CN102001025B - Processing precision property online measurement device and method for super-heavy lathe - Google Patents
Processing precision property online measurement device and method for super-heavy lathe Download PDFInfo
- Publication number
- CN102001025B CN102001025B CN 201010516913 CN201010516913A CN102001025B CN 102001025 B CN102001025 B CN 102001025B CN 201010516913 CN201010516913 CN 201010516913 CN 201010516913 A CN201010516913 A CN 201010516913A CN 102001025 B CN102001025 B CN 102001025B
- Authority
- CN
- China
- Prior art keywords
- measurement
- fixed
- lathe
- superduty
- light
- Prior art date
Links
- 280000044035 Property Online companies 0.000 title abstract 3
- 238000003384 imaging method Methods 0.000 claims abstract description 14
- 230000003287 optical Effects 0.000 claims abstract description 14
- 281000151679 Spot Image companies 0.000 claims abstract description 11
- 240000006028 Sambucus nigra Species 0.000 claims description 13
- 238000003754 machining Methods 0.000 claims description 11
- 230000001678 irradiating Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005755 formation reactions Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000000034 methods Methods 0.000 abstract description 15
- 238000005516 engineering processes Methods 0.000 abstract description 4
- 238000000691 measurement method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003908 quality control methods Methods 0.000 description 3
- 210000001624 Hip Anatomy 0.000 description 2
- 238000010586 diagrams Methods 0.000 description 2
- 239000004065 semiconductors Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Abstract
Description
Technical field
The invention belongs to superduty machine tool capability detection technique field, relate to the method that detects online the rotating object surface topography with light as the sensing means, particularly a kind of method and system for the assessment of superduty lathe machining accuracy on-machine measurement.
Background technology
In Aero-Space, large-scale mining machinery, Large Hydropower Station, in the process of the ultra-large workpieces such as nuclear power plant equipment, the superduty lathe is one of its main process equipment.Though domestic superduty lathe is in developing stage at present, the report of existing shaped article outlet.In superduty lathe research and development and use procedure, be a quality control difficult problem to the measurement of ultra-large workpiece processing dimension.This is that if the workpiece take 10 rev/mins of diameters of the speed of mainshaft as 5000mm, the cutting linear velocity of lathe is greater than 100m/min because in the large-scale workpiece process, workpiece is in rotation status.Because the processing work size is large, machining is the process of a long-time continuous processing in addition, and the wearing and tearing of process tool are very important for processing quality control.The online size that detects processing work not only is conducive to the processing quality control of ultra-large workpiece, and is conducive to detect the assembly such as machine tool in the variation of machine tool processing workpiece process performance, provides foundation for improving Machine Tool design.For the dimensional measurement of rotational workpieces, contact measurement method is inapplicable.And in the existing contactless workpiece processing dimension measuring method, measuring method is a kind of effective method.Existing measuring method and equipment owing to can not obtain active data, are not suitable for the on-line measurement of superduty machine tool processing workpiece under machine tool high speed line cutting speed.
Summary of the invention
Defective or deficiency for the online demand that detects of superduty lathe processing work and prior art creation, the object of the present invention is to provide a kind of superduty lathe machining accuracy characteristic on-machine measurement apparatus and method that can be used for, the method is reliable for the rotational workpieces image data, can be used for the front location of workpiece processing, the on-line measurement of process, after the processing at machine testing.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of superduty lathe machining accuracy characteristic on-machine measurement device comprises light-source system, light spot image acquisition system and data handling system; Described light-source system includes LASER Light Source, convergent lens, collimation lens and collimation lens are arranged on the light path of LASER Light Source successively, they all are installed in the drum type housing, the drum type housing is fixed on fore-stock and the after-poppet, fore-stock and after-poppet are fixed on the holder housing by front left screw, front right screw, rear left screw and rear right screw, between fore-stock housing and after-poppet and the housing spring supporting is arranged, LASER Light Source sends outgoing beam and enter the light spot image acquisition system by folded light beam behind the large-scale workpiece surface reflection;
The light spot image acquisition system comprises optical filter, imaging len, is fixed into as lens holder, is fixed into rotating shaft mechanism and line array CCD as lens holder, optical filter is installed on the imaging len, imaging len is installed in and is fixed on the picture lens holder, and anchor clamps are fixed on the rotating mechanism 15;
Data handling system comprises data acquisition and treatment circuit and interface, interface and interface, and interface is connection data sampling and processing circuit and LASER Light Source respectively, the collection of interface connection data and control circuit and line array CCD, joint connecting device and computer.
