CN108614519A - One kind being based on the online error measuring system of laser dot-matrix numerically-controlled machine tool and method - Google Patents
One kind being based on the online error measuring system of laser dot-matrix numerically-controlled machine tool and method Download PDFInfo
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- CN108614519A CN108614519A CN201810359992.5A CN201810359992A CN108614519A CN 108614519 A CN108614519 A CN 108614519A CN 201810359992 A CN201810359992 A CN 201810359992A CN 108614519 A CN108614519 A CN 108614519A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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- 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
- G05B19/401—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 measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
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Abstract
One kind being based on the online error measuring system of laser dot-matrix numerically-controlled machine tool and method; using the method for the present invention may be implemented numerically-controlled machine tool is unmanned, do not shut down, in real time, efficient error-detecting; foundation is provided for structure numerical control error real-time intelligent compensation; this method can realize that numerically-controlled machine tool is unmanned, not shut down, in real time, efficient error-detecting; and having many advantages, such as high sensitivity, easy to operate, accuracy is high.
Description
Technical field
The invention belongs to NC Machine Error field of measuring technique, and in particular to one kind being based on laser dot-matrix numerically-controlled machine tool
Online error measuring system and method.
Background technology
The cutting edge technologies such as numerically-controlled machine tool is a kind of collection computer, automatically control, Precision measurement, information and advanced manufacture are
The equipment of one, is basis and the important equipment of relationship national economy and national defense safety of the modernization of industry.And numerical control machine
Bed is exactly the machine-tool that equipment manufacture realizes intelligent manufacturing, therefore only accelerates development intelligent numerical control machine tool in China,
Realization Chinese style intelligence manufacture that could as early as possible.
Realize that intelligent numerical control machine tool, first element are exactly to utilize machine to substitute worker as far as possible to realize operation, simultaneously
It is required that machine is than manually making more efficient, machining accuracy higher.In order to realize the purpose, numerical control machine tool technique research will use up
It may realize and original necessary manual operation is changed into Machine automated, intellectualized operation.In numerically-controlled machine tool Intelligent improvement
In field, Numerical Control Machine Tool Machining Error intelligence compensation is an important subject.Existing error compensation is all first profit
Model is generated with numerically-controlled machine tool longtime running data structure error, error compensation model is established further according to Error Module Analysis, leads to
It crosses superposition feedback compensation mode and realizes raising numerically-controlled machine tool machining accuracy and stability.And in these error compensation procedures, error
Accurate measurement of the structure of model dependent on machine tool error.Currently used machine tool error measurement method have laser interferometer method,
Double gauge ball methods, plane grating method etc..However these methods generally require to implement error survey after shutting down to install measuring apparatus
Amount, and largely operation needs to be accomplished manually measurement process.
Invention content
For the above-mentioned the deficiencies in the prior art of customer service, the object of the present invention is to provide one kind being based on laser dot-matrix numerical control machine
The online error measuring system of bed and method, using the method for the present invention may be implemented numerically-controlled machine tool is unmanned, do not shut down, in real time,
Efficient error-detecting provides foundation for structure numerical control error real-time intelligent compensation, this method can realize numerically-controlled machine tool nobody
Change, do not shut down, in real time, efficient error-detecting, and have many advantages, such as high sensitivity, easy to operate, accuracy is high.
To achieve the goals above, the technical solution of the present invention just is：
One kind being based on the online error measuring system of laser dot-matrix numerically-controlled machine tool and method, including numerically-controlled machine tool, laser dot-matrix
Generating means, grid location plate, industrial camera, computer, laser dot-matrix generating means is by handle of a knife, generating device of laser, grating
It is formed with grating fixing device, laser dot-matrix generating means can be placed in numerically-controlled machine tool to disk, and grid location plate is fixed on numerical control
In the processing plane of lathe, industrial camera is fixed on numerically-controlled machine tool, and angle lens guarantee accurately comprehensively to take
Grid location plate, computer connect the digital control system of industrial camera and numerically-controlled machine tool.
The grating can convert the single beam that laser generator generates to 3 × 3 evenly arranged nine beams optical arrays,
Wherein often row's outermost two-beam is mutually into θ angle.
The grid location plate is diffusing reflection fine grid blocks plate.
