CN104181864A - Intelligent engraving machine and full-automatic numerical control engraving method - Google Patents

Intelligent engraving machine and full-automatic numerical control engraving method Download PDF

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CN104181864A
CN104181864A CN201310188106.4A CN201310188106A CN104181864A CN 104181864 A CN104181864 A CN 104181864A CN 201310188106 A CN201310188106 A CN 201310188106A CN 104181864 A CN104181864 A CN 104181864A
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cutter
curved surface
centerdot
point
parameter
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CN104181864B (en
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段明利
宋永锋
吴笑天
欧作曙
甘汨
钟志成
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GUANGZHOU CENTER AUTOMATION CONTROL TECHNOLOGY Co Ltd
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GUANGZHOU CENTER AUTOMATION CONTROL TECHNOLOGY Co Ltd
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Abstract

The invention provides an intelligent engraving machine which comprises the components of: a frame, a worktable, an actuating mechanism, a cutter, a CNC control system and a water cooling system. The actuating mechanism is mounted on the frame. The cutter is mounted on the actuating mechanism. The worktable is arranged below the actuating mechanism. The intelligent engraving machine further comprises a computer control system and a three-dimensional scanner which is used for acquiring a change track of an object curve surface. The three-dimensional scanner and the CNC control system are respectively connected with the computer control system electrically. The computer control system drives the actuating mechanism and the water cooling system to operate through an outer IO control interface. The computer control system performs pattern matching and automatic control for other parts. The intelligent engraving machine has functions of: automatically adapting for a scanned object image, realizing no requirement for manual object measurement, quickly establishing a machining model, improving operation efficiency, shortening machining period and reducing labor cost.

Description

Intelligent carving machine and full-automatic numerical control engraving process
Technical field
The present invention relates to engraving machine and Carving Machining method.
Background technology
Now there are two kinds of main ways in more common engraving machine market on the market: a kind of is design and the engraving of industrial mould; Another is design and the engraving of workmanship.
Design and the Carving Machining process of industry Design of Dies are to carry out Design of Dies by professional Design of Dies personnel by special designing softwares such as PRO/E, CAXA, SOLIDWORDS, MasterCAM, generating G code file by CNC technician, import to CNC machining center and process, process needs manual operation and changes cutter.The design of mould and CNC engraving need respectively two technical professionals to participate in, and also need two cover softwares and different equipment.Cause the more personnel of enterprise's needs, and because personnel's communication and the different operating of level of skill get up more time-consumingly, efficiency is not high.
The design of handicraft and engraving general technical content will be higher than the design of mould and engravings, first carried out the moulding of object by professional artistic design expert, again by the imitative figure of finishing impression software, then regeneration processed file, machined by numerical controlled carving, this process need 2-3 professional personnel participate in, moulding in kind will be by manually measuring, imitative figure needs in conjunction with the parameter designing of measuring, thereby need 2-3 cover softwares in conjunction with realizing, the cost of present various graphical design softwares is also higher, and operation also needs professional librarian use.Design and profiling process are also very complicated, very long.
In addition, for the Tool Control of three-dimensional processing, need to carry out writing of control program for concrete cutter parameters, for the actual curved surface that will process may not adopt the cutter of special parameter just cannot process or processing effect poor, now need again again to write control program, therefore control program must just can be write after the data full confirmation of curved surface to be processed is good, and the actual process-cycle is further extended.
