinate figure, obtain the coordinate figure of multidigit appearance measuring machine end, realized the end coordinate setting of multidigit appearance measuring machine, the method has simple in structure simultaneously, and cost is low, uses the features such as simple.
Accompanying drawing explanation
Fig. 1 is the structural drawing that material standard is realized the identification of multidigit appearance measuring machine terminal position on multidigit appearance measuring machine Work turning table;
Fig. 2 is the vertical view of Fig. 1.
In figure, 1.X direction aligning knob, 2.Y direction aligning knob, 3. turntable, 4. standard round cylinder, 5. the standard round conical surface.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Referring to Fig. 1 and Fig. 2, the present invention is based on the coordinate recognition methods of the multidigit appearance measuring machine end of material standard, concrete steps are as follows:
Step 1, is first installed on material standard on the state of multidigit appearance measuring machine, fixes;
Step 2, is then transferred to concentric position by material standard and turntable; Specific operation process is: with directions X aligning knob 1 and Y-direction aligning knob 2, material standard standard round cylinder 4 and the center of the standard round conical surface 5 and the centre of gyration of turntable are transferred to one heart respectively, now small bias is Δ x=0, Δ y=0, Δ x is the offset of x direction; Δ y is the offset of y direction;
Step 3, utilizes the tip sensor of multidigit appearance measuring machine to carry out demixing scan to material standard;
Step 4 is measured standard round cylinder 4 and the standard round conical surface 5 of material standard in scanning, then by formula, calculates the end coordinate in each cross section, realizes the coordinate identification of multidigit appearance measuring machine end;
Concrete operations are: respectively multidigit appearance measuring machine tip sensor is aimed to measurement cross section n1, n2, the n3 of material standard ..., nk; Turntable 3 utilizes motor to realize rotation subsequently, in each cross section, record respectively a series of indicating values of multidigit appearance measuring machine tip sensor on standard round cylinder 4 and the standard round conical surface 5, calculate respectively again the mean value of each cross section indicating value, obtain at the standard round cylinder 4 of each sectional position and the measurement mean value d on the standard round conical surface 5 n11, d n12, d n21, d n22, d n31, d n32..., d nk1, d nk2; Finally utilize formula (1) to calculate the end coordinate x in each cross section 1, z 1; x 2, z 2; x 3, z 3; x k, z k; Thereby obtain the coordinate (x, y, z) of multidigit appearance measuring machine end;
Formula (1) is:
x nm=d nm1+r 1+Δx
y nm=Δy ;
z nm=[(r 2-r 1)-(d nm2-d nm1)]*tanα
In formula: nm is cross section n1, n2, n3 ..., any the cross section code name in nk;
D nm1mean value for nm cross section on standard round cylinder 4;
D nm2mean value for nm cross section on the standard round conical surface 5;
R 1radius for standard round cylinder 4;
R 2end radius for the standard round conical surface 5;
α is the cone base angle of standard cone 5;
X nmmultidigit appearance measuring machine x direction end coordinate for nm cross section;
Y nmmultidigit appearance measuring machine y direction end coordinate for nm cross section;
Z nmmultidigit appearance measuring machine z direction end coordinate for nm cross section.
The present invention is based on the coordinate recognition methods of the multidigit appearance measuring machine end based on material standard, first material standard is installed on the turntable of multidigit appearance measuring machine and fixes; Material standard and turntable are transferred to concentric position, utilize the sensor of multidigit appearance measuring machine to carry out demixing scan to material standard; Standard round cylinder 4 and the standard round conical surface 5 of in scanning, measuring material standard, then calculate the end coordinate in each cross section, thereby obtain the coordinate of multidigit appearance measuring machine end.Utilization of the present invention is installed on material standard on the turntable of multidigit appearance measuring machine and the aligning function of turntable, with the sensor of multidigit appearance measuring machine, material standard being carried out to demixing scan combines, by Survey Software, calculate coordinate figure, obtain the coordinate figure of multidigit appearance measuring machine end, realized the end coordinate setting of multidigit appearance measuring machine; The method has simple in structure simultaneously, and cost is low, uses the features such as simple.

Claims (3)

