CN104175223B - The modification method of the self-diagnosing method of lathe and the machine tool accuracy of lathe - Google Patents
The modification method of the self-diagnosing method of lathe and the machine tool accuracy of lathe Download PDFInfo
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- CN104175223B CN104175223B CN201410205778.6A CN201410205778A CN104175223B CN 104175223 B CN104175223 B CN 104175223B CN 201410205778 A CN201410205778 A CN 201410205778A CN 104175223 B CN104175223 B CN 104175223B
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- correction value
- turntable
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
Abstract
The present invention provides the modification method of the self-diagnosing method of lathe and the machine tool accuracy of lathe, and obtaining the self-diagnosing method of failure and the deformation to being detected using the diagnosis caused by the deformation of the lathe for preventing to have inside lathe camera and the abrasion of component etc. and loosening caused machining accuracy reduces the method being modified.When the duration of runs of lathe or work pieces process number reaching registered interval, by turntable or feeding station and camera movement in inside lathe is set to measurement position, obtain image, go out to detect the position at object position according to image detection, detection come from its originally should position offset.By the way that these operations are repeated several times, multiple offsets are found out, the correction value in each control axis direction of workbench and feeding station, and the correction value of more new settings in the controller are calculated.It is given a warning when the mutual difference of the multiple offsets detected or calculated out or the mutual difference of correction value are more than threshold value, lathe is made to stop.
Description
Technical field
The present invention relates to for prevent the self-diagnosing method of failure caused by the deformation of lathe or the abrasion etc. of component,
The method that reduction with the machining accuracy caused by the deformation or abrasion to being detected by the diagnosis is modified, more particularly to
Has the above method of the lathe of camera inside lathe.
Background technology
In lathe, it is moved to the posture of the blank of lathe for detection and monitors the purpose of machine tool action, actually answers
With the lathe for having the camera shot to blank and processing department inside lathe.
Fig. 7 and Fig. 8 is the periphery processing for the glass plate for schematically illustrating the camera for moving in posture for having detection blank
The figure of the example of device.Fig. 7 is the periphery processing unit (plant) of large-scale glass substrate that uses of display panel in TV imagescope
Example, Fig. 8 is the example of the periphery grinding attachment of small-sized and medium-sized glass substrate that uses of display panel in portable terminal
Son.
Device shown in Fig. 7 is that fixed glass substrate w on table 12 Y-directions along figure is made to move a lateral dominance on one side
Grinding tool 3,3 with configuration in 12 both sides of workbench carries out the device of the processing of two sides e, e of the Y-direction of workpiece.In the periphery
In processing unit (plant), using be set to device 2 cameras 5,5 read be marked on workpiece w angle or adjacent corner label m1,
The offset (deviation) of m2, m3, the positions and angle of detection workpiece w on table 12 correct work based on the offset detected
Make the position command of the rotation angle of platform 12 and the incision direction (X-direction in figure) of grinding tool 3.The grinding tool 3 and camera 5 of each side carry
In the X-direction feeding station 21,21 set on each side, the offset of the X-direction detected using camera 5 becomes grinding tool 3 like this
X-direction position correction value.
Device shown in Fig. 8 is devices which：By the rotation around vertical axle P that will be fixed with the workbench 12 of workpiece w
Rotational angle theta and cutter 3 X-direction along figure controlled in association towards the amount of movement x that table core P approachs and leave (with
It is known as " contour machining mode " down), to carry out the periphery processing of free shape to workpiece w.In the periphery processing unit (plant), lead to
Crossing makes worktable rotary or camera 5 is made to be moved along the direction of the paper perpendicular to figure, makes cutter 3 in X direction to utilize
1 camera 5 that mobile traverse feed platform 21 carries detects the angle at the multiple positions for the workpiece w being placed on workbench 12,
Thus the offset of the positions and angle of detection workpiece w on table 12 corrects workbench 12 based on the offset detected
The position command of rotation angle and the X-direction of cutter 3.
Also, in the metal working machine tools such as lathe, it was also proposed that following apparatus：By the way that camera is arranged simultaneously in equipment
The image taken by the camera is shown in the display of control panel, behaviour when to make to carry out examination processing to be manually operated etc.
Work person is easy to confirm the action of lathe.
