CN108344362A - A kind of optical measuring device and method of high-precision shafting running accuracy - Google Patents

A kind of optical measuring device and method of high-precision shafting running accuracy Download PDF

Info

Publication number
CN108344362A
CN108344362A CN201810092945.9A CN201810092945A CN108344362A CN 108344362 A CN108344362 A CN 108344362A CN 201810092945 A CN201810092945 A CN 201810092945A CN 108344362 A CN108344362 A CN 108344362A
Authority
CN
China
Prior art keywords
rotating shaft
mechanical rotating
laser
focal length
shaft
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
CN201810092945.9A
Other languages
Chinese (zh)
Inventor
吴金才
王天洪
何志平
舒嵘
王建宇
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.)
Shanghai Institute of Technical Physics of CAS
Original Assignee
Shanghai Institute of Technical Physics of CAS
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 Shanghai Institute of Technical Physics of CAS filed Critical Shanghai Institute of Technical Physics of CAS
Publication of CN108344362A publication Critical patent/CN108344362A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques

Abstract

The invention discloses a kind of optical measuring devices and method of high-precision shafting running accuracy, the invention, come measuring circurmarotate running accuracy, constantly approaches mechanical rotating shaft using optical axis and obtains mechanical rotating shaft precision by the measurement to optical axis jerk value using optical means.Specifically directional light is utilized to pass through mechanical rotating shaft, and it images on the focal plane of the detection camera rotated with shaft, the imaging point of detection camera can move therewith when mechanical rotating shaft rotates, movement locus approaches and circle, center location then corresponds to mechanical rotating shaft, direction by adjusting directional light makes imaging point close to the center of circle, by repeatedly adjusting and approaching finally so that imaging facula barycenter rotates variation minimum with shaft, the ratio of the barycenter variable quantity and image camera focal length is the running accuracy of shaft, and mechanical rotating shaft and optical axis coincidence.Apparatus of the present invention are of simple structure and low cost, scaling method is simple.