The grid location plate is useful for the dot battle array of Calibration of Laser facula position, between two neighboring dot away from
From being m times of the integer of X, Y-axis moving step length, while Z axis being allow to move nine hot spots and intermediate range after Integer n times step-length
Nine slightly larger dots overlap.
A kind of online error measurement method of three axis numerically controlled machine based on laser dot-matrix is, it can be achieved that numerically-controlled machine tool positioning misses
Difference and the online error measure of movement, include the following steps：
The first step, calibration：
Setting numerical control program changes to laser dot-matrix generating means on main shaft, makes laser dot-matrix by numerical control programming
Device is moved to above grid location plate, and industrial camera is continuously shot, and the position of nine beam laser is determined by Computing,
Again by running tracing program, motion of main shaft is constantly controlled and by industrial camera image feedback, final realization nine beam laser production
Nine dots in raw hot spot whole snap grid positioning plate center；
Second step, kinematic error measure：
Three axis numerically controlled machine process is substantially carried out the movement of tri- reference axis of X, Y, Z, is transported along each change in coordinate axis direction
It is dynamic all to generate 6 kinds of errors, i.e. X-axis straight line error, Y-axis straight line error, Z axis straight line error, X-axis angular errors, Y-axis corner
Error, Z axis angular errors, that is to say, that three axis numerically controlled machine processing, which amounts to, will measure 18 kinds of errors, below with regard to 18 kinds of errors
Measurement method is described：
1) X, Y direction straight line error when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means sends out laser beam and hot spot and grid is presented on grid location plate first when measurement
Nine intermediate dots overlap on positioning plate, are defined as starting point at this time, then the laser dot-matrix on setting program control main shaft
Generating means is moved to specific point along X, Y-axis by starting point, and terminal laser dot-matrix generating means is ideally moved in guarantee
Nine dots (X, Y axis) or center that intermediate nine dots are neighbouring on hot spot and grid location plate are presented on grid location plate
Nine dots of slightly larger range overlap (Z axis), i.e., move m step-length along X, Y-axis, or move n step-length along Z axis, if in the presence of
X, Y direction straight line error, then its it is practical it is mobile after facula position and facula position ideally have deviation.Lathe
X, the long straight line error of Y direction single step can be by formula when being moved along X, Y, Z axis
It calculates and obtains；
2) Z axis straight line error when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means sends out laser beam and hot spot and grid is presented on grid location plate first when measurement
Nine intermediate dots overlap on positioning plate, are defined as starting point at this time, then the laser dot-matrix on setting program control main shaft
Generating means is moved to specific point along X, Y, Z axis by starting point, and guarantee is ideally moved terminal laser dot-matrix and filled
Set presented on grid location plate nine dots in centre are neighbouring on hot spot and grid location plate nine dots (X, Y-axis) or in
It entreats nine dots of slightly larger range to overlap (Z axis), i.e., m step-length is moved along X, Y-axis, or n step-length is moved along Z axis, if depositing
In Z-direction straight line error, then its it is practical it is mobile after facula position and facula position ideally have deviation, lathe
The long straight line error of Z-direction single step can be by formula when being moved along X, Y, Z axis
It calculates and obtains；
3) X, Y-axis angular errors when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means sends out laser beam and hot spot and grid is presented on grid location plate first when measurement
Nine intermediate dots overlap on positioning plate, are defined as starting point at this time, then the laser dot-matrix on setting program control main shaft
Generating means is moved to specific point along X, Y, Z axis by starting point, and guarantee is ideally moved terminal laser dot-matrix and filled
Set presented on grid location plate nine dots in centre are neighbouring on hot spot and grid location plate nine dots (X, Y-axis) or in
It entreats nine dots of slightly larger range to overlap (Z axis), i.e., m step-length is moved along X, Y-axis, or n step-length is moved along Z axis, if depositing
In X-axis angular errors, then its it is practical it is mobile after facula position and facula position ideally have a deviation, lathe along X,
Y, the long angular errors of X-direction single step can be by formula when Z axis moves
It calculates and obtains, if there are X-axis angular errors, facula position and hot spot ideally after practical movement
Position has the deviation being rotated by 90 °, and the long angular errors of Y direction single step and lathe are along X, Y, Z when lathe is moved along X, Y, Z axis
The long angular errors Computing Principle of X-direction single step is similar when axis moves；
4) Z axis angular errors when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means sends out laser beam and hot spot and grid is presented on grid location plate first when measurement
Nine intermediate dots overlap on positioning plate, are defined as starting point at this time, then the laser dot-matrix on setting program control main shaft
Generating means is moved to specific point along X, Y, Z axis by starting point, and guarantee is ideally moved terminal laser dot-matrix and filled
Set presented on grid location plate nine dots in centre are neighbouring on hot spot and grid location plate nine dots (X, Y-axis) or in
It entreats nine dots of slightly larger range to overlap (Z axis), i.e., m step-length is moved along X, Y-axis, or n step-length is moved along Z axis, if depositing
In Z axis angular errors, then its it is practical it is mobile after facula position and facula position ideally have a deviation, lathe along X,
Y, the long angular errors of Z-direction single step can be by formula when Z axis moves
It calculates and obtains.
Beneficial effects of the present invention are：
Present approach provides a kind of online error measuring system of three axis numerically controlled machine based on laser dot-matrix and measurements
Method, this method can realize that numerically-controlled machine tool is unmanned, not shut down, in real time, efficient error-detecting, and with high sensitivity, operation
The advantages that simplicity, accuracy is high.
Description of the drawings
Fig. 1 is the online error testing system and device figure of numerically-controlled machine tool based on laser dot-matrix.
Fig. 2 is laser dot-matrix generating means figure.
Fig. 3 is grid location plate schematic diagram.
The deviation schematic diagram of X when Fig. 4 is moved along X, Y, Z axis, Y direction straight line error.
The deviation schematic diagram of Z-direction straight line error when Fig. 5 is moved along X, Y, Z axis.
The deviation schematic diagram of X, Y-axis angular errors when Fig. 6 is moved along X, Y, Z axis.
The deviation schematic diagram of Z axis angular errors when Fig. 7 is moved along X, Y, Z axis.
Specific implementation mode
Narration in detail is made to the present invention below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of online error testing system of three axis numerically controlled machine based on laser dot-matrix includes numerically-controlled machine tool
1, laser dot-matrix generating means 2, grid location plate 3, industrial camera 4, computer 5.
As shown in Fig. 2, laser dot-matrix generating means 2 is consolidated by handle of a knife 2-1, generating device of laser 2-2, grating 2-3 and grating
Determine device 2-4 compositions, wherein grating can convert the single beam that laser generator generates to 3 × 3 evenly arranged nine beams light battle arrays
Row, wherein often row's outermost two-beam is mutually into θ angle.Laser dot-matrix generating means 2 is similar with universal cutter, can be placed in numerical control machine
Tool changing device is carried in bed to disk by numerically-controlled machine tool to change on main shaft.
As shown in figure 3, grid location plate 3 is diffusing reflection fine grid blocks plate, Calibration of Laser hot spot position is useful on waffle slab
The dot battle array set.The distance between two neighboring dot is m times of the integer of X, Y-axis moving step length, while Z axis being made to move Integer n
Nine dots that nine hot spots can be slightly larger with intermediate range after times step-length overlap.
Laser dot-matrix generating means 2 is similar with universal cutter, can be placed in included by numerically-controlled machine tool in numerically-controlled machine tool to disk
Tool changing device is changed on main shaft, and grid location plate 3 is fixed on the specific position in the processing plane of numerically-controlled machine tool 1, industrial phase
Machine 4 is fixed on numerically-controlled machine tool 1, and angle lens guarantee accurately comprehensively to take grid location plate 3, and computer 5 connects industry
The digital control system of camera 4 and numerically-controlled machine tool 1, the figure that computer 5 can be shot according to certain frequency collection industrial camera 4
Picture, and image is handled by program, characteristic point position is obtained, carries out algorithm operation, and result can be fed back to numerical control
The digital control system of lathe 1 is compensated for NC Machine Error real-time intelligent.