Lathe because along with operating fever, environment temperature variation due to thermal deformation occurs.In lathe, because of the office of lathe
The difference of the thermal deformation in portion or the thermal deformation of workpiece and lathe and generate mismachining tolerance.Also, lathe is because of long-term use, due to cunning
The abrasion in dynamic portion or the damage of bearing etc. and generate and loosen (ガ タ).The loosening also reduces the machining accuracy of lathe, becomes production
The reason of raw unqualified part.When generating unqualified part, in order to chase after the measurement for tracing it to its cause and carrying out machine tool accuracy.Also, it is
The generation of such unqualified part prevented trouble before it happens, the measurement for periodically carrying out machine tool accuracy is needed.
The positioning accuracy of knife rest isoline moving parts reduces and the rotation of the rotary parts such as main shaft and rotary table is fixed
Position precision reduces the main reason for being the machining accuracy reduction of lathe caused by component wear etc..As shown in figure 9, by with thousand points
Table or contact sensor 52 detect the actual position for the displacement part of straight line 51 for being positioned at specified position to move linearly
The measurement of the precision of component, and as shown in Figure 10, polygonal mirror 54 is installed in rotary part 53, according to each reflecting surface 55 towards certainly
The deviation of projection light and reflected light when the optical detectings devices such as collimator 56 measures the precision of the rotation angle of rotary part.
That is, each component of shifting axle and rotary shaft to(for) lathe, will measure the analyzer installation needed for their precision
At defined position, according to component should position and the measured value of the offset of actual position be used for the opposite portion to find out
Correction value (corrected parameter) that the command value that the driving source (servo motor etc.) of part is sent is modified and set in controller
It is fixed, thus maintain desired machining accuracy.
Patent document 1：Japanese Unexamined Patent Publication 2013-035089 bulletins
If it is unidentified go out lathe precision reduce in the state of be continuing with lathe and generate unqualified part, can cause
Therefore huge loss sets amendment corresponding with the reduction of the precision of lathe and thermal deformation by results of regular determination machine tool accuracy
Value realizes that the maintenance of machining accuracy is extremely important.
But to be reliably prevented the generation of unqualified part, if it has to which the confirmation for continually carrying out machine tool accuracy (is surveyed
It is fixed), it needs to stop lathe for a long time in the assay method of previous machine tool accuracy to be measured, and for the work of measurement
Industry burden is also big.That is, in order to measure, need to stop lathe, and be directed to multiple moving parts and rotary part that lathe has,
The analyzers such as sampling Detection instrument (pick tester) or autocollimator are installed on each of which moving direction to measure, remove
It needs except expensive analyzer, it is also desirable to superb determination techniques and a large amount of activity duration.Moreover, in the test period
Between, the processing operation of workpiece stops, therefore there are productivity also reduce etc. financial burden and measure operator homework burden it is big
This problem.
Invention content
The project of the present invention is to obtain following lathe：It, can be to carrying out the lathe of the processing in the Continuous maching of workpiece
Moving parts and rotary part, particularly be possible to the moving parts of big influence and rotary part are generated to machining accuracy
Positioning accuracy measures, and continues Continuous maching while change of registration as needed correction value in the controller, and
And the generation for supporting the failure caused by the bearing of these components and the damage of drive system can also be predicted.
The present invention provides the self-diagnosing method of lathe and the automatic setting method of correction value solves the above subject,
In, lathe has the camera for obtaining the image inside lathe, and the correction value of controller setting according to processing program to generating
Command value be modified to make each driving device act, thus carry out the Continuous maching of workpiece, the lathe self is examined
Disconnected method is characterized in that, periodically shoots the same position of mobile station or turntable with the camera and according to the image of acquirement
The variation of the offset of lathe is measured, the automatic setting method of the correction value is characterized in that, according to the diagnostic result to this
The correction value of the action command of mobile station or turntable is set or is updated.
Controller has self diagnosis program and following components：By camera be located in as reference object mobile station or
The positioning member of the predetermined portion of turntable；The image for obtaining image obtains component；According to acquirement image detection predetermined portion
The position detection component of physical location；And to the position detected with registration or be stored in controller home position it is inclined
The calculating component that shift-in row calculates, controller are also equipped with：Go out each control of workbench and feeding station according to calculated calculations of offset
The correction value of correction value in axis direction processed calculates component；And calculated correction value is stored to as defined in controller and is deposited
The correction value setting element in storage area domain.
