CN106990753A - A kind of lathe bit shift compensation method and system based on calibrated volumes - Google Patents
A kind of lathe bit shift compensation method and system based on calibrated volumes Download PDFInfo
- Publication number
- CN106990753A CN106990753A CN201710187394.XA CN201710187394A CN106990753A CN 106990753 A CN106990753 A CN 106990753A CN 201710187394 A CN201710187394 A CN 201710187394A CN 106990753 A CN106990753 A CN 106990753A
- Authority
- CN
- China
- Prior art keywords
- kinematic axis
- volume
- displacement
- calibrated volumes
- kinematic
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/404—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses a kind of lathe bit shift compensation method and system based on calibrated volumes, it is characterised in that the described method comprises the following steps：The displacement of kinematic axis kinematic axis under different volumes during lathe works is obtained, kinematic axis volume and the Function Mapping relation of displacement is set up；Respectively in t1、t2……tnWorking time obtains kinematic axis volume during lathe work, is denoted as v1、v2、……vn, set up kinematic axis working time and volume prediction table；Obtain kinematic axis work at present time tiAnd according to tiKinematic axis is searched in the machine tool motion axle working time and volume prediction table and calculates volume vi；T between obtaining kinematic axis operationallyiMeasurement volume vi', and kinematic axis is calculated into volume viWith measurement volume vi' be compared, kinematic axis calibrated volumes v is obtained according to comparative result；The kinematic axis is compensated according to the Function Mapping Relation acquisition kinematic axis displacement of targets amount of the kinematic axis calibrated volumes v and kinematic axis volume and displacement.
Description
Technical field
The present invention relates to machine tool error compensation technique field, more particularly to a kind of lathe bit shift compensation based on calibrated volumes
Method and system.
Background technology
In the running, there is relative motion in lathe, the frictional heat such as lathe feed screw, nut seat, bearing between drive disk assembly,
So as to cause machine tool component thermal expansion, motion and the target of each kinematic axis shift, so as to cause machine tooling error.Solve
Certainly problem above is accomplished by monitoring the Volume Changes of each drive disk assembly, then according to each drive disk assembly deformation volume and change in displacement
Relativeness, calculate the shift value of lathe displacement, then compensate in digital control system, reach the mesh to lathe bit shift compensation
's.
At present, many lathes are not calibrated when volume speculates to supposition volume, if sometime because of it
His factor causes machine tool motion axle working condition to change, and brings kinematic axis to calculate volumetric errors, makes machine tool motion axial displacement
There is error in amount compensation, so that deformation can all occur in the workpiece that machine tooling comes out within this time, causes workpiece to be done over again, and wastes
Manpower and materials.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of lathe bit shift compensation based on calibrated volumes
Method and system；
A kind of lathe bit shift compensation method based on calibrated volumes proposed by the present invention, it is characterised in that methods described bag
Include following steps：
S1, the displacement for obtaining kinematic axis kinematic axis under different volumes during lathe work, and set up motion axis body
Product and the Function Mapping relation of kinematic axis displacement；
S2, respectively in t1、t2……tnWorking time obtains kinematic axis volume during lathe work, is denoted as v1、v2、……
vn, and set up machine tool motion axle working time and kinematic axis volume prediction table；
S3, acquisition kinematic axis work at present time tiAnd according to tiIn the machine tool motion axle working time and motion axis body
Kinematic axis, which is searched, in product prediction table calculates volume vi；
S4, obtain kinematic axis operationally between tiMeasurement volume vi', and kinematic axis is calculated into volume viWith measurement volume
vi' be compared, kinematic axis calibrated volumes v is obtained according to comparative result；
S5, obtained according to the Function Mapping relation of the kinematic axis calibrated volumes v and kinematic axis volume and kinematic axis displacement
Kinematic axis displacement of targets amount is taken to compensate the kinematic axis.
Wherein, in S2, the machine tool motion axle working time and kinematic axis volume prediction table are specifically included：t1For fortune
At the time of when moving axis starts displacement, tnAt the time of when reaching maximum displacement for kinematic axis, v1Kinematic axis starts volume during displacement,
vnVolume during maximum displacement is reached for kinematic axis.