A kind of method of using such as above-mentioned device, the method comprises the steps:
Step 1, with above-mentioned measurement mechanism by fixed support be fixed on one vertically the motion guide rail on;
Step 2, the guide rail of step 1 is fixed on the base of tool of heavy-duty engine lathe, make the direction of motion of guide rail be in vertical direction and with the tool sharpening direction of advance vertical;
Step 3, the pitching of adjustment measurement mechanism on fixed support make the plane of measurement mechanism outgoing beam and folded light beam formation and the linear velocity perpendicular direction of surface of the work motion;
Step 4, to be clamped in the column type workpiece that machines on the heavy machine tool as measuring object, measurement mechanism is moved up and down along guide rail, seek the position of the minimum of a value of the data that measurement mechanism measures, this position is exactly to measure the position that heavy machine tool main shaft rotation centerline is passed through on irradiating light beam and the formed plane of folded light beam.Measurement mechanism is fixed on this position;
Step 5, take the geometric parameter of processing work as measuring object, by machine tool seat feed system, calibrate the measurement mechanism datum mark with respect to the guide rail of lathe, supporting plate and the base of tool, the relative position coordinates of the cylindrical-coordinate system that main shaft consists of is finished the demarcation of measurement mechanism on lathe;
Step 6, when measurement mechanism on lathe during online on-position measure, at first the measured value solution is counted as the value with respect to the measurement mechanism measuring basis, the rear measurement mechanism benchmark of demarcating according to measuring system is with respect to the position coordinates of lathe cylindrical-coordinate system, and the measured value solution is counted as coordinate figure with respect to the lathe cylindrical-coordinate system.
The present invention uses the high speed linear array imageing sensor and gathers representation of laser facula, by one group of light spot image sequence application image recovery technology obtaining is obtained the hot spot picture rich in detail, the correlation of pixel grey scale identifies the sub-pix central point of light spot image between the application image sequence again, resolve by the trigonometry imaging optical path, can effectively obtain the positional information on rotational workpieces surface, thereby overcome existing measuring method and installed the technological deficiency that effectively to obtain the rotating machined workpiece surface position information.
The present invention is take the rotational workpieces surface position information obtained as the basis, the measurement mechanism of developing is installed on the heavy-duty engine lathe, after finishing the debugging calibration process, can realize the online on-position measure of heavy-duty engine lathe rotational workpieces processing dimension, this measuring system also has the positioning function to processing work simultaneously.
Description of drawings
Fig. 1 is the superduty lathe machining accuracy characteristic on-machine measurement device schematic diagram based on optical sensing methods.
Number in the figure: 1, LASER Light Source, 2, convergent lens, 3, collimation lens 1,4, collimation lens 2,5, the drum type housing of light source part is installed, 6, support 1,7, support 2,8, spring screw device 1,9, spring screw device 2,10, spring screw device 3,11, spring screw device 4,12, optical filter, 13, imaging len, 14, the fixing anchor clamps of imaging len, 15, be fixed into the rotating shaft mechanism of picture lens holder, 16, line array CCD, 17, data acquisition and treatment circuit, 18, holder housing, 19, interface 1,20, interface 2,21, interface 3,22, outgoing beam, 23, folded light beam, 24, the large-scale workpiece surface.
Fig. 2 is the method schematic diagram of superduty lathe machining accuracy characteristic on-machine measurement.
Label wherein represents respectively: 25, processed large-scale workpiece, 26, heavy-duty engine lathe guide rail platform, 27, the tool feeding case, 28, toolframe, 29, cutter, 30, guide rail, 31, fixed support, 32, measurement mechanism of the present invention, 33, optical path
The specific embodiment
Referring to Fig. 1, the laser beam that semiconductor laser is sent based on the superduty lathe machining accuracy characteristic on-machine measurement device of optical sensing methods that the present invention relates to is behind convergent lens, obtain in the poly-lens front surface 100～500mm scope of namely defection of measurement category through collimation lens set again, each length is in laser beam waist 25mm scope, and lasing beam diameter is less than 40um.Laser beam is removed by optical filter through the surface of the work reflection and is disturbed the light wave composition, by the imaging len imaging.Optical filter transmitted light wave frequency range is consistent with the frequency of light wave scope of the semiconductor laser that adopts.Laser facula is used the high speed linear array imageing sensor and is received.Can obtain one group of light spot image sequence by the high speed linear array imageing sensor, the application image recovery technology obtains the hot spot picture rich in detail, and the correlation of pixel grey scale identifies the sub-pix central point of light spot image between the application image sequence again.By demarcating and calculate the geometrical relationship between irradiating light beam and the folded light beam, can obtain the corresponding relation of surface of the work locus and line scan image sensor location of pixels.In measuring process, put line scan image sensor is upper according to laser facula, can calculate surface of the work for the change in location of reference-calibrating.