After the duration of runs of lathe and work pieces process number reach the self diagnosis interval pre-registered in controller
Processing action at the end of, call self diagnosis program.Self diagnosis program using the positioning member by workbench or other
Turntable, feeding station and camera movement obtain the image that component obtains camera in the position to position is measured, using image,
The position for detecting detection object position from the image using position detection component, detects to detect using calculations of offset component
Object position from originally should position offset.By the way that these operations are repeated several times, multiple offsets are found out.Then, according to
These offsets calculate the correction value in each control axis direction of workbench and feeding station, the amendment that will be set in the controller
Value is updated to new calculated correction value.
In above-mentioned operation, when the mutual difference of the multiple offsets detected or calculated out or the mutual difference of correction value are more than pre-
It is given a warning when the threshold value first registered, and terminates Continuous maching in the case of necessary and stop lathe.
Self-diagnosing method according to the present invention can detect in advance completely without the management and operation of operator
The possibility of the generation of caused unqualified part is reduced to machine tool accuracy, therefore the generation of unqualified part can be prevented in not
So.Moreover, by detecting that the when of being possible to loosening and deformation with the associated lathe of machine failure gives a warning, it can be in thing
Before prevent machine failure.
Also, using the camera set in inside lathe, and moved with measurement at the time of diagnosis by program behavior
Make, the judgement of even measurement result, therefore do not need that operator is skilled, anyone can hold current machine tool accuracy.
Also, the expensive analyzer of the offset for measuring lathe, the photograph function used in measurement need not be prepared
Enough it is also used as the positioning confirmation and the measuring camera of machining accuracy of workpiece, lathe will not be made to measure operation for a long time
Stop, therefore the loss of expense and machine tool running needed for measuring can be greatly decreased.
Also, the automatic setting method of correction value according to the present invention, the effect in addition to playing above-mentioned self-diagnosing method
Except, also have the following effects that：The mistakes such as calculating mistake and the input error of correction value can be prevented, can be changed automatically
Correction value and continue to continuously run, therefore be able to maintain that high machining accuracy, while can realize by the raising of machine tool running rate
The mitigation of the raising for the productivity brought and the homework burden of operator.
Description of the drawings
Fig. 1 is the side view of periphery processing unit (plant).
Fig. 2 is the vertical view of the main utensil configuration for the device for showing Fig. 1.
Fig. 3 is the definition graph for the processing for showing contour machining mode.
Fig. 4 is the figure of the example of the image for the camera for showing to obtain.
Fig. 5 is the flow chart for showing Continuous maching process.
Fig. 6 is the flow chart for the setting process for showing self diagnosis and correction value.
Fig. 7 is the schematical stereogram of the example for the periphery processing unit (plant) for showing large glass plate.
Fig. 8 is the schematical stereogram of the example for the periphery processing unit (plant) for showing small-sized and medium-sized glass plate.
Fig. 9 is the schematic diagram for the conventional example for showing that the position of mobile station measures.
Figure 10 is the schematic diagram of the conventional example for the rotation angular measurement for showing turntable.
Label declaration
1：Workpiece spindle；
3：Grinding tool；
4：Controller；
5：Camera；
12：Workbench (turntable)；
15：Spindle motor；
21：Traverse feed platform (mobile station)；
23：Feed arrangement (traverse feed motor)；
A、B：The corner of workbench；
a、b：Carve the label set on corner；
P：The center of workbench；
w：Workpiece.
Specific implementation mode
Hereinafter, by taking the periphery processing unit (plant) of contour machining mode as an example, embodiments of the present invention will be described.Figure is
The figure for showing an example of this periphery processing unit (plant), is the device proposed in patent document 1, and Fig. 1 is side view, Fig. 2
It is the vertical view for the utensil configuration for showing major part.
Label 1 is workpiece spindle in the figure.Workpiece spindle 1 is the hollow rotary shaft of vertical direction, and workbench is equipped in upper end
12, processed workpiece (glass plate) w is maintained at the upper surface of workbench 12 with flat-hand position.Pass through the hollow hole of workpiece spindle 1
Negative pressure is supplied to the upper surface of workbench 12, workbench 12 is fixed in the surfaces workpiece w or less by the mode of vacuum suction.In workpiece
The lower end of axis 1 is linked with spindle motor (servo motor) 15, which connects via servo amplifier 41 and controller 4
It connects, according to the rotation angle of the instruction control workpiece spindle 1 of controller 4.
It is equipped with traverse feed platform 21 in the top of workpiece spindle 1.Traverse feed platform 21 is by the transverse direction of horizontal direction (not shown)
Guide part guiding is screwed together in by the traverse feed of the rotation driving of traverse feed motor (servo motor) 23 at can move freely
Leading screw 24.Traverse feed motor 23 is connect with controller 4, and the shift position of traverse feed platform 21 is controlled by controller 4.