Wherein, in S3, it is described acquisition kinematic axis operationally between tiMeasurement volume vi' specifically include：1≤i.
Wherein, in S4, kinematic axis is calculated into volume viWith measurement volume vi' be compared, transported according to comparative result
Moving axis calibrated volumes v, is specifically included：
Work as 0.95vi' ＜ vi＜ 1.05vi' when, obtain kinematic axis calibrated volumes v=vi；
Work as 1.05vi' ＜ vi＜ 1.1vi' when, obtain kinematic axis calibrated volumes v=0.5vi+0.5vi'；
Work as 1.1vi' ＜ viWhen, obtain kinematic axis calibrated volumes v=vi+1', wherein vi+1' for kinematic axis in ti+1Working time
Measurement volume.
Wherein, in S1, the kinematic axis volume and the Function Mapping relation of kinematic axis displacement are specifically included：It is described
Function Mapping relation is divided into multistage interval, and each interval interior kinematic axis volume has different proportion coefficient with kinematic axis displacement；
Preferably, in S5, according to the kinematic axis calibrated volumes v and kinematic axis volume and the function of kinematic axis displacement
Mapping relations obtain kinematic axis displacement of targets amount, specifically include；Function Mapping relation is interval where judging kinematic axis calibrated volumes v
And corresponding proportionality coefficient is obtained, and kinematic axis displacement of targets amount is obtained according to the proportionality coefficient.
A kind of lathe bit shift compensation system based on calibrated volumes, it is characterised in that including：
Mapping relations module, the displacement for obtaining kinematic axis kinematic axis under different volumes during lathe works,
And set up the Function Mapping relation of kinematic axis volume and kinematic axis displacement；
Prediction table module, for respectively in t1、t2……tnWorking time obtains kinematic axis volume during lathe work,
It is denoted as v1、v2、……vn, and set up machine tool motion axle working time and kinematic axis volume prediction table；
Volume calculates module, for obtaining kinematic axis work at present time tiAnd according to tiIn machine tool motion axle work
Kinematic axis is searched in time and kinematic axis volume prediction table and calculates volume vi；
Volume calibration module, for obtaining kinematic axis operationally between tiMeasurement volume vi', and kinematic axis is calculated into body
Product viWith measurement volume vi' be compared, kinematic axis calibrated volumes v is obtained according to comparative result；
Displacement compensating module, for according to the kinematic axis calibrated volumes v and kinematic axis volume and kinematic axis displacement
Function Mapping Relation acquisition kinematic axis displacement of targets amount the kinematic axis is compensated.
Wherein, the prediction table module, specifically for：t1At the time of when starting displacement for kinematic axis, tnReached for kinematic axis
At the time of during maximum displacement, v1Kinematic axis starts volume during displacement, vnVolume during maximum displacement is reached for kinematic axis.
Wherein, the volume calculates module, specifically for：T between obtaining kinematic axis operationallyiMeasurement volume vi', its
In 1≤i.
Wherein, the volume calibration module, specifically for：
Work as 0.95vi' ＜ vi＜ 1.05vi' when, obtain kinematic axis calibrated volumes v=vi；
Work as 1.05vi' ＜ vi＜ 1.1vi' when, obtain kinematic axis calibrated volumes v=0.5vi+0.5vi'；
Work as 1.1vi' ＜ viWhen, obtain kinematic axis calibrated volumes v=vi+1', wherein vi+1' for kinematic axis in ti+1Working time
Measurement volume.
Wherein, the mapping relations module, specifically for：The Function Mapping relation is divided into multistage interval, each interval
Interior kinematic axis volume has different proportion coefficient with kinematic axis displacement；
Preferably, the displacement compensating module, specifically for：Function Mapping is closed where judging kinematic axis calibrated volumes v
System is interval and obtains corresponding proportionality coefficient, and obtains kinematic axis displacement of targets amount according to the proportionality coefficient.
Function Mapping relation of the invention by setting up kinematic axis volume and kinematic axis displacement, while setting up machine tool motion
Axle working time and kinematic axis volume prediction table, by obtaining the lathe work at present time, search motion in the prediction table
Axle calculates volume, and obtains current time kinematic axis measurement volume, and comparing motion axle calculates that volume and kinematic axis measurement volume are big
It is small, prevent from sometime because other factors cause machine tool motion axle working condition to change, bringing kinematic axis to calculate body
Product error, makes the compensation of machine tool motion axial displacement amount error occur, so that the workpiece that secondary lathe is processed within the time period
Deform upon, it is ensured that kinematic axis calculates the reckoning accuracy of volume, improves machine finish and the degree of accuracy, and reduce it
The workpiece rework cost that error band comes caused by his factor.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the lathe bit shift compensation method based on calibrated volumes proposed by the present invention；
Fig. 2 is a kind of module diagram of the lathe bit shift compensation system based on calibrated volumes proposed by the present invention.
Embodiment
As shown in figure 1, Fig. 1 is a kind of flow of the lathe bit shift compensation method based on calibrated volumes proposed by the present invention
Figure；
A kind of reference picture 1, lathe bit shift compensation method based on calibrated volumes, this method comprises the following steps：
Step S1, obtains the displacement of kinematic axis kinematic axis under different volumes during lathe work, and sets up motion
Axis body accumulates the Function Mapping relation with kinematic axis displacement；
In this step, the kinematic axis volume and the Function Mapping relation of kinematic axis displacement, are specifically included：The letter
Number mapping relations are divided into multistage interval, and each interval interior kinematic axis volume has different proportion coefficient with kinematic axis displacement；
In the present embodiment, filled by pre-installing volume detection device on the lathe of same model, and being detected by volume
Put obtain lathe work during kinematic axis volume and the volume when kinematic axis displacement, further according to kinematic axis volume and
The corresponding relation of kinematic axis displacement, sets up the Function Mapping relation of volume and kinematic axis displacement, so only needs to obtain institute
State volume at a time during lathe works, you can pass through the displacement that the function model calculates current kinetic axle.
Step S2, respectively in t1、t2……tnWorking time obtains kinematic axis volume during lathe work, is denoted as v1、
v2、……vn, and set up machine tool motion axle working time and kinematic axis volume prediction table；
In this step, the machine tool motion axle working time and kinematic axis volume prediction table, are specifically included：t1For motion
At the time of when axle starts displacement, tnAt the time of when reaching maximum displacement for kinematic axis, v1Kinematic axis starts volume during displacement, vn
Volume during maximum displacement is reached for kinematic axis；
In the present embodiment, t1At the time of moment is when kinematic axis starts displacement, now v1When starting displacement for kinematic axis
Volume；tnAt the time of when reaching maximum displacement for kinematic axis, now vnVolume during maximum displacement is reached for kinematic axis, works as fortune
The moving axis work at present time is less than t1When, judge that kinematic axis does not have displacement, without being compensated to kinematic axis, when kinematic axis is current
Working time is more than tnWhen, judge that kinematic axis reaches maximum displacement value, maximum displacement compensation now is carried out to kinematic axis.
Step S3, obtains kinematic axis work at present time tiAnd according to tiIn the machine tool motion axle working time and motion
Kinematic axis, which is searched, in axis body product prediction table calculates volume vi；
In this step, it is described acquisition kinematic axis operationally between tiMeasurement volume vi' specifically include：1≤i.
In the present embodiment, the lathe work at present time is obtained by lathe PMC systems.
Step S4, obtain kinematic axis operationally between tiMeasurement volume vi', and kinematic axis is calculated into volume viWith measurement
Volume vi' be compared, kinematic axis calibrated volumes v is obtained according to comparative result；
In this step, kinematic axis is calculated into volume viWith measurement volume vi' be compared, transported according to comparative result
Moving axis calibrated volumes v, is specifically included：
Work as 0.95vi' ＜ vi＜ 1.05vi' when, obtain kinematic axis calibrated volumes v=vi；
Work as 1.05vi' ＜ vi＜ 1.1vi' when, obtain kinematic axis calibrated volumes v=0.5vi+0.5vi'；
Work as 1.1vi' ＜ viWhen, obtain kinematic axis calibrated volumes v=vi+1', wherein vi+1' for kinematic axis in ti+1Working time
Measurement volume.
