CN110087828A - Information processing unit and the bad determining method of processing - Google Patents
Information processing unit and the bad determining method of processing Download PDFInfo
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- CN110087828A CN110087828A CN201780078011.3A CN201780078011A CN110087828A CN 110087828 A CN110087828 A CN 110087828A CN 201780078011 A CN201780078011 A CN 201780078011A CN 110087828 A CN110087828 A CN 110087828A
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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
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
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- 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
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- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- Numerical Control (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Image Processing (AREA)
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Abstract
Information processing unit (1) is characterized in that, with the bad determining section (13) of processing, the bad determining section of the processing (13) is based on according to the image feature amount (40) calculated the image data that the workpiece after processing is shot, the processing bad part of workpiece is determined, the performance of program amount (41) calculated based on image feature amount (40) and according to the processing program (2) for being processed to workpiece, there is the part for the movement processed to the processing bad part to be determined the description in processing program (2).
Description
Technical field
The information processing unit and processing being determined the present invention relates to the processing bad part to workpiece are bad
Determine method.
Background technique
Numerical control device has by reading in and executing description for making workpiece or process tool along preset
The nc program of the mobile move in path, thus change the relative position of workpiece and process tool, it is right
Workpiece is processed.In processing as described above, it is bad that processing can be generated in workpiece sometimes.Processing is not
It is good be, for example, due to nc program or control data exception and process tool relative to workpiece from desired
Positional shift and generate, or due between process tool and workpiece generate be referred to as flutter vibration and produce
Raw.The bad also known as flutter oscillation mark of the processing generated due to flutter.In the case where producing the undesirable situation of processing, need to production
It has given birth to the undesirable part of processing and the main reason for processing is bad occurs and be determined, improved so that normally add
Work.
Following technologies are disclosed in patent document 1, that is, supervise always to the state of the machining center as work mechanism
Depending on based on monitoring data and the image data shot to the machined surface of workpiece, to generating, processing is undesirable
Reason is determined.Herein, monitored data be convey the current value of motor, the current value of main tapping, body it is more
Vibration temperature etc. at a position.
Patent document 1: Japanese Unexamined Patent Publication 2007-190628 bulletin
Summary of the invention
But according in technology described in Patent Document 1, needing always to monitor the state of work mechanism.In addition,
Under in order to release processing modified situation that is bad and needing processing program, is simulated and determined in processing program
The part for needing to be modified, existed for releasing processing it is bad and the problem of spend the time.
The present invention is exactly to propose in view of the foregoing, it is intended that obtaining a kind of information processing unit and processing
Bad determining method can be reduced to releasing and process bad the time it takes in the case where the undesirable situation of processing has occurred.
In order to solve above-mentioned problem, it and achieves the goal, information processing unit of the invention is characterized in that, has processing
Bad determining section, the bad determining section of the processing is based on according to the image data shot to the workpiece after processing
And calculate image feature amount, the processing bad part of workpiece is determined, based on image feature amount and according to
In the performance of program amount that the processing program processed to workpiece calculates, there is the description in processing program to processing
The part for the movement that bad part is processed is determined
The effect of invention
Information processing unit of the present invention realizes following effects, that is, can in the case where the undesirable situation of processing has occurred
It has been reduced to releasing and has processed bad the time it takes.
Detailed description of the invention
Fig. 1 is the figure of the structure for the information processing unit for indicating that embodiments of the present invention 1 are related to.
Fig. 2 is the figure for the location of instruction for indicating that performance of program amount calculation part shown in FIG. 1 is calculated.
Fig. 3 is the figure for the performance of program amount for indicating that performance of program amount calculation part shown in FIG. 1 is calculated.
Fig. 4 is the figure for the image data for indicating that image reading unit shown in FIG. 1 is read out.
Fig. 5 is the figure of the calculated image feature amount of image data according to Fig.4,.
Fig. 6 is the figure for the display picture for indicating that display unit shown in FIG. 1 is shown.