1. a coordinate recognition methods for the multidigit appearance measuring machine end based on material standard, is characterized in that, concrete steps are as follows:
Step 1, is first installed on material standard on the turntable of multidigit appearance measuring machine, fixes;
Step 2, is transferred to concentric position by material standard and turntable;
Step 3, utilizes the sensor of multidigit appearance measuring machine to carry out demixing scan to material standard;
Step 4 is measured standard round cylinder 4 and the standard round conical surface 5 of material standard in scanning, then by formula, calculates the end coordinate in each cross section, thereby obtains the coordinate (x, y, z) of multidigit appearance measuring machine end.
2. the coordinate recognition methods of the multidigit appearance measuring machine end based on material standard according to claim 1, it is characterized in that, step 2 specific operation process is: with directions X aligning knob 1 and Y-direction aligning knob 2, material standard standard round cylinder 4 and the center of the standard round conical surface 5 and the centre of gyration of turntable are transferred to one heart respectively, now small bias is Δ x=0, Δ y=0, Δ x is the offset of x direction; Δ y is the offset of y direction.
3. the coordinate recognition methods of the multidigit appearance measuring machine end based on material standard according to claim 1 and 2, it is characterized in that, step 4 concrete operations are: respectively multidigit appearance measuring machine tip sensor is aimed to measurement cross section n1, n2, the n3 of material standard ..., nk; Turntable 3 utilizes motor can realize rotation subsequently, in each cross section, record respectively a series of indicating values of multidigit appearance measuring machine tip sensor on standard round cylinder 4 and the standard round conical surface 5, calculate respectively again the mean value of each cross section indicating value, obtain at the standard round cylinder 4 of each sectional position and the measured value d on the standard round conical surface 5 n11, d n12, d n21, d n22, d n31, d n32..., d nk1, d nk2; Finally utilize formula (1) to calculate the end coordinate x in each cross section 1, z 1; x 2, z 2; x 3, z 3; x k, z k; Thereby obtain the coordinate (x, y, z) of multidigit appearance measuring machine end;
Formula (1) is:
x nm=d nm1+r 1+Δx
y nm=Δy ;
z nm=[(r 2-r 1)-(d nm2-d nm1)]*tanα
In formula: nm is cross section n1, n2, n3 ..., any the cross section code name in nk;
D nm1mean value for nm cross section on standard round cylinder 4;
D nm2mean value for nm cross section on the standard round conical surface 5;
R 1radius for standard round cylinder 4;
R 2end radius for the standard round conical surface 5;
α is the cone base angle of standard cone 5;
X nmmultidigit appearance measuring machine x direction end coordinate for nm cross section;
Y nmmultidigit appearance measuring machine y direction end coordinate for nm cross section;
Z nmmultidigit appearance measuring machine z direction end coordinate for nm cross section.
CN201410333272.3A 2014-07-14 2014-07-14 Multiple pose measuring machine tail end coordinate identification method based on actual material reference Pending CN104121876A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410333272.3A CN104121876A (en) 2014-07-14 2014-07-14 Multiple pose measuring machine tail end coordinate identification method based on actual material reference

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410333272.3A CN104121876A (en) 2014-07-14 2014-07-14 Multiple pose measuring machine tail end coordinate identification method based on actual material reference

Publications (1)

Publication Number Publication Date
CN104121876A true CN104121876A (en) 2014-10-29

Family

ID=51767390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410333272.3A Pending CN104121876A (en) 2014-07-14 2014-07-14 Multiple pose measuring machine tail end coordinate identification method based on actual material reference

Country Status (1)

Country Link
CN (1) CN104121876A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001515236A (en) * 1997-09-04 2001-09-18 ダイナログ インコーポレイテッド Method for calibrating a robot inspection system
CN101660904A (en) * 2009-09-22 2010-03-03 大连海事大学 Kinematics calibration method of measurement robot
CN103471503A (en) * 2013-09-16 2013-12-25 苏州凯欧机械科技有限公司 Non-contact type precision-measurement mechanical arm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001515236A (en) * 1997-09-04 2001-09-18 ダイナログ インコーポレイテッド Method for calibrating a robot inspection system
CN101660904A (en) * 2009-09-22 2010-03-03 大连海事大学 Kinematics calibration method of measurement robot
CN103471503A (en) * 2013-09-16 2013-12-25 苏州凯欧机械科技有限公司 Non-contact type precision-measurement mechanical arm

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
方海燕: "非正交系非接触坐标测量机关键技术研究", 《中国优秀博硕士学位论文全文数据库(博士) 工程科技Ⅱ辑》 *
方海燕等: "非接触式测量机器人的自标定研究", 《制造技术与机床》 *
王东署,迟健男: "机器人运动学标定综述", 《计算机应用研究》 *
邵伟等: "非接触式测量机器人", 《仪器仪表学报》 *

Similar Documents

Publication Publication Date Title
US10900777B2 (en) Method and device for determining the geometry of structures by means of computer tomography
CN104759945B (en) Mobile hole-making robot standard alignment method based on high precision industrial camera
CN106569150B (en) A kind of two step bearing calibrations simply corrected for magnetic sensor
CN103586740B (en) A kind of fine precision process tool work pattern is at position detecting method
CN106152956B (en) A kind of laser inside diameter measuring instrument
US8700203B2 (en) Calibration method for a spherical measurement probe
CN109163680A (en) A kind of contactless Deep Hole Straightness Test Device and method
CN109520421A (en) A kind of the adjustment device and its method of adjustment of image gauge head posture
CN105571461A (en) Accuracy measurement method for precision tapered hole
CN106403873A (en) Method for establishing workpiece measurement coordinate system based on curved surface benchmark
CN107806836A (en) A kind of finish forge blade profile detection method based on five-axle linkage spot light
CN103769949A (en) Workpiece detection device and method of machining machine
CN102189420A (en) Lathe and method for measuring workpiece clamping position in workpiece clamping device in lathe
JP2015064235A (en) Roundness measuring machine
CN108548682B (en) Wheel surface hardness detection positioning instrument and detection method thereof
CN104567673A (en) Method for measuring circle center position tolerance of workpiece hole
GB2508737A8 (en) Contour shape measurement method
CN104316007B (en) The accurate physical dimension measuring system of large scale based on witness mark battle array
CN104121876A (en) Multiple pose measuring machine tail end coordinate identification method based on actual material reference
CN205049111U (en) Diameter of axle measuring device based on laser displacement sensor
CN106225661B (en) Punching press bore dia device for fast detecting and its method on thin-wall part
CN203824459U (en) Latch hook inspection device of automobile engine cover
CN106679564B (en) A kind of measurement method of slotted hole
CN108153235A (en) Realize the method for automatic edge identification positioning and corresponding numerical-control processing method
CN103116040B (en) On-site measuring device and scanning probe automatic centering method based on scanning tunneling effects

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20141029

RJ01 Rejection of invention patent application after publication