In the present embodiment, 0.95v is worked asi' ＜ vi＜ 1.05vi' when, judge to calculate volume viIn error range, choosing
Select viIt is used as calibrated volumes v；Work as 1.05vi' ＜ vi＜ 1.1vi' when, judge to calculate volume viBiased error scope 10%, selection is pushed away
Calculate volume viWith measurement volume vi' average value be used as calibrated volumes v；Work as 1.1vi' ＜ viWhen, judge to calculate volume viDeviate super
Cross error range 10%, selection measurement volume vi+1' it is used as calibrated volumes v；So, it is ensured that calculate the accuracy of volume.
Step S5, is closed according to the kinematic axis calibrated volumes v and kinematic axis volume and the Function Mapping of kinematic axis displacement
System obtains kinematic axis displacement of targets amount and the kinematic axis is compensated；
In this step, Function Mapping relation where judging kinematic axis calibrated volumes v is interval and obtains corresponding ratio system
Number, and kinematic axis displacement of targets amount is obtained according to the proportionality coefficient.
In the present embodiment, by kinematic axis calibrated volumes v, Function Mapping is closed where judging kinematic axis calibrated volumes v
System is interval and obtains corresponding proportionality coefficient, and the proportionality coefficient is multiplied with kinematic axis calibrated volumes v and obtains kinematic axis target
Displacement, and the kinematic axis is compensated.
Show as shown in Fig. 2 Fig. 2 is a kind of module of the lathe bit shift compensation system based on calibrated volumes proposed by the present invention
It is intended to；
Reference picture 2, a kind of lathe bit shift compensation system based on calibrated volumes, including：
Mapping relations module, the displacement for obtaining kinematic axis kinematic axis under different volumes during lathe works,
And set up the Function Mapping relation of kinematic axis volume and kinematic axis displacement；
Mapping relations module, specifically for：The Function Mapping relation is divided into multistage interval, each interval interior motion axis body
Product has different proportion coefficient with kinematic axis displacement；
In the present embodiment, filled by pre-installing volume detection device on the lathe of same model, and being detected by volume
Put obtain lathe work during kinematic axis volume and the volume when kinematic axis displacement, further according to kinematic axis volume and
The corresponding relation of kinematic axis displacement, sets up the Function Mapping relation of volume and kinematic axis displacement, so only needs to obtain institute
State volume at a time during lathe works, you can pass through the displacement that the function model calculates current kinetic axle.
Prediction table module, for respectively in t1、t2……tnWorking time obtains kinematic axis volume during lathe work,
It is denoted as v1、v2、……vn, and set up machine tool motion axle working time and kinematic axis volume prediction table；
Prediction table module, specifically for：t1At the time of when starting displacement for kinematic axis, tnMaximum displacement is reached for kinematic axis
When at the time of, v1Kinematic axis starts volume during displacement, vnVolume during maximum displacement is reached for kinematic axis.
In the present embodiment, t1At the time of moment is when kinematic axis starts displacement, now v1When starting displacement for kinematic axis
Volume；tnAt the time of when reaching maximum displacement for kinematic axis, now vnVolume during maximum displacement is reached for kinematic axis, works as fortune
The moving axis work at present time is less than t1When, judge that kinematic axis does not have displacement, without being compensated to kinematic axis, when kinematic axis is current
Working time is more than tnWhen, judge that kinematic axis reaches maximum displacement value, maximum displacement compensation now is carried out to kinematic axis.
Volume calculates module, for obtaining kinematic axis work at present time tiAnd according to tiIn machine tool motion axle work
Kinematic axis is searched in time and kinematic axis volume prediction table and calculates volume vi；
Volume calculates module, specifically for：T between obtaining kinematic axis operationallyiMeasurement volume vi', wherein 1≤i.
In the present embodiment, the lathe work at present time is obtained by lathe PMC systems.
Volume calibration module, for obtaining kinematic axis operationally between tiMeasurement volume vi', and kinematic axis is calculated into body
Product viWith measurement volume vi' be compared, kinematic axis calibrated volumes v is obtained according to comparative result；
Volume calibration module, specifically for：
Work as 0.95vi' ＜ vi＜ 1.05vi' when, obtain kinematic axis calibrated volumes v=vi；
Work as 1.05vi' ＜ vi＜ 1.1vi' when, obtain kinematic axis calibrated volumes v=0.5vi+0.5vi'；
Work as 1.1vi' ＜ viWhen, obtain kinematic axis calibrated volumes v=vi+1', wherein vi+1' for kinematic axis in ti+1Working time
Measurement volume.
In the present embodiment, 0.95v is worked asi' ＜ vi＜ 1.05vi' when, judge to calculate volume viIn error range, choosing
Select viIt is used as calibrated volumes v；Work as 1.05vi' ＜ vi＜ 1.1vi' when, judge to calculate volume viBiased error scope 10%, selection is pushed away
Calculate volume viWith measurement volume vi' average value be used as calibrated volumes v；Work as 1.1vi' ＜ viWhen, judge to calculate volume viDeviate super
Cross error range 10%, selection measurement volume vi+1' it is used as calibrated volumes v；So, it is ensured that calculate the accuracy of volume.
Displacement compensating module, for according to the kinematic axis calibrated volumes v and kinematic axis volume and kinematic axis displacement
Function Mapping Relation acquisition kinematic axis displacement of targets amount the kinematic axis is compensated；
Displacement compensating module, specifically for：Function Mapping relation is interval where judging kinematic axis calibrated volumes v and obtains
Corresponding proportionality coefficient, and kinematic axis displacement of targets amount is obtained according to the proportionality coefficient；
In the present embodiment, by kinematic axis calibrated volumes v, Function Mapping is closed where judging kinematic axis calibrated volumes v
System is interval and obtains corresponding proportionality coefficient, and the proportionality coefficient is multiplied with kinematic axis calibrated volumes v and obtains kinematic axis target
Displacement, and the kinematic axis is compensated.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of lathe bit shift compensation method based on calibrated volumes, it is characterised in that the described method comprises the following steps：
S1, obtain lathe work during kinematic axis kinematic axis under different volumes displacement, and set up kinematic axis volume with
The Function Mapping relation of kinematic axis displacement；
S2, respectively in t1、t2……tnWorking time obtains kinematic axis volume during lathe work, is denoted as v1、v2、……vn,
And set up machine tool motion axle working time and kinematic axis volume prediction table；
S3, acquisition kinematic axis work at present time tiAnd according to tiPushed away in the machine tool motion axle working time and kinematic axis volume
Calculate and kinematic axis reckoning volume v is searched in tablei；
S4, obtain kinematic axis operationally between tiMeasurement volume vi', and kinematic axis is calculated into volume viWith measurement volume vi' enter
Row compares, and kinematic axis calibrated volumes v is obtained according to comparative result；
S5, according to the Function Mapping Relation acquisition of the kinematic axis calibrated volumes v and kinematic axis volume and kinematic axis displacement transport
Moving axis displacement of targets amount is compensated to the kinematic axis.
2. the lathe bit shift compensation method according to claim 1 based on calibrated volumes, it is characterised in that in S2, institute
Machine tool motion axle working time and kinematic axis volume prediction table are stated, is specifically included：t1At the time of when starting displacement for kinematic axis, tn
At the time of when reaching maximum displacement for kinematic axis, v1Kinematic axis starts volume during displacement, vnWhen reaching maximum displacement for kinematic axis
Volume.
3. the lathe bit shift compensation method according to claim 1 based on calibrated volumes, it is characterised in that in S3, institute
T between stating acquisition kinematic axis operationallyiMeasurement volume vi' specifically include：1≤i.
4. the lathe bit shift compensation method according to claim 1 based on calibrated volumes, it is characterised in that in S4, will
Kinematic axis calculates volume viWith measurement volume vi' be compared, kinematic axis calibrated volumes v is obtained according to comparative result, specific bag
Include：
Work as 0.95vi' ＜ vi＜ 1.05vi' when, obtain kinematic axis calibrated volumes v=vi；
Work as 1.05vi' ＜ vi＜ 1.1vi' when, obtain kinematic axis calibrated volumes v=0.5vi+0.5vi'；
Work as 1.1vi' ＜ viWhen, obtain kinematic axis calibrated volumes v=vi+1', wherein vi+1' for kinematic axis in ti+1The survey of working time
Measure volume.
