CN109425310A - A kind of line slideway auxiliary precision On-line Measuring Method - Google Patents
A kind of line slideway auxiliary precision On-line Measuring Method Download PDFInfo
- Publication number
- CN109425310A CN109425310A CN201710754699.4A CN201710754699A CN109425310A CN 109425310 A CN109425310 A CN 109425310A CN 201710754699 A CN201710754699 A CN 201710754699A CN 109425310 A CN109425310 A CN 109425310A
- Authority
- CN
- China
- Prior art keywords
- sliding block
- variable quantity
- linear guide
- line
- laser displacement
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a kind of line slideway auxiliary precision On-line Measuring Methods, linear guide is fixed on horizontal checkout platform, it is located at linear guide two sides on horizontal checkout platform to be equipped with about the symmetrical vertical datum level of linear guide, horizontal plane at the top of linear guide, two groups of laser displacement sensors are set in two sides of sliding block and the top horizontal position of sliding block, two groups of laser displacement sensors are connect with host computer, it controls sliding block and runs to the other end from one end of linear guide, after abrasion or deformation occur for guide rail, laser displacement sensor output valve changes, the side depth of parallelism variable quantity of line slideway auxiliary can be calculated according to the changing value, top surface depth of parallelism variable quantity, sliding block deflection angle variable quantity and slider pitch angle variable quantity.This method realizes the on-line checking of rectilinear orbit pair, examines relative to traditional offline hand, and a little with duration and stability, detection accuracy is much higher than traditional hand inspection.
Description
Technical field
The present invention relates to a kind of line slideway auxiliary precision On-line Measuring Methods.
Background technique
Linear guide is also known as line rail, sliding rail, linear guides, linear slide rail, is used for straight reciprocating motion occasion, and can hold
Certain torque is carried on a shoulder pole, can realize high-precision linear motion in high-load situations, this.Depending on frictional property, linear motion
Guide rail can be divided into the types such as sliding friction guide rail, rolling friction guide rail, elastic-friction guide rail, fluid friction guide rail.Linear axis
Hold be used primarily on automated machine compare it is more, as the lathe of German import, bending machine, laser-beam welding machine etc., certain straight line
Bearing and linear axis are matched.As linear guide mainly in the relatively high mechanical structure of required precision, straight line is led
Do not have to intermediate medium between the moving element and fixing element of rail, and uses rolling steel balls.
Sliding block-makes movement by profile changeover straight line.Guide track system makes lathe can get fast feed speed, turns in main shaft
In the identical situation of speed, the characteristics of fast feed is linear guide.For linear guide as flat guide, there are two substantially first
Part；One is fixing element as guiding, the other is moving element.Since linear guide is standarized component, to lathe system
Make the depth of parallelism of the plane for only processing an installation guide rail and tune-up guide rail that for factory uniquely to be done.Certainly, in order to guarantee
The precision of lathe, lathe bed or a small amount of scraping of column be it is essential, in most cases, installation is fairly simple.Make
Guide rail for guiding is hardened steel, is placed on mounting plane through fine grinding.Compared with flat guide, linear guide cross section it is several
What shape, more complicated than flat guide, complicated reason is because needing to process groove on guide rail, in favor of the shifting of sliding members
It is dynamic, the shape and quantity of groove, depending on the function to be completed of lathe.Such as: one had not only been born linear function power, but also has born top
The guide track system for covering torque is very different in design compared with the guide rail for being subjected only to linear function power.
The basic function of the fixing element (guide rail) of linear rail system installs the bracket of steel ball, shape such as bearer ring
For " v " font.Bracket is wrapped in the top and two sides of guide rail.In order to support the workpiece of lathe, a set of linear guide is extremely
It is few that there are four brackets.It is used to support large-scale workpiece, the quantity of bracket can be more than four.
When the workpiece of lathe is mobile, steel ball is just circulated in bracket groove, and the abrasion loss of bracket is shared
On each steel ball, to extend the service life of linear guide.In order to eliminate the gap between bracket and guide rail, preload energy
The stability of guide track system is improved, the acquisition of preloading is that overdimensioned steel ball is installed between guide rail and bracket.Steel ball is straight
Diameter tolerance be ± 20 microns, with 0.5 micron for increment, steel ball sifting sort is respectively pivoted on guide rail, preload it is big
It is small, depending on acting on the active force on steel ball.If the active force acted on steel ball is excessive, it is subjected to preloading time mistake
It is long, cause support motion resistance to enhance, with regard to will appear balanced action problem；In order to improve the sensitivity of system, movement resistance is reduced
Power will correspondingly reduce preloading, and in order to improve the retentivity of kinematic accuracy and precision, it is desirable that there are enough pre-add negative
Number, this is contradictory two aspect.
Working time is too long, and steel ball is begun to wear out, and the preload acted on steel ball starts to weaken, and lathe is caused to work
The reduction of component kinematic accuracy.If keeping initial precision, it is necessary to replace rail brackets, or even replacement guide rail.If guide rail
System has preload effect.System accuracy has been lost, and unique method is replacement rolling element.
The design of guide track system makes every effort to have maximum contact area between fixing element and moving element, this can not only be mentioned
The bearing capacity of high system, and system can bear intermittent cut or gravity impact force caused by cutting, and active force is expanded extensively
It dissipates, expands the area of endurance.To achieve it, the groove shape of guide track system is there are many multiplicity, it is representative
There are two types of, a kind of referred to as Gothic (gothic arch), shape is the extension of semicircle, and contact point is vertex；Another kind be it is arc-shaped, together
Sample can serve identical.
Summary of the invention
Goal of the invention: being directed to the above-mentioned prior art, proposes a kind of line slideway auxiliary precision On-line Measuring Method, realizes straight line
The accuracy data of guideway acquires.
Technical solution: a kind of line slideway auxiliary precision On-line Measuring Method, including two groups of laser displacement sensors and connection
The host computer of the laser displacement sensor, wherein laser displacement sensor described in one group is symmetrically fixed on two sides of sliding block
Face, laser displacement sensor described in another set are fixed on the top horizontal position of sliding block, and symmetrical about sliding block longitudinal axis；
Linear guide is fixed on horizontal checkout platform, and the linear guide two sides are located on the horizontal checkout platform and are equipped with about described
The symmetrical vertical datum level of linear guide further includes the horizontal plane at the top of the linear guide, the vertical benchmark
There are gaps with the side of the sliding block and top respectively for face and horizontal plane；The one end for controlling sliding block from linear guide is even
Speed moves to the other end of linear guide, and line slideway auxiliary is calculated in real time according to the data of two groups of laser displacement sensors
Side depth of parallelism variable quantity, top surface depth of parallelism variable quantity, sliding block deflection angle variable quantity and slider pitch angle variable quantity.
Further, the parallel of sliding block side is determined according to the side depth of parallelism variable quantity maximum value of the line slideway auxiliary
Degree, determines the parallel of slider top according to the top surface depth of parallelism variable quantity maximum value of the line slideway auxiliary.
Further, what the laser displacement sensor that the sliding block deflection angle variable quantity is equal to positioned at the side of sliding block measured
Numerical value change amount and the laser displacement sensor distance of side two are than the slider pitch angle variable quantity is equal to the top water of sliding block
What prosposition was set；Numerical value change amount that laser displacement sensor measures and two, top laser displacement sensor distance than.
Further, inclined according to the side depth of parallelism variable quantity of the line slideway auxiliary, top surface depth of parallelism variable quantity, sliding block
The difference of pivot angle variable quantity and slider pitch angle variable quantity and nominal value as line slideway auxiliary precision on-line measurement judge according to
According to value.
The utility model has the advantages that a kind of line slideway auxiliary precision On-line Measuring Method of the invention, linear guide are fixed on horizontal survey
It is located at linear guide two sides in test stand, on horizontal checkout platform to be equipped with about the symmetrical vertical datum level of linear guide, is located at straight
The horizontal plane of line rail crown sets two groups of laser displacements in two sides of sliding block and the top horizontal position of sliding block and passes
Sensor, two groups of laser displacement sensors are connect with host computer, are controlled sliding block and from one end of linear guide are run to the other end, when leading
After abrasion or deformation occur for rail, laser displacement sensor output valve changes, and straight line can be calculated according to the changing value
Side depth of parallelism variable quantity, top surface depth of parallelism variable quantity, sliding block deflection angle variable quantity and the slider pitch angle variation of guideway
Amount realizes the accuracy data acquisition of line slideway auxiliary with this.
Specific embodiment
Further explanation is done to the present invention below.
A kind of line slideway auxiliary precision On-line Measuring Method, including two groups of laser displacement sensors and connection laser displacement pass
The host computer of sensor, wherein one group of laser displacement sensor is symmetrically fixed on two sides of sliding block, laser described in another set
Displacement sensor is fixed on the top horizontal position of sliding block, and symmetrical about sliding block longitudinal axis.Linear guide is fixed on level
It is located at linear guide two sides on testboard, on horizontal checkout platform to be equipped with about the symmetrical vertical datum level of linear guide, also wraps
Include the horizontal plane being located at the top of linear guide, vertical datum level and horizontal plane respectively with the side of sliding block and top
There are gaps.Sliding block is controlled from one end uniform motion of linear guide to the other end of linear guide, according to two groups of laser displacements
The side depth of parallelism variable quantity, top surface depth of parallelism variable quantity, sliding block that line slideway auxiliary is calculated in the data of sensor in real time are inclined
Pivot angle variable quantity and slider pitch angle variable quantity.
Wherein, the depth of parallelism that sliding block side is determined according to the side depth of parallelism variable quantity maximum value of line slideway auxiliary, according to
The top surface depth of parallelism variable quantity maximum value of line slideway auxiliary determines the parallel of slider top.Sliding block deflection angle variable quantity is equal to and is located at
The numerical value change amount and the laser displacement sensor distance of side two that the laser displacement sensor of the side of sliding block measures are than sliding block
Pitch angle variable quantity is equal to the top horizontal position of sliding block；The numerical value change amount and top two that laser displacement sensor measures
A laser displacement sensor distance than.Finally according to the side depth of parallelism variable quantity of institute's line guideway, top surface depth of parallelism variable quantity,
The difference of sliding block deflection angle variable quantity and slider pitch angle variable quantity and nominal value is as line slideway auxiliary precision on-line measurement
Judgment basis value.
In above process, the offset of the horizontal direction of sliding block vertical line guide rail is that the side of line slideway auxiliary is flat
Row degree variable quantity, offset of the sliding block in vertical axis direction are the top surface depth of parallelism variable quantity of line slideway auxiliary, sliding block around
The deflection of vertical axis is sliding block deflection angle variable quantity, and sliding block is that sliding block is bowed around the horizontal direction deflection of vertical line guide rail
Elevation angle variable quantity.This method realizes the on-line checking of rectilinear orbit pair, examines relative to traditional offline hand, with duration
A little with stability, detection accuracy is much higher than traditional hand inspection.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of line slideway auxiliary precision On-line Measuring Method, it is characterised in that: including two groups of laser displacement sensors and connection
The host computer of the laser displacement sensor, wherein laser displacement sensor described in one group is symmetrically fixed on two sides of sliding block
Face, laser displacement sensor described in another set are fixed on the top horizontal position of sliding block, and symmetrical about sliding block longitudinal axis；
Linear guide is fixed on horizontal checkout platform, and the linear guide two sides are located on the horizontal checkout platform and are equipped with about described
The symmetrical vertical datum level of linear guide further includes the horizontal plane at the top of the linear guide, the vertical benchmark
There are gaps with the side of the sliding block and top respectively for face and horizontal plane；The one end for controlling sliding block from linear guide is even
Speed moves to the other end of linear guide, and line slideway auxiliary is calculated in real time according to the data of two groups of laser displacement sensors
Side depth of parallelism variable quantity, top surface depth of parallelism variable quantity, sliding block deflection angle variable quantity and slider pitch angle variable quantity.
2. a kind of line slideway auxiliary precision On-line Measuring Method according to claim 1, it is characterised in that: according to described straight
The side depth of parallelism variable quantity maximum value of line guideway determines the depth of parallelism of sliding block side, according to the top surface of the line slideway auxiliary
Depth of parallelism variable quantity maximum value determines the parallel of slider top.
3. a kind of line slideway auxiliary precision On-line Measuring Method according to claim 1 or 2, it is characterised in that: the cunning
Block deflection angle variable quantity is equal to the numerical value change amount that the laser displacement sensor positioned at the side of sliding block measures and side two is swashed
Optical displacement sensor distance is than the slider pitch angle variable quantity is equal to the top horizontal position of sliding block；Laser displacement sensing
Numerical value change amount that device measures and two, top laser displacement sensor distance than.