Description

A kind of optical measuring device and method of high-precision shafting running accuracy
Technical field
The present invention discloses a kind of optical measuring device and method of high-precision shafting running accuracy, especially suitable for high-precision The running accuracy of shaft measures, during applying also for the fill-in light school that mechanical rotating shaft is registrated with optical axis.
Background technology
It is widely used in aerospace as rotating basis component along with high-precision bearing, precision machine tool, data are hard In the complex precises mechanical system such as disk, running accuracy often directly determines complete machine precision property, such as machine tool chief axis rotation essence Degree, data hard disc storage density etc..However precision property test and the test of analysis are serious under rolling bearing service condition at present The development of bearing theory analysis model is lagged behind, therefore, exploitation superhigh precision rolling bearing rotation error test system support reason It is extremely urgent by the verification of model.At present in terms of bearing rotation precision Design of Test System, Okamoto etc. constructs a kind of axis Radial pulsation measurement device is held, to be distributed the scale error to bearing outer ring form error and ball, and distribution to bearing rotary The affecting laws of precision.However since the equipment uses mechanical main shaft drives bearing to be measured, and with tangent displacement sensor Bearing run-out error is measured to assess bearing rotation precision, test low-speed running bearing is only capable of and precision is relatively low.But with The progress and promotion for measuring technique it requires the measurement method examination of our higher and faster victories and give birth to that test system is The measurement method for the contact crossed over from traditional mechanical main shaft drives bearing to be measured, and seriously receive accuracy of instrument It limits and is very inconvenient to operate, we carry out the precision measure of bearing with a kind of brand-new mode and can measure now Final precision after bearing finally installs is how many, and can eliminate and buy high precision instrument high costs, because the device A set of equipment low price, and simple, implementation good reliability easy to operate.
Invention content
The object of the present invention is to provide a kind of optical measuring device and method of high-precision shafting running accuracy, invention dresses The use set, the running accuracy that can meet different high-precision shafts measure, while being registrated with optical axis suitable for mechanical rotating shaft Fill-in light school.It is mainly based upon the direction of the launch that invisible mechanical rotating shaft is transferred to laser, to obtain the essence of mechanical rotating shaft Degree, while can also be registrated with the optical axis between optical instrument.The characteristics of invention, is mainly reflected in:It is 1) simple in structure, Test philosophy is simple with method;2) can meet different high-precision shafts running accuracy measure, while suitable for mechanical rotating shaft with The fill-in light school of optical axis registration.
Apparatus of the present invention are as shown in Fig. 1:The invention device include angle pencil of ray alignment-laser 1, five times regualting frame 2, Coding disk 3, focal length camera 4, fixing tool 5, tested mechanical rotating shaft 6.The angle pencil of ray alignment-laser 1 is a kind of process The angle of divergence of the laser beam of collimation, collimated light beam is less than 200urad;The angle pencil of ray alignment-laser 1 is fixed on the side of having Position, pitch angle regulatory function and have height, upper, lower, left and right positions regulatory function five times regualting frame 2 on, laser beam By coding disk 3 center be emitted, finally on being fixed on tested mechanical rotating shaft 6 and can rotate with shaft it is real-time read at As facula mass center 4 focal plane of focal length camera on,The 4 face type RMS value of focal length camera is better than 1/10 λ@632.8nm, and detector phase Wave-length coverage is answered to cover wavelength used in all angle pencil of ray alignment-lasers 1.Wherein 3 light hole of coding disk and mechanical rotating shaft 6 light holes are concentric;Rotation is tested mechanical rotating shaft 6 and is recorded as image spot track, is found according to the track of imaging point in rotary course Center location adjusts five times regualting frame 2 so that imaging point is close to the center of circle, by repeatedly adjusting and approaching final so that being imaged light quality The heart is rotated with shaft changes minimum, and the ratio of barycenter variation minimum and image camera focal length is the running accuracy of shaft.It should Device can be used for the fill-in light school etc. that the running accuracy of high-precision shaft is measured, while being registrated with optical axis suitable for mechanical rotating shaft