To use above-mentioned superduty lathe machining accuracy characteristic on-machine measurement device is fixed on the machine tool seat, obtain device with respect to guide rail by demarcating to adjust, the base of tool, the reference coordinate of main shaft cylindrical-coordinate system, again the positional information of the surface of the work of measurement device is resolved in the cylindrical-coordinate system, realized workpiece processing prelocalization, the online detection in the process, the tool wear at machine testing and in to process of workpiece after the processing, the detection of the factors such as vibration.
The present invention can by adjusting collimation lens 3 and collimation lens 4 adjustment laser beam waist positions, can adjust pitching and the height of drum type housing 5 by adjusting front left screw 8, front right screw 9, rear left screw 10 and rear right screw 11.Stationary fixture 14 by rotation installation imaging len 13 is adjusted to as the angle between lens axis and the line scan image sensor simultaneously, make imaging system satisfy the Scheimpflug condition, change simultaneously the measuring basis position of optical sensing methods, to adapt to the requirement without measurement category.
Referring to Fig. 2, the installing component of superduty lathe machining accuracy characteristic on-machine measurement device 32 on heavy machine tool of the present invention's research and development comprises guide rail 30 and fixed support 31.Measurement mechanism 32 is fixed on the fixed support 31, and fixed support 31 is fixed on the slide block of guide rail 30, can drive measurement mechanism 32 and move in the vertical direction.When measurement mechanism 32 is installed, make the plane of measurement mechanism 32 outgoing beams and folded light beam formation and the linear velocity perpendicular direction of surface of the work motion by adjustment.
At measurement mechanism 32 after installation on the heavy-duty engine lathe, by moving up and down along guide rail 30, seek the position of the minimum of a value of the data that measurement mechanism 32 measures, this position is exactly to measure the position that irradiating light beam and plane that folded light beam forms overlap with heavy machine tool main shaft rotation centerline.
By above-mentioned installation and adjustment process, measurement mechanism is in conjunction with machine tool guideway, supporting plate and the base of tool, and the cylindrical-coordinate system that main shaft consists of forms a system of in the machine tooling scope surface of the work position being measured.This measuring system by with data solver that measurement mechanism is surveyed under the cylindrical-coordinate system of lathe itself, realize the location of workpiece and the online on-position measure of processing geometric parameter.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010516913 CN102001025B (en) | 2010-10-22 | 2010-10-22 | Processing precision property online measurement device and method for super-heavy lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010516913 CN102001025B (en) | 2010-10-22 | 2010-10-22 | Processing precision property online measurement device and method for super-heavy lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102001025A CN102001025A (en) | 2011-04-06 |
| CN102001025B true CN102001025B (en) | 2013-02-06 |
Family
ID=43808865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010516913 CN102001025B (en) | 2010-10-22 | 2010-10-22 | Processing precision property online measurement device and method for super-heavy lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102001025B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814512B (en) * | 2012-08-24 | 2014-07-16 | 沈阳黎明航空发动机(集团)有限责任公司 | On-line measuring method for radials profile of compressor disc-like part of engine |
| TWI490077B (en) * | 2012-11-30 | 2015-07-01 | Ind Tech Res Inst | Calibration apparatus and a compensation controlling method for multi-axes machines using the same |
| CN104772656B (en) * | 2015-04-02 | 2017-04-26 | 西安交通大学 | Online measuring system and method for rotary part of lathe |
| CN105033751B (en) * | 2015-06-24 | 2017-07-11 | 中国科学院光电技术研究所 | The on-line checking processing unit (plant) and method of a kind of convex cone mirror |
| CN105139005A (en) * | 2015-09-23 | 2015-12-09 | 无锡市中捷减震器有限公司 | Detection device with workpiece identification and marking functions |
| TWI640388B (en) * | 2017-11-10 | 2018-11-11 | 財團法人工業技術研究院 | Servo tuning device and servo tuning method |
| CN108036724A (en) * | 2017-12-01 | 2018-05-15 | 武汉万集信息技术有限公司 | A kind of dimension of object measuring method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5644141A (en) * | 1995-10-12 | 1997-07-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Apparatus and method for high-speed characterization of surfaces |
| CN2378150Y (en) * | 1999-05-13 | 2000-05-17 | 武汉市青山机电厂 | Laser measuring, digital control precision automatic cutting device |