Summary of the invention
For above-mentioned prior art deficiency, the technical problem to be solved in the present invention is to provide a kind of intelligent carving machine of robotization, can effectively mate sample, draws dummy model pattern, controls cutter and processes.For solving the problems of the technologies described above, the technical solution used in the present invention is: intelligent carving machine, comprises frame, worktable, topworks, cutter, CNC control system and water-cooling system; Topworks is arranged in frame, and Cutting tool installation manner is in topworks, and worktable is positioned at topworks below; Also comprise computer control system and for obtaining the spatial digitizer of object curved surface variation track; Spatial digitizer and CNC control system are all electrically connected with computer control system; Computer control system drives topworks and water-cooling system work by exterior I O control interface;
Computer control system also for: set up surface model and represent with equation; Read the data of object curved surface variation track from spatial digitizer; Point on curved surface variation track is carried out to parametrization, 1 p on curved surface variation track kparameter be (u k, v k), the point set forming is P={p k; K=1,2,3...n}, draws the parametric surface S=S (u, v) that approaches this point set P; To each some p of this parameterized curved surface k, with parameter replace parameter (u k, v k) carry out optimizing parameter values; The point set that point corresponding to parameter value after optimizing formed is divided into some parts and mates with surface model respectively, draws the equation of curved surface to be processed, and the point on the equation of curved surface to be processed is point of contact to be processed; The cutter of controlling in topworks processes curved surface to be processed according to the equation of curved surface to be processed.The products in kind designing is directly scanned by spatial digitizer, and there is computer control system coupling to draw the equation of curved surface to be processed, shorten the process-cycle, and remove the inefficient problem of communication causing because of the professional in Entity measurement and two fields of two operations needs of curved surface modeling to be processed from.
Further technical scheme is, computer control system also for: parameter press following formula (1) or formula (2) to parameter (u k, v k) replace formula (1):
u ^ k v ^ k = S u 2 S u · S v S u · S v S v 2 - 1 ( p k - S ( u k , v k ) ) · S u ( p k - S ( u k , v k ) ) · S v + u k v k ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located; Formula (2):
S u 2 - S uu · ( P - S ) S u S v - S uv · ( P - S ) S u S v - S uv · ( P - S ) S v 2 - S vv · ( P - S ) u ^ k - u k v ^ k - v k = S u · ( p k - S ) S v · ( p k - S ) ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located, S uu, S uv, S vvrepresent that curved surface S is (u at parameter value k, v k) second-order partial differential coefficient located;
Repeatedly call formula (1) or formula (2) until converge on a bit, draw the point set that point corresponding to parameter value after optimization forms.
Further technical scheme is, described computer control system also for: control topworks while carrying out incised work, cutter working trajectory carried out to three-dimensional cutter radius compensation calculating; When three-dimensional cutter radius compensation calculates, the cutter heart of cutter and the relation of work surface point of contact meet formula group (3):
x 0 = x p + n x R 1 + n x n x 2 + n y 2 ( R - R 1 ) ,
y 0 = y p + n y R 1 + n y n x 2 + n y 2 ( R - R 1 ) ,
z 0＝z p+n zR 1；
Wherein, (x p, y p, z p) be the coordinate of point of contact, (n x, n y, n z) be the unit normal vector of point of contact, (x 0, y 0, z 0) be the coordinate of the cutter heart of cutter; R is the radius of the blade of cutter, R 1for the radius of the cutting edge of cutter.Can be without considering type and the radius parameter of cutter when such scheme makes to write control program, directly by computer control system, original control program is carried out to radius compensation calculating man-hour adding, shorten the process-cycle.
Further technical scheme is, is also provided with mobilizable capstan head in frame, and capstan head is provided with multiple cutter stations, and each cutter station is all placed different cutters; Computer control system also for: calculate required tool type and parameter by point of contact set surface equation; Drive capstan head motion by exterior I O control interface, and control topworks's motion, required cutter is installed on the main shaft of topworks from the cutter station of capstan head.Such scheme makes the selection of cutter and changes can Auto-matching, reduces the degree of dependence to artificial experience, removes artificial tool changing operation from, further shortens the process-cycle.
Preferably, described CNC control system is CNC digital control processing control card.Such scheme can directly be processed instruction to topworks by computer control system output, and CNC control system, topworks, in the time of the hardware parameter of invocation facility, can carry out man-machine interaction simulation shows by computer control system.
The invention allows for a kind of full-automatic numerical control processing engraving process, comprise
Step 1: in computing machine, set up surface model, and by the Representation Equation;
Step 2: spatial digitizer scans object, obtains object curved surface variation track;
Step 3: the point on object curved surface variation track is carried out to parametrization, 1 p on curved surface variation track kparameter be (u k, v k), the point set forming is P={p k; K=1,2,3...n}, draws the parametric surface S=S (u, v) that approaches this point set P;
Step 4: to each some p of this parameterized curved surface k, with parameter replace parameter (u k, v k) carry out optimizing parameter values;
Step 5: the point set that point corresponding to parameter value after optimizing formed is divided into some parts and mates with surface model respectively, draws the equation of curved surface to be processed, and the point on the equation of curved surface to be processed is point of contact to be processed;
Step 6: the work of computer control topworks makes cutter carve curved surface to be processed.
Further technical scheme is that described step 4 is specially: parameter press following formula (1) or formula (2) to parameter (u k, v k) replace formula (1):
u ^ k v ^ k = S u 2 S u · S v S u · S v S v 2 - 1 ( p k - S ( u k , v k ) ) · S u ( p k - S ( u k , v k ) ) · S v + u k v k ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located; Formula (2):
S u 2 - S uu · ( P - S ) S u S v - S uv · ( P - S ) S u S v - S uv · ( P - S ) S v 2 - S vv · ( P - S ) u ^ k - u k v ^ k - v k = S u · ( p k - S ) S v · ( p k - S ) ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located, S uu, S uv, S vvrepresent that curved surface S is (u at parameter value k, v k) second-order partial differential coefficient located;
Repeatedly call formula (1) or formula (2) until converge on a bit, draw the point set that point corresponding to parameter value after optimization forms.
Further technical scheme is, in described step 6, computing machine is also carried out three-dimensional cutter radius compensation and calculated, and when three-dimensional cutter radius compensation calculates, the cutter heart of cutter and the relation of work surface point of contact meet formula group (3):
x 0 = x p + n x R 1 + n x n x 2 + n y 2 ( R - R 1 ) ,
y 0 = y p + n y R 1 + n y n x 2 + n y 2 ( R - R 1 ) ,
z 0＝z p+n zR 1；
Wherein, (x p, y p, z p) be the coordinate of point of contact, (n x, n y, n z) be the unit normal vector of point of contact, (x 0, y 0, z 0) be the coordinate of the cutter heart of cutter; R is the radius of the blade of cutter, R 1for the radius of the cutting edge of cutter.
Further technical scheme is, in described step 6, carries out before cutter incised work, also carries out cutter Auto-matching and changes operation, is specially: the cutter of dissimilar or different radii is placed in to assigned address; Computing machine matches type or the radius of required cutter by the equation of curved surface to be processed, control topworks and move to the assigned address of required cutter, this required Cutting tool installation manner in topworks.
Beneficial effect of the present invention is: remove manual measurement material object from, Rapid Establishment processing model, increases work efficiency, and shortens the process-cycle, reduces human cost.
Brief description of the drawings
Fig. 1 is the structural representation of intelligent carving machine of the present invention.
Fig. 2 is the control mode schematic diagram of intelligent carving machine of the present invention.
Fig. 3 is the cutter structure schematic diagram of intelligent carving machine of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is done further and described in detail.
As depicted in figs. 1 and 2, intelligent carving machine of the present invention, comprises frame 1, worktable 11, topworks 2, cutter 21, CNC control system 12 and water-cooling system 13; Topworks 2 is arranged in frame 1, and cutter 21 is arranged in topworks 2, and worktable 11 is positioned at topworks 2 belows; Also comprise computer control system 4 and for obtaining the spatial digitizer 41 of object curved surface variation track; Spatial digitizer 41 and CNC control system 12 are all electrically connected with computer control system 4; Computer control system 4 drives topworks 2 and water-cooling system 13 to work by exterior I O control interface 42; In frame 1, be also provided with mobilizable capstan head 14, capstan head 14 is provided with multiple cutter stations 15, each cutter station 15 is all for placing different cutters 21, computer control system 4 controls topworks 2 simultaneously and capstan head 14 moves, and makes the cutter changing of cutter station 15 or is mounted on the main shaft of topworks 2; In the present embodiment, capstan head 14 is the forms that adopt disk, can rotate around the center of circle, makes the main shaft of different cutter stations 15 near topworks 2 after rotation; Also can adopt other forms, for example screw mandrel coordinates with motor moves toolsmith's bit position, or cutter station inertia and directly make its main axle moving to fixing cutter station by topworks 2.Topworks 2 adopts common screw mandrel and servomotor operation form, can be also to use other three-dimensional move modes, and the concrete form of topworks is not technological improvement main points of the present invention, repeats no more as space is limited.
Computer control system 4 also for: set up surface model and represent with equation, the present embodiment mean camber model adopts quadric surface as basic model, in industrial design, most of object profiles can be by multiple dissimilar quadric surfaces, such as ellipsoid, hyperboloid etc., remove respectively to mate the different parts of object, can certainly adopt the curved surface of other types as basic model;
Read the data of object curved surface variation track from spatial digitizer 41; Point on curved surface variation track is carried out to parametrization, each point is set up to coordinate data etc., 1 p on curved surface variation track kparameter be (u k, v k), the parameter here only needs for data processing, might not need to have the physical quantity of actual physics meaning, and the point set forming is P={p k; K=1,2,3...n}, draws the parametric surface S=S (u, v) that approaches this point set P, this parametric surface is only the parametric surface of rough approximation;
To each some p of this parameterized curved surface k, with parameter replace parameter (u k, v k) carry out optimizing parameter values, wherein, parameter press following formula (1) or formula (2) to parameter (u k, v k) replace formula (1):
u ^ k v ^ k = S u 2 S u · S v S u · S v S v 2 - 1 ( p k - S ( u k , v k ) ) · S u ( p k - S ( u k , v k ) ) · S v + u k v k ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located;
Formula (2):
S u 2 - S uu · ( P - S ) S u S v - S uv · ( P - S ) S u S v - S uv · ( P - S ) S v 2 - S vv · ( P - S ) u ^ k - u k v ^ k - v k = S u · ( p k - S ) S v · ( p k - S ) ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located, S uu, S uv, S vvrepresent that curved surface S is (u at parameter value k, v k) second-order partial differential coefficient located; Repeatedly call formula (1) or formula (2) until converge on a bit, draw the point set that point corresponding to parameter value after optimization forms; Formula (1) and formula (2) contrast, owing to having ignored the item of second-order partial differential coefficient, therefore for the larger situation of curved surface intensity of variation, the result error that formula (1) draws is larger; And for the less situation of curved surface intensity of variation, the item of its second-order partial differential coefficient is very little, can ignore, formula (1) is suitable with the result of formula (2), but adopts formula (1) computation amount.
The point set that point corresponding to parameter value after optimizing formed is divided into some parts and mates with surface model respectively, draws the equation of curved surface to be processed, and the point on the equation of curved surface to be processed is point of contact to be processed; The cutter 21 of controlling in topworks 2 processes curved surface to be processed according to the equation of curved surface to be processed; Wherein, when control topworks 2 carries out incised work, cutter 21 working trajectories are carried out to three-dimensional cutter radius compensation calculating; When three-dimensional cutter radius compensation calculates, the cutter heart of cutter 21 and the relation of work surface point of contact meet formula group (3):
x 0 = x p + n x R 1 + n x n x 2 + n y 2 ( R - R 1 ) ,
y 0 = y p + n y R 1 + n y n x 2 + n y 2 ( R - R 1 ) ,
z 0＝z p+n zR 1；
Wherein, (x p, y p, z p) be the coordinate of point of contact, (n x, n y, n z) be the unit normal vector of point of contact, (x 0, y 0, z 0) be the coordinate of the cutter heart of cutter; R is the radius of the blade of cutter, R 1for the radius of the cutting edge of cutter.As shown in Figure 3, Fig. 3 (a) is that endless knife, Fig. 3 (b) are that end mill, Fig. 3 (c) are spherical cutter, and wherein end mill and spherical cutter can be considered it is the special circumstances of endless knife, and end mill is R 1=0, spherical cutter is R 1=R, if directly select tool type while mating above-mentioned formula, can simplify above-mentioned formula group (3).Computer control system 4 is also for driving capstan head 14 to move by exterior I O control interface 42, and controls topworks 2 and move, and required cutter 21 is installed on the main shaft of topworks 2 from the cutter station 15 of capstan head 14.The invention allows for a kind of full-automatic numerical control processing engraving process, comprise
Step 1: in computing machine, set up surface model, and by the Representation Equation;
Step 2: spatial digitizer scans object, obtains object curved surface variation track;
Step 3: the point on object curved surface variation track is carried out to parametrization, 1 p on curved surface variation track kparameter be (u k, v k), the point set forming is P={p k; K=1,2,3...n}, draws the parametric surface S=S (u, v) that approaches this point set P;
Step 4: to each some p of this parameterized curved surface k, with parameter replace parameter (u k, v k) carry out optimizing parameter values; Parameter press following formula (1) or formula (2) to parameter (u k, v k) replace formula (1):
u ^ k v ^ k = S u 2 S u · S v S u · S v S v 2 - 1 ( p k - S ( u k , v k ) ) · S u ( p k - S ( u k , v k ) ) · S v + u k v k ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located; Formula (2):
S u 2 - S uu · ( P - S ) S u S v - S uv · ( P - S ) S u S v - S uv · ( P - S ) S v 2 - S vv · ( P - S ) u ^ k - u k v ^ k - v k = S u · ( p k - S ) S v · ( p k - S ) ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located, S uu, S uv, S vvrepresent that curved surface S is (u at parameter value k, v k) second-order partial differential coefficient located;
Repeatedly call formula (1) or formula (2) until converge on a bit, draw the point set that point corresponding to parameter value after optimization forms.
Step 5: the point set that point corresponding to parameter value after optimizing formed is divided into some parts and mates with surface model respectively, draws the equation of curved surface to be processed, and the point on the equation of curved surface to be processed is point of contact to be processed;
Step 6: carry out cutter Auto-matching and change operation, be specially: the cutter of dissimilar or different radii is placed in to assigned address; Computing machine matches type or the radius of required cutter by the equation of curved surface to be processed, control topworks and move to the assigned address of required cutter, this required Cutting tool installation manner in topworks; The work of computer control topworks makes cutter carve curved surface to be processed; In the time of engraving, computing machine is also carried out three-dimensional cutter radius compensation and is calculated, and when three-dimensional cutter radius compensation calculates, the cutter heart of cutter and the relation of work surface point of contact meet formula group (3):
x 0 = x p + n x R 1 + n x n x 2 + n y 2 ( R - R 1 ) ,
y 0 = y p + n y R 1 + n y n x 2 + n y 2 ( R - R 1 ) ,
z 0＝z p+n zR 1；
Wherein, (x p, y p, z p) be the coordinate of point of contact, (n x, n y, n z) be the unit normal vector of point of contact, (x 0, y 0, z 0) be the coordinate of the cutter heart of cutter; R is the radius of the blade of cutter, R 1for the radius of the cutting edge of cutter.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (9)

1. intelligent carving machine, comprises frame, worktable, topworks, cutter, CNC control system and water-cooling system; Topworks is arranged in frame, and Cutting tool installation manner is in topworks, and worktable is positioned at topworks below; It is characterized in that: also comprise computer control system and for obtaining the spatial digitizer of object curved surface variation track; Spatial digitizer and CNC control system are all electrically connected with computer control system; Computer control system drives topworks and water-cooling system work by exterior I O control interface;
Computer control system also for: set up surface model and represent with equation; Read the data of object curved surface variation track from spatial digitizer; Point on curved surface variation track is carried out to parametrization, and the parameter of any on curved surface variation track is that the point set forming is to draw the parametric surface that approaches this point set; To each point of this parameterized curved surface, replace parameter with parameter and carry out optimizing parameter values; The point set that point corresponding to parameter value after optimizing formed is divided into some parts and mates with surface model respectively, draws the equation of curved surface to be processed, and the point on the equation of curved surface to be processed is point of contact to be processed; The cutter of controlling in topworks processes curved surface to be processed according to the equation of curved surface to be processed.
2. intelligent carving machine according to claim 1, is characterized in that: computer control system also for: parameter press following formula (1) or formula (2) to parameter (u k, v k) replace formula (1):
u ^ k v ^ k = S u 2 S u · S v S u · S v S v 2 - 1 ( p k - S ( u k , v k ) ) · S u ( p k - S ( u k , v k ) ) · S v + u k v k ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located; Formula (2):
S u 2 - S uu · ( P - S ) S u S v - S uv · ( P - S ) S u S v - S uv · ( P - S ) S v 2 - S vv · ( P - S ) u ^ k - u k v ^ k - v k = S u · ( p k - S ) S v · ( p k - S ) ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located, S uu, S uv, S vvrepresent that curved surface S is (u at parameter value k, v k) second-order partial differential coefficient located;
Repeatedly call formula (1) or formula (2) until converge on a bit, draw the point set that point corresponding to parameter value after optimization forms.
3. intelligent carving machine according to claim 1 and 2, is characterized in that: described computer control system also for: control topworks while carrying out incised work, cutter working trajectory carried out to three-dimensional cutter radius compensation calculating; When three-dimensional cutter radius compensation calculates, the cutter heart of cutter and the relation of work surface point of contact meet formula group (3):
x 0 = x p + n x R 1 + n x n x 2 + n y 2 ( R - R 1 ) ,
y 0 = y p + n y R 1 + n y n x 2 + n y 2 ( R - R 1 ) ,
z 0＝z p+n zR 1；
Wherein, (x p, y p, z p) be the coordinate of point of contact, (n x, n y, n z) be the unit normal vector of point of contact, (x 0, y 0, z 0) be the coordinate of the cutter heart of cutter; R is the radius of the blade of cutter, R 1for the radius of the cutting edge of cutter.
4. intelligent carving machine according to claim 3, is characterized in that: in frame, be also provided with mobilizable capstan head, capstan head is provided with multiple cutter stations, and each cutter station is all placed different cutters; Computer control system also for: calculate required tool type and parameter by point of contact set surface equation; Drive capstan head motion by exterior I O control interface, and control topworks's motion, required cutter is installed on the main shaft of topworks from the cutter station of capstan head.
5. intelligent carving machine according to claim 1, is characterized in that: described CNC control system is CNC digital control processing control card.
6. full-automatic numerical control processing engraving process, is characterized in that: comprise
Step 1: in computing machine, set up surface model, and by the Representation Equation;
Step 2: spatial digitizer scans object, obtains object curved surface variation track;
Step 3: the point on object curved surface variation track is carried out to parametrization, 1 p on curved surface variation track kparameter be (u k, v k), the point set forming is P={p k; K=1,2,3...n}, draws the parametric surface S=S (u, v) that approaches this point set P;
Step 4: to each some p of this parameterized curved surface k, with parameter replace parameter (u k, v k) carry out optimizing parameter values;
Step 5: the point set that point corresponding to parameter value after optimizing formed is divided into some parts and mates with surface model respectively, draws the equation of curved surface to be processed, and the point on the equation of curved surface to be processed is point of contact to be processed;
Step 6: the work of computer control topworks makes cutter carve curved surface to be processed.
7. full-automatic numerical control processing engraving process according to claim 6, is characterized in that: described step 4 is specially: parameter press following formula (1) or formula (2) to parameter (u k, v k) replace formula (1):
u ^ k v ^ k = S u 2 S u · S v S u · S v S v 2 - 1 ( p k - S ( u k , v k ) ) · S u ( p k - S ( u k , v k ) ) · S v + u k v k ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located; Formula (2):
S u 2 - S uu · ( P - S ) S u S v - S uv · ( P - S ) S u S v - S uv · ( P - S ) S v 2 - S vv · ( P - S ) u ^ k - u k v ^ k - v k = S u · ( p k - S ) S v · ( p k - S ) ;
Wherein, S u, S vrepresent that curved surface S is (u at parameter value k, v k) partial derivative located, S uu, S uv, S vvrepresent that curved surface S is (u at parameter value k, v k) second-order partial differential coefficient located;
Repeatedly call formula (1) or formula (2) until converge on a bit, draw the point set that point corresponding to parameter value after optimization forms.
8. full-automatic numerical control processing engraving process according to claim 7, it is characterized in that: in described step 6, computing machine is also carried out three-dimensional cutter radius compensation and is calculated, and when three-dimensional cutter radius compensation calculates, the cutter heart of cutter and the relation of work surface point of contact meet formula group (3):
x 0 = x p + n x R 1 + n x n x 2 + n y 2 ( R - R 1 ) ,
y 0 = y p + n y R 1 + n y n x 2 + n y 2 ( R - R 1 ) ,
z 0＝z p+n zR 1；
Wherein, (x p, y p, z p) be the coordinate of point of contact, (n x, n y, n z) be the unit normal vector of point of contact, (x 0, y 0, z 0) be the coordinate of the cutter heart of cutter; R is the radius of the blade of cutter, R 1for the radius of the cutting edge of cutter.
9. full-automatic numerical control processing engraving process according to claim 8, it is characterized in that: in described step 6, carry out before cutter incised work, also carry out cutter Auto-matching and change operation, be specially: the cutter of dissimilar or different radii is placed in to assigned address; Computing machine matches type or the radius of required cutter by the equation of curved surface to be processed, control topworks and move to the assigned address of required cutter, this required Cutting tool installation manner in topworks.
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CN109466219A (en) * 2018-12-24 2019-03-15 岑加昌 Intelligent engraving and etching equipment with corner recognition function and engraving tool bit thereof
CN110481219A (en) * 2019-07-08 2019-11-22 合肥裕和数控设备制造有限公司 It is a kind of for carving the engraving machine of container inner wall
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CN105700468A (en) * 2016-01-13 2016-06-22 新维畅想数字科技（北京）有限公司 Method of optimizing three-dimensional sculpture losses through increment precomputation
CN105700468B (en) * 2016-01-13 2018-02-27 新维畅想数字科技（北京）有限公司 A kind of method for optimizing three dimensional sculpture loss by increment precomputation
CN107878105A (en) * 2017-11-30 2018-04-06 江阴市新城东天工专业设计工作室 A kind of Ornamental Stone base and preparation method thereof
CN109466219A (en) * 2018-12-24 2019-03-15 岑加昌 Intelligent engraving and etching equipment with corner recognition function and engraving tool bit thereof
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CN110481219A (en) * 2019-07-08 2019-11-22 合肥裕和数控设备制造有限公司 It is a kind of for carving the engraving machine of container inner wall
CN115685877A (en) * 2023-01-05 2023-02-03 日照福瑞德科技有限公司 Control method and system for intelligent processing of glass lenses
CN115685877B (en) * 2023-01-05 2023-04-07 日照福瑞德科技有限公司 Control method and system for intelligent processing of glass lenses

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