The optical measuring device and method implementation steps of a kind of high-precision shafting running accuracy are as follows:
1, the preliminary registration of optical axis and mechanical rotating shaft
Angle pencil of ray alignment-laser 1 is positioned on five times regualting frame 2, then coding disk 3 is installed on tested machinery and is turned It at the center of axis 6, is installed by 3 external structure of coding disk and ensures that its light hole and 6 light hole of mechanical rotating shaft are concentric, adjust five dimensions Adjusting bracket 2 makes centre bore transmitting of the laser through coding disk 3, while ensureing equally to be emitted close to center when emergent light goes out shaft, Primary Location angle pencil of ray alignment-laser 1 completes the preliminary registration of laser beam axis and mechanical rotating shaft;
2, the accuracy registration of optical axis and mechanical rotating shaft
Focal length camera 4 is installed on tested mechanical rotating shaft 6, ensures that focal length camera 4 is servo-actuated with tested mechanical rotating shaft 6, it will Tested mechanical rotating shaft 6 is fixed on some orientation, adjusts orientation, the pitch angle of focal length camera 4 so that angle pencil of ray laser alignment Light source 1 images near the center pel of focal length camera 4, and tentatively fixed focal length camera 4, then rotates and be tested mechanical rotating shaft at this time 6 and it is recorded as image spot track;Center location is found according to the track of imaging point in rotary course, it is ensured that center location is in detection In device field range, then five times regualting frame 2 is adjusted so that imaging point is close to the center of circle, while need to ensure angle pencil of ray alignment-laser 1 hot spot is emitted from 3 center of coding disk, and mechanical rotating shaft is registrated by repeatedly adjusting laser beam axis, finally so that imaging Barycenter is smaller with shaft rotation variation;
3, mechanical rotating shaft precision obtains
The direction of angle pencil of ray alignment-laser 1 is adjusted in a small range, rotates and is tested mechanical rotating shaft 6, record imaging point Track obtains distance between the farthest point of track, multiple fine adjustment angle pencil of ray laser quasi by the barycenter data in rotary course Direct light source 1, and distance between farthest point is repeatedly obtained in rotary course, pass through and compares recording distance minimum, distance minimum The ratio of amount and image camera focal length is the running accuracy of shaft.
The present invention optically provides a kind of optical measuring device and method of high-precision shafting running accuracy, should Method can also obtain higher measurement accuracy by increasing camera focus.Its main operational principle is the rotation by shafting Shafting variable quantity is converted into optical axis rotation, then the rotation amount by measuring optical axis connects optical axis and mechanical axis, optical axis There is no bounces for itself, and when ideal mechanical rotating shaft is with optical axis coincidence, the direction of mechanical axis optical axis in rotation process is kept not Become, when being monitored with focal length camera, imaging facula barycenter is constant in rotary course.Actual conditions are that mechanical axis all has bounce essence Degree, during optical axis and mechanical axis constantly approach, the curve of focal length camera monitoring facula mass center is one in rotary course The circle constantly reduced, final change curve are the closed curves of a micro- a small range, farthest 2 barycenter of this curve away from From for a, this distance is the beating degree of shafting, it is assumed that the focal length for monitoring camera is f, then the jerk value of shafting, theoretically focal length f Bigger, the measuring precision is higher, can obtain higher measurement accuracy by increasing camera focus.
The object of the present invention is to provide a kind of optical measuring devices and method of high-precision shafting running accuracy, can meet not With the testing requirements of precision shafting, the characteristics of invention, is mainly reflected in:
1) apparatus of the present invention are simple in structure, of low cost;
2) testing requirements of different accuracy shafting can be met, while test system can be customized according to measurement accuracy requirement System;
3) present invention can not only meet the measurement of single bearing, and can be to all shafts of the complete machine on different directions It measures.So as to obtain the shaft error of a complete machine.
Description of the drawings
Fig. 1 is shafting precision test device schematic diagram.
Fig. 2 embodiment center shafting accuracy test device schematic diagrames.
Fig. 3 is that mechanical rotating shaft is registrated schematic diagram with optical axis.
Fig. 4 is focal length camera focal plane imaging point barycenter change curve in mechanical rotating shaft rotary course.
Specific implementation mode
The embodiment of the method for the present invention is described in detail below in conjunction with attached drawing.
