CN103994717B - Optical gear measurement device and detection method - Google Patents
Optical gear measurement device and detection method Download PDFInfo
- Publication number
- CN103994717B CN103994717B CN201410224342.1A CN201410224342A CN103994717B CN 103994717 B CN103994717 B CN 103994717B CN 201410224342 A CN201410224342 A CN 201410224342A CN 103994717 B CN103994717 B CN 103994717B
- Authority
- CN
- China
- Prior art keywords
- gear
- tooth
- measurement
- under test
- data
- 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.)
- Expired - Fee Related
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to an optical gear measurement device and a detection method. The optical gear measurement device is characterized in that a lathe bed is connected with the ground through a vibration isolation foundation, a work table is fixedly connected with the lathe bed, a gear to be measured is arranged on the work table, an optical length measuring system is fixed on a rotating table, the rotating table can rotate along a perpendicular shaft, the rotating table is installed on a lifting arm, the lifting arm can move along the Z-axis of the perpendicular shaft, the gear to be measured is arranged on the work table, the optical length measuring system is used for measuring the gear to be measured, and data are transmitted to a data processing and communicating system. According to the method, the non-contact type length measurement system, namely a chromatic dispersion confocal displacement sensor or a laser displacement sensor is adopted for accurately measuring precision of the geometric dimension and the shape position of gear parts and shaft parts such as a circular shaft, a spline shaft, a gear and a hob provided with rotating shafts.
Description
Technical field
The present invention relates to a kind of gear optical measuring device and detection method, especially for including gear in inner rotary shaft
The optical measuring device and detection method of class part, belongs to mechanical measurement field.
Background technology
Due to the inherent character of optical measurement, when light beam crosses center of rotation, and measured piece is measured, may go out
Existing beam incident angle degree is larger, causes measurement error larger, or even the restriction of the geometry due to measured piece itself（Such as class
Hobboing cutter is similar to, negative angle occurs in its blade）Light beam cannot reach the situation on the surface that measured piece need to be detected.Existing generating measurement
It is merely able to measure the relative error of gear, and whole tooth-formation of gear data cannot be obtained.
The content of the invention
It is an object of the invention to provide a kind of gear optical measuring device and detection method, it is a kind of using contactless
Length measurement system be dispersion copolymerization Jiao displacement transducer or laser displacement sensor have rotary shaft to gear class, axle class etc. part such as
The method of the accurate measurement that the physical dimension and shaped position precision of circular shaft, splined shaft, gear, hobboing cutter etc. is carried out.
The technical scheme is that what is be achieved in that：A kind of gear optical measuring device, by lathe bed, workbench, optics
Length measurement system, turntable, lifting arm, data processing and communication system composition；It is characterized in that：Using vibration isolation ground between lathe bed and ground
Base is connected with ground, and workbench is fixedly connected with lathe bed, and gear under test is placed on the table；Optical length measurement system is fixed on and turns
On platform, turntable can be rotated along vertical axises；Turntable is arranged on lifting arm, and lifting arm can be Z axis movement along vertical axises；Tested tooth
Wheel is put on the table, and Optical length measurement system is measured to gear under test, then transfers data to data processing and communication
System.
For the optical detecting method of gear, it is characterised in that：By gear Optical length measurement device by light beam be adjusted to away from
It is that eccentric throw meets internal tooth measurement with a certain distance from turntable center of rotation<250mm, external tooth measurement<200mm；Can be that translation is adjusted
Whole certain distance or by Beam rotation certain angle measuring, its detection is comprised the following steps that：
1) different types of Optical length measurement device is selected according to gear-type, the displacement transducer of Optical length measurement device is solid
It is scheduled on turntable, and turntable synchronous rotary；
2) using annulus being demarcated to sensed system parameter demarcation, adjust lifting arm, make displacement transducer in effectively measurement
Scope is internal tooth measurement<500mm, external tooth measurement<In 400mm, start turntable, while start Optical length measurement system, to gear phase
Close data to measure；
3), after data processing and communication system obtain the data of above Optical length measurement systematic survey, calculate to be measured on turntable
The center of rotation of gear；
4) according to the center of rotation of the gear under test for calculating, coordinate transform is carried out to measurement data, by the survey of gear under test
Amount data are launched on gear compound graduation circle；
5) result after being launched on reference circle according to gear under test, calculates the gear by data processing and communication system
The number of teeth, the crucial tooth profile parameter such as modulus；
6) according to the tooth profile parameter obtained from gear under test, the tooth of theoretical gear is calculated by data processing and communication system
Exterior feature, and contrasted with gear under test flank profil, obtain gear form error；
7) then displacement transducer is repeated into above-mentioned measurement process, most along the distance of Z-direction carrier wheel transverse tooth thickness 1/5-1/3
Gear tooth alignment error is obtained eventually；
8) it is measured, measuring system is returned to into initial position.