A kind of online error measurement method of three axis numerically controlled machine based on laser dot-matrix is, it can be achieved that numerically-controlled machine tool positioning misses
Difference and the online error measure of movement, include the following steps：
The first step, calibration：
Setting numerical control program changes to laser dot-matrix generating means 2 on main shaft, makes laser dot-matrix by numerical control programming
Device 2 is moved to 3 top of grid location plate, and industrial camera 4 is continuously shot, and the position of nine beam laser is determined by 5 operation of computer
It sets, then by running tracing program, constantly controls motion of main shaft and by 4 image feedback of industrial camera, nine beams of final realization swash
Nine dots in 3 center of hot spot whole snap grid positioning plate that light generates；
Second step, kinematic error measure：
Three axis numerically controlled machine process is substantially carried out the movement of tri- reference axis of X, Y, Z, is transported along each change in coordinate axis direction
It is dynamic all to generate 6 kinds of errors (X-axis straight line error, Y-axis straight line error, Z axis straight line error, X-axis angular errors, Y-axis corner mistake
Difference, Z axis angular errors), that is to say, that three axis numerically controlled machine processing, which amounts to, will measure 18 kinds of errors.18 kinds of errors are surveyed below
Amount method is described.
1) X, Y direction straight line error when being moved along X, Y, Z axis
Adjustment laser dot-matrix generating means 2 sends out laser beam and hot spot and net is presented on grid location plate 3 first when measurement
Nine intermediate dots overlap on lattice positioning plate 3, are defined as starting point at this time.Then the laser on setting program control main shaft
Dot matrix generating means 2 is moved to specific point along X, Y-axis by starting point, and terminal laser point paroxysm is ideally moved in guarantee
Nine dots (X, Y that intermediate nine dots are neighbouring on hot spot and grid location plate 3 are presented in generating apparatus 2 on grid location plate 3
Axis) or nine dots coincidences (Z axis) of the slightly larger range in center, i.e., m step-length is moved along X, Y axis, or n step is moved along Z axis
It is long.If there are X, Y direction straight line error, facula position has with facula position ideally after practical movement
Deviation as shown in Figure 4.X, the long straight line error of Y direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains.
2) Z axis straight line error when being moved along X, Y, Z axis
Adjustment laser dot-matrix generating means 2 sends out laser beam and hot spot and net is presented on grid location plate 3 first when measurement
Nine intermediate dots overlap on lattice positioning plate 3, are defined as starting point at this time.Then the laser on setting program control main shaft
Dot matrix generating means 2 is moved to specific point along X, Y, Z axis by starting point, and terminal laser dot-matrix is ideally moved in guarantee
Generating means 2 presented on grid location plate 3 on hot spot and grid location plate 3 nine neighbouring dots of intermediate nine dots (X,
Y-axis) or nine dots coincidences (Z axis) of the slightly larger range in center, i.e., m step-length is moved along X, Y-axis, or n are moved along Z axis
Step-length.If there are Z-direction straight line error, facula position has with facula position ideally after practical movement
Deviation as shown in Figure 5.The long straight line error of Z-direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains.
3) X, Y-axis angular errors when being moved along X, Y, Z axis
Adjustment laser dot-matrix generating means 2 sends out laser beam and hot spot and net is presented on grid location plate 3 first when measurement
Nine intermediate dots overlap on lattice positioning plate 3, are defined as starting point at this time.Then the laser on setting program control main shaft
Dot matrix generating means 2 is moved to specific point along X, Y, Z axis by starting point, and terminal laser dot-matrix is ideally moved in guarantee
Nine dots that intermediate nine dots are neighbouring on hot spot and grid location plate 3 are presented in generating means 2 on grid location plate 3
(X, Y-axis) or center nine dots of slightly larger range overlap (Z axis), i.e., move m step-length along X, Y-axis, or move n along Z axis
A step-length.If there are X-axis angular errors, it is practical mobile after facula position and facula position ideally can be just like
Deviation shown in fig. 6.The long angular errors of X-direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains.If there are X-axis angular errors, facula position and hot spot ideally after practical movement
It position can be just like the deviation that Fig. 6 is rotated by 90 °.The long angular errors of Y direction single step and lathe edge when lathe is moved along X, Y, Z axis
The long angular errors Computing Principle of X-direction single step is similar when X, Y, Z axis moves.