It is equipped with length feed platform 25 in traverse feed platform 21.Length feed platform 25 can be mounted on freely movably to be fixed on
In the longitudinal guide of the vertical direction of traverse feed platform 21, and be screwed together in by the rotation driving of length feed motor 26 it is longitudinal into
To leading screw 27.
It is pivotally supported the abrasives axis 31 of vertical direction in length feed platform 25, grinding tool 3 is installed in the lower end of the abrasives axis.
The upper end of abrasives axis 31 is connect via toothed belt 33 with grinding tool drive motor 34.In the device of figure, abrasives axis is 1, but
The device of diameter or variform a variety of grinding tools mostly can be installed using more abrasives axis are provided with.
The axle center of workpiece spindle 1 and the axle center of abrasives axis 31 are located at the same lead parallel with the moving direction of traverse feed platform 21
It faces directly on s.As shown in figure 3, in contour machining mode, the amount of movement of traverse feed platform 21 (is ground by using controller 4
The amount of movement of tool 3) rotation angle θ of x and workpiece spindle 1 controlled in association, to carry out the periphery of desired flat shape
Processing.
It is equipped with the image for obtaining the workpiece being moved on workbench 12 in the fixed position of traverse feed platform 21
Camera 5.As shown in Fig. 2, the camera 5 is set to position of its optical axis by the vertical face s.
It is carved respectively equipped with label a, b in the upper surface of corner A, B of workbench 12.Since known label a, b is working
Position on platform 12, so can be found out by calculating when making the rotation by of workbench 12 that label a, b be made to be located at the vertical face s
Workpiece spindle 1 the rotation of slave origin angle rotation angle and keep the optical axis of camera 5 consistent with the label being located on vertical face s
When traverse feed platform shift position.
Therefore, so that traverse feed motor 23 and spindle motor 15 is rotated using controller 4, label a is positioned at camera 5
Optical axis position, be used in combination camera 5 obtain corner A image.Fig. 4 is the example for showing the image acquired by camera
Figure.The position from picture centre of a can be gone out to mark according to the image detection of acquirement.Next, workbench 12 is rotated 180
Degree ,if needed label b is positioned at the position of the optical axis of camera 5, camera is used in combination to obtain angle by mobile traverse feed platform 21
The image of portion B.
By measuring the label offset of a, b from camera optical axis on the image obtained in this way, workbench can be measured
The position error of error (from the deviation of initial position) and traverse feed platform 21 of 12 rotation angle.Also, pass through slave phase negative side
To rotation and mobile work platform 12 and traverse feed platform 21, keeps label a, b consistent with the optical axis of camera 5 and similarly surveyed
Amount, to according to the difference of error and error when initially measuring when measuring the other way around, measure because of productions such as abrasions
The loosening of raw lathe.
In addition, even if can be according to the workbench on image if in the case where workbench 12 is not carved equipped with label a, b
The breakpoint detection of the line of periphery goes out the angle of workbench 12.In this case, using by optical axis Co be located in workbench 12 as
Angle A, B of object should position camera 5, obtain the image of the corner A of workbench, next rotate workbench 12
180 degree and the image for obtaining corner B.2 vertical line segments of image as work edge of table reflect on the image of acquirement,
Therefore the coordinate of the intersection point of this 2 line segments on the image can be obtained.
By comparing the position on the vertex of label a, b or angle A, B for obtaining in the above described manner, following content can be carried out
The self diagnosis of conditions of machine tool and correcting process based on the measurement result.
(1) when beginning to use lathe and later, according to being pre-registered in the machine tool running time of controller or according to adding
The departure of work number, X and Y-direction to workbench is compared, and confirms the situation of thermal migration.Also, according to departure,
Controller sets the correction value of the deviation for correcting thermal migration automatically.
(2) same position is shot repeatedly in the state of stop table and traverse feed platform, and compares these images
In label a, b or angle A, B vertex position, thus, it is possible to confirm the state of machine vibration.When the wave of the position compared
When moving the threshold value for being more than and pre-registering, it is believed that such as increasing the clearance generated in the drive system of traverse feed platform, therefore send out
Going out warning reminds operating personnel to pay attention to.