4. a kind of line slideway auxiliary precision On-line Measuring Method according to claim 3, it is characterised in that: according to described straight
Side depth of parallelism variable quantity, top surface depth of parallelism variable quantity, sliding block deflection angle variable quantity and the slider pitch angle of line guideway become
Change amount and the difference of nominal value are as line slideway auxiliary precision on-line measurement judgment basis value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754699.4A CN109425310A (en) | 2017-08-29 | 2017-08-29 | A kind of line slideway auxiliary precision On-line Measuring Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754699.4A CN109425310A (en) | 2017-08-29 | 2017-08-29 | A kind of line slideway auxiliary precision On-line Measuring Method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425310A true CN109425310A (en) | 2019-03-05 |
Family
ID=65503445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710754699.4A Pending CN109425310A (en) | 2017-08-29 | 2017-08-29 | A kind of line slideway auxiliary precision On-line Measuring Method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425310A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097723A (en) * | 2020-08-26 | 2020-12-18 | 宁夏共享机床辅机有限公司 | Linear rail precision detection device and detection method for seventh axis of robot |
| CN114384536A (en) * | 2022-01-24 | 2022-04-22 | 国家高速列车青岛技术创新中心 | Digital real-time welding angular deformation measuring instrument based on laser displacement sensor and operation method thereof |
| CN114858100A (en) * | 2022-06-02 | 2022-08-05 | 河北维迪自动化技术有限公司 | Linear guide rail pair precision detection device and detection method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354243A (en) * | 2008-09-03 | 2009-01-28 | 西安理工大学 | Non-contact laser detection method of guide rail rolling angle |
| CN102840980A (en) * | 2012-09-06 | 2012-12-26 | 南京理工大学 | Comprehensive accuracy and performance testing device of rolling linear guide pair |
| CN103090759A (en) * | 2013-01-16 | 2013-05-08 | 山东赛尔机械导轨有限公司 | Detection device and detection method of straight line guide rail pair |
| CN203024970U (en) * | 2012-09-06 | 2013-06-26 | 南京理工大学 | Rolling linear guide rail pair comprehensive accuracy and performance test device |
| CN203241031U (en) * | 2012-12-07 | 2013-10-16 | 浙江师范大学 | Device measuring deflection angles and pitch angles of linear guide rail |
| CN103884270A (en) * | 2013-12-10 | 2014-06-25 | 合肥工业大学 | Device for measuring two-dimensional micro angle generated in installation of circular grating and method thereof |
| CN105486255A (en) * | 2015-12-01 | 2016-04-13 | 江苏帝业仪器科技有限公司 | Linear guide pair precision detection method |
| CN205785065U (en) * | 2016-05-24 | 2016-12-07 | 南京理工大学 | Rolling linear guide precision self-operated measuring unit |
| CN106225738A (en) * | 2016-08-10 | 2016-12-14 | 南京理工大学 | A kind of line slideway accuracy detecting device and method |
| CN106323202A (en) * | 2016-09-28 | 2017-01-11 | 西安交通大学 | Linear feed system's guide rail linearity measuring apparatus and method |
| CN206161314U (en) * | 2016-08-31 | 2017-05-10 | 北京机床所精密机电有限公司 | Rolling linear guide pair synthesizes precision dynamic measurement device |
| CN107014335A (en) * | 2017-03-22 | 2017-08-04 | 天津大学 | It is a kind of to measure the method that rolling guide system is oriented to surface error and the depth of parallelism |
-
2017
- 2017-08-29 CN CN201710754699.4A patent/CN109425310A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354243A (en) * | 2008-09-03 | 2009-01-28 | 西安理工大学 | Non-contact laser detection method of guide rail rolling angle |
| CN102840980A (en) * | 2012-09-06 | 2012-12-26 | 南京理工大学 | Comprehensive accuracy and performance testing device of rolling linear guide pair |
| CN203024970U (en) * | 2012-09-06 | 2013-06-26 | 南京理工大学 | Rolling linear guide rail pair comprehensive accuracy and performance test device |
| CN203241031U (en) * | 2012-12-07 | 2013-10-16 | 浙江师范大学 | Device measuring deflection angles and pitch angles of linear guide rail |
| CN103090759A (en) * | 2013-01-16 | 2013-05-08 | 山东赛尔机械导轨有限公司 | Detection device and detection method of straight line guide rail pair |
| CN103884270A (en) * | 2013-12-10 | 2014-06-25 | 合肥工业大学 | Device for measuring two-dimensional micro angle generated in installation of circular grating and method thereof |
| CN105486255A (en) * | 2015-12-01 | 2016-04-13 | 江苏帝业仪器科技有限公司 | Linear guide pair precision detection method |
| CN205785065U (en) * | 2016-05-24 | 2016-12-07 | 南京理工大学 | Rolling linear guide precision self-operated measuring unit |
| CN106225738A (en) * | 2016-08-10 | 2016-12-14 | 南京理工大学 | A kind of line slideway accuracy detecting device and method |
| CN206161314U (en) * | 2016-08-31 | 2017-05-10 | 北京机床所精密机电有限公司 | Rolling linear guide pair synthesizes precision dynamic measurement device |
| CN106323202A (en) * | 2016-09-28 | 2017-01-11 | 西安交通大学 | Linear feed system's guide rail linearity measuring apparatus and method |
| CN107014335A (en) * | 2017-03-22 | 2017-08-04 | 天津大学 | It is a kind of to measure the method that rolling guide system is oriented to surface error and the depth of parallelism |
Non-Patent Citations (1)
| Title |
|---|
| 徐丹 等: "滚动直线导轨副运动精度测试与分析方法研究", 《组合机床与自动化加工技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097723A (en) * | 2020-08-26 | 2020-12-18 | 宁夏共享机床辅机有限公司 | Linear rail precision detection device and detection method for seventh axis of robot |
| CN112097723B (en) * | 2020-08-26 | 2022-04-15 | 宁夏共享机床辅机有限公司 | Linear rail precision detection device and detection method for seventh axis of robot |
| CN114384536A (en) * | 2022-01-24 | 2022-04-22 | 国家高速列车青岛技术创新中心 | Digital real-time welding angular deformation measuring instrument based on laser displacement sensor and operation method thereof |
| CN114384536B (en) * | 2022-01-24 | 2024-05-31 | 国家高速列车青岛技术创新中心 | Digital real-time welding angle deformation measuring instrument based on laser displacement sensor and operation method thereof |
| CN114858100A (en) * | 2022-06-02 | 2022-08-05 | 河北维迪自动化技术有限公司 | Linear guide rail pair precision detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104165765B (en) | Acceleration performance degradation testing method for linear feeding unit | |
| CN109425310A (en) | A kind of line slideway auxiliary precision On-line Measuring Method | |
| CN107917677B (en) | Deep hole circularity real-time detection apparatus | |
| CN105716554B (en) | A kind of high-precision positioner for the measurement of straight-tooth master gear helix | |
| CN101339112A (en) | Machine tool guiding rail friction wear testing machine | |
| CN102346097A (en) | Overall performance test experimental platform for high-speed ball screw feeding system | |
| CN108519046B (en) | High-precision measuring head device for measuring linearity error | |
| CN110095280A (en) | A kind of linear rolling guide resultant wear coefficient testing method | |
| CN112525480A (en) | Supporting and resetting device for wind tunnel balance loading detection | |
| CN108490878B (en) | Abrasion rule test method for combined linear feeding unit of numerical control machine tool | |
| CN110220467A (en) | A kind of axle measuring machine | |
| CN104385058A (en) | Device and method for rapidly detecting static rigidity of numerical control machine tool | |
| CN101963483A (en) | Triaxial rotating work platform for optical element detection | |
| CN109425454A (en) | A kind of linear guide friction force and accuracy synthesis measuring device | |
| CN201259483Y (en) | Friction wear property test apparatus for machine tool guide rail | |
| CN102589467A (en) | Convex aspheric optical element surface type detection device | |
| CN105716516B (en) | The truck drive shaft device for detecting length that a kind of band has elastic component | |
| CN203003636U (en) | Adjustable polishing system for optical process | |
| CN109425453A (en) | A kind of modified linear guide friction force measuring device | |
| JP5247934B2 (en) | Stylus measuring device | |
| CN107560582A (en) | A kind of train shaft footpath automatic measurement mechanism | |
| CN203272340U (en) | High-precision inspection device for air-suspending friction-free air cylinder | |
| CN108895998B (en) | Measuring mechanism for crankshaft connecting rod neck | |
| CN216523820U (en) | Bearing channel variable curvature micro-curved surface measuring device | |
| CN110595771A (en) | Synchronous rapid measuring device and method for preload and friction force of rolling linear guide rail pair |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190305 |
|
| RJ01 | Rejection of invention patent application after publication |