Fig. 7 is the flow chart for indicating the movement of information processing unit shown in FIG. 1.
Fig. 8 is the figure of the structure for the information processing unit for indicating that embodiments of the present invention 2 are related to.
Fig. 9 is the display picture for indicating the reason bad to processing that display unit shown in Fig. 8 is shown and being shown
Figure.
Figure 10 is the flow chart for indicating the movement of information processing unit shown in Fig. 8.
Figure 11 is the figure of the structure for the information processing unit for indicating that embodiments of the present invention 3 are related to.
Figure 12 is the camera for indicating the image data handled information processing unit shown in Figure 11 and being shot
With the figure of the variation of the positional relationship of workpiece.
Figure 13 is the figure of the hardware configuration for the information processing unit for indicating that embodiments of the present invention 1 to 3 are related to.
Specific embodiment
In the following, attached drawing is based on, to information processing unit involved in embodiments of the present invention and the bad determination side of processing
Method is described in detail.In addition, the present invention is not limited to present embodiments.
Embodiment 1.
Fig. 1 is the figure of the structure for the information processing unit 1 for indicating that embodiments of the present invention 1 are related to.Information processing unit 1
Carry out the bad processing being determined of processing to generating in the workpiece processed by process tool.Specifically
Say, information processing unit 1 using for make process tool and workpiece relative position change and to workpiece into
Row processing processing program 2 and to the image data 24 that workpiece is shot, workpiece can be added
Description in work bad part and processing program has the part for the movement processed to processing bad part to be determined.Processing
Object is also referred to as workpiece.
Information processing unit 1 has program instruction reading part 3, performance of program amount calculation part 4, image reading unit 5, image special
Sign amount calculation part 6, comparing part 8, the bad determining section 13 of processing and display unit 9.
Program instruction reading part 3 reads the processing program 2 being made of multiple program blocks, is input to performance of program amount calculation part
4.Performance of program amount calculation part 4 based on the processing program 2 inputted, for processing program 2 each program block and to indicating plus
The characteristic quantity of shape after the processing of work object is calculated.Performance of program amount 41 refers to be calculated according to the location of instruction
Line segment length, the song of edge shape, each program block including the edge 33 at edge 32 and machining shape comprising workpiece
Rate, machine direction, spacing width etc..Calculated performance of program amount 41 is input to comparing part 8 by performance of program amount calculation part 4.
Fig. 2 is the figure for the location of instruction 35 for indicating that performance of program amount calculation part 4 shown in FIG. 1 is calculated.Processing program 2
Describe the multiple instruction position 35 for having the shape of the workpiece after indicating to process.Fig. 2 shows byWX、WY、WThese three axle gauges of Z
Multiple instruction position 35 in the three-dimensional space made.Fig. 3 is to indicate that performance of program amount calculation part 4 shown in FIG. 1 is calculated
Performance of program amount 41 figure.Performance of program amount 41 includes the location of instruction 35, the edge 32 of workpiece and processing shape
The edge 33 of shape.
Image reading unit 5 reads the image data 24 shot to the machined surface of workpiece, will read
Image data 24 be input to image feature amount calculation part 6.The image data 24 that image reading unit 5 is read is also possible to motion diagram
As a part of data.Image feature amount calculation part 6 parses the image data 24 inputted from image reading unit 5, to figure
The characteristic quantity of picture is calculated.Image feature amount 40 is calculated using method for analyzing image such as edge detection, binaryzations.Image
Calculated image feature amount 40 is input to comparing part 8 by feature value calculation unit 6.
Fig. 4 is the figure for the image data 24 for indicating that image reading unit 5 shown in FIG. 1 is read out.Image data 24 includes
There is a part of workpiece, but image data 24 also may include the entirety of workpiece.Fig. 5 is indicated according to Fig. 4
Shown in the calculated image feature amount 40 of image data 24 figure.Image feature amount 40 is indicated comprising indicating workpiece
The edge 32 of periphery, the edge 33 of machining shape and process bad part edge 34 including edge shape, machine direction,
Spacing width etc..