Main devices employed in the present invention are described as follows:
1, angle pencil of ray alignment-laser 1:Angle pencil of ray alignment-laser 1 is by single mode optical fiber, collimation lens and laser Composition, wherein optical fiber uses Thorlabs company models for the single mode optical fiber of SM600, Specifeca tion speeification:Service band is 600-900nm;Fibre-optic mode field diameter be 4.6um@680nm, covering 125 ± 1um of core diameter, by wavelength be 550 ± 50nm;Collimation Lens use Thorlabs company models for the collimating mirror of F810FC-635, and collimating mirror focal length is 35.4mm, uses wavelength 635nm;Laser uses Thorlabs company models for the laser diode of LPS-PM635-FC, optical maser wavelength 635nm;
2, five dimension adjustment frame 2:Use Chinese light company model of standing upright for the three-dimensional arrangement platform of ASM-RG2 and the liter of TSMV5-1A Platform and its combined type precise manual platform of APSM25A-65CC, Specifeca tion speeification drop:Position degree of regulation 0.01mm;Angle Spend 0.5 rad of degree of regulation;
3, coding disk 3:Standard-sized concentric circles, and central cross fork is indicated, it is voluntarily customized;
4, focal length camera 4:Focal length camera is made of telephoto lens and CCD camera, telephoto lens use company model for The focal length of PS971, Specifeca tion speeification;The requirement of camera lens machined parameters:Transparent surface surface face type RMS value is better than 1/20 λ@ 632.8nm;System aberration RMS value is better than 1/10 λ/@632.8nm, clear aperture 30mm;CCD camera uses U.S. Spiricon Company model is the laser beam analyzer of SP620, Specifeca tion speeification:Service band 190nm-1100nm, pixel size 4.4um*4.4um, number of pixels 1600*1200.
5, fixing tool 5:Fixing tool belongs to customized tooling dedicated for fixed tested turntable 6.
The schematic diagram of the method for the present invention is as shown in Fig. 1, and concrete condition is described as follows:
The invention device includes angle pencil of ray alignment-laser 1, five times regualting frame 2, coding disk 3, focal length camera 4, fixes Tooling 5, tested mechanical rotating shaft 6.
1, the preliminary registration of optical axis and mechanical rotating shaft
Angle pencil of ray alignment-laser 1 is positioned on five times regualting frame 2, is opened in angle pencil of ray alignment-laser 1 Laser is introduced to the directional light that collimation lens 1-3 generates 635nm by laser 1-1 by single mode optical fiber 1-2;Again by coding disk 3 It is installed at the center of tested mechanical rotating shaft 6, is installed by 3 external structure of coding disk and ensure that its light hole is logical with mechanical rotating shaft 6 Unthreaded hole is concentric, when adjusting the centre bore transmitting that five times regualting frame 2 makes laser through coding disk 3, while ensureing that emergent light goes out shaft It is equally emitted close to center, Primary Location angle pencil of ray alignment-laser 1, completes laser beam axis and the preliminary of mechanical rotating shaft is matched It is accurate.
2, the accuracy registration of optical axis and mechanical rotating shaft
The telephoto lens 4-1 that selection proper focal length f is required according to measurement accuracy, by telephoto lens 4-1 and CCD camera 4-2 Focal length camera 4 is formed, ensures that CCD camera 4-2 photosurfaces are at the focal plane of telephoto lens 4-1, then 4 entirety of focal length camera is pacified Loaded on tested mechanical rotating shaft 6, ensureing that focal length camera 4 is servo-actuated with tested mechanical rotating shaft 6, tested mechanical rotating shaft 6 is fixed on certain One orientation adjusts orientation, the pitch angle of focal length camera 4 so that the directional light imaging that angle pencil of ray alignment-laser 1 is emitted Near the center pel of focal length camera 4, tentatively fixed focal length camera 4, then rotates and is tested mechanical rotating shaft 6 and is recorded as at this time Image spot track;Center location is found according to the track of imaging point in rotary course, it is ensured that center location is in detector field of view model In enclosing, then sextuple adjusting bracket 2 is adjusted so that imaging point is close to the center of circle, while need to ensure the hot spot of angle pencil of ray alignment-laser 1 From 3 center of coding disk be emitted, be registrated mechanical rotating shaft by repeatedly adjusting laser beam axis, finally so that imaging barycenter with turn The dynamic variation of shaft rotation is smaller.
3, mechanical rotating shaft precision obtains
The direction of angle pencil of ray alignment-laser 1 is adjusted in a small range, rotates and is tested mechanical rotating shaft 6, record imaging point Track obtains distance between the farthest point of track, multiple fine adjustment angle pencil of ray laser quasi by the barycenter data in rotary course Direct light source 1, and distance between farthest point is repeatedly obtained in rotary course, pass through and compares recording distance minimum, the then rotation of shaft Turn precision.