(3) workbench resetting is shot into same position in identical angle, compares label a, b in these images
Or the position on the vertex of angle A, B, thus, it is possible to detect the stage supports such as main shaft bearing of supporting table system and main shaft
The exception of the drive systems such as motor, and given a warning when being determined as exception.
Referring next to Fig. 5 and Fig. 6, illustrate the amendment side of the self diagnosis and machine tool accuracy of the present invention in above-mentioned apparatus
Method.First, before starting Continuous maching, the timer of timing is carried out to the duration of runs in the setting of controller 4, and preset
Implement the permissible value of the time interval of self diagnosis and the loosening (clearance) of permission.
In the Fig. 5 for showing Continuous maching process, after starting processing, controller 4 is waited for from carry-in/carry-away device
Workpiece moves in end signal.After workpiece is moved to, detection is moved to workbench 12 with the process described in such as patent document 1
On workpiece w position deviation, according to the position deviation detected for each workpiece calculate the position based on the workpiece it is inclined
The correction value of difference, and set in the controller.Then, the processing of 1 workpiece on workbench is carried out, it will after process finishing
End signal send to carry-in/carry-away device and waits for workpiece w from moving out on workbench 12.After workpiece is moved out, Fig. 6 is executed
The self diagnosis program of middle explanation returns to initially if having next workpiece after restoring control and waits for removing for next workpiece
Enter.Terminate Continuous maching process if without next workpiece.
Fig. 6 is the process of self diagnosis program.In this process, include the amendment process of machine tool accuracy.Starting to execute
After the process, first, it is determined that whether duration of runs when using the duration of runs timer for being set to controller 4 reaches execution certainly
Time interval (the step 61) that I diagnoses is immediately finished if not reaching and returns to Continuous maching process.Reaching certainly
In the case of the time interval that I diagnoses, workbench 12 is set to rotate to the angle pre-registered, and lateral supply unit 21 is moved
The 1st label a is set to be located at (step 62) on the optical axis of camera 5 to the position pre-registered.Then, the figure of camera 5 is obtained
As (step 63), a is marked according to the image detection of acquirement, to detect the offset (step for coming from its original position (optical axis center)
It is rapid 64).Next by worktable rotary 180 degree, and label b is detected by obtaining the image of camera, it is come from detection
It should be in the offset (step 65~68) of position.The inclined of the rotation angle of workbench can be gone out according to the calculations of offset of this 2 labels a, b
Move and table core with traverse feed platform 21 in X-direction (direction of feed of traverse feed platform) and the Y side orthogonal with X-direction
Upward offset, but the influence due to the offset of Y-direction to machining accuracy is small, so finding out for correcting lathe of work level angle and cross
To the position offset of feeding station the 1st correction value and stored (step 69).
Next, the other way around mobile work platform 12 and traverse feed platform 21 and pass through similarly operation obtain label a
With the image of b, with it is aforementioned in the same manner as calculate the 2nd correction value (step 70~77).Moreover, the difference when the 1st and the 2nd correction value is big
It when the permissible value of the clearance of registration, is difficult to be eliminated by setting correction value to controller, therefore gives a warning to stop
Operating.If the difference of the 1st and the 2nd correction value in permissible value hereinafter, if the average value of their correction value is set as currently repairing
Positive value (step 78), resets duration of runs timer and returns to Continuous maching process.
Device and process shown in above-described embodiment are the movements only in the X direction of the rotation and cutter by workbench
Carry out the processing of workpiece, but in the device that is processed, set according to using camera pair moving cutter along X, Y-direction
A fixed position on the table is shot and the image that obtains detects the offset on two direction X, Y, is thus detected
The variation of the relative position relation of cutter and workbench caused by ongoing change and thermal deviation will automatically be used to correct these
The correction value of offset is set in controller.
Also, in the step 63 and 66 in above-mentioned self diagnosis process, repeatedly shot in the state of so that lathe is stopped
Same position, detecting the mutual offset of these images, thus, it is possible to carry out the confirmation of machine vibration, when this repeatedly shoots
When the position of the image of object in image has the fluctuation more than the permissible value set, it can send out and certain exception occurs
Warning.
Also, it repeats step 62~67 in above-mentioned self diagnosis process and obtains multiple image, be able to confirm that the image
The fluctuation of the position of mutual object.When the fluctuation is big, it is believed that for example in the driving system of the main shaft including spindle motor 15
It unites, be pivotally supported the bearing of main shaft or the drive system of traverse feed platform 21 is abnormal, therefore even if in this case,
Also it can be given a warning when the amount of the fluctuation is more than preset permissible value to urge the inspection of lathe.