Comparing part 8 is defeated to the performance of program amount 41 inputted from performance of program amount calculation part 4 and from image feature amount calculation part 6
The image feature amount 40 entered is compareed, and is had the part of the workpiece in image data 24 and description and is carried out to the part
Part in the processing program 2 of the movement of processing is corresponding.8 pairs of comparing part are processed as the calculated expression of performance of program amount 41
The edge 32 of the periphery of object and as image feature amount 40 it is calculated indicate workpiece periphery edge 32 into
Row compares, and is determined to the consistent part of characteristic quantity, keeps performance of program amount 41 corresponding with image feature amount 40.Alternatively, right
The spy other than edge 32 such as edge 33 of the scanning line direction of processing, spacing width, machining shape also can be used according to portion 8
Sign amount and compareed.In addition, comparing part 8 is also able to use the characteristic quantity of multiple types and is compareed.In image data 24
In the case that middle shooting has the entirety of workpiece, it is preferable to use the edges 32 for the periphery for indicating workpiece for comparing part 8
And it is compareed.In the case that only shooting has a part of workpiece in image data 24, it is preferable to use add for comparing part 8
The characteristic quantities such as the edge 33 of work shape, spacing width and compareed.In addition, comparing part 8 is also possible at the difference of characteristic quantity
In the case where in the range of preset error, it is judged as that characteristic quantity is consistent.
In the case where the correspondence of image data 24 and processing program 2 is known in advance, comparing part 8 can also connect from user
By the input for the information for indicating corresponding relationship, compareed based on the information received.Alternatively, result of the comparing part 8 in control
In the case where finding multiple consistent parts of characteristic quantity, multiple candidates can also be exported, user is made to select image data 24
The correspondence of workpiece and processing program 2.
Process bad determining section 13 based on image feature amount 40 to the position of the processing bad part in workpiece into
Row determines, is based on image feature amount 40 and performance of program amount 41, has to the description in processing program 2 and carries out to processing bad part
The part of the movement of processing is determined.It processes bad determining section 13 and is based on image feature amount 40, to the side of processing bad part
Edge 34 is determined.Such as in the case where machining, machined surface is not plane sometimes, and formation is formed by machining
Multiple cutting faces boundary.It is known as that portion (Cusp) can be cut in the part for the protrusion that the boundary is formed.It machined well
In the case of work face, the height that can cut portion becomes the same height, if carrying out edge detection according to image data 24, detects
The same value.Machined surface include processing bad part in the case where, can cut the image feature amounts such as the height in portion 40 with it is good
Machined surface becomes different values.Behind the position for determining processing bad part, processes bad determining section 13 and use comparing part 8
Results of comparison has the part for the movement processed to processing bad part to be determined the description in processing program 2.Processing
Bad determining section 13, which has the description in the location information for processing bad part and processing program 2, carries out processing bad part
The part of the movement of processing is input to display unit 9.
Display unit 9 is generated display picture, the display picture of generation is shown in display device based on the information inputted.
Fig. 6 is the figure for the display picture for indicating that display unit 9 shown in FIG. 1 is shown.On the top of Fig. 6, show in image data 24
On be overlapped as the workpiece of image feature amount 40 edge 32 and process bad part edge 34 and processing it is bad
Determine the figure of part 36.In the lower part of Fig. 6, the figure weight in 35 Three-dimensional Display of the location of instruction that will be used as performance of program amount 41 is shown
The figure of the processing program block 31 of the bad determining part of processing is folded.Display unit 9 can also show Fig. 6 on 1 display picture
Shown in multiple figures, can also show multiple figures shown in fig. 6 respectively by multiple display pictures.1 is only illustrated in Fig. 6
The bad determining part of the processing at a position and the processing program block for processing bad determining part, but determining that multiple processing are bad
In the case where part, multiple bad determinations of processing can be partially overlapped in image data 24 and be shown, it is multiple having compareed
In the case where the processing program block for processing bad determining part, multiple processing program blocks can also be overlapped in image data 24
And it shows.