Claims (6)

1. a kind of optical measuring device of high-precision shafting running accuracy, including angle pencil of ray alignment-laser (1), five dimensions are adjusted Frame (2), coding disk (3), focal length camera (4), fixing tool (5), it is characterised in that:
Angle pencil of ray alignment-laser (1) is fixed on five times regualting frame (2), and laser beam goes out by the center of coding disk (3) It penetrates, final laser beam is imaged on the focal plane of focal length camera (4), and wherein focal length camera (4) is fixed on tested mechanical rotating shaft (6) It can rotate above and with shaft, coding disk (3) light hole and tested mechanical rotating shaft (6) light hole are concentric;The tested machinery of rotation turns Axis (6) is simultaneously recorded as image spot track, finds center location according to the track of imaging point in rotary course, adjusts five times regualting frame (2) orientation, pitch angle make outgoing light direction change, and finally make imaging point close to the center of circle, by repeatedly adjusting and approaching Finally so that imaging barycenter is rotated with shaft, variation is minimum, and it is to turn that barycenter, which changes minimum and the ratio of image camera focal length, The running accuracy of axis.
2. a kind of optical measuring device of high-precision shafting running accuracy according to claim 1, it is characterised in that:It is described Angle pencil of ray laser quasi straight peen light source (1) be a kind of laser beam by collimation, the angle of divergence of collimated light beam is less than 200urad。
3. a kind of optical measuring device of high-precision shafting running accuracy according to claim 1, it is characterised in that:For The five times regualting frame (2) of fixed angle pencil of ray laser quasi straight peen light source (1) has orientation, pitch angle regulatory function, together When have height, upper, lower, left and right positions regulatory function.
4. a kind of optical measuring device of high-precision shafting running accuracy according to claim 1, it is characterised in that:It is described Coding disk (3) centered on light hole size it is identical as angle pencil of ray laser quasi straight peen light source (1) spot size, external structure installation Ensure that coding disk (3) light hole and mechanical rotating shaft (6) light hole are concentric.
5. a kind of optical measuring device of high-precision shafting running accuracy according to claim 1, it is characterised in that:It is described Focal length camera (4) be fixed on tested mechanical rotating shaft (6) and rotated with shaft, and focal length camera (4) can read imaging in real time Facula mass center, wherein long lens head shape RMS value are better than 1/10 λ 632.8nm, the detector response wave length model of focal length camera (4) Enclose covering and used angle pencil of ray alignment-laser (1).
6. a kind of based on a kind of shafting rotation essence of the optical measuring device of high-precision shafting running accuracy described in claim 1 Spend measurement method, it is characterised in that method and step is as follows:
1) preliminary registration of optical axis and mechanical rotating shaft:Angle pencil of ray alignment-laser (1) is positioned on five times regualting frame (2), Coding disk (3) is installed at the center of tested mechanical rotating shaft (6) again, ensures that it is logical by the installation of coding disk (3) external structure Unthreaded hole and mechanical rotating shaft (6) light hole are concentric, adjust the centre bore transmitting that five times regualting frame (2) makes laser through coding disk (3), Ensure equally to be emitted close to center when emergent light goes out shaft simultaneously, Primary Location angle pencil of ray alignment-laser (1) completes laser The preliminary registration of optical axis and mechanical rotating shaft;
2) accuracy registration of optical axis and mechanical rotating shaft:Focal length camera (4) is installed on tested mechanical rotating shaft (6), wherein focal length The focal length of camera is f, ensures that focal length camera (4) is servo-actuated with tested mechanical rotating shaft (6), tested mechanical rotating shaft (6) is fixed on certain One orientation adjusts orientation, the pitch angle of focal length camera (4) so that angle pencil of ray alignment-laser (1) images in focal length phase Near the center pel of machine (4), tentatively fixed focal length camera (4), then rotates and is tested mechanical rotating shaft (6) and records imaging at this time The locus of points;Center location is found according to the track of imaging point in rotary course, it is ensured that center location is in detector field of view range It is interior, then five times regualting frame (2) is adjusted so that imaging point is close to the center of circle, while need to ensure the light of angle pencil of ray alignment-laser (1) Spot is emitted from coding disk (3) center, and mechanical rotating shaft is registrated by repeatedly adjusting laser beam axis, finally so that imaging barycenter It is smaller with shaft rotation variation;
3) mechanical rotating shaft precision obtains:The direction of angle pencil of ray alignment-laser (1) is adjusted in a small range, rotates tested machinery Shaft (6), is recorded as image spot track, obtains distance between the farthest point of track by the barycenter data in rotary course, repeatedly Fine adjustment angle pencil of ray alignment-laser (1), and repeatedly obtain in rotary course distance between farthest point, by compare record away from From minimum, then the running accuracy of shaft.
CN201810092945.9A 2017-05-27 2018-01-31 A kind of optical measuring device and method of high-precision shafting running accuracy Pending CN108344362A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2017103880191 2017-05-27
CN201710388019.1A CN107179049A (en) 2017-05-27 2017-05-27 The optical measuring device and method of a kind of high-precision shafting running accuracy

Publications (1)

Publication Number Publication Date
CN108344362A true CN108344362A (en) 2018-07-31

Family

ID=59835908

Family Applications (3)

Application Number Title Priority Date Filing Date
CN201710388019.1A Pending CN107179049A (en) 2017-05-27 2017-05-27 The optical measuring device and method of a kind of high-precision shafting running accuracy
CN201810092945.9A Pending CN108344362A (en) 2017-05-27 2018-01-31 A kind of optical measuring device and method of high-precision shafting running accuracy
CN201820160649.3U Active CN207963765U (en) 2017-05-27 2018-01-31 A kind of optical measuring device of high-precision shafting running accuracy

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201710388019.1A Pending CN107179049A (en) 2017-05-27 2017-05-27 The optical measuring device and method of a kind of high-precision shafting running accuracy

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201820160649.3U Active CN207963765U (en) 2017-05-27 2018-01-31 A kind of optical measuring device of high-precision shafting running accuracy

Country Status (1)

Country Link
CN (3) CN107179049A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307974A (en) * 2019-08-19 2019-10-08 王庆喜 A kind of detection device of computer radiating motor main shaft
CN110440842A (en) * 2019-07-25 2019-11-12 广州大学 A kind of no code-disc encoder

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107179049A (en) * 2017-05-27 2017-09-19 中国科学院上海技术物理研究所 The optical measuring device and method of a kind of high-precision shafting running accuracy
CN107883869A (en) * 2017-10-24 2018-04-06 佛山杰致信息科技有限公司 A kind of optical measuring device of high-precision shafting running accuracy
CN108106559B (en) * 2017-12-27 2019-11-19 西安电子科技大学 A kind of precision bearing system radial direction rotating accuracy laser measurement system and method
CN109064519B (en) * 2018-07-13 2021-10-08 云南大学 Method for calibrating parabolic catadioptric camera by using one linear and circular asymptote line
CN109828197B (en) * 2019-03-19 2021-04-09 北京遥感设备研究所 Five-dimensional adjustable terahertz receiving chip responsivity measuring system and method
CN113670196B (en) * 2021-07-26 2023-11-07 杭州电子科技大学 Method and device for measuring radial runout of precision spindle without standard rod
CN114543972B (en) * 2022-02-25 2023-04-11 福州大学 Rotating shaft three-dimensional vibration displacement measuring device and method based on area-array camera

Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289374A (en) * 1978-09-26 1981-09-15 U.S. Philips Corporation Method of and device for providing a concentric envelope on an end of an optical fiber, and fiber having an end provided with a concentric envelope in accordance with the method
US5045678A (en) * 1988-10-29 1991-09-03 U.S. Philips Corp. Method of and arrangement for determining the position of the optical axis of an optical waveguide
JPH07318333A (en) * 1994-05-26 1995-12-08 Ricoh Co Ltd Method of measuring central axis of rotating body
JPH1114328A (en) * 1997-06-24 1999-01-22 Koyo Seiko Co Ltd Rotational accuracy measuring device of rotating body
US20020063859A1 (en) * 2000-11-30 2002-05-30 Michael Hermann Electrooptical measurement device for ascertaining the relative position of bodies or of surface areas of these bodies
JP2003005004A (en) * 2001-06-22 2003-01-08 Canon Inc Optical method and device for aligning center between two axes
US20030151720A1 (en) * 2002-02-11 2003-08-14 Visx, Inc. Apparatus and method for determining relative positional and rotational offsets between a first and second imaging device
EP1510775A1 (en) * 2003-08-28 2005-03-02 Saab Ab Method and arrangement for aligning a gun barrel
CN1624422A (en) * 2004-12-13 2005-06-08 渤海船舶重工有限责任公司 Coaxial measuring tool and measuring method
JP2006194626A (en) * 2005-01-11 2006-07-27 Toto Ltd Eccentricity measuring device
CN101210806A (en) * 2007-12-20 2008-07-02 哈尔滨工业大学 Laser emission axis and mechanical base level coaxiality measuring method based on secondary light source
CN101210805A (en) * 2007-12-20 2008-07-02 哈尔滨工业大学 Transmission modules coaxiality measurement method based on focal plane imaging method
US20080180669A1 (en) * 2007-01-26 2008-07-31 Hon Hai Precision Industry Co., Ltd. Apparatus for checking concentricity between lens barrel and barrel holder
US20080231864A1 (en) * 2007-03-20 2008-09-25 Kranz David M Method for Measuring Center of Rotation of a Nozzle of a Pick and Place Machine Using a Collimated Laser Beam
CN101306505A (en) * 2008-06-20 2008-11-19 吴士旭 Method and device of alignment detection and adjustment of conterminous rotation shafts
JP2009098069A (en) * 2007-10-18 2009-05-07 Olympus Corp Apparatus and method of measuring deflection of rotating body
CN101846496A (en) * 2009-03-25 2010-09-29 富士能株式会社 The position fluctuation measurement method of rotation centerline and device
US20110242545A1 (en) * 2010-03-31 2011-10-06 Fujifilm Corporation Aspheric surface measuring apparatus
CN102645185A (en) * 2011-02-22 2012-08-22 重庆望江工业有限公司 Straightness detecting method of slender pipe type parts
CN103296845A (en) * 2013-04-22 2013-09-11 宁波富仕达电力工程有限责任公司 Centring method in process of mounting generator rotor in threading mode
CN103822595A (en) * 2012-11-19 2014-05-28 普乐福尼克·迪特·布什股份公司 Device and method for determining the relative positions of two coupled shafts to each other
CN104154881A (en) * 2014-07-14 2014-11-19 中国科学院长春光学精密机械与物理研究所 Measuring method for parallelism error of shaft hole end face of telescope four-way
CN104296694A (en) * 2014-09-28 2015-01-21 中国科学院光电研究院 Detection device and method for included angle of optical axis and mechanical rotary shaft of laser tracker
CN105414957A (en) * 2015-12-03 2016-03-23 中国航空工业集团公司洛阳电光设备研究所 Coaxial assembly method for shaft components and coaxiality detection method for shaft components
CN105698713A (en) * 2016-01-27 2016-06-22 西安应用光学研究所 An apparatus for calibrating a revolving axis of a precision shaft system and a calibrating method
CN207963765U (en) * 2017-05-27 2018-10-12 中国科学院上海技术物理研究所 A kind of optical measuring device of high-precision shafting running accuracy

Patent Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289374A (en) * 1978-09-26 1981-09-15 U.S. Philips Corporation Method of and device for providing a concentric envelope on an end of an optical fiber, and fiber having an end provided with a concentric envelope in accordance with the method
US5045678A (en) * 1988-10-29 1991-09-03 U.S. Philips Corp. Method of and arrangement for determining the position of the optical axis of an optical waveguide
JPH07318333A (en) * 1994-05-26 1995-12-08 Ricoh Co Ltd Method of measuring central axis of rotating body
JPH1114328A (en) * 1997-06-24 1999-01-22 Koyo Seiko Co Ltd Rotational accuracy measuring device of rotating body
US20020063859A1 (en) * 2000-11-30 2002-05-30 Michael Hermann Electrooptical measurement device for ascertaining the relative position of bodies or of surface areas of these bodies
JP2003005004A (en) * 2001-06-22 2003-01-08 Canon Inc Optical method and device for aligning center between two axes
US20030151720A1 (en) * 2002-02-11 2003-08-14 Visx, Inc. Apparatus and method for determining relative positional and rotational offsets between a first and second imaging device
EP1510775A1 (en) * 2003-08-28 2005-03-02 Saab Ab Method and arrangement for aligning a gun barrel
CN1624422A (en) * 2004-12-13 2005-06-08 渤海船舶重工有限责任公司 Coaxial measuring tool and measuring method
JP2006194626A (en) * 2005-01-11 2006-07-27 Toto Ltd Eccentricity measuring device
US20080180669A1 (en) * 2007-01-26 2008-07-31 Hon Hai Precision Industry Co., Ltd. Apparatus for checking concentricity between lens barrel and barrel holder
US20080231864A1 (en) * 2007-03-20 2008-09-25 Kranz David M Method for Measuring Center of Rotation of a Nozzle of a Pick and Place Machine Using a Collimated Laser Beam
JP2009098069A (en) * 2007-10-18 2009-05-07 Olympus Corp Apparatus and method of measuring deflection of rotating body
CN101210805A (en) * 2007-12-20 2008-07-02 哈尔滨工业大学 Transmission modules coaxiality measurement method based on focal plane imaging method
CN101210806A (en) * 2007-12-20 2008-07-02 哈尔滨工业大学 Laser emission axis and mechanical base level coaxiality measuring method based on secondary light source
CN101306505A (en) * 2008-06-20 2008-11-19 吴士旭 Method and device of alignment detection and adjustment of conterminous rotation shafts
CN101846496A (en) * 2009-03-25 2010-09-29 富士能株式会社 The position fluctuation measurement method of rotation centerline and device
US20110242545A1 (en) * 2010-03-31 2011-10-06 Fujifilm Corporation Aspheric surface measuring apparatus
CN102645185A (en) * 2011-02-22 2012-08-22 重庆望江工业有限公司 Straightness detecting method of slender pipe type parts
CN103822595A (en) * 2012-11-19 2014-05-28 普乐福尼克·迪特·布什股份公司 Device and method for determining the relative positions of two coupled shafts to each other
CN103296845A (en) * 2013-04-22 2013-09-11 宁波富仕达电力工程有限责任公司 Centring method in process of mounting generator rotor in threading mode
CN104154881A (en) * 2014-07-14 2014-11-19 中国科学院长春光学精密机械与物理研究所 Measuring method for parallelism error of shaft hole end face of telescope four-way
CN104296694A (en) * 2014-09-28 2015-01-21 中国科学院光电研究院 Detection device and method for included angle of optical axis and mechanical rotary shaft of laser tracker
CN105414957A (en) * 2015-12-03 2016-03-23 中国航空工业集团公司洛阳电光设备研究所 Coaxial assembly method for shaft components and coaxiality detection method for shaft components
CN105698713A (en) * 2016-01-27 2016-06-22 西安应用光学研究所 An apparatus for calibrating a revolving axis of a precision shaft system and a calibrating method
CN207963765U (en) * 2017-05-27 2018-10-12 中国科学院上海技术物理研究所 A kind of optical measuring device of high-precision shafting running accuracy

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110440842A (en) * 2019-07-25 2019-11-12 广州大学 A kind of no code-disc encoder
CN110440842B (en) * 2019-07-25 2021-07-13 广州大学 Encoder without code disc
CN110307974A (en) * 2019-08-19 2019-10-08 王庆喜 A kind of detection device of computer radiating motor main shaft
CN110307974B (en) * 2019-08-19 2021-02-05 朱福栋 Detection equipment for computer heat dissipation motor spindle

Also Published As

Publication number Publication date
CN207963765U (en) 2018-10-12
CN107179049A (en) 2017-09-19

Similar Documents

Publication Publication Date Title
CN207963765U (en) A kind of optical measuring device of high-precision shafting running accuracy
CN108801178B (en) Differential confocal auto-collimation center deviation and curvature radius measuring method and device
CN104406541B (en) Precise assembling and adjusting device and method for detector chip of imaging system
CN101650157B (en) Detecting method and detecting device of surface-shape error of double curved surface convex reflecting mirror
WO2017107777A1 (en) Method for measuring surface shape error of rotary symmetrical unknown aspheric surface, and measurement device thereof
JP5902448B2 (en) Measurement of the center of curvature of the optical surface of a multi-lens optical system
CN106873122A (en) A kind of device and method debug for large-diameter non-spherical reflecting mirror centering
CN104360095B (en) A kind of method for measuring instantaneous rotation speed based on Beams, apparatus and system
CN101813458B (en) Method and device for measuring optical axis and gap of lens group by differential confocal internal focusing method
JP5896792B2 (en) Aspherical surface measuring method, aspherical surface measuring device, and optical element processing device
CN104567738A (en) System and method for precisely measuring optical axis parallelism
CN104913732B (en) The normal tracking mode non-spherical measuring method and system interfered based on recombination laser
CN101788271A (en) Method and device for measuring thickness of the center of confocal lens
US6791696B1 (en) Automated optical measurement apparatus and method
CN102944194B (en) High-accuracy high-order aspherical lens eccentricity measuring system and method
US6750958B1 (en) Automated optical measurement apparatus and method
CN110966954A (en) Large-caliber optical element surface shape splicing detection method and device
CN206725192U (en) The off-axis amount and focal length measuring equipment of off-axis parabolic mirror
CN216284233U (en) Off-axis aspherical mirror detection device and detection system
CN209978841U (en) Transmission rotational symmetry aspheric surface detection equipment
CN109008982B (en) Absolute flow velocity measuring device and method for Doppler optical coherence tomography
CN109931874B (en) Laser differential confocal precision measurement method for fit clearance of spherical inertial element
CN110440715A (en) Error compensating method of the photoelectric auto-collimator under long range operating condition
CN209055306U (en) Off axis paraboloidal mirror detection adjustment device
US10788634B1 (en) Evolute tester for optical surfaces

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180731

WD01 Invention patent application deemed withdrawn after publication