5. the lathe bit shift compensation method according to claim 1 based on calibrated volumes, it is characterised in that in S1, institute
The Function Mapping relation of kinematic axis volume and kinematic axis displacement is stated, is specifically included：The Function Mapping relation is divided into multistage area
Between, each interval interior kinematic axis volume has different proportion coefficient with kinematic axis displacement；
Preferably, in S5, according to the kinematic axis calibrated volumes v and kinematic axis volume and the Function Mapping of kinematic axis displacement
Relation acquisition kinematic axis displacement of targets amount, is specifically included；Function Mapping relation is interval where judging kinematic axis calibrated volumes v and obtains
Corresponding proportionality coefficient is taken, and kinematic axis displacement of targets amount is obtained according to the proportionality coefficient.
6. a kind of lathe bit shift compensation system based on calibrated volumes, it is characterised in that including：
Mapping relations module, for obtaining the displacement of kinematic axis kinematic axis under different volumes during lathe works, and builds
Vertical kinematic axis volume and the Function Mapping relation of kinematic axis displacement；
Prediction table module, for respectively in t1、t2……tnWorking time obtains kinematic axis volume during lathe work, is denoted as
v1、v2、……vn, and set up machine tool motion axle working time and kinematic axis volume prediction table；
Volume calculates module, for obtaining kinematic axis work at present time tiAnd according to tiIn the machine tool motion axle working time
Volume v is calculated with kinematic axis is searched in kinematic axis volume prediction tablei；
Volume calibration module, for obtaining kinematic axis operationally between tiMeasurement volume vi', and kinematic axis is calculated into volume vi
With measurement volume vi' be compared, kinematic axis calibrated volumes v is obtained according to comparative result；
Displacement compensating module, for according to the kinematic axis calibrated volumes v and kinematic axis volume and the letter of kinematic axis displacement
Number mapping relations obtain kinematic axis displacement of targets amount and the kinematic axis are compensated.
7. the lathe bit shift compensation system according to claim 6 based on calibrated volumes, it is characterised in that the prediction table
Module, specifically for：t1At the time of when starting displacement for kinematic axis, tnAt the time of when reaching maximum displacement for kinematic axis, v1Motion
Axle starts volume during displacement, vnVolume during maximum displacement is reached for kinematic axis.
8. the lathe bit shift compensation system according to claim 6 based on calibrated volumes, it is characterised in that the volume is pushed away
Module is calculated, specifically for：T between obtaining kinematic axis operationallyiMeasurement volume vi', wherein 1≤i.
9. the lathe bit shift compensation system according to claim 6 based on calibrated volumes, it is characterised in that the volume school
Quasi-mode block, specifically for：
Work as 0.95vi' ＜ vi＜ 1.05vi' when, obtain kinematic axis calibrated volumes v=vi；
Work as 1.05vi' ＜ vi＜ 1.1vi' when, obtain kinematic axis calibrated volumes v=0.5vi+0.5vi'；
Work as 1.1vi' ＜ viWhen, obtain kinematic axis calibrated volumes v=vi+1', wherein vi+1' for kinematic axis in ti+1The survey of working time
Measure volume.