Fig. 7 is the flow chart for indicating the movement of information processing unit 1 shown in FIG. 1.Firstly, program instruction reading part 3 takes
Processing program 2 is obtained, image reading unit 5 obtains image data 24.Program instruction reading part 3 inputs acquired processing program 2
To performance of program amount calculation part 4, acquired image data 24 is input to the (step of image feature amount calculation part 6 by image reading unit 5
Rapid S11).Image feature amount calculation part 6 is calculated (step S12) to image feature amount 40 according to the image data 24 of input.
Performance of program amount calculation part 4 is calculated (step S13) to performance of program amount 41 according to the processing program 2 of input.
Comparing part 8 compares performance of program amount 41 and image feature amount 40, makes the processing object in image data 24
The part of object has the part of processing program 2 for the movement processed to the part corresponding with description.At this point, comparing part 8 exists
Comparison other, that is, comparison range of performance of program amount 41 setting and image feature amount 40, to 41 He of performance of program amount of comparison range
Image feature amount 40 is compareed (step S14).Whether comparing part 8 is to determining that corresponding characteristic quantity is judged (step
S15).In the case where that could not determine corresponding characteristic quantity (step S15:No), ratio of the comparing part 8 to performance of program amount 41
(step 16) is changed compared with range, executes step S14 again.In addition, although it is not shown, in the candidate of not comparison range
In the case of, it is determined as that between processing program 2 and image data 24, there is no correlations, ends processing.
In the case where determining corresponding characteristic quantity (step S15:Yes), processes bad determining section 13 and use image
Characteristic quantity 40 is determined (step S17) to processing bad part.Process the bad determining part of 13 pairs of bad determining section processing
Processing program block is determined.Bad determining part will be processed and processes the processing of bad determining part by processing bad determining section 13
Program block is input to display unit 9 (step S18).The output of display unit 9 processes bad determining part and processes bad determination part
Processing program block (step S19).
As described above, embodiment according to the present invention 1, based on what is shot to workpiece
Image data 24 and workpiece is processed for changing the relative position of process tool and workpiece
Processing program 2, the position and description for capableing of processing bad part to workpiece, which have, processes processing bad part
The part of processing program 2 of movement be determined.With this configuration, it in the case where processing unfavorable condition has occurred, determines to become
The part of the processing program 2 of its reason, therefore releasing can be reduced to and processed bad the time it takes.
Embodiment 2.
Fig. 8 is the figure of the structure for the information processing unit 10 for indicating that embodiments of the present invention 2 are related to.In addition, to reality
It applies the identical structural element of information processing unit 1 that mode 1 is related to and marks identical label, omit detailed description.
Information processing unit 10 has program instruction reading part 3, performance of program amount calculation part 4, interpolation portion 11, motor control
Portion 12 processed, control data characteristics amount calculation part 15, image reading unit 5, image feature amount calculation part 6, comparing part 8, processing are bad
Determining section 13, reason determining section 14 and display unit 9.
The processing program 2 read is input to interpolation portion 11 and performance of program amount calculation part 4 by program instruction reading part 3.
The location of instruction of process tool represented by the processing program 2 read is carried out interpolation for each program block by interpolation portion 11,
The location of instruction after interpolation is input to motor control part 12 and control data characteristics amount calculation part 15.Motor control part 12
Based on the location of instruction after interpolation, to for make process tool or be equipped with workpiece movable workbench conveying
Device is controlled.Conveying device keeps the position of process tool or workpiece mobile, thus process tool and processing pair
As the relative position variation of object, workpiece is processed by process tool.After motor control part 12 is based on interpolation
The location of instruction that the feedback position for indicating actually to make the position of process tool or movable workbench is input to control data is special
Sign amount calculation part 15.The location of instruction and feedback position after interpolation also known as control data.
Performance of program amount calculation part 4 is according to 2 calculation procedure characteristic quantity 41 of processing program, by calculated performance of program amount 41
It is input to comparing part 8.Data characteristics amount calculation part 15 is controlled according to the control of the location of instruction and feedback position after including interpolation
Data processed calculate the control data characteristics amount of the characteristic quantity as control data, calculated control data characteristics amount are inputted
To comparing part 8.Control data characteristics amount is that the location of instruction, feedback position, the movement speed of process tool after interpolation are i.e. practical
Feed speed, the moving direction of process tool, interval error correcting value, the amount of error correction of servomotor, cooked mode letter
Breath, ideal are by speed, curvature, radius of curvature etc..
It is inputted except performance of program amount 41 and image feature amount 40 to comparing part 8, also output control data characteristics amount.Control
Portion 8 compares performance of program amount 41 and image feature amount 40, similarly to image feature amount 40 and control data characteristics amount
It is compareed, keeps the part of the workpiece in image data 24 and control data for processing the part corresponding.It is former
Because determining section 14 is based on image feature amount 40 and control data characteristics amount, determines and process bad reason.Specifically, reason is true
Determining portion 14 will be determined as becoming the control data of the bad reason of processing with the corresponding control data characteristics amount of processing bad part
Characteristic quantity.Reason determining section 14 can also further solve control data characteristics amount corresponding with processing bad part
Analysis is screened to the control data characteristics amount for processing bad reason is become.For example, reason determining section 14 is to process tool
Whether movement speed, that is, actual feed and ideal are compared by speed, be more than ideal through overrunning to actual feed
Degree is confirmed.In addition, reason determining section 14 can also will with the corresponding control data characteristics amount of processing bad part and with
The corresponding control data characteristics amount in part other than processing bad part is compared, other than expression and processing bad part
The control data characteristics amount of the different tendency in part be determined.Reason determining section 14 will determine as processing bad reason
Control data characteristics amount is used as processing is bad to export because of data.In addition, reason determining section 14 also can be bad based on processing
It to be parsed because of data in order to release the undesirable countermeasure of processing.It is to add that reason determining section 14 is too fast in actual feed
In the case where the bad reason of work, such processing conditions that the feed speed for making process tool can be slowed down is as in order to release
It processes undesirable countermeasure and exports.
Display unit 9 can process the display picture of bad reason to expression, represent the undesirable countermeasure of releasing processing
Display picture etc. further display.Fig. 9 is that the reason bad to processing for indicating that display unit 9 shown in Fig. 8 is shown carries out
The figure of the display picture 42 of display.Display picture 42 is Chong Die with actual feed by image data 24 and shows.The arrow of solid line
First 43 indicate that actual feed is fast compared with preset threshold value, and the arrow 44 of dotted line indicates and preset threshold value phase
It is slower than actual feed.Display unit 9 can also prompt for releasing in display picture 42 processes undesirable countermeasure.For example,
In the case that processing bad part produces flutter oscillation mark, display unit 9 will be changed the speed of mainshaft as answering countermeasure to prompt.
In addition, display unit 9 can be matched with the shooting angle of the image data 24 for workpiece, control data characteristics amount is thrown
Shadow carries out display and shows in image data 24.
Figure 10 is the flow chart for indicating the movement of information processing unit 10 shown in Fig. 8.In addition, information processing unit 10 exists
Movement shown in Fig. 10 is carried out on the basis of movement shown in Fig. 7.
The characteristic quantity of 15 pairs of data characteristics amount calculation part control data of control is calculated (step S30).8 pairs of comparing part controls
Data characteristics amount and image feature amount 40 processed are compareed, and judge whether control data characteristics amount is consistent with image feature amount 40
(step S31).In the case where controlling data characteristics amount and inconsistent image feature amount 40 (step S31:No), comparing part 8 is right
The comparison range of control data characteristics amount changes (step S32), the processing of step S31 repeatedly.In control data characteristics amount
Under 40 unanimous circumstances of image feature amount (step S31:Yes), 14 pairs of the reason determining section bad reasons of processing are determined,
Generation processing is bad will be because of data, and output processing generated is bad will be because of data (step S33).Display unit 9 is according to by reason
The processing that determining section 14 exports is bad to prompt the bad countermeasure (step S34) of processing because of data.
As described above, the information processing unit 10 that embodiment according to the present invention 2 is related to, in embodiment 1
On the basis of the effect that the information processing unit 1 being related to is realized, it can be carried out to the control data for processing bad reason are become
It determines.It is only to have to be determined the part for becoming the movement that the undesirable part of processing is processed to the description of processing program 2,
Sometimes for determine how amendment processing program 2 can and spend the time.In present embodiment 2, additionally it is possible to determine producing
Given birth to processing it is bad when control data be which kind of state, how to do that can to release processing bad, therefore can further cut down
In order to release the bad the time it takes of processing.
Embodiment 3.
Figure 11 is the figure of the structure for the information processing unit 100 for indicating that embodiments of the present invention 3 are related to.Information processing apparatus
100 are set on the basis of the structure for the information processing unit 10 that embodiment 2 is related to, also there is picture position calculation part 7.
Picture position calculation part 7 obtains the installation site of camera from the camera for shooting image data 24, is fixed with
Focal length when rotation angle, the image taking of the workbench of workpiece or process tool etc. is for image data 24
The information that position in workpiece is determined.Picture position calculation part 7 is based on acquired information, in image data
Position in the entirety of 24 workpieces taken is calculated.
Figure 12 is the bat for indicating the image data 24 handled information processing unit 100 shown in Figure 11 and being shot
Take the photograph the figure of the variation of the positional relationship of machine 53 and workpiece.1st example 50, which is shown, is set to fixation for camera 53
The case where coordinate.Workpiece is accommodated in the visual angle of camera 53 after processing, the machined surface of workpiece is carried out
Shooting.In this case, the position of camera 53 is fixed, therefore can be to workpiece when being shot
Position is calculated.2nd example 51 is shown the case where the main shaft 54 for being equipped with process tool is mounted with camera 53.Camera
53 move together with main shaft 54, therefore information processing unit 100 can calculate the position of camera 53.Picture position calculation part 7
Can based on from position of camera relative to the focal length of machined surface, the setting angle and installation site of camera 53, to picture number
It is calculated according to 24 coordinate system.Herein, it is moved in the main shaft 54 that workpiece was fixed, was equipped with process tool
In the case where, the conveying device for keeping main shaft 54 mobile shows the movement of main shaft 54 so that camera 53 and plus
Work object will not be more closer than the shortest distance of focal length.In this case, camera 53 and workpiece be can be avoided
Collision can avoid getting too close to and the situation for the shooting that cannot focus due to camera 53 and workpiece.
3rd example 52 shown in Figure 12 shows the feelings shot using loose camera 53 to image data 24
Condition.In the case where manually being shot, can be shot with free position and angle.Such as built in capable of being arranged
GPS data, camera initial position grasp position and angle when shooting by built-in acceleration transducer, acceleration etc.
Degree.Position, angle, focal length when picture position calculation part 7 is based on shooting, can be to the coordinate system of the machined surface of workpiece
It is calculated.Figure 12 is shown with mixing incline structure, but the inclination of table inclination, cutter, 3 axis mechanisms etc., can apply this hair
There is no limit for bright mechanical structure.
In addition, although not shown, being not only to calculate picture position according to the position of camera 53, about shooting figure
Picture can also describe and know the content of coordinate or scale bar, will know such as coordinate direction or scale coordinate or ratio
The content of ruler is shot together with the machined surface of workpiece.Pass through the coordinate system or ratio being reflected into image data 24
Ruler knows the size or direction of visual lines of the machined surface taken, so as to keep the characteristic quantity of processing program 2 and machined surface more quasi-
It is really consistent.
Figure 13 is the hardware configuration for the information processing unit 1,10,100 for indicating that embodiments of the present invention 1 to 3 are related to
Figure.Memory 61 is carried out to the computer program executed by processor 62 and the data generated in the execution of computer program
The storage unit of storage.Memory 61 is RAM (Random Access Memory), ROM (Read Only Memory), flash memory etc.
Non-volatile or volatibility semiconductor memory, disk etc..Processor 62 reads and executes to be stored in memory 61
The processing circuit of computer program.Processor 62 is CPU (Central Processing Unit), processing unit, operation dress
It sets, microprocessor, microcomputer or DSP (Digital Signal Processor) etc..Display device 63 is liquid crystal
Showing device, organic EL (Electro-Luminescence) display device etc..
The function of display unit 9 can be and being read and executed by processor 62 in the computer program that memory 61 stores
Display device 63 is controlled, is achieved in.Program instruction reading part 3, performance of program amount calculation part 4, image reading unit 5,
Image feature amount calculation part 6, comparing part 8, the bad determining section 13 of processing, interpolation portion 11, motor control part 12, control data are special
The function of sign amount calculation part 15, reason determining section 14 and picture position calculation part 7 can be by being read and executed by processor 62
It is realized in the computer program that memory 61 stores.
Structure shown in above embodiment shows an example of the contents of the present invention, also can be with skill known in other
Art is combined, and can also omit, change a part of structure in no range for being detached from purport of the invention.
Label declaration
1,10,100 information processing unit, 2 processing programs, 3 program instruction reading parts, 4 performance of program amount calculation parts, 5 figures
As reading part, 6 image feature amount calculation parts, 7 picture position calculation parts, 8 comparing parts, 9 display units, 11 interpolation portions, 12 motor
Control unit, the 13 bad determining sections of processing, 14 reason determining sections, 15 control data characteristics amount calculation parts, 24 image datas, 31 processing
The processing program block of bad determination part, the edge of 32 workpieces, the edge of 33 machining shapes, 34 processing bad parts
Edge, 35 location of instruction, the 36 bad determining parts of processing, 40 image feature amounts, 41 performance of program amounts, 42 display pictures, 43 is real
The arrow of line, the arrow of 44 dotted lines, 50 the 1st examples, 51 the 2nd examples, 52 the 3rd examples, 53 cameras, 54 main shafts, 61 memories,
62 processors, 63 display devices.
Claims (10)
1. a kind of information processing unit, which is characterized in that
With bad determining section is processed, the bad determining section of the processing shoot to the workpiece after processing based on basis
To image data and the image feature amount that calculates, the processing bad part of the workpiece is determined, institute is based on
The performance of program amount stating image feature amount and being calculated according to the processing program for being processed to the workpiece is right
Description in the processing program has the part for the movement processed to the processing bad part to be determined.
2. information processing unit according to claim 1, which is characterized in that also include
Performance of program amount calculation part, parses the processing program and calculates described program characteristic quantity；
Image feature amount calculation part parses described image data and calculates described image characteristic quantity；And
Comparing part compares described program characteristic quantity and described image characteristic quantity, makes described in described image data
The part of workpiece has the part of the processing program for the movement processed to the part corresponding with description.
3. information processing unit according to claim 1 or 2, which is characterized in that also include
Data characteristics amount calculation part is controlled, control data characteristics amount is calculated, which is to execute
When the processing program, the conveying device for changing the relative position of the workpiece and process tool is inputted
Control data characteristic quantity；And
Reason determining section, the described image characteristic quantity based on the control data characteristics amount and the processing bad part are right
Undesirable occurrence cause is processed to be determined.
4. information processing unit according to claim 3, which is characterized in that
The reason determining section compares the control data characteristics amount and described image characteristic quantity, makes described image data
In the workpiece part it is corresponding with the control data for being processed to the part, it is described to becoming
The control data for processing undesirable occurrence cause are determined.
5. information processing unit according to claim 3 or 4, which is characterized in that
The reason determining section is based on the control data characteristics amount and carries out to for releasing the undesirable processing conditions of processing
It calculates, is generated according to the processing conditions for releasing the undesirable control data of processing.
6. information processing unit according to any one of claim 1 to 5, which is characterized in that
Also there is display unit, the display unit is in described image data overlap described image characteristic quantity and the bad portion of processing
Point location information picture or described program characteristic quantity be overlapped it is described processing bad part location information picture
In at least any one shown.
7. information processing unit according to claim 6, which is characterized in that
The display unit and the shooting angle of the described image data relative to the workpiece match, by described program
Characteristic quantity or control data characteristics amount are projected on described image data and are shown, which is to hold
Gone the processing program when to the characteristic quantity for the control data for making the conveying device input of relative position variation.
8. information processing unit according to any one of claim 1 to 7, which is characterized in that
Also there is picture position calculation part, the picture position calculation part is based on the camera shot to described image data
Location information and focus information are determined the position in the workpiece of described image data.
9. a kind of bad determining method of processing is the processing bad side that is determined of the information processing unit to workpiece
Method,
The bad determining method of the processing is characterized in that, includes following step:
The step of obtaining according to the performance of program amount for being used to calculate the processing program that the workpiece is processed；
It obtains according to the image feature amount calculated the image data that the workpiece after processing is shot
The step of；
Based on described image characteristic quantity, the step of being determined to the processing bad part of the workpiece；And
Based on described program characteristic quantity and described image characteristic quantity, have to the description in the processing program bad to the processing
The part for the movement that part is processed is determined.
10. the bad determining method of processing according to claim 9, which is characterized in that
The step of also including acquirement described image data,
When being shot to described image data, camera and the workpiece that described image data are shot
Distance be restricted to it is longer than the focal length of the camera.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/JP2017/021000 WO2018225159A1 (en) | 2017-06-06 | 2017-06-06 | Information processing device and machining defect identification method |
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| CN110087828A true CN110087828A (en) | 2019-08-02 |
| CN110087828B CN110087828B (en) | 2020-09-08 |
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| JP6677706B2 (en) | 2017-12-27 | 2020-04-08 | ファナック株式会社 | Link information generation device, link information generation method, and link information generation program |
| JP7060535B2 (en) * | 2019-02-27 | 2022-04-26 | ファナック株式会社 | Machine tool machining defect occurrence prediction system |
| JP7396857B2 (en) | 2019-11-01 | 2023-12-12 | ファナック株式会社 | display device |
| WO2021149646A1 (en) * | 2020-01-22 | 2021-07-29 | ファナック株式会社 | Image analyzing device, control device, mechanical system, image analysis method, and computer program for image analysis |
| CN116802571A (en) * | 2021-01-12 | 2023-09-22 | 发那科株式会社 | Display device |
| JP2022187256A (en) * | 2021-06-07 | 2022-12-19 | 株式会社キャプテン インダストリーズ | Abnormality detection device of machine tool using video camera |
| DE112022006320T5 (en) * | 2022-01-06 | 2024-11-14 | Mitsubishi Electric Corporation | MACHINING DEFECTS ANALYSIS DEVICE, MACHINING SYSTEM, MACHINING DEFECTS ANALYSIS METHOD AND MACHINING METHOD |
| JP7135225B1 (en) * | 2022-01-25 | 2022-09-12 | Dmg森精機株式会社 | Machine tool, control method and control program |
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| JPH10133728A (en) * | 1996-10-30 | 1998-05-22 | Amada Co Ltd | Automatic feedback device for product inspection data, and automatic program correcting method using the same device |
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| JPWO2018225159A1 (en) | 2019-06-27 |
| WO2018225159A1 (en) | 2018-12-13 |
| JP6366875B1 (en) | 2018-08-01 |
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