The Measurement and Data Processing process of described data processing and communication system is as follows：
1) flank of tooth data to being obtained by Optical length measurement system carry out pretreatment, remove distorted spots and noise spot；
2), after flank of tooth data prediction is finished, gear center of rotation is calculated by data processing and communication system；
3) according to the gear center of rotation for calculating, coordinate transform is carried out to measurement data；
4) gear features such as the tooth top of gear under test, tooth root, the flank of tooth are identified from measurement data；
5) according to the gear feature for identifying, calculate theoretical form of gear tooth parameter；
6) the profile of tooth data that the theoretical form of gear tooth and actually measure is obtained are contrasted, the profile of tooth mistake of calculating gear under test
Difference；
7) result of calculation is checked, if result of calculation is errorless, gear Z-direction displacement is determined according to transverse tooth thickness, drive optics
The displacement transducer of length measurement system is moved along Z-direction, repeated measure tooth profile parameter；
8) after being measured along Z, according to its measurement result, calculate gear tooth alignment error.
The positive effect of the present invention is using a kind of by beam deviation center certain distance or beam deviation is certain
Angle make light beam only center of rotation come the method that measures；By the incident angle for adjusting light beam, light beam is enable to reach
The tested surface of measured piece, and have preferable incident angle, so as to obtain high-precision measurement result, secondary gear can be measured；
Using this measuring method, high-precision profile of tooth teeth directional parameter and its error can not only be obtained, additionally it is possible to measure fine module gear
And internal tooth, the complete profile of tooth data of gear are obtained, the measurement range of the method for using in the past is expanded significantly,.
Description of the drawings
Fig. 1 is the structural representation of the measuring apparatus of the present invention.
Fig. 2 is the schematic diagram of the use measuring apparatus prototype gear a of the present invention.
Fig. 3 is the schematic diagram of the use measuring apparatus prototype gear b of the present invention.
Fig. 4 is the flow chart of the measuring system of the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：As shown in figure 1, a kind of gear optical measuring device, by
Lathe bed 1, workbench 2, Optical length measurement system 4, turntable 5, lifting arm 6, data processing and communication system 7 are constituted；It is characterized in that：
It is connected with ground using vibrating isolation foundation between lathe bed 1 and ground, workbench 2 is fixedly connected with lathe bed 1, gear under test 3 is placed on work
Make on platform 2；Optical length measurement system 4 is fixed on turntable 5, and turntable 5 can be rotated along vertical axises；Turntable 5 is arranged on lifting arm 6,
Lifting arm 6 can be Z axis movement along vertical axises；Gear under test 3 is placed on workbench 2, and Optical length measurement system 4 is to gear under test 3
Measure, then transfer data to data processing and communication system 7.
For the optical detecting method of gear, it is characterised in that：By gear Optical length measurement device by light beam be adjusted to away from
It is that eccentric throw meets internal tooth measurement with a certain distance from turntable center of rotation<250mm, external tooth measurement<200mm；Can be that translation is adjusted
Whole certain distance or by Beam rotation certain angle measuring, its detection as shown in Figure 4 is comprised the following steps that：
1) different types of Optical length measurement device is selected according to gear-type, the displacement transducer of Optical length measurement device is solid
It is scheduled on turntable, and turntable synchronous rotary；
2) using annulus being demarcated to sensed system parameter demarcation, adjust lifting arm, make displacement transducer in effectively measurement
Scope is internal tooth measurement<500mm, external tooth measurement<In 400mm, start turntable, while start Optical length measurement system, to gear phase
Close data to measure；
3), after data processing and communication system obtain the data of above Optical length measurement systematic survey, calculate to be measured on turntable
The center of rotation of gear；
4) according to the center of rotation of the gear under test for calculating, coordinate transform is carried out to measurement data, by the survey of gear under test
Amount data are launched on gear compound graduation circle；
5) result after being launched on reference circle according to gear under test, calculates the gear by data processing and communication system
The number of teeth, the crucial tooth profile parameter such as modulus；
6) according to the tooth profile parameter obtained from gear under test, the tooth of theoretical gear is calculated by data processing and communication system
Exterior feature, and contrasted with gear under test flank profil, obtain gear form error；
7) then displacement transducer is repeated into above-mentioned measurement process, most along the distance of Z-direction carrier wheel transverse tooth thickness 1/5-1/3
Gear tooth alignment error is obtained eventually；
8) it is measured, measuring system is returned to into initial position.
The Measurement and Data Processing process of described data processing and communication system is as follows：
1) flank of tooth data to being obtained by Optical length measurement system carry out pretreatment, remove distorted spots and noise spot；
2), after flank of tooth data prediction is finished, gear center of rotation is calculated by data processing and communication system；
3) according to the gear center of rotation for calculating, coordinate transform is carried out to measurement data；
4) gear features such as the tooth top of gear under test, tooth root, the flank of tooth are identified from measurement data；
5) according to the gear feature for identifying, calculate theoretical form of gear tooth parameter；
6) the profile of tooth data that the theoretical form of gear tooth and actually measure is obtained are contrasted, the profile of tooth mistake of calculating gear under test
Difference；
7) result of calculation is checked, if result of calculation is errorless, gear Z-direction displacement is determined according to transverse tooth thickness, drive optics
The displacement transducer of length measurement system is moved along Z-direction, repeated measure tooth profile parameter；
8) after being measured along Z, according to its measurement result, calculate gear tooth alignment error.
The Optical length measurement system 4 being fixed on during work on turntable 5 sends light beam, is radiated on gear under test 3, displacement sensing
Device and its controller obtain point of irradiation to the relative size of displacement transducer transmitting terminal as Optical length measurement system 4.With turntable 5
Rotate about center rotating, simultaneous displacement sensor prolonged exposure measurement, so as to obtain the physical dimension and shape of gear under test 3
Positional precision.
Beam deviation center certain distance L or the rotation one of gear center of rotation will be crossed using a kind of as shown in 2,3 figures
Fixed angle [alpha], only center of rotation is measured to make light beam.Displacement transducer a sends light beam b, by the incidence for adjusting light beam b
Angle, enables light beam b to reach the tested surface of the gear under test c being fixed on turntable d, and has preferable incident angle, so as to
Obtain high-precision measurement result.Then passing through data processing and communication system 7 carries out data calculating, finally obtains gear under test
3 physical dimension and shaped position precision.
Embodiment 1：
The 3 center of rotation certain distance of beam deviation gear under test that displacement transducer is sent, and gear under test 3 is carried out
Measurement：（Its number of teeth is 30, and modulus is 3, and transverse tooth thickness is 20mm）
1) with the size of measurer bigness scale gear under test 3（Tip diameter is Φ 110mm）,
2) gear under test 3 is placed on workbench 2,
3) adjust lifting arm 6 so that light beam can be irradiated on gear under test 3,
4) displacement transducer is translated into 33.1mm,
5) start turntable 5, Optical length measurement system 4 starts measurement, and gathered data, after data acquisition is finished, will obtain number
According to transmitting to data processing and communication system 7；
6) lifting arm 6 vertically moves down 3mm, 6mm, 9mm, 12mm, respectively repeated acquisition data；
7) lifting arm 6 is driven to make displacement transducer homing；
8) data of 7 pairs of collections of data processing and communication system are analyzed, and obtain the outside circle of gear under test 3, tooth root
Circle, the number of teeth, modulus, and tooth surface error profile of tooth profile of tooth teeth directional parameter related to teeth directional etc..
Embodiment 2：
The 3 center of rotation certain distance of beam deviation gear under test that displacement transducer is sent, and gear under test 3 is carried out
Measurement：（Its number of teeth is 60, and modulus is 4, and transverse tooth thickness is 30mm）
1) with the size of measurer bigness scale gear under test 3（Tip diameter is Φ 142.6mm）,
2) gear under test 3 is placed on workbench 2,
3) adjust lifting arm 6 so that light beam can be irradiated on gear under test 3,
4) displacement transducer is rotated into 30 ° of angles,
5) start turntable 5, Optical length measurement system 4 starts measurement, and gathered data, after data acquisition is finished, will obtain number
According to transmitting to data processing and communication system 7；
6) lifting arm 6 vertically moves down 3mm, 6mm, 9mm, 12mm, 15mm, 18mm difference repeated acquisition data；
7) lifting arm 6 is driven to make displacement transducer homing；
8) data of 7 pairs of collections of data processing and communication system are analyzed, and obtain the outside circle of gear under test 3, tooth root
Circle, the number of teeth, modulus, and tooth surface error profile of tooth profile of tooth teeth directional parameter related to teeth directional etc..
Claims (3)
1. a kind of gear optical measuring device, by lathe bed, workbench, Optical length measurement system, turntable, lifting arm, data processing and
Communication system is constituted；It is connected with ground using vibrating isolation foundation between lathe bed and ground, workbench is fixedly connected with lathe bed, gear under test
Place on the table；Optical length measurement system is fixed on turntable, and turntable can be rotated along vertical axises, it is characterised in that：Optics is surveyed
Light beam is adjusted to meet internal tooth measurement apart from turntable center of rotation certain distance i.e. eccentric throw by long system<250mm, external tooth measurement
<200mm；Translation adjustment certain distance or by Beam rotation certain angle measuring；Turntable is arranged on lifting arm,
Lifting arm can be Z axis movement along vertical axises；Tested gear is put on the table, and Optical length measurement system is surveyed to gear under test
Amount, then transfers data to data processing and communication system.
2. a kind of gear optical measuring device according to claim 1, it is characterised in that the tool of Optical length measurement system detectio
Body step is as follows：
1) different types of Optical length measurement system is selected according to gear-type, the displacement transducer of Optical length measurement system is fixed on
On turntable, and turntable synchronous rotary；
2) using annulus being demarcated to sensed system parameter demarcation, adjust lifting arm, make displacement transducer be in effective range
That is internal tooth measurement<500mm, external tooth measurement<In 400mm, start turntable, while start Optical length measurement system, to gear dependency number
According to measuring；
3), after data processing and communication system obtain the data of above Optical length measurement systematic survey, calculate gear under test on turntable
Center of rotation；
4) according to the center of rotation of the gear under test for calculating, coordinate transform is carried out to measurement data, by the measurement number of gear under test
Launch according on justifying in gear compound graduation；
5) result after being launched on reference circle according to gear under test, calculates the tooth of the gear by data processing and communication system
Number, modulus key tooth profile parameter；
6) according to the tooth profile parameter obtained from gear under test, the flank profil of theoretical gear is calculated by data processing and communication system,
And contrasted with gear under test flank profil, obtain gear form error；
7) then displacement transducer is repeated above-mentioned measurement process, is finally obtained along the distance of Z-direction carrier wheel transverse tooth thickness 1/5-1/3
Obtain gear tooth alignment error；
8) it is measured, by Optical length measurement system recovery to initial position.
3. according to a kind of gear optical measuring device described in claim 2, it is characterised in that described data processing and logical
The Measurement and Data Processing process of letter system is as follows：
1) flank of tooth data to being obtained by Optical length measurement system carry out pretreatment, remove distorted spots and noise spot；
2), after flank of tooth data prediction is finished, gear center of rotation is calculated by data processing and communication system；
3) according to the gear center of rotation for calculating, coordinate transform is carried out to measurement data；
4) tooth top of gear under test, tooth root, the gear feature of the flank of tooth are identified from measurement data；
5) according to the gear feature for identifying, calculate theoretical form of gear tooth parameter；
6) the profile of tooth data that the theoretical form of gear tooth and actually measuring is obtained are contrasted, the profile error of calculating gear under test；
7) result of calculation is checked, if result of calculation is errorless, gear Z-direction displacement is determined according to transverse tooth thickness, drive Optical length measurement
The displacement transducer of system is moved along Z-direction, repeated measure tooth profile parameter；
8) after being measured along Z, according to its measurement result, calculate gear tooth alignment error.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224342.1A CN103994717B (en) | 2014-05-24 | 2014-05-24 | Optical gear measurement device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224342.1A CN103994717B (en) | 2014-05-24 | 2014-05-24 | Optical gear measurement device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994717A CN103994717A (en) | 2014-08-20 |
| CN103994717B true CN103994717B (en) | 2017-04-19 |
Family
ID=51308952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410224342.1A Expired - Fee Related CN103994717B (en) | 2014-05-24 | 2014-05-24 | Optical gear measurement device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103994717B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729409B (en) * | 2015-04-01 | 2017-12-22 | 航天精工股份有限公司 | Fastener localized heat treat area Size Measuring System and its measuring method |
| CN104985483B (en) * | 2015-06-05 | 2017-09-12 | 南京工程学院 | A kind of method for improving large gear circular pitch deviation on-machine measurement precision |
| CN106813584B (en) * | 2017-03-31 | 2019-08-06 | 燕山大学 | Spiral bevel gear key parameter laser detection system and its detection method |
| CN107560584B (en) * | 2017-09-22 | 2024-05-28 | 江门市力泰科技有限公司 | Special gauge for driving gear part |
| CH714443B1 (en) * | 2017-12-15 | 2020-10-15 | Reishauer Ag | Method and device for measuring a rolling machining tool. |
| US10533843B2 (en) | 2018-01-11 | 2020-01-14 | Ford Motor Company | Method for measuring a true concentricity of a rotating shaft |
| CN112304240A (en) * | 2020-10-19 | 2021-02-02 | 西安工程大学 | Bevel gear tooth surface morphology measuring light path and method based on laser interferometry |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561349B (en) * | 2009-06-08 | 2011-01-26 | 爱佩仪中测（成都）精密仪器有限公司 | Large gear detecting method and detecting device |
| CN102322796B (en) * | 2011-07-20 | 2013-07-03 | 唐大春 | Laser detection device and method for gear parameters |
| US8997365B2 (en) * | 2012-06-12 | 2015-04-07 | Solar Turbines Incorporated | Shaft alignment tools and methods |
-
2014
- 2014-05-24 CN CN201410224342.1A patent/CN103994717B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103994717A (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103994717B (en) | Optical gear measurement device and detection method | |
| US10073435B2 (en) | Reducing errors of a rotatory device, in particular for the determination of coordinates of a workpiece or the machining of a workpiece | |
| CN105404238B (en) | A kind of linearisation scaling method of the gauge head pose in machine laser measurement | |
| CN105277129B (en) | A kind of contactless gauge measuring system of laser range sensor dynamic | |
| JP2018179958A (en) | Optical spindle multiple degrees-of-freedom error measurement device and method | |
| CN102322796A (en) | Laser detection device and method for gear parameters | |
| CN104776798A (en) | Measurement device and measurement method of boundary dimension and geometric tolerance of cylindrical workpiece | |
| CN106403848A (en) | Single-point laser rotation scanning-based deep hole straightness detection device and detection method | |
| CN105423946A (en) | Laser-displacement-sensor-based journal axle center measurement apparatus, and measurement and calibration methods thereof | |
| CN106181583A (en) | The five unrelated error detection methods in axle gear making machine position based on little cutting output test specimen | |
| JP6336488B2 (en) | Method and apparatus for determining a machining axis | |
| CN104070418B (en) | Axial symmetry surface shape of optical aspheric surface On-line Measuring Method | |
| CN205192431U (en) | Case valve barrel parameter automatic checkout device | |
| CN103175486A (en) | Device and method for splicing interferometry of cylindricity errors | |
| CN110196019A (en) | A kind of laser sensor caliberating device and its scaling method | |
| CN103344195A (en) | Swing arm type contourgraph measuring head alignment calibration device with rotating sensor | |
| CN104515481A (en) | Device and method for measuring planeness of large-diameter torus | |
| CN204142183U (en) | Rotate the optical measuring device of axial workpiece | |
| CN107900781A (en) | Caliberating device and scaling method for the contact on-line detecting system of lathe | |
| CN203349785U (en) | Laser measurement device and system for adjustable propeller blade | |
| CN107449348B (en) | High-precision large-range automatic measuring device and measuring method for inner diameter of cylinder sleeve | |
| CN103522127A (en) | On-machine measuring device and method for rotary curve contour machining | |
| CN117260389A (en) | Multi-sensor fusion-driven large-scale deep hole part shape error in-situ measurement system | |
| CN102581702B (en) | Method for positioning hole center | |
| CN104786099B (en) | A kind of test device and method of testing for servo saddle repetitive positioning accuracy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20180524 |