| CN1743800A (en) * | 2005-10-12 | 2006-03-08 | 浙江大学 | Micro angular displacement measuring device based on linear array charge-coupled device |
| CN2786554Y (en) * | 2003-12-05 | 2006-06-07 | 邹定海 | Three-dimensional laser vision measuring sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231832A (en) * | 1992-02-24 | 1993-09-07 | I N R Kenkyusho:Kk | Method and device for measuring three-dimensional shape |
| KR100421729B1 (en) * | 2000-08-25 | 2004-03-10 | 재단법인 포항산업과학연구원 | A laser triangulation sensor with multiple position detection rules |
-
2010
- 2010-10-22 CN CN 201010516913 patent/CN102001025B/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5644141A (en) * | 1995-10-12 | 1997-07-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Apparatus and method for high-speed characterization of surfaces |
| CN2378150Y (en) * | 1999-05-13 | 2000-05-17 | 武汉市青山机电厂 | Laser measuring, digital control precision automatic cutting device |
| CN2786554Y (en) * | 2003-12-05 | 2006-06-07 | 邹定海 | Three-dimensional laser vision measuring sensor |
| CN1743800A (en) * | 2005-10-12 | 2006-03-08 | 浙江大学 | Micro angular displacement measuring device based on linear array charge-coupled device |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平5-231832A 1993.09.07 |
| 方平等.基于线阵CCD的新型微位移传感器的研究.《传感技术学报》.2006,第19卷(第1期),第74-77页. * |
| 王晓嘉等.激光三角法综述.《仪器仪表学报》.2004,第25卷(第4期),第601-608页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102001025A (en) | 2011-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105823435B (en) | A kind of gear measurement device and gear measuring method based on laser displacement sensor | |
| EP2929287B1 (en) | High speed metrology with numerically controlled machines | |
| CN107402044B (en) | A kind of online nondestructive detection system of metal increasing material manufacturing component quality and method | |
| CN102607457B (en) | Measuring device and measuring method for large three-dimensional morphology based on inertial navigation technology | |
| CN105404238B (en) | A kind of linearisation scaling method of the gauge head pose in machine laser measurement | |
| CN102322796B (en) | Laser detection device and method for gear parameters | |
| US7278222B2 (en) | Method for measuring a program-controlled machine tool | |
| US6973738B2 (en) | Measuring method and device, machine tool having such device, and work processing method | |
| CN101842188B (en) | Rotating part position and change finding method and apparatus | |
| TWI474891B (en) | Calibration method of gear measuring device | |
| CA2718224C (en) | Apparatus, system, and method for measuring thread features on pipe or tube end | |
| CN104084669B (en) | A kind of circumferential weld visible detection method detected based on decoupling zero | |
| CN203849177U (en) | Non-contact detection equipment | |
| CN100335860C (en) | Workpiece inspection method | |
| CN102095384B (en) | Multiparameter internal-diameter measurement system and method based on high-precision coaxial positioning | |
| EP3115742B1 (en) | 3d measuring machine | |
| CN103234481B (en) | High-efficiency and high-precision detection device for circular arc roundness of cutter point of diamond cutter | |
| CN101718536B (en) | Triangle diamond cutter angle high-precision automatic measuring system and measuring method | |
| CN107063119B (en) | Inner wall of the pipe pattern and central axis linearity measurer and method | |
| CN105547344B (en) | A kind of test equipment calibrating installation and its calibration method | |
| CN102042811B (en) | High-precision multi-parameter automatic inner diameter measurement mechanism and method | |
| CN105758343B (en) | The device and method of C axis centre of gyration calibration based on double standard balls | |
| CN103920990B (en) | A kind of laser Machining head of automatic controlled working focal length and processing method | |
| CN103148784B (en) | The full-scale detection method of a kind of large-scale blade | |
| CN103180094B (en) | The assay method of tool sizes and determinator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C06 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU DIKA TESTING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XI AN JIAOTONG UNIV. Effective date: 20150602 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150602 Address after: 215505 Jiangsu province Suzhou Changshou City Lianfeng Road No. 58 Patentee after: Suzhou cartesan Testing Technology Co. Ltd Address before: 710049 Xianning West Road, Shaanxi, China, No. 28, No. Patentee before: Xi'an Jiaotong University |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710049 XI AN, SHAANXI PROVINCE TO: 215505 SUZHOU, JIANGSU PROVINCE |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110406 Assignee: Xi'an like Photoelectric Technology Co., Ltd. Assignor: Suzhou cartesan Testing Technology Co. Ltd Contract record no.: 2015610000089 Denomination of invention: Processing precision property online measurement device and method for super-heavy lathe Granted publication date: 20130206 License type: Exclusive License Record date: 20150902 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |