CN108008699A - Machining path arithmetic unit, machining path operation method - Google Patents
Machining path arithmetic unit, machining path operation method Download PDFInfo
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- CN108008699A CN108008699A CN201711031419.3A CN201711031419A CN108008699A CN 108008699 A CN108008699 A CN 108008699A CN 201711031419 A CN201711031419 A CN 201711031419A CN 108008699 A CN108008699 A CN 108008699A
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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
- G05B19/406—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 monitoring or safety
- G05B19/4068—Verifying part programme on screen, by drawing or other means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
A kind of machining path arithmetic unit for the machining path for being used to be processed workpiece the present invention relates to computing, machining path operation method.The machining path that the multiple instruction point of position of the machining path arithmetic unit based on instruction main shaft is used to be processed workpiece come computing.Machining path arithmetic unit possesses：Configuration part, it sets the evaluation section intersected with machining path；Intersection point operational part, the evaluation section and the intersection point of machining path that its computing is set by configuration part；Characteristic quantity operational part, it is on the intersection point calculated by intersection point operational part, the characteristic quantity of the concavo-convex state of the first area of the workpiece surface after computing expression processing；First generating unit, it generates the first view data of first area based on the characteristic quantity calculated by characteristic quantity operational part；And second generating unit, its accepted the second area being pointed in first area it is specified when, based on the characteristic quantity for the concavo-convex state for representing second area, to generate the second view data of first area.
Description
Technical field
A kind of machining path arithmetic unit for the machining path for being used to be processed workpiece the present invention relates to computing, processing
Method for route calculation.
Background technology
When lathe is processed workpiece, the machining path of arithmetic unit computing main shaft before the processing of workpiece, is based on
The machining path calculated carrys out the shape (model) of the workpiece after computing processing.Arithmetic unit (is painted based on view data to generate
System) model surface configuration.The arithmetic unit that Japanese patent gazette the 5666013rd will form a pixel on the surface of model
Compared with other pixels adjacent with a pixel, the change rate of normal vector is obtained, carrys out the change in the direction on computing surface
Rate.Arithmetic unit assigns color corresponding with the concavo-convex state on the change rate, that is, surface in the direction on surface to each pixel.Operation
Person can visual identity model surface the defects of.But when the least unit of change rate is big, i.e. the resolution ratio of change rate is big
When, operator is difficult to the small concavo-convex state of visual identity model surface.
The content of the invention
It is an object of the invention to provide a kind of processing road for the small concavo-convex state for being capable of visual identity model surface
Footpath arithmetic unit, machining path operation method.
The machining path arithmetic unit of technical solution 1 based on instruction main shaft position multiple instruction point come computing be used for pair
The machining path that workpiece is processed, the machining path arithmetic unit possess：Configuration part, its setting intersect with the machining path
Evaluation section；Intersection point operational part, the evaluation section and the intersection point of the machining path that its computing is set by the configuration part；Feature
Operational part is measured, it is on the intersection point calculated by the intersection point operational part, the first area of the workpiece surface after computing expression processing
Concavo-convex state characteristic quantity；First generating unit, it is described to generate based on the characteristic quantity calculated by this feature amount operational part
First view data of first area；Second generating unit, it is accepting the second area that is pointed in the first area
When specifying, based on the characteristic quantity for the concavo-convex state for representing the second area, to generate the second picture number of the first area
According to；And first display control unit, the second view data generated by second generating unit is shown in display unit by it.Processing
The machining path of first area is shown in by path arithmetic unit based on the characteristic quantity of the second area narrower and small than first area
Display unit, thus operator can visual identity in the first view data on the basis of the characteristic quantity by first area without Faxian
Small concavo-convex state in the second area shown.
The maximum of characteristic quantity of first generating unit based on first area of the machining path arithmetic unit of technical solution 2 and
Minimum value, to set color corresponding with each characteristic quantity of first area, based on set color, to generate first figure
As data, the maximum and minimum value of characteristic quantity of second generating unit based on second area, to set each spy with second area
The corresponding color of sign amount, based on set color, to generate the second view data.Based on secondth area narrower and small than first area
The maximum and minimum value of the characteristic quantity in domain, to each characteristic quantity setpoint color, therefore operator can visual identity with
Small concavo-convex state in the second area that can not be shown in the first view data on the basis of the characteristic quantity in one region.
The machining path arithmetic unit of technical solution 3 possesses：Intersection position correction unit, it by intersection point operational part to being calculated
The position of intersection point be corrected；Correction feature amount operational part, it is on the intersection point after being corrected by intersection position correction unit, computing
Represent the characteristic quantity of the concavo-convex state of the first area of the workpiece surface after processing；3rd generating unit, it is based on by correction feature
The characteristic quantity that amount operational part calculates, to generate the first image correcting data of first area；4th generating unit, it is accepting
The second area being pointed in first area it is specified when, the expression second area that is calculated based on correction feature amount operational part
The characteristic quantity of concavo-convex state, to generate the second image correcting data of first area；And second display control unit, it will be by institute
Second image correcting data for stating the generation of the 4th generating unit is shown in display unit.After machining path arithmetic unit is on correction
Intersection point, generate the first image correcting data of first area.Accepting the finger for the second area being pointed in first area
Periodically, machining path arithmetic unit generates the second of first area based on the characteristic quantity for representing the concavo-convex state in second area
Image correcting data.Since the correction of intersection point is reflected in view data, operator can visual identity consider correction
As a result concavo-convex state.
The maximum of 3rd characteristic quantity of the generating unit based on first area of the machining path arithmetic unit of technical solution 4 and
Minimum value, to set color corresponding with each characteristic quantity of first area, based on set color, to generate the first correction chart
As data.The maximum and minimum value of 4th characteristic quantity of the generating unit based on second area sets each feature with first area
Corresponding color is measured, based on set color, to generate the second image correcting data.On the intersection point after correction, the 4th life
Into the maximum and minimum value of characteristic quantity of the portion based on second area, to set face corresponding with each characteristic quantity of second area
Color.Maximum and minimum value based on the characteristic quantity of the second area narrower and small than first area come to each characteristic quantity setpoint color,
Therefore being capable of first picture number of the visual identity on the basis of the characteristic quantity by first area on the intersection point after correction, operator
Small concavo-convex state in the second area that can not be shown in.
Second display control unit of the machining path arithmetic unit of technical solution 5 is by the figure based on the first view data
As being abreast shown in display unit with the image based on the first image correcting data, by image and base based on the second view data
Display unit is abreast shown in the image of the second image correcting data.Due to by the image based on the first view data with being based on
The image of first image correcting data is abreast shown, therefore operator can be to the school on the basis of the characteristic quantity of first area
The concavo-convex state of just front and rear workpiece surface is compared.Since the image based on the second view data being corrected with being based on second
Before and after the image of view data abreast shows, therefore operator can be to the correction on the basis of the characteristic quantity of second area
The concavo-convex state of workpiece surface is compared.
Technical solution 6 is that a kind of multiple instruction point of the position based on instruction main shaft is used to be processed workpiece come computing
Machining path machining path operation method, the evaluation section that intersects with machining path of machining path operation method setting,
Evaluation section and the intersection point of the machining path set by computing, on the intersection point calculated, computing represents the work after processing
The characteristic quantity of the concavo-convex state of the first area on part surface, based on the characteristic quantity calculated, to generate the first figure of first area
As data, accepted the second area being pointed in first area it is specified when, based on the concavo-convex state for representing second area
Characteristic quantity generate the second view data of first area, second view data is shown in display unit.Machining path
Operation method represents the bumps of the first area of the workpiece surface after processing on evaluation section and the intersection point of machining path, computing
The characteristic quantity of state, generates the first view data corresponding with the characteristic quantity calculated.Specified in operator in first area
Second area when, machining path operation method based on represent second area concavo-convex state characteristic quantity, to generate the firstth area
The second view data in domain.Machining path operation method obtains the effect same with technical solution 1.
Technical solution 7 is a kind of machining path arithmetic unit, which possesses：Storage part, it is stored with base
Multiple instruction point in the position of instruction main shaft carrys out computing for the computer program for the machining path being processed to workpiece；With
And processor, it performs the computer program that stores in storage part, wherein, processor when performing computer program, setting and
The evaluation section that machining path intersects, evaluation section and the intersection point of the machining path set by computing, on what is calculated
Intersection point, computing represents the characteristic quantity of the concavo-convex state of the first area of the workpiece surface after processing, based on the characteristic quantity calculated,
To generate the first view data of first area, accepted the second area being pointed in first area it is specified when, be based on
Represent that the characteristic quantity of the concavo-convex state of second area generates the second view data of first area, the second view data is shown
In display unit.Processor represents the firstth area of the workpiece surface after processing on evaluation section and the intersection point of machining path, computing
The characteristic quantity of the concavo-convex state in domain, generates the first view data corresponding with the characteristic quantity calculated.Is specified in operator
During second area in one region, based on the characteristic quantity for the concavo-convex state for representing second area, to generate the in first area
Two view data.Machining path arithmetic unit is on the basis of the characteristic quantity of the second area narrower and small than first area, to generate
Two view data are simultaneously shown in display unit, therefore obtain the effect same with technical solution 1.
Brief description of the drawings
Fig. 1 is the stereogram for representing lathe.
Fig. 2 is the block diagram for the structure for representing control device.
Fig. 3 is the top view for representing machining path and evaluation section for workpiece.
Fig. 4 is the stereogram for representing the evaluation section for workpiece.
Fig. 5 is the schematic diagram for representing instruction point and the intersection point of evaluation section and machining path.
Fig. 6 is the concept map for representing intersection point table.
Fig. 7 is the explanatory drawin of the operation method for the characteristic quantity for illustrating the intersection point on computing evaluation section D.
Fig. 8 is the explanatory drawin for illustrating to evaluate the first bearing calibration of the intersection position on the D of section.
Fig. 9 is the explanatory drawin for illustrating to evaluate the second bearing calibration of the intersection position on section.
Figure 10 A are the explanatory drawins for the bearing calibration for illustrating instruction point.
Figure 10 B are the explanatory drawins for the bearing calibration for illustrating instruction point.
Figure 11 is the main view for the display unit for representing the concavo-convex state for showing workpiece shapes and workpiece surface after processing
Figure.
Figure 12 is the figure for representing color table.
Figure 13 is the front view of display unit when representing to have invoked program guide look.
Figure 14 is to represent to show workpiece shapes and workpiece table based on the first view data and the first image correcting data
The front view of the display unit of the concavo-convex state in face.
Figure 15 is the front view for the display unit for representing the state that display operates region designated button.
Figure 16 is the front view for the display unit for representing display second area.
Figure 17 is to represent to show workpiece shapes and workpiece table based on the second view data and the second image correcting data
The front view of the display unit of the concavo-convex state in face.
Figure 18 is the flow chart for illustrating to show the display processing of the concavo-convex state of workpiece shapes and workpiece surface.
Figure 19 is the figure for representing to be shown in the image of display unit when operating adjustment scale.
Embodiment
Illustrate the lathe of embodiment based on attached drawing.In the following description, using the upper bottom left shown in the arrow of figure
Before and after the right side.
As shown in Figure 1, lathe possesses the base station 1 of the rectangle extended in the longitudinal.Work holding portion thereof 3 is arranged at 1 top of base station
Front side.Work holding portion thereof 3 can be rotated around A axis and C axis.A axis is using left and right directions to be axial, and C axis is using above-below direction to be axial.
The supporting station 2 of supporting upright post 4 is arranged at the rear side on 1 top of base station.Y direction moving mechanism 10 is arranged at 2 top of supporting station, edge
Anteroposterior direction moves.Y direction moving mechanism 10 possess two tracks 11 extended in the longitudinal, Y-axis screw rod 12, Y-axis motor 13,
Bearing 14.Track 11 is arranged at the left side and right side on 2 top of supporting station.Y-axis screw rod 12 extends in the longitudinal, and is arranged at two tracks
Between 11.Bearing 14 is arranged at the front end and middle part (illustration omitted) of Y-axis screw rod 12.Y-axis motor 13 and Y-axis screw rod 12
Rearward end links.Nut (illustration omitted) is screwed by rolling element (illustration omitted) with Y-axis screw rod 12.Rolling element is for example
It is sphere.Multiple sliding parts 15 are so as to the mode slided is arranged at each track 11.Movable plate 16 and nut and sliding part 15
Top links.Movable plate 16 is horizontally extending.Y-axis screw rod 12 is rotated using the rotation of Y-axis motor 13, and nut is before and after
Direction is moved, and movable plate 16 moves along the longitudinal direction.X-axis moving mechanism 20 is arranged at 16 upper surface of movable plate, in left-right direction
Mobile column 4.X-axis moving mechanism 20 possesses two tracks 21, X-axis screw rod 22, X-axis motor 23 along left and right extension (with reference to figure
2), bearing 24.Track 21 is arranged at front side and the rear side of 16 upper surface of movable plate.X-axis screw rod 22 extends along left and right, is arranged at two
Between a track 21.In the left part of X-axis screw rod 22 and middle part (illustration omitted), bearing 24 is set.X-axis motor 23 and X-axis spiral shell
The right part of bar 22 links.Nut (illustration omitted) is screwed by rolling element (illustration omitted) with X-axis screw rod 22.It is multiple
Sliding part 26 is so as to the mode slided is arranged at each track 21.Column 4 links with the top of nut and sliding part 26.X-axis spiral shell
Bar 22 is rotated using the rotation of X-axis motor 23, and nut moves in left-right direction, and column 4 moves in left-right direction.Z axis moves
Mechanism 30 is arranged at the front surface of column 4, moves main tapping 5 along the vertical direction.Z axis moving mechanism 30 possesses what is vertically extended
Two tracks 31, Z axis screw rod 32, Z axis motor 33, bearing 34.Track 31 is arranged at the left side and right side of 4 front surface of column.Z axis
Screw rod 32 vertically extends, and is arranged between two tracks 31.Bearing 34 is arranged at bottom and the middle part of Z axis screw rod 32
(illustration omitted).Z axis motor 33 and the upper end of Z axis screw rod 32 link.Nut (illustration omitted) (saves sketch map by rolling element
Show) it is screwed with Z axis screw rod 32.Multiple sliding parts 35 are so as to the mode slided is arranged at each track 31.Main tapping 5 with
The anterior link of nut and sliding part 35.Z axis screw rod 32 is rotated using the rotation of Z axis motor 33, and nut moves along the vertical direction
Dynamic, main tapping 5 moves along the vertical direction.The main shaft 5a vertically extended is arranged in main tapping 5.Main shaft 5a is pivoted.It is main
Axis motor 6 is arranged at the upper end of main tapping 5.The bottom installation cutter of main shaft 5a.Main shaft 5a utilizes the rotation of spindle motor 6
To rotate, cutter rotation.Rotating cutter is carried out to be processed the workpiece W kept by work holding portion thereof 3 (with reference to Fig. 3).Machine
The standby cutter changing device (illustration omitted) for replacing cutter of bed accessory.Cutter changing device is to being contained in the knife of tool magazine (illustration omitted)
The cutter for having and being installed on main shaft 5a is replaced.As shown in Fig. 2, control device 50 (machining path arithmetic unit) possesses CPU
51st, storage part 52, RAM 53, input/output interface 54.Storage part 52 is the memory that can be rewritten, e.g. EPROM,
EEPROM etc..Control device 50 controls lathe based on the control program for being stored in storage part 52.Storage part 52 stores described later
Intersection point table, color table, path number i, instruction point Pk, point of intersection Si d, k final numbering etc. (d, i, k are natural numbers).Control device
50 can also possess the ROM for pre-saving control program.
When operator has carried out operation to operation portion 7, signal is input to input/output interface 54 from operation portion 7.Operation
Portion 7 is, for example, keyboard, button, touch panel etc..Input/output interface 54 exports signal to display unit 8.Display unit 8 is, for example, liquid
LCD panel, display character, figure, symbol etc..Control device 50 possess X-axis control circuit 55 corresponding with X-axis motor 23,
Servo amplifier 55a, differentiator 23b.X-axis motor 23 possesses encoder 23a.X-axis control circuit 55 is based on from CPU's 51
Instruction, servo amplifier 55a is output to by the order for representing the magnitude of current.Servo amplifier 55a receives the order, to X-axis horse
Up to 23 output driving currents.Encoder 23a is to 55 outgoing position feedback signal of X-axis control circuit.X-axis control circuit 55 is based on position
Put the feedback control that feedback signal carrys out execution position.Encoder 23a is to differentiator 23b outgoing position feedback signals, differentiator 23b
Position feed back signal is transformed to feedback speed signal, and feedback speed signal is output to X-axis control circuit 55.X-axis controls
Circuit 55 performs the feedback control of speed based on feedback speed signal.
Current detector 55b detects the value by the servo amplifier 55a driving currents exported, and the value of driving current is fed back
To X-axis control circuit 55.X-axis control circuit 55 performs current control based on the value of driving current.Control device 50 possesses and Y
The corresponding Y-axis control circuit 56 of axis motor 13, servo amplifier 56a, differentiator 13b, current detector 56b, Y-axis motor 13 have
Standby encoder 13a.Y-axis control circuit 56, servo amplifier 56a, differentiator 13b, Y-axis motor 13, encoder 13a, electric current inspection
Survey device 56b is identical with X-axis, and the description thereof will be omitted.Control device 50 possesses Z axis control circuit 57 corresponding with Z axis motor 33, watches
Take amplifier 57a, current detector 57b, differentiator 33b.Z axis motor 33 possesses encoder 33a.Z axis control circuit 57, servo
Amplifier 57a, differentiator 33b, Z axis motor 33, encoder 33a, current detector 57b are identical with X-axis, and the description thereof will be omitted.
Control device 50 performs and the same feedback control of X-axis motor 23 spindle motor 6.
Lathe possesses tool magazine motor 60, tool magazine control circuit 58.Tool magazine is driven (to omit using the rotation of tool magazine motor 60
Diagram).Rotation of the tool magazine control circuit 58 to tool magazine motor 60 is controlled.Storage part 52 stores what workpiece W was processed
Processing program.Processing program has the multiple instruction point P of the position of instruction main shaft 5ak.K represents to form the order of processing program
Sequentially.Main shaft 5a is based on multiple instruction point PkTo move, the cutter for being installed on main shaft 5a is processed workpiece W (with reference to Fig. 3).
As shown in figure 5, storage part 52 prestores instruction point Pk.As shown in figure 3, control device 50 is based on multiple instruction point PkTo set
The path (machining path α) of main shaft 5a movements.Control device 50 performs the movement of main shaft 5a based on machining path α.Illustrate to add
The setting method of work path α.X-direction in Fig. 3, Fig. 4 represents left and right directions, and Y-direction represents anteroposterior direction, on Z-direction represents
Lower direction, the shape after the shape representation processing of workpiece W.Control device 50 sets workpiece W evaluation section Dd(d represents section
Numbering, is natural number).When main shaft 5a is moved back and forth mainly along X-direction, machining path α is road along the X direction
Footpath.Control device 50 sets multiple evaluation section D along the direction being substantially orthogonal with machining path αd.Multiple evaluation sections exist
Arranged in X-direction.In addition, operator indicates that machining path α is X-direction in advance.
The i (i is natural number) of Fig. 5 and Fig. 6 represents the path number in the X-direction movement of main shaft 5a.As shown in figure 5, example
The path that path representation such as path number 1 (i=1) moves from left to right, the path representation of path number 2 (i=2) is by path
The path of numbering 1 is in the path that right end turns back and moves from right to left.After path number 3 similarly.Main shaft 5a is compiled by path
Number order movement.● represent instruction point, zero represents evaluation section DdWith the intersection point of machining path α.Arrow represents machining path α
Direct of travel.As shown in fig. 6, section D is respectively evaluated in 50 computing of control devicedWith mobile route Pk-Pk+1Point of intersection Si d, by road
Number in footpathi, point of intersection Si dCoordinate (X-coordinate, Y-coordinate and Z coordinate), mobile route Pk-Pk+1Accordingly it is stored in intersection point table
In.X-coordinate is the coordinate of X-direction, and Y-coordinate is the coordinate of Y-direction, and Z coordinate is the coordinate of Z-direction.Control device 50 is for example sharp
Evaluation section D is obtained with the first operation methoddOn intersection point characteristic quantity.As shown in fig. 7, control device 50 is used as fortune
The point of intersection S of the object of calculationi dZ coordinate and positioned at point of intersection Si dAdjacent both sides point of intersection Si-1 dAnd point of intersection Si+1 dZ coordinate, come
Computing point of intersection Si dSecond differnce.Point of intersection Si-1 dZ coordinate be more than point of intersection Si dZ coordinate, point of intersection Si+1 dZ coordinate be less than intersection point
Si dZ coordinate.
50 computing point of intersection S of control devicei dZ coordinate zi dWith point of intersection Si+1 dZ coordinate zi+1 dDifference da(da=zi d-zi+1 d),
Union point of intersection Si-1 dCoordinate zi-1 dWith point of intersection Si dCoordinate zi dDifference db(db=zi-1 d-zi d).50 computing error d of control devicea
With poor dbDifference, that is, poor da- difference db(second differnce).Control device 50 is in addition to the intersection point positioned at the end in each evaluation section
Whole intersection point computing second differnces, are used as characteristic quantity.The bumps of workpiece surface after the size of the value of second differnce and processing
The size of state corresponds to.Control device 50 is for example using the first bearing calibration come to evaluating section DdOn intersection position carry out school
Just.As shown in figure 8, control device 50 is for example in a manner of gradually changing the coordinate of Z-direction, antinode position is corrected, for
Intersecting point coordinate S as the object of correctioni d, use front and rear each 2 points of intersecting point coordinate si-2 d、si-1 d、si+1 d、si+2 dTo determine school
T on schedulei d.By four intersecting point coordinate si-2 d、si-1 d、si+1 d、si+2 dEach Z coordinate value be set to zi-2、zi-1、zi+1、zi+2, will correct
Point ti dZ coordinate value be set to zi', the difference of Z coordinate value is set to d1=zi-2-zi-1、d2=zi-1-zi′、d3=zi′-zi+1、d4=
zi+1-zi+2.Computing is sent as an envoy to the second differnce d of Z coordinate value12′、d23′、d34' (the difference d of Z coordinate value1、d2、d3、d4Difference) it is linear
The z of ground changei′。
The second differnce d of Z coordinate value is obtained using following formula12′、d23′、d34′。
d12'=d2-d1=(zi-1-zi′)-(zi-2-zi-1)=2zi-1-zi′-zi-2…(1)
d23'=d3-d2=(zi′-zi+1)-(zi-1-zi')=2zi′-zi+1-zi-1…(2)
d34'=d4-d3=(zi+1-zi+2)-(zi′-zi+1)=2zi+1-zi+2-zi′…(3)
Since they linearly change, meet following formula.
d23'=(d12′+d34′)/2…(4)
When based on formula (1)~(4) come to zi' it is following formula when being solved.
zi'=(- zi-2+4zi-1+4zi+1-zi+2)/6
To evaluating section DdOn whole point of intersection Si dCarry out above-mentioned correction.Can also be only to the Z of Z coordinate value and other intersection points
Coordinate value is compared the intersection point significantly deviateed and is corrected.
Control device 50 is for example using the second bearing calibration come to evaluating section DdOn intersection position be corrected.Fig. 9
U equivalent to XY coordinates, v is equivalent to Z coordinate.As shown in figure 9, control device 50 is for example using the point of intersection S of calibration objecti dWeek
The other multiple intersection points enclosed make smooth curve (spline curve, Bezier, nurbs curve etc.), by calibration object
Point of intersection Si dProject on the curve.
Using four intersection point si-2 d、si-1 d、si+1 d、si+2 dDuring as smooth curve, section D is evaluateddIn (uv planes)
Section si-2 d~si-1 d, section si-1 d~si+1 d, section si+1 d~si+2 dRespective curvilinear style v1(u)、v2(u)、v3(u) be with
Under formula.
vj(u)=aj(u-uj)3+bj(u-uj)2+cj(u-uj)+dj
(j=1,2,3)
Based on through intersection point si-2 d、si-1 d、si+1 d、si+2 dAnd the first derivative at boundary point and second dervative are continuous, control
Device 50 processed can determine aj~dj。
The selection of four intersection points, which is not limited to the described above to use like that, is located at point of intersection Si dContinuous 2 points of adjacent both sides
Situation.Such as can also be such as intersection point si-3 d、si-1 d、si+1 d、si+3 dLike that, every two point selections, one friendship in a discontinuous manner
Point.
As shown in figure 9, check point ti dPosition is the point of intersection S with calibration object on smooth curvei dDistance is most
Small position.Below also by check point ti dReferred to as intersection point ti d.Such as computing intersection point t of control device 50i dSecond differnce be used as
Characteristic quantity after correction.
It will be present in d-th of evaluation section DdOn correction after intersection point group be set to Td。
Td={ ti d|d：Section is numbered, i：Path number }
Control device 50 uses intersection point group TdTo be corrected to the position of instruction point.The p of Figure 10 A and Figure 10 Ba~pfTable
Show instruction point.
Such as in instruction point pcFor calibration object when, as shown in Figure 10 A, instruction point pcPositioned at section Dd-1With section DdIt
Between, path number i.Control device 50 obtains and instruction point p with reference to foregoing intersection point tablecRelevant sectional position and path
Numbering.
As shown in Figure 10 B, the search of control device 50 is positioned at instruction point pcAround intersection point, such as on machining path α
Four intersection point t of arrangementi d+1、ti d、ti d-1、ti d-2.Control device 50 is based on four intersection point ti d+1、ti d、ti d-1、ti d-2To make
Smooth curve (spline curve, Bezier, nurbs curve etc.), will instruct point pcProject on the curve, to determine school
P on schedulec′.Control device 50 obtains smooth curve using the method same with the second above-mentioned bearing calibration.Check point pc′
Position be on smooth curve with instruct point pcThe position of distance minimum.Control device 50 is similarly to other fingers
The position of order point is corrected.
CPU 51 is aobvious the workpiece W-shape after processing and the concavo-convex state of workpiece W surface to be shown in based on processing program
Show portion 8.
As shown in figure 11, in the concavo-convex state of the workpiece W-shape after display is processed and workpiece W surface, display unit 8 is aobvious
Show：First display picture 81 of the concavo-convex state of workpiece W-shape and workpiece W surface before display correction；Work after display correction
Second display picture 82 of the concavo-convex state of part W-shape and workpiece W surface；For selecting the procedure selection button of processing program
83；Specify the region designated button 84 in region；Represent the concavo-convex scale 85 of the concavo-convex state of workpiece W surface；The concavo-convex scale of adjustment
The adjustment scale 86 of the scope of 85 scale；Make display reset button 87 of display reset etc..
First display picture 81 and the second display picture 82 or so are side by side.Concavo-convex scale 85 is configured at the first display picture 81
With the downside of the second display picture 82.Concavo-convex scale 85 possesses the color display unit 85f of the rectangle along left and right extension, minimum value is shown
Show portion 85a, the first median display unit 85b, median display unit 85c, the second median display unit 85d, maximum display unit
85e.Minimum value display unit 85a, the first median display unit 85b, median display unit 85c, the second median display unit 85d,
Maximum display unit 85e is configured at the downside of color display unit 85f, is in an initial condition empty column.Minimum value display unit 85a,
First median display unit 85b, median display unit 85c, the second median display unit 85d, maximum display unit 85e display rule
Determine between median between the maximum, minimum value, maxima and minima of the characteristic quantity in region, minimum value and median
The first median, the second median between maximum and median.
Storage part 52 saves colors table.As shown in figure 12, color table represents that characteristic quantity is (red with color-ratio：Green：It is blue
Color) correspondence.The color-ratio of the minimum value of characteristic quantity is 0：0：1, it is corresponding with blueness.The color-ratio of first median
For 0：1：1, it is corresponding with cyan.The color-ratio of median is 0：1：0, it is corresponding with green.The color-ratio of second median is
1：1：0, it is corresponding with yellow.The color-ratio of maximum is 1：0：0, it is corresponding with red.Between minimum value and the first median
Characteristic quantity is 0：0~1：1, it is corresponding with blueness~cyan.With the increase of characteristic quantity, increase green proportional linearity.First
Characteristic quantity between median and median is 0：1：1~0, it is corresponding with cyan~green.It is blue with the increase of characteristic quantity
Reduce proportional linearity.Characteristic quantity between median and the second median is 0~1：1：0, it is corresponding with green~yellow.With
The increase of characteristic quantity, increases red proportional linearity.Characteristic quantity between second median and maximum is 1：1~0：0, with
Yellow~red is corresponding.With the increase of characteristic quantity, reduce green proportional linearity.Color display unit 85f is shown and color
The corresponding color of table.Color display unit 85f is shown with minimum value display unit 85a, the first median display unit 85b, median
Portion 85c, the second median display unit 85d, the corresponding positions of maximum display unit 85e show blueness, cyan, green, Huang respectively
Color, red.Corresponding to the position between minimum value display unit 85a and the first median display unit 85b, with continuously from blueness
It is changed to the mode display color of cyan.Corresponding to the portion between the first median display unit 85b and median display unit 85c
Position, by continuously from cyan be changed to green in a manner of display color.Corresponding to median display unit 85c and the second median
Position between display unit 85d, by continuously from green be changed to yellow in a manner of display color.Corresponding to the second median
Position between display unit 85d and maximum display unit 85e, by continuously from yellow be changed to red in a manner of display color.
Adjustment scale 86 possesses for adjusting the adjustment part 86a of the minimum value used in concavo-convex scale 85 and maximum, representing by adjusting
The scope display unit 86b of the scope between minimum value and maximum after whole 86a adjustment.
As shown in figure 13, in the concavo-convex state of the workpiece W-shape after display is processed and workpiece W surface, operator is to behaviour
The procedure selection button 83 for making portion 7 is operated, caller guide look 90.Program guide look 90 possesses program display portion 91, correction
Preceding button 92, correction after button 93, correction before and after button 94, cancel button 95.Program display portion 91 shows one or more add
Engineering sequence.Operator is operable to operation portion 7 to select arbitrary processing program.Operator is to behaviour after processing program is selected
When making portion 7 and being operable to have selected button 92 before correction, CPU 51 identifies that the overall region of workpiece W is used as first area
R1, based on selected processing program come the characteristic quantity of the intersection point before the correction in the R1 of computing first area, by the work before correction
The concavo-convex state of part W-shape and workpiece W surface is shown in display unit 8.Namely based on the first of the workpiece W surface represented after processing
The characteristic quantity of the concavo-convex state of region R1, to generate the first view data in the R1 of first area.Make after processing program is selected
When dealer is operable to have selected button 93 after correction to operation portion 7, CPU 51 identifies that the overall region of workpiece W is used as the
One region R1, is corrected the intersection point before the correction in the R1 of first area based on selected processing program, computing correction
The characteristic quantity of intersection point afterwards, to generate the first image correcting data in the R1 of first area.CPU 51 is based on the first correction chart picture
Workpiece W-shape after correction and the concavo-convex state of workpiece W surface are shown in display unit 8 by data.After processing program is selected
When operator is operable to have selected button 94 before and after correction to operation portion 7, CPU 51 identifies the overall region of workpiece W to make
For first area R1, before the correction in the R1 of computing first area as described above and corrected based on selected processing program
The characteristic quantity of intersection point afterwards, generates the first view data and the first image correcting data, by the workpiece W-shape and workpiece before correction
The concavo-convex state of workpiece W-shape and workpiece W surface after the concavo-convex state of W surface and correction is abreast shown in the first display
81 and second display picture 82 of picture.When operator have selected cancel button 95, CPU 51 eliminates program guide look from display unit 8
90.CPU 51 identifies that the overall region of workpiece W is used as first area R1, but can also identify the area narrower and small than overall region
Domain is used as first area R1.
Illustrate situations below：Before and after operator after selecting processing program is operable to operation portion 7 to have selected correction
Button 94.CPU 51 obtains the minimum value and maximum of characteristic quantity, the first median of computing, second from selected processing program
Median and median.For example, computing is carried out as described below.
First median=minimum value+(maximum-minimum value)/4 ... (5)
Median=minimum value+(maximum-minimum value)/2 ... (6)
Second median=minimum value+3 (maximum-minimum value)/4 ... (7)
Minimum value and maximum are the minimum value and maximum before correction.Such as minimum value for -0.30547, maximum
For 0.34748 when, the first median, median, the second median be respectively -0.14223,0.02101,0.18423.Such as Figure 14
Shown, CPU 51 is shown in minimum value display unit 85a, the first median display unit 85b, median display unit 85c, the second median
Show and show -0.30547, -0.14223,0.02101,0.18423,0.34748 on portion 85d, maximum display unit 85e respectively.
CPU 51 makes color table (reference based on minimum value, maximum, the first median, median, the second median calculated
Figure 12), and storage part 52 is arrived in storage.As shown in figure 14, CPU 51 shows that the workpiece before correction is W-shaped in the first display picture 81
Shape, shows the workpiece W-shape after correction in the second display picture 82.The each several part of workpiece W before 51 computings of CPU correction
Characteristic quantity, with reference to the color table for being stored in storage part 52, by color corresponding with the characteristic quantity calculated in the first display picture
The part is shown in 81, to show the concavo-convex state of workpiece W surface.The characteristic quantity of each several part of workpiece W before correction and deposit
The color table for being stored in storage part 52 forms the first view data.That is, CPU 51 generates the first view data, based on the generated
One view data, the first display picture 81 is shown in by the concavo-convex state of workpiece W-shape and workpiece W surface.51 computing structures of CPU
Into the characteristic quantity of each several part of the workpiece W after correction, with reference to the color table for being stored in storage part 52, by with the characteristic quantity that calculates
Corresponding color is shown in the part in the second display picture 82, to show the concavo-convex state of workpiece W surface.Work after correction
The characteristic quantity of each several part of part W and color table the first image correcting data of composition for being stored in storage part 52.That is, CPU 51 is generated
First image correcting data, based on the first image correcting data generated, by the concavo-convex of workpiece W-shape and workpiece W surface
State is shown in the second display picture 82.For example, the workpiece W for being shown in the first display picture 81 has red area R, yellow area
Y, cyan areas C, blue region B, other regions are green area G.For example, it is shown in the workpiece W tools of the second display picture 82
There are yellow area Y, cyan areas C, other regions are green area G.That is, by correcting, by the characteristic quantity of red area R (most
Characteristic quantity near big value) characteristic quantity (characteristic quantity near the second median) of yellow area Y is changed to, by blue region B
Characteristic quantity (characteristic quantity near minimum value) be changed to the characteristic quantity (characteristic quantity near the first median) of cyan areas C.
Operator specifies the region of workpiece W as needed.As shown in figure 15, operator is operable to operating area to operation portion 7
Designated button 84.When operator operates region designated button 84, what 51 start regions of CPU were specified accepts.Such as Figure 16 institutes
Show, operator operates operation portion 7, specifies starting point S and end point E.CPU 51 is identified to connect starting point S with terminating
The line of point E is used as second area R2 for the region of cornerwise quadrangle, and second area R2 is shown in display unit 8.Second
Region R2 is located in the R1 of first area.As shown in figure 17, CPU 51 is on whole sampled point operating characteristics in second area R2
Amount, is set as the minimum value used in concavo-convex scale 85 in the characteristic quantity calculated by minimum characteristic quantity, by maximum
Characteristic quantity is set as the maximum used in concavo-convex scale 85.Minimum values of the CPU 51 based on the characteristic quantity in second area R2
With maximum and above-mentioned formula (5)~(7), to distinguish the first median of computing, median, the second median.Such as
The minimum value and maximum of characteristic quantity in two region R2 be respectively -0.10027,0.12430 when, the first median for -
0.04413, median 0.01202, the second median is 0.06816.Minimum value that CPU 51 makes to calculate, among first
Value, median, the second median, maximum are corresponding with blueness, cyan, green, yellow, red, to make color table, and store
To storage part 52 (with reference to Figure 12).
The characteristic quantity of each several part of workpiece W before correction and color table the second picture number of composition for being stored in storage part 52
According to.That is, CPU 51 is based on the characteristic quantity for representing the concavo-convex state in second area R2, in the first area R1 before generation correction
Second view data, based on the second view data generated, the first display picture is shown in by the shape of workpiece W and concavo-convex state
Face 81.As shown in figure 17, minimum value, the first median, median, the second median, maximum are shown in by CPU 51
Minimum value display unit 85a, the first median display unit 85b, median display unit 85c, the second median display unit 85d, maximum
It is worth display unit 85e.CPU 51 is by color corresponding with the characteristic quantity of each several part in the R1 of first area (in color display unit 85f
Color corresponding with characteristic quantity) in the first display picture 81 be shown in the part, to show the concavo-convex state of workpiece W.CPU
51 computings form the characteristic quantity of each several part of the workpiece W after correction, will be with calculating with reference to the color table for being stored in storage part 52
The corresponding color of characteristic quantity be shown in the part in the second display picture 82, to show the concavo-convex state of workpiece W surface.School
The characteristic quantity of each several part of workpiece W after just and color table the second image correcting data of composition for being stored in storage part 52.That is,
CPU 51 generates the second image correcting data, based on the second image correcting data generated, by workpiece W-shape and workpiece W tables
The concavo-convex state in face is shown in the second display picture 82.
When operator specifies second area R2, maximum and minimum value that CPU 51 will be set in concavo-convex scale 85
The maximum and minimum value of second area R2 are changed to from the maximum and minimum value of first area R1, generates the second view data
With the second image correcting data.CPU 51 is based on the second view data and the second image correcting data, and setting again is shown in work
The color of each several part of part W entirety.Before change maximum and minimum value, the second area R2 of the first display picture 81 is generally
Green area G (with reference to Figure 16), but after change maximum and minimum value, occur in second area R2 red area R and
Blue region B (with reference to Figure 17).When setting second area R2, based in the second area R2 narrower and small than first area R1
The maximum and minimum value of characteristic quantity, CPU 51 is to each characteristic quantity setpoint color, to generate the second view data.Therefore, operation
Person can using the second view data come visual identity in the first view data on the basis of the characteristic quantity of first area R1
Small concavo-convex state in the second area R2 that can not be shown.CPU 51 is represented based on the characteristic quantity of second area R2 to generate
Second image correcting data of workpiece W-shape and concavo-convex state after the correction of first area R1.As shown in figure 17,51 bases of CPU
In the second image correcting data, the workpiece W-shape after correction and the concavo-convex state of workpiece W surface are shown in the second display picture
82.In an initial condition, display unit 8 shows the image shown in Figure 11.As shown in figure 18, CPU 51 is determined whether by operating journey
Sequence select button 83 have invoked processing program (step S1).(the step S1 in never call processing program："No"), return processing
Return to step S1.(the step S1 when have invoked processing program："Yes"), program guide look 90 is shown in the (step of display unit 8 by CPU 51
Rapid S2, with reference to Figure 13).CPU 51 judges whether operator have selected the arbitrary processing program shown by program display portion 91
(step S3).(the step S3 in non-selected arbitrary processing program："No"), CPU 51 judges whether operator operates cancellation
Button 95 (step S5).(the step S5 when not operating cancel button 95："No"), CPU 51 makes processing return to step S3.
(step S5 when operating cancel button 95："Yes"), CPU 51 eliminates program from display unit 8 and has a guide look of 90 (step S6), makes processing
Back to step S1.(step S3 when have selected arbitrary processing program in step s3："Yes"), CPU 51 judges that operator is
It is no operate correction before button 92, correction after button 93 or correction before and after button 94 (step S4).In the non-operation adjustment of operator
Preceding button 92, correction after button 93 or correction before and after button 94 when (step S4："No"), CPU 51 makes processing enter step S5.
(the step S4 in button 94 before and after operator operates button 93 after button 92 before correction, correction or corrects："Yes"), CPU 51
Selected processing program (step S7) is read in, the characteristic quantity of computing workpiece W, makes color table and store to (the step of storage part 52
Rapid S8, with reference to Figure 12).Workpiece W-shape is shown in display unit 8 by CPU 51, will be with reference to the color table for being stored in storage part 52
The corresponding color of characteristic quantity of workpiece W shows the concavo-convex state (step that workpiece W surface on the workpiecew, is shown on display unit 8
Rapid S9：With reference to Figure 14).CPU 51 judges whether operator operates region designated button 84 to set starting point S and end point E
And perform region (second area R2) and specify (step S10).(the step S10 when performing region and specifying："Yes", with reference to figure
15th, 16), characteristic quantities of the CPU 51 based on second area R2 arrives storage part 52 (step S11) to make color table again and store,
Processing is set to return to step S9.In step s 9, CPU 51 is with reference to the feature based on second area R2 for being stored in storage part 52
The color table of amount, shows the workpiece W-shape of first area R1 and the concavo-convex state of workpiece W surface (with reference to Figure 17).It is being not carried out
(step S10 when region is specified："No"), 51 end of CPU processing.
As shown in figure 19, operator can operate adjustment scale 86 by operation portion 7, change in color table
Maximum or minimum value.Such as the length of the rectangle grown crosswise of the number value or range display unit 86b of adjustment part 86a is become
More, when the minimum value for adjusting scale 86 is changed to 25.0%, CPU 51 by minimum value originally plus maximum originally
25% obtained value (the first median i.e. originally) of the difference of value and minimum value is set as minimum value.As shown in figure 14, exist
Minimum value originally is -0.30547, and maximum originally is 0.34748, and the minimum value for adjusting scale 86 is changed to
When 25.0%, as shown in figure 19, minimum value is -0.14223 (the first median originally), and CPU 51 is recalculated among first
Value, median, the second median, remake color table.Operator is also capable of the maximum of change and adjustment scale 86.
On evaluation section and the intersection point of machining path α, computing represents after processing the control device of the lathe of embodiment
Workpiece W surface first area R1 concavo-convex state characteristic quantity, generate the first image corresponding with the characteristic quantity calculated
Data.When operator specifies the second area R2 in the R1 of first area, based on the concavo-convex state for representing second area R2
Characteristic quantity, to generate the second view data in the R1 of first area.Machining path arithmetic unit is with narrower and small than first area R1
On the basis of the characteristic quantity of second area R2, to generate the second view data.Second view data can be shown in first area
Small concavo-convex state in the second area R2 that can not be shown in the first view data on the basis of the characteristic quantity of R1.Control dress
The maximum based on the characteristic quantity of second area R2 and minimum value are put to make color table, is set and first based on the color table
The corresponding color of each characteristic quantity of region R1.Due to the maximum of the characteristic quantity based on the second area R2 narrower and small than first area R1
Value and minimum value are come to each characteristic quantity setpoint color, thus operator can visual identity using the characteristic quantity of first area R1 as
Small concavo-convex state in the second area R2 that can not be shown in first view data of benchmark.After CPU 51 is on correction
Intersection point, generates the first image correcting data in the R1 of first area.CPU 51 is based on the first image correcting data, and workpiece is W-shaped
The concavo-convex state of shape and workpiece W surface is shown in the second display picture 82.Accepted be pointed in the R1 of first area second
Region R2 it is specified when, CPU 51 generates the of first area R1 based on the characteristic quantity for the concavo-convex state for representing second area R2
Two image correcting datas.CPU 51 is based on the second image correcting data, and the concavo-convex state of workpiece W-shape and workpiece W surface is shown
It is shown in the second display picture 82.Since the correction of intersection point is reflected in the first image correcting data, the second image correcting data, because
This operator can visual identity consider correction result concavo-convex state.On the intersection point after correction, control device 50 is based on
The maximum and minimum value of the characteristic quantity of second area R2, to set color corresponding with each characteristic quantity of first area R1.By
In the characteristic quantity based on the second area R2 narrower and small than first area R1 maximum and minimum value come to each characteristic quantity set face
Color, therefore on the intersection point after correction, operator can visual identity in first on the basis of the characteristic quantity of first area R1
Small concavo-convex state in the second area R2 that can not be shown in view data.By based on the characteristic quantity according to first area R1
The image of view data (the first view data) before the correction of generation with based on being generated according to the characteristic quantity of first area R1
The image of view data (the first image correcting data) after correction is abreast shown in the first display picture 81 and the second display
Picture 82, therefore operator can be to the bumps of the workpiece W surface on the basis of correcting the characteristic quantity of front and rear first area R1
State is compared.By based on the view data (the second view data) before the correction generated according to the characteristic quantity of second area R2
Image with based on the view data (the second image correcting data) after the correction generated according to the characteristic quantity of second area R2
Image is abreast shown in the first display picture 81 and the second display picture 82, therefore operator can be to correct front and rear the
The concavo-convex state of workpiece W surface on the basis of the characteristic quantity of two region R2 is compared.
The second area R2 of embodiment is area of the line as cornerwise quadrangle to connect starting point S and end point E
Domain, but when starting point S or end point E is located at outside the R1 of first area, can also be by connect starting point S and end point E's
Line is set to second area R2 for the region for being contained in first area R1 in the region of cornerwise quadrangle.
Claims (7)
1. a kind of machining path arithmetic unit (50), the multiple instruction point of the position based on instruction main shaft (5a) is used for pair come computing
The machining path that workpiece is processed, the machining path arithmetic unit possess：
Configuration part, it sets the evaluation section intersected with the machining path；
Intersection point operational part, the evaluation section and the intersection point of the machining path that its computing is set by the configuration part；
Characteristic quantity operational part, it is on the intersection point calculated by the intersection point operational part, the workpiece surface after computing expression processing
First area concavo-convex state characteristic quantity；
First generating unit, it is based on the characteristic quantity calculated by the characteristic quantity operational part, to generate the of the first area
One view data；
Second generating unit, its accepted the second area being pointed in the first area it is specified when, based on described in expression
The characteristic quantity of the concavo-convex state of second area, to generate the second view data of the first area；And
First display control unit, the second view data generated by second generating unit is shown in display unit by it.
2. machining path arithmetic unit according to claim 1, it is characterised in that
The maximum and minimum value of the characteristic quantity of first generating unit based on the first area, to set and firstth area
The corresponding color of each characteristic quantity in domain, based on set color, to generate described first image data,
The maximum and minimum value of the characteristic quantity of second generating unit based on the second area, to set and secondth area
The corresponding color of each characteristic quantity in domain, based on set color, to generate second view data.
3. machining path arithmetic unit according to claim 1 or 2, it is characterised in that possess：
Intersection position correction unit, the position of its intersection point to being calculated by the intersection point operational part are corrected；
Correction feature amount operational part, on the intersection point after being corrected by the intersection position correction unit, computing is represented after processing for it
The characteristic quantity of the concavo-convex state of the first area of workpiece surface；
3rd generating unit, it is based on the characteristic quantity calculated by the correction feature amount operational part, to generate the first area
The first image correcting data；
4th generating unit, its accepted the second area being pointed in the first area it is specified when, based on the correction
The characteristic quantity of the concavo-convex state for the expression second area that characteristic quantity operational part calculates, to generate the of the first area
Two image correcting datas；And
Second display control unit, second image correcting data generated by the 4th generating unit is shown in display by it
Portion.
4. machining path arithmetic unit according to claim 3, it is characterised in that
The maximum and minimum value of the characteristic quantity of 3rd generating unit based on the first area, to set and firstth area
The corresponding color of each characteristic quantity in domain, based on set color, to generate first image correcting data,
The maximum and minimum value of the characteristic quantity of 4th generating unit based on the second area, to set and secondth area
The corresponding color of each characteristic quantity in domain, based on set color, to generate second image correcting data.
5. machining path arithmetic unit according to claim 3, it is characterised in that
Second display control unit is by the image based on described first image data and is based on first image correcting data
Image be abreast shown in display unit, by the image based on second view data with based on described second correction picture number
According to image be abreast shown in display unit.
6. a kind of machining path operation method, the multiple instruction point of the position based on instruction main shaft (5a) is used for workpiece come computing
The machining path being processed, the machining path operation method include：
The evaluation section intersected with the machining path is set,
Evaluation section and the intersection point of the machining path set by computing,
On the intersection point calculated, computing represents the characteristic quantity of the concavo-convex state of the first area of the workpiece surface after processing,
Based on the characteristic quantity calculated, to generate the first view data of the first area,
Accepted the second area being pointed in the first area it is specified when, based on the bumps for representing the second area
The characteristic quantity of state generates the second view data of the first area, and second view data is shown in display unit.
7. a kind of machining path arithmetic unit (50), possesses：Storage part (52), it is stored with the position based on instruction main shaft (5a)
Multiple instruction point carry out the computer program of machining path that computing is used to be processed workpiece；And processor (51), its
The computer program stored in the storage part is performed,
Wherein, the processor is when performing the computer program,
The evaluation section intersected with the machining path is set,
Evaluation section and the intersection point of the machining path set by computing,
On the intersection point calculated, computing represents the characteristic quantity of the concavo-convex state of the first area of the workpiece surface after processing,
Based on the characteristic quantity calculated, to generate the first view data of the first area,
Accepted the second area being pointed in the first area it is specified when, based on the bumps for representing the second area
The characteristic quantity of state generates the second view data of the first area, and second view data is shown in display unit.
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| CN108008699B (en) | 2020-03-03 |
| JP6943556B2 (en) | 2021-10-06 |
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