4) Z axis angular errors when being moved along X, Y, Z axis
Adjustment laser dot-matrix generating means 2 sends out laser beam and hot spot and net is presented on grid location plate 3 first when measurement
Nine intermediate dots overlap on lattice positioning plate 3, are defined as starting point at this time.Then the laser on setting program control main shaft
Dot matrix generating means 2 is moved to specific point along X, Y, Z axis by starting point, and terminal laser dot-matrix is ideally moved in guarantee
Nine dots that intermediate nine dots are neighbouring on hot spot and grid location plate 3 are presented in generating means 2 on grid location plate 3
(X, Y-axis) or center nine dots of slightly larger range overlap (Z axis), i.e., move m step-length along X, Y-axis, or move n along Z axis
A step-length.If there are Z axis angular errors, it is practical mobile after facula position and facula position ideally can be just like
Deviation shown in Fig. 7.The long angular errors of Z-direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains.
Claims (5)
1. one kind being based on the online error measuring system of laser dot-matrix numerically-controlled machine tool, including numerically-controlled machine tool (1), laser dot-matrix fill
Set (2), grid location plate (3), industrial camera (4), computer (5), which is characterized in that laser dot-matrix generating means (2) is by knife
Handle (2-1), generating device of laser (2-2), grating (2-3) and grating fixing device (2-4) composition, laser dot-matrix generating means
(2) it can be placed in numerically-controlled machine tool (1) to disk, grid location plate (3) is fixed in the processing plane of numerically-controlled machine tool (1), industrial phase
Machine (4) is fixed on numerically-controlled machine tool (1), and angle lens guarantee accurately comprehensively to take grid location plate (3), computer
(5) digital control system of connection industrial camera (4) and numerically-controlled machine tool (1).
2. the online error measuring system of a kind of three axis numerically controlled machine based on laser dot-matrix according to claim 1, special
Sign is that the grating (2-3) can convert the single beam that laser generator generates to 3 × 3 evenly arranged nine beams light battle arrays
Row, wherein often row's outermost two-beam is mutually into θ angle.
3. the online error measuring system of a kind of three axis numerically controlled machine based on laser dot-matrix according to claim 1, special
Sign is that the grid location plate (3) is diffusing reflection fine grid blocks plate.
4. the online error measuring system of a kind of three axis numerically controlled machine based on laser dot-matrix according to claim 1, special
Sign is that the grid location plate (3) is useful for the dot battle array of Calibration of Laser facula position, between two neighboring dot away from
From being m times of the integer of X, Y-axis moving step length, at the same after so that Z axis is moved Integer n times step-length nine hot spots with intermediate range slightly
Nine big dots overlap.
5. one kind is based on the online error measurement method of laser dot-matrix numerically-controlled machine tool, it can be achieved that digital control machine tool positioning error and movement exist
Line error measure, which is characterized in that include the following steps：
The first step, calibration：
Setting numerical control program changes to laser dot-matrix generating means (2) on main shaft, so that laser dot-matrix is filled by numerical control programming
It sets (2) to be moved to above grid location plate (3), industrial camera (4) is continuously shot, and determines that nine beams swash by computer (5) operation
The position of light, then by operation tracing program, continuous control motion of main shaft and by industrial camera (4) image feedback, it is final real
Nine dots in hot spot whole snap grid positioning plate (3) center that existing nine beam laser generate；
Second step, kinematic error measure：
Three axis numerically controlled machine process is substantially carried out the movement of tri- reference axis of X, Y, Z, is moved along each change in coordinate axis direction
It will produce 6 kinds of errors, i.e. X-axis straight line error, Y-axis straight line error, Z axis straight line error, X-axis angular errors, Y-axis angular errors, Z
Shaft rotation angle error, that is to say, that three axis numerically controlled machine processing, which amounts to, will measure 18 kinds of errors, below with regard to 18 kinds of error measurement methods
It is described：
1) X, Y direction straight line error when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means (2) sends out laser beam and hot spot and net is presented on grid location plate (3) first when measurement
Nine intermediate dots overlap on lattice positioning plate (3), are defined as starting point at this time, then the laser on setting program control main shaft
Dot matrix generating means (2) is moved to specific point along X, Y-axis by starting point, and terminal laser point paroxysm is ideally moved in guarantee
Nine dots that intermediate nine dots are neighbouring on hot spot and grid location plate (3) are presented in generating apparatus (2) on grid location plate (3)
(X, Y-axis) or center nine dots of slightly larger range overlap (Z axis), i.e., move m step-length along X, Y-axis, or move n along Z axis
A step-length, if there are X, Y direction straight line error, facula position and facula position meeting ideally after practical movement
There is deviation.X, the long straight line error of Y direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains；
2) Z axis straight line error when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means (2) sends out laser beam and hot spot and net is presented on grid location plate (3) first when measurement
Nine intermediate dots overlap on lattice positioning plate (3), are defined as starting point at this time, then the laser on setting program control main shaft
Dot matrix generating means (2) is moved to specific point along X, Y, Z axis by starting point, and terminal laser dot-matrix is ideally moved in guarantee
Nine circles that intermediate nine dots are neighbouring on hot spot and grid location plate (3) are presented in generating means (2) on grid location plate (3)
Point (X, Y-axis) or center nine dots of slightly larger range overlap (Z axis), i.e., move m step-length along X, Y-axis, or move along Z axis
N step-length, if there are Z-direction straight line error, facula position and facula position meeting ideally after practical movement
There is deviation, the long straight line error of Z-direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains；
3) X, Y-axis angular errors when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means (2) sends out laser beam and hot spot and net is presented on grid location plate (3) first when measurement
Nine intermediate dots overlap on lattice positioning plate (3), are defined as starting point at this time, then the laser on setting program control main shaft
Dot matrix generating means (2) is moved to specific point along X, Y, Z axis by starting point, and terminal laser dot-matrix is ideally moved in guarantee
Nine circles that intermediate nine dots are neighbouring on hot spot and grid location plate (3) are presented in generating means (2) on grid location plate (3)
Point (X, Y-axis) or center nine dots of slightly larger range overlap (Z axis), i.e., move m step-length along X, Y-axis, or move along Z axis
N step-length, if there are X-axis angular errors, facula position has partially with facula position ideally after practical movement
Difference, the long angular errors of X-direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains, if there are X-axis angular errors, facula position and facula position meeting ideally after practical movement
There is the deviation being rotated by 90 °, when the long angular errors of Y direction single step are moved with lathe along X, Y, Z axis when lathe is moved along X, Y, Z axis
The long angular errors Computing Principle of X-direction single step is similar；
4) Z axis angular errors when being moved along X, Y, Z axis；
Adjustment laser dot-matrix generating means (2) sends out laser beam and hot spot and net is presented on grid location plate (3) first when measurement
Nine intermediate dots overlap on lattice positioning plate (3), are defined as starting point at this time, then the laser on setting program control main shaft
Dot matrix generating means (2) is moved to specific point along X, Y, Z axis by starting point, and terminal laser dot-matrix is ideally moved in guarantee
Nine circles that intermediate nine dots are neighbouring on hot spot and grid location plate (3) are presented in generating means (2) on grid location plate (3)
Point (X, Y-axis) or center nine dots of slightly larger range overlap (Z axis), i.e., move m step-length along X, Y-axis, or move along Z axis
N step-length, if there are Z axis angular errors, facula position has partially with facula position ideally after practical movement
Difference, the long angular errors of Z-direction single step can be by formula when lathe is moved along X, Y, Z axis
It calculates and obtains.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112099437A (en) * | 2020-09-07 | 2020-12-18 | 西京学院 | System and method for measuring and calculating error compensation period of numerical control machine tool |
| CN112621378A (en) * | 2020-11-27 | 2021-04-09 | 上海柏楚电子科技股份有限公司 | Method and device for calibrating structural parameters of machine tool and machine tool control system |
| CN117943887A (en) * | 2024-03-19 | 2024-04-30 | 格致汽车科技股份有限公司 | Self-adaptive cutter receiving method for partial rectification of automobile cold stamping large die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109164760A (en) * | 2018-10-22 | 2019-01-08 | 大族激光科技产业集团股份有限公司 | A kind of height-regulating method and device with dual modes of operation |
| CN109164760B (en) * | 2018-10-22 | 2020-07-14 | 大族激光科技产业集团股份有限公司 | Height adjusting method and device with dual working modes |
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| CN117943887A (en) * | 2024-03-19 | 2024-04-30 | 格致汽车科技股份有限公司 | Self-adaptive cutter receiving method for partial rectification of automobile cold stamping large die |
| CN117943887B (en) * | 2024-03-19 | 2024-06-14 | 格致汽车科技股份有限公司 | Self-adaptive cutter receiving method for partial rectification of automobile cold stamping large die |
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