The lathe illustrated in the above-described embodiments is the periphery processing unit (plant) of the glass plate based on contour machining mode, but
This can also be used in lathe as the machining center that two dimensional surface moves up dynamic device shown in Fig. 7 and cutter to be processed
The method of invention.Especially camera is being mounted in along the lathe of the feeding station of the incision direction feeding of cutter, camera
Do not change with the relative position relation of cutter, can by the offset detected directly as correction value in this direction,
Therefore the method for the present invention is especially effective.
As described above, according to the method for the present invention, having the following effects that：Setting detector need not be added in existing device
Or measuring appliance, only by registering self diagnosis program and various permissible values to controller, and called in due course certainly in Continuous maching
My diagnostic program, it will be able to setting and machine tool accuracy diagnose and the corresponding correction values such as the thermal migration of lathe at each moment,
And obtain and multiple image and they be compared to each other in self diagnosis program, thus, it is possible to find the exception of lathe and
Failure can not only prevent the generation of unqualified part, additionally it is possible to which the stage finds abrasion and the failure of lathe in the early stage.
Claims (4)
1. a kind of self-diagnosing method of lathe is the self-diagnosing method of the machine tool accuracy of lathe, the lathe, which has, to be taken
The camera of the image inside lathe is obtained, the correction value of controller setting repaiies the command value generated according to processing program
Just so that each driving device of the mobile station used in processing or turntable is acted, thus carry out the Continuous maching of workpiece,
The self-diagnosing method of the lathe is characterized in that,
According to set time interval, with the camera to same portion in the state of stopping the mobile station or turntable
Position is repeatedly shot, or the mobile station or turntable resetting are shot same position in identical angle, and
According to the variation of the offset of the image detection lathe of acquirement, given a warning when more than the threshold value set in the controller.
2. a kind of modification method of the machine tool accuracy of lathe, which is characterized in that detected using method described in claim 1
Offset be less than under conditions of the threshold value, the action of the mobile station or turntable is referred to according to the variation of the offset
The correction value of order is set or is updated.
3. the self-diagnosing method of lathe according to claim 1, which is characterized in that
The same position of the mobile station or turntable is repeatedly shot with the camera and is distinguished according to the multiple image of acquirement
The offset for detecting lathe sends out police when the fluctuation of the multiple offsets detected is more than the threshold value set in the controller
It accuses.
4. the self-diagnosing method of lathe according to claim 3, which is characterized in that
The multiple image is obtained in the state of making the mobile station or turntable stops.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013108929A JP6174906B2 (en) | 2013-05-23 | 2013-05-23 | Self-diagnosis of machine and correction method of machine accuracy |
| JP2013-108929 | 2013-05-23 |
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| Publication Number | Publication Date |
|---|---|
| CN104175223A CN104175223A (en) | 2014-12-03 |
| CN104175223B true CN104175223B (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410205778.6A Active CN104175223B (en) | 2013-05-23 | 2014-05-15 | The modification method of the self-diagnosing method of lathe and the machine tool accuracy of lathe |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6174906B2 (en) |
| KR (1) | KR102166641B1 (en) |
| CN (1) | CN104175223B (en) |
| TW (1) | TWI611870B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6174906B2 (en) * | 2013-05-23 | 2017-08-02 | 中村留精密工業株式会社 | Self-diagnosis of machine and correction method of machine accuracy |
| CN104536385B (en) * | 2014-12-18 | 2016-01-20 | 华中科技大学 | A kind of modification method of NC machining program |
| CN104516348A (en) * | 2014-12-29 | 2015-04-15 | 贵州航天计量测试技术研究所 | Calibration device and calibration method for radio frequency homing-based semi-physical simulation system |
| TWI571716B (en) * | 2015-10-27 | 2017-02-21 | 財團法人資訊工業策進會 | Diagnosing device and diagnosing method |
| JP6775958B2 (en) * | 2016-02-09 | 2020-10-28 | ローランドディー．ジー．株式会社 | How to determine the cutting machine and the necessity of position correction |
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| KR20140138063A (en) | 2014-12-03 |
| TW201444648A (en) | 2014-12-01 |
| TWI611870B (en) | 2018-01-21 |
| JP6174906B2 (en) | 2017-08-02 |
| JP2014226754A (en) | 2014-12-08 |
| KR102166641B1 (en) | 2020-10-16 |
| CN104175223A (en) | 2014-12-03 |
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