10. the lathe bit shift compensation system according to claim 6 based on calibrated volumes, it is characterised in that the mapping
Relationship module, specifically for：The Function Mapping relation is divided into multistage interval, and each interval interior kinematic axis volume is with moving axle position
Shifting amount has different proportion coefficient；
Preferably, the displacement compensating module, specifically for：Function Mapping relation area where judging kinematic axis calibrated volumes v
Between and obtain corresponding proportionality coefficient, and kinematic axis displacement of targets amount is obtained according to the proportionality coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187394.XA CN106990753B (en) | 2017-03-27 | 2017-03-27 | Machine tool displacement compensation method and system based on calibration volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187394.XA CN106990753B (en) | 2017-03-27 | 2017-03-27 | Machine tool displacement compensation method and system based on calibration volume |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106990753A true CN106990753A (en) | 2017-07-28 |
| CN106990753B CN106990753B (en) | 2019-12-31 |
Family
ID=59413374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710187394.XA Expired - Fee Related CN106990753B (en) | 2017-03-27 | 2017-03-27 | Machine tool displacement compensation method and system based on calibration volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106990753B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374502A (en) * | 2001-03-05 | 2002-10-16 | 株式会社三丰 | Position measuring apparats and working equipment utilizing the same apparatus |
| CN101337330A (en) * | 2008-08-01 | 2009-01-07 | 东南大学 | Compensation process capable of increasing machine precision of numerical-controlled lathe and magnetic striction compensation mechanism |
| CN104460513A (en) * | 2013-09-24 | 2015-03-25 | 山东理工大学 | Volume error compensation device for two-turntable five-axis machine tool |
| CN104977897A (en) * | 2014-04-04 | 2015-10-14 | 山东理工大学 | Numerical control machine tool space error compensation device |
| CN105892401A (en) * | 2016-04-18 | 2016-08-24 | 安徽省捷甬达智能机器有限公司 | Machine tool motion compensation method based on temperature differences |
-
2017
- 2017-03-27 CN CN201710187394.XA patent/CN106990753B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374502A (en) * | 2001-03-05 | 2002-10-16 | 株式会社三丰 | Position measuring apparats and working equipment utilizing the same apparatus |
| CN101337330A (en) * | 2008-08-01 | 2009-01-07 | 东南大学 | Compensation process capable of increasing machine precision of numerical-controlled lathe and magnetic striction compensation mechanism |
| CN104460513A (en) * | 2013-09-24 | 2015-03-25 | 山东理工大学 | Volume error compensation device for two-turntable five-axis machine tool |
| CN104977897A (en) * | 2014-04-04 | 2015-10-14 | 山东理工大学 | Numerical control machine tool space error compensation device |
| CN105892401A (en) * | 2016-04-18 | 2016-08-24 | 安徽省捷甬达智能机器有限公司 | Machine tool motion compensation method based on temperature differences |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106990753B (en) | 2019-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9983564B2 (en) | Thermal displacement correcting apparatus and method for a machine tool | |
| CN100436049C (en) | Method and apparatus for correcting thermal displacement of machine tool | |
| DE102019201967A1 (en) | Accuracy diagnosis device for machine tools | |
| CN1126307A (en) | Model predictive control method for an air-seperation system | |
| US20130320908A1 (en) | Servo controller having function for correcting amount of expansion/contraction of ball screw | |
| US11340614B2 (en) | Robot and method and apparatus of controlling movement of transport robot | |
| CN105798695B (en) | A kind of lathe temperature rise compensation method | |
| CN105339227A (en) | Integrated bank and roll estimation using a three-axis inertial-measuring device | |
| CN109514040B (en) | Welding gun tracking method and crawling welding robot | |
| US20080141836A1 (en) | Machining apparatus for noncircular shapes | |
| CN104678890A (en) | Machining workshop workpiece energy consumption quota formulation method | |
| CN106990753A (en) | A kind of lathe bit shift compensation method and system based on calibrated volumes | |
| WO2020217571A1 (en) | Fluctuation amount estimation device in machine tool and correction amount calculation device | |
| CN106990755A (en) | A kind of lathe bit shift compensation system and method based on deformation volume | |
| US20160077121A1 (en) | Apparatus and method for measuring speed of mdps drive motor | |
| CN107615195B (en) | Method for tapping threaded hole, numerical control machine tool and numerical control machining device | |
| CN111693125B (en) | Method and system for calculating length of weighing platform of high-precision dynamic weighing equipment | |
| CN112828682B (en) | Error measurement method for machine tool and machine tool | |
| EP1898288B1 (en) | Position determination device for an automated guided vehicle | |
| US20200159184A1 (en) | Parameter setting device, system, and parameter setting method | |
| CN106944876A (en) | A kind of lathe bit shift compensation method and system based on the working time | |
| CN109085865B (en) | Temperature control method and device for equipment, storage medium and control system | |
| CN108431704A (en) | The determination of the rigidity of the power train of machine, particularly lathe or production machine | |
| CN106224477B (en) | Double compensation formula ball-screw mobile system | |
| CN105867302A (en) | Numerically-controlled machine tool temperature compensation system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |