JPS5933089A - Laser cutting system of three-dimensional work by playback system - Google Patents

Abstract

PURPOSE:To provide a system which performs laser cutting of the three-dimensional work by scanning the work in the remaining one axis direction on the basis of the data for a two-dimensional NC profile and making the fresh three- dimensional NC data with respect to the three-dimensional work. CONSTITUTION:This system is constituted of a three-dimensional working machine 12 having a sub head 22 of a tracer 64, a nozzle 56 for irradiating a laser beam, a high frequency spindle 63, etc. and a computer 11 provided with a CNC function and a CTC function. The tracer 65 is driven in accordance with the two-dimensional NC profile and the data in a Z-axis direction is fetched to make a three-dimensional NC tape. Said data is played back and the scanned line is exactly laser-cut. The work of a pressed metal or the like having a three-dimensional shape is thus subjected to working with high accuracy. When an NC program for the three-dimensional profile is formed in accordance with the work, the immediate working of the work is made possible without moving the work and therefore, the working with extremely high efficiency and accuracy is made possible.

Description

[Detailed description of the invention]

The present invention relates to a system for cutting three-dimensional workpieces using a laser beam, and in particular, 3&,i,'
7] rl object, ka-2 dimension. 7'D') 5A toy '7'
This invention relates to a system that performs scanning in the remaining 1-axis direction based on the profile, creates a new 3D NC program, and performs laser cutting of a 3D workpiece. When automatically processing a three-dimensional workpiece, processing is performed based on a three-dimensional profile NC program created in advance. However, is it extremely difficult to create a 3D profile NO'buji/gram directly from the layout drawing? So: difficult. Even if you are able to create a program accurately, there may be times when the workpiece is required due to various factors. The sushi was not processed exactly according to the blueprint. In addition, conventionally, a mark (for example, a trim line in the case of trimming) was drawn to indicate the part to be processed on the workpiece or model. , industrial? Scan this display using your own pot and create a 3D 1D profile NO program? Create it, and then process it based on this program. One method was tried. ? With this method, the accuracy of scanning the 3D/original workpiece is low, so in the end, the 10 grams created? Isn't it inevitable that there will be a large error? won. Therefore, as above. What about an industrial mouth bot? The scope of application of scanning is limited to processes that do not require precision, such as spot welding and plasma welding. Ru. Does the present invention cover the above? Is this a two-dimensional brochure? Focusing on the fact that NC programs can be created relatively easily from design drawings, etc., we first created a two-dimensional profile NC program and then converted it into a 3'
Scan the remaining axial direction using the tracer as the basic shape of the three-dimensional workpiece, model, etc., and use the data above &l! It plays back to a 2D NC program and performs NC machining based on the 3D profile NC program. A feature of the present invention relates to a laser and multi-purpose CN'C processing system that combines a laser unit and an h-axis drive machine. That is, this system uses a multi-purpose processing machine that can combine many different functions, such as a laser irradiation nozzle, etc. Tracer, three screws for Han speed spindle? It is equipped with a The workpiece can be processed in two and three dimensions using the laser head.
C'NC laser cutting is possible. 3 {
When performing original laser cutting, is it a Mylar drawing or master model of the 3D object? The planar figure obtained from
After creating the tailor, use this tape to drive the head to a relative height.M&scan the machine's tape and scan to move the dial in the Z-axis direction. Dimensional Denitor 1 and one new and 3rd dimension? A profile NC tape is created, and a laser spatula is driven using the playback method to cut a 3-dimensional contour of the fillet.In this way, a reliable cut line can be created. 1 oath i6 narrow <(
0. '15m-/Rolled steel tl=11m+, hL' Z-axis direction? Drive? Is it easy to cut a three-dimensional curve? Just do it. Tracer t＼冫do is a model. Is the template dead branch the spring source? of? Is it difficult to scan/create data for a star model? Can it also be used? Wear. This deda is played by Bannangu by Baber Tape's Yusant. ? Pi 1 speed spindle head is high frequency spindle C'? Musume University 1ao6r. n. m) with JCAD/C'M}I"r
3D NClj-nib made by support system? The recombiner that looks like Nintoguchi is the so-called CNC and C〒'C
These systems have various functions based on the above three considerations. The three-dimensional drive mechanism i used in the present invention is similar to a normal nanomirror, with the linear movement A height of the tenable being Xi, the crosslenil orientation iY axis, and the direction of the bow ram and m++ being Z@'. ! l
C:? Attach the mailer head in the cross direction x. Y.
The i-axis direction is designed to be highly recommended. In addition, the front part of the head is equipped with a laser beam nozzle, a high-wave spindle, and a helical forceps so that they can be lowered parallel to the Z axis and separately. It is. Among these Sarahelides, the laser illumination nozzle can be changed to a plasma cutting or i-cutting nozzle. ，
By attaching appropriate tools to the high-frequency spindle, cutting, grooving, drilling, and surface-optimizing mausoleum, etc. can be done {1? It's tough to do that. ? When talking about laser processing here, laser beam +i
．． Further development of the method developed by Ryoichi Kuchinami? The 1411th wave of the Ministry of Frequency is the first wave of light (3 expansions), and is monochromatic light with a narrow width, and has excellent directivity. When this laser beam is focused with a ti'M moe Ren woman, It is possible to focus on a point as small as the wavelength, and it is the energy of a focused point! It has the property of increasing density. 1 Traditionally, it was textiles: "tha, dead bodies are cutting metal. By the way, in recent years, the large flower e.
Big energy e-mu is the best deal? Are you an ant in S1? Is it possible to process a genus of several millimeters?
It seems like... Only oneself "Naka'Odaikore Mereni"'
+? A Use a vibrator to make this kind of addition l; L
, "The tip of the irradiation nozzle 1 of the beam is kept at a constant distance (approximately 1 i) from the surface of the workpiece.
t'f"6 must not be achieved and the body must be kept at a fixed 4C during the laser's single stroke. Attach 1 to this by moving the table 1 to the left and right.
Don't you have a rival who uses a method to process processed objects? and
Therefore, is the workpiece a plate material? 2′? Limited to thorny ends, and large and heavy objects 1'? It was difficult to add soil efficiently. This Moe takes advantage of the fact that it is reflected by the Beam ZKiII, and there is a g-sex trade? Beam irradiation nozzle ×, Y,
And in the direction of the axis, I'm going to be hyperactive and make it 6,
Can you say crystals from a laser generator? -l is guided to the irradiation nozzle using two or more mirrors moving in unison, thereby causing a laser oscillator i.
Eim?-J: 'Let's make the addendum Gaiyo lick the ``Domuku Shogeki nozzle'' 3? Like making the dimension M*+i? This is what I did. 'Also, the secondary nozzle may be made of gold plate, multi-plate plate, etc.
When the laser beam is applied to an object, the irradiated area heats up, and I? Blow that part

['j Ashi 2
'1 Width: @ line by Sakuichi of Togas'
Cutting f:Δru. If the workpiece is simply a flat plate, or if the angle in the z-direction is only 6i, there is no particular difference, but if the inclination is steep, the heating of the irradiated beam may be a problem. is ija
Can you move to the square crystal and weld the teruichiro? na<”16
Is there anything like that? . In a case like Snake? By distributing the support gas i that blows out in the direction of the beam, and blowing out the assist gas toward the irradiation point of the beam, it is possible to accurately handle workpieces with steep inclinations in two directions as described above. Cutting processing using a laser beam can be performed. Next, the present invention will be explained in detail based on the drawings. In Figure 1, the part (10) surrounded by chain lines shows a block diagram of a three-dimensional laser cutting system using the playback method. This system (10) is CN
A combination controller (1) equipped with both C and CTC system functions.
1) and a three-dimensional drive processing machine, such as a blank miller (12
). The computer (11) creates a three-dimensional NC tape by combining the two-dimensional tape and two-axis NC data from 1 to laser. To process a 3D workpiece using NO programming, consider a Mylar drawing or master model, create each of the definition, cutting, and control programs, key them in on a typewriter, automatically analyze them, and use the cutter. A device that determines the output of NC software such as location data, combines this output with post-processor data to create a paper tape, creates an NC tape through NC format, and applies it to an NG machine to operate the DC servo system. However, the same procedure is basically adopted in the present invention for cutting a three-dimensional workpiece. The two-dimensional NO tape (13) obtained as described above is first applied to a paper table reader (14), its input is analyzed by an analyzer (11a), and the signal is distributed by a pulse conversion circuit (Ilb). A two-dimensional control signal for the Y-axis is generated, and the DC servo motor (17) is driven to move the workpiece (110) fixed on the Z-axis table in the X-axis direction.
The tracer head (23) whose Z-axis position is controlled is moved in the Y-axis direction by driving the servo motor (17), and data in the Z-axis direction is obtained using a stylus. Tracer head (
23) The information in the Z-axis direction extracted by one round is 1
・It reaches the computer (11) via the laser control (18) and the Z-axis DC servo motor (17). The signal from the DC servo motor (17) is processed by the circuit 111 [11cl, and based on its output and pulse conversion circuit mb), it is processed by the analyzer (11d), and at the same time, the tolerance setting device (19
), and a three-dimensional NO tape (24) is created using a puncher (20). Next, after raising the tracer head (23) to a standby state, the laser head (21) is moved to the tracer start position, and the laser head irradiation nozzle is brought close to the surface of the workpiece. After making such preparations, the advance payment of 3
Transfer the dimensional NO tape (24) to another paper tape reader (25)
is input into the computer again, and the analyzer (1
1el, X, Y. through the pulse conversion circuit (11r). Each DC servo motor (151+161 (17)) for the Z axis is driven, and the three-dimensional workpiece (+
Laser cut 101. In addition, when performing endominohi processing instead of laser cutting, the above X. Y. Z
The output of each DC servo motor for the shaft may be output to the high speed spindle head (22). Also, in Figure 1,
For ease of understanding, within each process of 2D and 3D NO tape creation, X. Y. Although the illustration shows that there is a servo motor for the Z axis, in reality, servo motors with the same symbol are shared with each other, and the servo motors for the X. '／
．． &11 DC motors per Z axis! It will be put down. The right half of FIG. 1 shows the system of the present invention,
This is an example of each step when applied to the process of manufacturing a press mold having a three-dimensional shape. That is,
The drawing or model of the pressed product {26} is digitized (2
Measure the figure using 1), and use the tape making device II to measure the measured value of 1).
(281 is applied to create a two-dimensional NC table (14). On the other hand, a press (29) is used to create a draw panel (3o).
is made and set on the table of 3D laser processing II (121) as a workpiece (110).The 2D NC table (
13) is applied to the paper tape reader (14) as described above, the data is processed by a computer equipped with CNCI function and CTC function, the trim line is scanned with a tracer head, and data in the Z-axis direction is extracted.
Create a three-dimensional NG tape (24). This NC tape (24) is inserted into the reader (25), the data is processed by the computer (11), and the data is processed by the computer (11), and the Niza head (21) is sent via the DC servo motors of the X, Y, and Z axes using the playback method. Trim cutting of flannel is performed by driving the po-> (flannel), which has a three-thorn shape. There are ways to obtain trim samples in this way, but depending on the shape of the crocodile bead, one-side samples with a partial center cut are also made. Next, insert the first sample into another press (32) and perform flannel bending or restructuring {33} at the required part of the fold. Kenichi @
Panel check i3s with l(34) 1% multiplier Create table via data list (36) m@(28')
be recycled. If the test passes, i.e., YES, the tape making device (28) is used to convert it to the original NC tape (13a).The Nd processing machine installed in the machine factory uses the Kome tape (j3). I drive the spring to trim the mold and make the product number? Original check C35
) If you fail the check at step 1:, in other words, if you say NO, check? Create a comb (39) and a digitalizer (2)
7) to correct the data. ? Can I edit the data correction value? The aim is to create a new NC tape and create a mold that can be pressed to fit a predetermined model. Figure 2- is a front view of the three-dimensional laser processing machine (12), and Figure J is a side view. This processing machine is a gate type plano mirror ÷ ah? Hey, head i46
') is a table (41) that can be reciprocated in the length f-yangffJ''(X'1m) using a D'C servo motor (15).
is placed. Left column (4) of head (40)
2) stands up, and a square frame (43) is attached to its top. A cross rail (44) with an inner stopper is provided on the front of the column [42] (42), and a lower inner bed (45) is attached to the cross rail (44).゛The main head (45) also has three multi-purpose subheads, namely the laser, Yako spindle, and tracer subheads t2i)c24'>(23
) is installed. Column (421 (4211,:) is provided with vertical axes (48) (46)!?Vertical axis〈4G')《4
6) The upper end of Crosby A (43) is connected to the horizontal shaft (47) in Crosbeam (53) through a bevel mechanism or a worm *m, aligned in two axial directions. For?
The electric machine (4li) is now turned and connected to the horizontal axis (47) through the transmission mechanism = the vertical axis (4e+(
46) is aligned with the cross rail (44), so by driving the electric motor* (48) in the forward and reverse direction, the cross? The main head (45) can be brought into position by raising and lowering the slide (44).・? ... Said Crossrenyl) 44) has a Cross screw (50
) is mounted horizontally, and the main head (45) is driven by a Y-axis DC servo motor (1G) attached to one end.
It is possible to move the object in the Y-axis direction. Hajire head (4
5) is enlarged in Figure 4, so please see the saddle (51) on the left.
? It includes a large slide (52) and a Z-axis DC servo motor (17) provided at the F section of the saddle (51). i, the main shaft (53) that drives the SerpoMo★ (17).
' Raise and lower the slide (52) with three sub-heads via the coupling (54). The first sub-head (21) has a laser illumination nozzle (56) on the hand slide (55), and a laser vinyl focusing lens (r+a') is placed above the hash doll (67). ,
Cooling hose (59) and Nasist gas supply 11*T60
1 is installed. A telescopic protective tube (80) that can be expanded and contracted in the Z-axis direction is disposed above the converging lens. Second Shino “Had+”
'22') has one motor (G) in the slide (61) part.
2), a high-speed rotating spindle (63), and a handle (
64). The spindle (63) has a cutting tool (not shown) such as an end mill or milling cutter at its tip.
Install. Turn off by operating electric tI (62') II)
The desired machining process can be performed by rotating the I-tool at a straight speed. Furthermore, -3 sub l\tsudo (2
3) has a tracer (65) attached to its sliding portion (67), and is able to be freely lowered in the direction of the W3 axis parallel to the Z axis through the handle (66i).The tracer (65) has a stylus ( 65a) When a three-dimensional workpiece is scanned, the upper and lower movement gates of the stylus (65a) are taken out as changes in pressure using, for example, an operating transformer user and input into the tracer controller (18) described above. ?A pendant arm (6B) is attached to the top of the above mechanism, and a pendant box (69) for manually operating each DC servo motor (15) (16017) is suspended from a small piece of ice. , by handling the pushbuttons, it is possible to manually intervene in the direction values of each axis driven by the CNC system.
(70) and is installed in the pit 1 on the side of the bed.
The laser unit (72), in which a frame (71) is assembled and a laser unit (72) and a heam enhancer (73) are mounted thereon, is, for example, a GO2 oscillation laser and has an output power of, for example, 100 to 400 W. On the other hand, brackets 1 to (74) are attached to the front of the columns (42) (42) of the machine.
) (74) and pass the bringer (75) to the upper part of the bracket to direct the beam delivery means. This means 11 includes three protection tubes and an optical unit 1 as described below. Bracket 1~( on the left side of Figure 2)
74) and the enhancer (73), a first telescovic cylinder (77) that can be expanded and contracted in a direction parallel to the Z-axis is suspended. The bridge (75) has several 1 loli (7
8) to suspend (79) a second telescopic protection tube that can be expanded and contracted in a direction parallel to the Y axis. Furthermore, a third telescopic protection cover (80) that can be expanded and contracted in a direction parallel to the Z-axis is attached to the laser head axis of the main head (45), and a first protection cylinder (77). A laser beam from the unisoto is built into the refraction position of the laser beam! ! The upper part of the first protection tube (77) and the second
The other end of the retainer cylinder (79) is supported by the small bracket (84) at the upper end of the main head (45), and is connected to the third retainer cylinder (79) via the third beam optical power unit (83).
) is connected to. Note that the reflection &i (98) is installed in each unit at an angle of 45 degrees, as shown in FIG. Therefore, the laser beam emitted by the laser unit (72) increases its energy by the enhancer (73), and then passes to the first beam optical unit h (81).
) is repulsed and guided to the first protection tube (77), which is attached to the main head (45) through the third unit l- (831) and reaches the third protection tube (80), where it is connected to the focusing lens. (
58) with the red nozzle (561J). To cut the trim line of the three-dimensional workpiece (1101) using the above processing machine, first cut the tape nozzle (41).
Place the workpiece on top. On the other hand, two-dimensional NC arb data created based on the Mylar drawing or model is input into the computer (11). Next, the main head (
45) as a processed product! ! Move to the quasi point and use the handle (66)
is operated to process the slide (64) and control the position of the tracer head (23). The data on the two-dimensional tape is processed by the computer (11), the table (41) is moved horizontally by driving the DC servo motor (151t) in the X direction, and the servo motor (16) in the Y direction is driven to move the head. While moving the 1-tracer head in the left and right direction along the cross rail, the displacement in the Z-axis direction is taken by the stylus (65al) of the tracer head, and the signal is sent to the tracer controller (
18) to drive the DC servo motor (17), thus making the stylus of the 1-rather head go around along the trim line. The data in the X, Y, and Z axis directions and the tolerance values of this question are processed by a computer (11) to create a three-dimensional NG tape. Next, raise the laser head (23) to the original position mt, move the laser head (21) in parallel to the tracer position, and operate the handle (57) to move the laser illumination nozzle (56) to the workpiece. The distance will be approximately 1.5111m from the surface. After doing this, play pack the data based on the 3D NC tape and transfer Asahi Tech 1 (12) to X. Three-dimensional operation is performed on the Y and Z axes. On the other hand, Laser Units
- Activate (72) to generate a laser beam. As mentioned above, the 1 norther beam includes an enhancer (73), a laser beam object unit (81) (82) (8
3), irradiated from the irradiation nozzle (56) through the protection tubes t77) t79) (8t1) and the focusing lens (58),
1. Cut the same line as the one you scanned with the racer. After cutting, handle (57)
) to return the illumination nozzle to its original position. The laser irradiation nozzle (56) has an east focus lens (58) built into the casing (85) as shown in an enlarged view in FIG. 7, and an assist gas supply pipe (60) is attached to the lower part thereof. When the illumination nozzle (56) approaches the workpiece (110) and irradiates the laser beam (86), the illumination point (8
7) is heated, and due to the synergistic effect with the assist gas ejected from the supply pipe (60) at the same time, this portion (87) is melted and cut. In Figure 7, one workpiece is placed on a horizontal plane, but a three-dimensional workpiece is
Only in the horizontal plane. It goes up and down in 2 directions and includes an inclined surface between them. ．． If the slope of the irradiation point (87) exceeds, for example, 45 degrees, the irradiated heat moves below the slope and the melting temperature of the irradiation point (87) increases. You may not be able to maintain your composure. ．． ′...In view of the above points, Fig. 8 shows R? This allows a machined surface that is inclined to the irradiation direction of the beam to be machined in the same way as a machined surface that is orthogonal to this direction. Suna Wachi 7th
In the figure, the assist gas is exactly the same as the laser beam irradiation direction. →In the direction, do you have a speech bubble that overlaps with this one? However, in the system shown in Fig. 8, the assist gas is applied to the irradiation point of the laser beam on the workpiece, and the irradiation direction is different from the irradiation direction.
The wind blows from a direction almost perpendicular to the wind.・
．． ' Separately from the casing (85) of the laser beam irradiation nozzle (88) in Fig. 8, a clearing nozzle (90) is arranged to eject assist gas toward the irradiation point (87) of the laser beam (86). lffrIJ thing?゛〈110)
When processing (well, laser beam irradiation lens?: (88
) on the workpiece + 87) l u direction 1 j rud tool? to 1
ζa?゛Rest gas emission: A part of the assist gas sprayed from the nozzle (901, which also points towards the same white point (81)), reflects here and passes through the small hole. There is a risk that the gas may enter the casing (185)'.The gas supply pipe (89) is designed to eliminate this risk.
Then, pump 15 liters of gas into the casing. Blows out from the small hole. ::・In other words, it creates an air hole in the small hole, which prevents gas from entering. In this way, even if the angle of irradiation of the laser beam on the workpiece is steep, the assist gas can be blown in a direction almost perpendicular to the workpiece, thereby ensuring the machining of workpieces with three-dimensional shapes. I'm used to it. Figure 5 Figure 6 shows the normal ilffi diagram and 0@ side diagram of another variant of the 3-axis drive processing machine = This device eliminates the vertical axis within one ram, and on the cross beam? The moke for position 1i111Kl is omitted. In other words, 1) Set up a feed column +91) (91) on both sides of the bed 140), and fix a cross rail (92) to the top of it. The cross rail (92) is a cross screw (
50), and the main head (451) is moved in the Y-axis direction by the DC servo motor (17). At the rear end of the bed (40) there is a third. As shown in the figure, it has a DC servo motor (.151) in the X-axis direction. At the rear of the upper part of the main head (45) is a DC in the Z-axis direction.
The servo motor (17) is installed in the main head (45 strokes larger than those in Figs. 2 and 3).
It's happening. The main head (45) has laser, high-speed spindle and tracer sub-heads' (2).
1) (22) and (23), and the beam from the laser unit (73) on the side of the bed is transmitted to the enhancer (73) 4'''
Ho 11! It is the same as before that it is guided through I(77), (79) and (8σ) to the irradiation nozzle. In the case of Figure 5, the motor for the 1st place 1IlI is omitted, and the vertical shaft is not passed through the column, so the whole can be manufactured at low cost. Three-dimensional control using DC servo motors is also easy. Then, the use of the system of the present invention will be explained. ■． Cutting sheet metal for press (Blank H-Tay?
)?・: As shown in Figure 9, a two-dimensional 2c table (100) is created based on the data that was first calculated theoretically. Seat me? How to cut a barrel with a laser cutting machine (101)? Press the rate methanol that has been removed (103:)・
Do a dojiichi or a phonim. This is inspected by an inspection device (・
Check with 104) and if the cut line after drawing is bad. Modify the 2-dimensional 10 Dave and make the blank Sambu J Rebanenore again as shown in Laser Cut 1~. Create a blank mold using a NO machine. ? ■． ``Confirm and correct the stabilizing die trim line.
(T1) Mukatsuting)'? Figure 10 shows how to make a draw panel using a press (10'6).
Trim with a laser machine (107); make a draw panel with another press (106) and trim with a laser machine (107);
Trim cut with 107) and perform restrikes or 7 lunge bends with a separate press (10'8). Inspection [W1
This shows the case where (109) is checked. In the case of flange bending, the draw curve (93) is offset as shown in Figure 11, and the distance IIl from the bending point (95) to 1 to rim cut line <<91>> is 1. The flange after rim cut. It must be in a position facing W& on the draw force curve (93) so that the flange length becomes the official dimension L from the bet point during bending. Although it is not impossible to determine such a cut line using the theoretically analyzed 70 grams, it is difficult in practice. In addition, when restriking the approximate center of the draw curve (93) as shown in Fig. 12 and making 7 bends as shown by the dotted line (97), the trim cut line (96) is set at the flange length during the restriking process. SAK must become a regular performance. In this case as well, determining the trim line is extremely difficult. Conventionally, confirmation work has been carried out by repeatedly modifying the rim mold itself, or by creating sample panels by hand, but both methods require great expense and time. The system of the present invention can be effectively applied to solve such problems.If the system of the present invention is formulated in accordance with the above work,
This will be the right half of the diagram. That is, according to the present invention, first, a dimension number tape (13) is created from theoretically calculated data, and then the data is transferred to the tracer head (23). After scanning the trim line and converting it into a three-dimensional NG tape (24) in the playback evening ceremony, the trim sample panel is laser cut, and post-processes such as 7-lunge bending and restriking are tried and checked. If the check result is negative, the two-dimensional tape is corrected and the above cycle is repeated. When the results are good, the NO tape used for the last trim sample jaw is made and a trim mold is made. Note that laser cutting can also be performed based on NG data obtained by scouring the scanned values using a combinator. ■． Cutting metal for gauges and creating cross-sectional gauges for checking fixtures Three-dimensional shapes, especially three-dimensional molds, are often designed with the sense of a design designer and have curved surfaces that cannot be expressed using mathematical formulas. Such a free piece 1 is defined as X, Y, etc. in space. Z
It is not easy to create multiple NO tapes for processing from NO tapes, which are based on the point cloud input by Kobu Yu as the input information of IItll. The drawings ordered from the mold manufacturer only show the cross-sectional shape of the necessary parts.
The work involved in creating an intermediate curved surface connecting them is 1. As a prerequisite for this work, it is possible to prepare a cross-sectional metal gauge or a chinking fixture V-shell. When an NC table is not prepared, the following procedure is performed. 1} Scan the model to obtain a Gouge cut i[+l-like data. At this time, X17 or Y. Z
511) Transfer the output data to an NC tape offset by the radius of the stylus. i, II) Laser head {cutting based on the NO tape of N). ■． Measurement of master model and automatic creation of NG tape The master model is scanned and the curved surface data f is outputted to the NC tape. ■． Using Master Model's NO machining high-speed spindle, we perform curved surface machining, edge line machining, and floor filing of the model using 3D and 2D NG tapes prepared in advance. ■Manufacture of simple blank die using loading cylinder method■. 1-Semi-mass production of rims and beer work for test car breath panel panels ■. Styrofoam Profile Cutting for FMC The scaling feature of this system is used to process scaled or enlarged FMC foils. Various other processing is possible depending on the invention. As detailed above, the present invention has three subheads such as a tracer, a laser beam irradiation nozzle, and a high frequency spindle.
Consisting of a dimensional processing machine and a computer equipped with ONCII and CTC functions, it drives a tracer based on the 2D NO profile, extracts data in the Z-axis direction, and performs 3D NC processing.
It is possible to create a tape and use this data as a playbank to accurately laser cut the scanned line. Therefore, it is possible to perform extremely difficult processing on workpieces such as three-dimensional press molds or trims. can be administered. Moreover, 3D profile NC based on the workpiece
When creating a program, process it immediately without moving the workpiece. This allows extremely efficient and highly accurate machining. Figure 1 is a block diagram of the cutting system of the present invention.
No. 1 This invention, Cll1. For 3-axis drive and 1-movement. Ichikaka. I
117)"". Iil1,131%2&;tl21ff
i17). “ゝ゛1”! is the processing machine shown in Figure 1. FIG. 15 is an enlarged front view of the 3-axis drive laser processing machine 1iE←. Figure, Figure 6 is Figure 5? The side view, Figure 7, shows the present invention. use. L/-f11 [IJ/X, (7
) Expanded cutting i1i1g, 19? gate. -: Block diagram of blank cut T tool during press mold manufacturing, Figure 10 is a block diagram of trim cutting,
FIGS. 11 and 12 are enlarged cross-sectional views of the panel ends when trim-cutting the draw panel. (10): Cutting system (11): Computer (121: 3D drive addition I1 (13) + 2D NG tape u41 (25): Table reader (15) (16) (
17. NO servo motor (19): l-tolerance setting device (201: tape punch 〒1 (21): laser head (
221: High speed spindle head (23): Tracer head (24): 3-dimensional NC table (411: Table (43): Cross beam (441: Ku0sley: 7
1/(45) May',>hetsut' (4B): place [&'J
Mo-9' for Iin (501 + Cross Screegee (56)
: Laser irradiation nozzle meter (?65): l-laser (65
a): Stylus (72): Laser unit (73):
．． Binim enhancer (7:5): Bridge (7tej (7
9) (80): protective shield (at'') (82)'j ('+1
3): Beam optical unit (10): Three-dimensional workpiece 468- -469- -4707 Procedural amendment 1 (Spontaneous amendment September 22, 1981) 1 Mr. Commissioner of the Japan Patent Office (Mr. Examiner of the Japan Patent Office) 1 case Display Patent Application No. 141750 1981
v-qy cutting system 3. Person making the amendment 1 Patent applicant 4.5 Fuji Iron Works Co., Ltd. 204 (7) 4' Kosato 1, Nishidanto, Minato-ku, Kyoto? yk”””
””;”””? (7134, '笥行Sr'6i sugar') 5
．． Notice of reasons for refusal. 7)! 3 attached TKLL5(18)776
・+゜(580)56J7 le correction order ・Showa date 6. Kusunoki 7 of Detailed Explanation of the Invention in the Specification of the Amended Specification, Lines 14'3!7 to 18 of the Specification Sha ``Drawings or Models of Pressed Products (2G1J)'' (2) Correct "Create the NO tape a (A)" on page 14, line 10, as follows: rN"Create the O tape When using a master model instead of a Mylar drawing, the 2D data is measured using a 3D measuring machine, and the 2D No. tape (13) is created by running the data through the automatic programming machine Mi. ” Above..Sale amendment.shi (..method) December 6, 1980 To the Commissioner of the Patent Office (To the Examiner of the Patent Office) 1. Indication of ¥ - Patent Application No. 141750 of 1988 2. Name of the invention Laser cutting system for three-dimensional/dimensional workpieces using playback method・ ゜゛″″″′.″f：．＝”；?．．．Fuji Co., Ltd. Tetsuchosho 4. Agent W 'm'fMl.';'W”iY?mノσ》sva!J
“11r no rho {l11 impregnated law 1, Shikokoza Z-cho (7I34) dialect]” 1st person? Ashi f:! 1”'riT,F2
5, Ubagaragi,) Yo? TEL (50E) 77 (″3″1
゛80ゝ53''゜〈Amendment order November 30, 1982 6. Subject of amendment'''' ``Brief explanation of the drawings'' in the specification ``Kusunoki 111 γ, Details of the amendment Yang Chuyu page 31, No. 16 Supplementary note by adding "[Figure 8 is a non-enlarged sectional view of another laser beam irradiation nozzle]" between "Enlarged cross-sectional view" and "Figure 9" in the row. <r4>. ．． November 17, 1981 Commissioner of the Japan Patent Office *Mr.? 1. Indication of matter f4 1982 [Patent Application No. 141750/2. Name of the invention: Playback h-style cutting system for three-dimensional cutting materials 3. Person making the amendment Relationship to the case Patent applicant: Fuji Iron Works Co., Ltd. 4. Agent'? Minato-ku, Tokyo Nishi-Shinbashi 1-18-14.., Ozato Kaikan “゜4
′′″′″n*mPFib. , (71341 Benzaishi Nao Ashida or 1 person) Tel: 03-508-7763.580-56175. Subject of amendment: The entire text of Mei 1 and Figure 1 6. Contents of the amendment (1) The entire text of Mei II I as attached. Corrections have been made. (2) Figure 1 has been corrected as shown in the attachment. Hereinafter...Considerations 1. Name of the invention Laser cutting system for three-dimensional workpieces using playback method 2. Features ¥ + Claims (1) A three-dimensional driving machine that drives the main head in the X, Y, and Z axis directions, which is equipped with a Rayna irradiation nozzle, a high-speed rotation Svindru, and three 1J-heads of 1 and 1. A laser beam delivery unit disposed on the side of the processing machine to connect the laser beam from the laser unit and the laser unit to the irradiation nozzle of the laser head.
2-dimensional NC with one means and Y axis direction F) 9-2
The trainer head of the processing machine is driven based on the tape. A computer that has the function of scanning the required line of the three-dimensional workpiece, extracting one line in the Z-axis direction, converting it to a three-dimensional NC tape, and driving the three-dimensional head using the Muray pack method. Naru pre. ．．
Ibak. A cutting system for three-dimensional workpieces according to the formula. (2) A three-dimensional drive processing machine consists of a table that can be rotated horizontally (X-axis) in two parts of the head 1, a pair of columns that stand up on both sides of the table, and a cross-lens plate that passes over the top of the column. L, a cross-scrico placed horizontally within the cross rail, and a convex suscricco-one? Therefore, the cross direction (Y
The main head is attached to a long lens so that it can move in the vertical direction (Z-axis), and the laser irradiation nozzle is assembled separately on the front of the main head so that it can move in the vertical direction (Z-axis), at high speed. Rotating spindle and tray 1 no 30
△! 3. A laser cutting system for three-dimensional workpieces using a playback method according to claim 1, wherein the system is provided with a playback system. (3) The three-dimensional drive processing machine consists of an A three-dimensional workpiece according to the playback method according to claim 1 or 2, which has a DC1 novo motor for the axis and a DC servo motor for the Z axis disposed above the main head. Laser cutting system. (4) The three-dimensional drive processing machine consists of brackets 1- fixed to the column part and brackets 1- mounted on the upper end of bracket 1- to support the rail Lζ-me delivery means. Claim 1 or 2, which has the following? A laser cutting system for three-dimensional workpieces using the playback method. (5) One means of laser beam delivery is one bra; 7
A first telescopic protection tube is installed vertically in the Z-axis direction on the side of the bridge, a second telescopic protection tube is placed horizontally in the Y-axis direction along the bridge, and a second telescopic protection tube is installed vertically in the Z-axis direction on the side of the bridge. a third telescopic protection tube extending from the tip to the I-norm irradiation nozzle and disposed in biaxial directions;
A mirror installed at the intersection of the laser unit's enhancer and the first protective strip? The built-in first beam optical unit, the U-L and beam optical unit 1~ installed at the intersection of the first protection tube and the second protection tube, and the second protection tube and the third protection The playback force according to claim 1, which is constructed from a third beam object 1 installed at the intersection with the tube, Force-testing system. (6) Add “I:llIfil, Z axis direction +14iI’#l
)"'c'ri'-Bot Ichi-Yu, the range of the stand-by N-Bot in which the 1-Year of 'Crosley-RB Maru 1' is marked H on the F part of the Crosspeam apart from the 'C'Ri'-Bot Ichi-Yu is described in Section 1 (d) or Section 3. ℃ Pre☆Back: A system for reducing the third-order redundancy of T'4 by method. 3. Detailed description of the invention''? According to the present invention, laser beams can be used to add 3rd order additives to 1 object using 1 module. Power system:? ``Because I'm so cunning, especially 3.
Dimensional artifacts: On the other hand, 2D NC physical data? Basically, the remaining 1st axis "R" is scanned, 3D N"C data is created, and the 3D workpiece is processed using a multi-stem system. Regarding.1'・ Automatically add a workpiece that forms a three-dimensional shape: ■?
Is it based on 3D NO'Broadway data that was created in advance? The processing will take a long time. ? However, '3D FTL'C Blob Air Day' evening was set up.
Created directly from one drawing? Become? The situation is extremely difficult. I made A'4 Zaruko in order to correct the divination program.
L class '4' (j) "fJ prisoner? 'J:
the law of nature,? Canada? Artifact? Is it necessary to have one specialty? Accuracy according to the autopsy is necessary.In addition, the conventional +li?worked product and seven-seven-ru?The machining is shown in detail (l word +:'+j ”=If it covers the jig, 1. Rimkui:＞
)? What? tree,? Use the old bot for jJ to manually read this display and get the processed data! ! [
! Is it Kome Tini that makes you remember and enjoy it? M- to the data
A method has been tried to do this. In this method, the precision of the three-dimensional machining is also low or hard. 'In the end'? I created it: I didn't have 9q of ``errors?'' If it was a big one: I didn't have 9q.For i, the scope of teaching by the above-mentioned industrial robots was subo?tsul'l II. The present invention was developed in 1996 in view of the following points:
2D? Noting that the ``C'' profile designer can be easily created from the diagrams in stage 9l, etc.,
Yo f2 dimensions. Ad7'Ai is data**'? Done? ,
Is it 3-dimensional? Canada? [As the basic shape of artifacts, three-dimensional models, etc.] One axial scan of the remains with a laser beam 1
J Shinshu? Is it possible to create 3D data and perform the N°C machining process based on this data? . ′
? One-one? The special feature of the American invention is to combine a laser unit 1~ with a 3@' drive machine. Purpose 'C' is related to the processing system. That is, this system can perform many different functions. For example, it is equipped with three sub-heads: one for laser beams, one for laser beams, one for losers, and one for high-speed rotation. and j-dimensional cx'c"u'-za cutting can be done. When cutting 3-dimensional laser + r'6, 3-dimensional laser: workpiece mylar: drawing or star? Monaural: Plane figure obtained from x.
After creating the 2'-dimensional N''C data using the dimensional profile, outside of this data, the J:Trailer-sample is driven relatively and fixed to the table of the machining machine. Scan the object and take data in 2-axis directions, create new 3-dimensional NO profile data based on this data and the 2-dimensional data of "th" M, and playback method. Is the laser head moving and the workpiece being processed? A three-dimensional ring? Do you want to play with Guo? l'ao this? In other words, reliability. Ah Hankal. ．． '5''-4'' red C gain 4ゎ, very wide. Narrow<fO. 15 nm/rolled steel 1 = 1 ratio), and by driving in the Z-axis direction, a three-dimensional 11-line force can be easily applied. It can also be used to scan channels and create master model data. This data is punched by Vanitave's Connit. The spindle head has a high-speed rotating spindle (R large 18o)
oo"'r.p'.)"e'me. ltll7[:A
"H", 'Clocky'''A'''Pff gate. Re. ．． 1: 3D Nl07"" Evening. To. It is used for 713-dimensional machining. Compico evening is iru CN'C
and CTC, and these systems and the above 3
6t"T'f41q'(
+)lfi'? Also, 5? ．． ...:11'1'・ It is. ``'Q invention, .Used. 3-dimensional l addition 1 machine, .. Same as the normal Atsushi Aralumi Chi, the linear movement direction of the table is... Axis and effect... Ku! Thread, - list attached to the main page:
Tsudo to Y. It is designed to be able to be driven in the Z-axis direction. Furthermore, a laser irradiation nozzle, a high-speed rotating spindle, and a tracer rib head are incorporated in the front surface of the head in parallel with the Z-axis so that they can be moved up and down individually. Among these sub-heads, by attaching a suitable tool to the high-speed rotating spindle, it is possible to perform processing such as cutting, grooving, drilling, and drilling. It is Noh. Next, the present invention will be explained in detail based on the drawings. explain. Figure 1. The left half of is playback. A block diagram of a three-dimensional laser cutting system according to the method is shown. This system includes a computer (11) having both CNC and CTC system functions, and a three-dimensional drive machining unit (12) shown in FIGS. 2 and below, for example. The computer (11) has a function of combining two-dimensional data and Z-axis NC data from a tracer to create three-dimensional NC data. As mentioned above, the 2D NC data is a planar figure obtained from a mylar drawing or a master model of a 3D object,
That is, it is created from a two-dimensional profile shape regarding the X and Y axes. The two-dimensional NO data (13) obtained as described above is first applied to a paper tape reader (14), and the DC servo motor (15) is driven by the command of the CNC device to move the workpiece fixed on the table into the While moving in the axial direction, D
Drive the C servo motor (16) to move the tracer head (2).
3) in the Y-axis direction and calculate the difference. Data in the Z-axis direction sensed by the dynamic transformer (18) is fed back to the CTC tracer control to drive the Z-axis DC servo motor (17). These series of data flows are taken into a CNC device and output as three-dimensional data through a tape puncher (20) according to a set tolerance amount. Next, after raising the tray head (23) to a standby state, the laser head (21) is moved to the tracer start position, and the laser head irradiation nozzle is placed on the surface of the workpiece.
approach. ．． After making these preparations, transfer the three-dimensional NO data (14) described above to another paper table reader (14).
4) and input it into the computer again, X, Y
．． Z. Each D. C servo motor (15) (16>(
17) to laser cut the three-dimensional workpiece using the laser head (21). In addition, in Figure 1, for ease of understanding,
,Y. Although the illustration shows that there is a servo motor for the Z axis, in reality, one DC motor is arranged for each of the X, Y, and Z axes. The right half of FIG. 1 shows the system of the present invention,
This is an example of each step when applied to the process of manufacturing a press mold having a three-dimensional shape. That is,
The mylar drawing (26) of the pressed product is transferred to the digitizer (21).
) to measure the shape and tape the measured values III.
(28) to create a two-dimensional NC tape (13). When using a master model instead of a Mylar drawing, measure the 2D data with a 3D measuring machine, and apply the data to an automatic programming device to create a 2D NC.
This is to create data (13). On the other hand, press (
29), a draw panel (30) is made and set on the table of a three-dimensional laser processing machine (12) to form a workpiece. The two-dimensional NC data (13) is passed through the paper table reader (141) as described above, and the data is sent to the CNC function and
Processing is performed by a computer equipped with a TC function, the tracer head scans the trim line, three-dimensional data in the Z-axis direction is extracted, and three-dimensional NC data (24) is created. This NC data (24) is inserted into the reader (14), the data is arithmetic processed by the computer (11), and X, Y. A laser head (21) is driven via a Z-axis DC servo motor to perform trim cutting of a three-dimensional spring groove. Although a trim sample (31) is obtained in this way, a partially perforated pierced sample can also be made depending on the shape of the work bead. Next, the sample (31) is inserted into another brace (32), and the desired portion of the sample is subjected to flange bending or re-strike processing (33). Is it possible for Sakuichi to check the panel (35) using the Panel Inspection Guide (34') for the panel that has been processed in this way? None: 'Check passed, i.e. if v [S, create 5 tables - 1? 2111F, previous 2-dimensional NC data C13 that has been used up to this point
) was placed on a secondary finished N'C tape <'2's> for machining, and this tape (25) was used to send it to the machine shop.
The C processing machine (31) is driven to perform trim cut line processing (38) of the mold. Panel check (If the check fails at the '3s+ stage, that is, NO, check sheet c'39>4 or data list (
36). In the case of check sheet (39),
A new two-dimensional NC data is created by the automatic programming device (28) based on the digitizer (27) and the digitizer. On the other hand, in the case of Caterist (36), the value of -Nitarist is automatically prominced @(
28) to create new f02 Ibaramoto' NC data. This series of operations leads to Y[S. This way] i+! The 21st is the h-dimensional laser machining machine mentioned above. ('12) shows the front side. i3' shows the copper side view. 'εMesho-i is a gate-type plano mirror, and a part of the ped (46) is equipped with a DC servo zeta (15). The bed (40
) On the left and right sides of the column (42), a cross beam (4 blood) is attached to the top of the column (42). Column (42)
(Is the 421 unit free to go up and down? The current Leros Rail (44)
is provided, and Crossrenil (44E is the main head (
45) are graded. Also main head (45)
5 is a multi-purpose satay head, a laser, an 8-speed rotating spindle, and a tracer and each subbed (21
)(22)(23) at the end. Column (42)
(42) is provided with one axis (46) (Ae), and the vertical axis [
116) Is the upper end of (46) a bevel mechanism or U? ohm i
Cross beam ca. n丙ti>horizontal axis (ii
An electric Ill (48) for the cross rail *# is provided on the top i of the cross-rail (Iii), and is connected to the horizontal shaft ('+71) via the first guiding mechanism (49). The vertical shaft (46) 《46》 meshes with the black rail (44), so by operating the shaft II (48) in forward and reverse directions,
The crawler and rail (44) can be raised and lowered. ? A six screw (50) is installed in the cross rail (44).
) is mounted horizontally, and the main head (45) is driven by a 9-axis DC servo motor (16) attached to one end.
To move in the Y-axis direction'$'7? Wear. The main head (45) is attached to the saddle (51) as shown in an enlarged view in Figure 4.
), a large slide (52'), and an outer shaft DC servo motor (iy') provided on the top of the saddle (51). When the servo motor (11) is moved once, the Z-axis screw (53) and the coupling (54') move upward to raise the slide (52), which has three sub-heads. The lower part of the first sub-head (211 has a nozzle (56) for laser irradiation on the SSI part head), and is raised and lowered in the W-1 axis direction parallel to the Z-axis by the hashidle (57). A laser beam focusing lens (58) is arranged above the irradiation nozzle (se)', a cooling hose (59) and an assist gas supply (60) are arranged. Also, a telescopic retainer (80) that can be expanded and contracted in the Z-axis direction is installed on the mounting part of the focusing lens. The slide (61) part of the sub-head (22) has a high speed rotation thread in the W2 axis direction, and the height 1z (62)?. etc.. Attach the cutting tool (not shown) of 1.Furthermore, attach the tracer (
65), and use the handle (66) to raise and lower W2 in one direction parallel to the Z axis. It is believed that there is. Training. ．． ′・
・．． One server (65) has a stylus (65a) at the tip and three
When scanning a dimensional workpiece, the stylus ('6
The vertical movement of 5a) is extracted as a voltage change amount using a differential transformer (18), and input to the aforementioned tracer controller 0-. As shown in Figures 2 and 3, a pendant arm (68) is attached to the top of the machine, and a pendant box (69) is suspended from the end of the pendant arm (68). 70),
Assemble the frame (11) in the bit on the side of the bed, and place the laser unit (72) and beam machine (73) on it. Laser II.
%yl・(72) smell, CO2 oscillation laser with output 1
0(}~?See?. It has a capacity of 400W..On the other hand, there is a bracket ('74,) on the front of the machine column (42>(42,)).
(Fix 741 and attach a bridge (75) to support the beam delivery means on the upper part of the bra. This means consists of three retainers as described below. The bracket L-(74) on the left side of FIG. , Bu again?
Tsuji (75) is equipped with a second telescope that can be expanded and contracted in the direction parallel to the Y axis using several trolleys (78). protection.
A cylinder (.79) is suspended. Furthermore, the telescopic protection %i1 (801) of voice 3, which can be expanded and contracted in a direction parallel to the Z axis, is attached to the laser head axis of the main 5 (45). .77.) is a built-in mirror (I11 (98)) that bends the laser beam at right angles to the first beam of the first beam. To (81) is afternoon!
・The upper end of the first protection tube (..77.) and the second protection tube (..77.)
79) There is a 112 to spring obchi at the intersection of one end ta (82), . Also, the second protection tlil(,
79) The other end of Q is the upper end of the main head (45). X
Book]・1β4) is held, and the third protective tube (80)
is combined with Furthermore, Anti-Ikkyō [98. ) (As shown in Figure 4, the laser beams are installed at an angle of 45° in each beam.
The laser beam oscillated by the enhancer (72)
After increasing the energy with γ3), the first bee. The first protection 11 is reflected by the reflective mirror of Muobicalconit (81)! iI (77), then guided to the second protection field c791 by the second (1 mui゜petit force unit i ~ (82)), and finally the 39th unit (83...
) was taken by the main head (45) in the third
9 protection 1! HllO) and passes through a focusing lens (58). irradiated from the nozzle (56). It will be done. ．． ．． Above processing-
Cut the trim line of the 3D workpiece using the . Ting 1. First, tape. Set the workpiece on the table (41).Meanwhile, data of the two-dimensional NC data created based on the Mylar drawing or model is
) Ichiriki!・Move the next head (45) to the reference point of the workpiece and move the hand? 11111 Operate the lever (66) to lower the slide (61) and remove the tray. -1:1 Controls the position of the head (23). of two-dimensional data.
．． ．． 1- Process the data with the amp coater (11) and D1 in the X-axis direction.
111111? 01 Drive the Novo motor (15) to move the table (41)
is moved to the water shell, and the servo motor (16
) of the tracer head while moving the head left and right along the cross rail.
The displacement in the Z-axis direction is obtained by 1 to ray υ.
The input to the controller drives the DC servo motor (17), thus making the stylus of the tracer head go around the trim line. During this time, X, Y. Z
Combining axial data and tolerance value]
) to create three-dimensional NO data. Next is the tracer head). l'. ''? (23) to its original position, move the laser head (21) parallel to the laser position, and then
1:1 The irradiation nozzle (56) is brought closer to about 1.51 points from the surface of the workpiece. After doing this, the above three-dimensional NC
Based on data. D. Play back the whole evening! , unprocessed machine ri 2) to X. Thread along the Y and Z axes. 3D driving in 1. Have them do it. On the other hand, start up Laser Units l-(72): Eraser beam. generate. As mentioned above, the laser beam is enhanced (13), laser beam A7. Dical unit h (81..) (82) (83), protection tube (7
7) Irradiate from the irradiation nozzle (56) through (80) and the focusing lens (58), and cut the same line as the line skimmed with one helice. After cutting, reverse the handle (57) and return the irradiation nozzle to its original position. It is p to return it to its position. The laser irradiation nozzle (56) is shown enlarged in FIG.
Like Casey. A lens (58) is built into the ring (85), μ, . At the bottom is the assist gas supply pipe (60)
is being prioritized. Irradiation. Bring the slurry (56) close to the workpiece (11.Q). Not good. When the Beam (86) is irradiated, the Cape Terumisaki point (81) is heated and at the same time. The water is ejected from the supply pipe (60). Due to the multiplicative action with the auxiliary gas, the radial part (.117) h<. 'tJ solution. Then, it was severed. Ru. In Figure 7, the workpiece is a horizontal plane. above. Distribution. Place.
However, the three-dimensional workpiece can be processed not only in the horizontal plane but also in the z direction. During that time. includes an inclined surface. - If the slope exceeds, for example, 45", melt the area obliquely below the irradiation point. The one shown in Figure 8 is oriented in the direction of laser beam irradiation as described above. This makes it possible to process a machined surface that is tilted by the angle in the same way as a machined surface that is perpendicular to the machined surface.In other words, the assist 1 gas is applied in exactly the same direction as the laser beam irradiation direction. Instead of blowing out the assist gas in a direction different from the laser beam irradiation direction, the assist gas is blown from the h direction, which is almost perpendicular to the irradiation position. As shown in Figure 8, a focusing lens (58) is built into the casing (85) of the laser beam irradiation nozzle (88), and a gas supply pipe (89) is provided below the focusing lens (58).Casing (85) Separately, a jet nozzle (90) is arranged to jet assist gas toward the irradiation point (87) of the laser beam (8B).When processing the workpiece (110), the laser beam irradiation nozzle ( 88) to the all point (87) on the workpiece (and then the Ashiz+Gaz jet liquor nozzle (90) also points to the two points ('8).
7.) Blow Iq+i et al.? A portion of the assist h gas is 1
There is some sleet that is reflected here and enters the σ-thing (85) through the small hole. ? The gas supply pipe (89) eliminates this fear by sending a suitable amount of gas into the casing and blowing it out from the small hole, creating a T arc curtain in the small hole. This prevents assist gas from entering. In this way, even if the angle of the laser beam hitting the workpiece is steep, the Assis 1 gas can be applied to the workpiece and blown in an almost perpendicular direction. Figures 5 and 6 show a front view and a side view of another modification of the 3-axis drive processing machine. This device 1 eliminates the vertical shaft in the column and the motor for lowering the cross-lens on the cross beam. Rigid columns (91) (91) are erected on both sides of the Zunawara bed (40), and a cross rail (92) is fixed to the top thereof. The cross rail (92) is a cross rail (92) in the Y-axis direction (
50) is mounted horizontally, and the main main head (45) is moved in the Y-axis direction by a DC rib motor (1G). ing. At the rear end of the bed (40) there is a figure 3 and Jti1.
DC-tJ-BOMO. in the X-axis direction. It has one ta (15). At the rear of the upper part of the main head (45) is a DC servo motor in the Z-axis direction. (17), and the stroke of the main head (4, 5) was made larger than those in Figures 2 and 3. There is. The main head (45) has a laser, a high-speed rotating spindle, and a laser subhesid (21), (22), and (23), and the beam from the laser zaconite (73) on the side of the bed is connected to an enhancer ('73'l).;・? Ho. Letter. (77・)(.79
1 and is guided to the irradiation nozzle through (80) as before. Ru. In the case of Figures 5 and 6 1. In this case, the crossrail lowering motor is omitted and the vertical shaft is passed inside the column. Since it is not done, the whole thing can be manufactured at low cost.・
:... ．． ．． ' Next, the use of the system of the present invention will be explained. ■． Cutting sheet metal for pressing (blank cutting): As shown in Figure 9, a two-dimensional NC table (100) was created based on the data that was first theoretically developed. Cut the sheet metal (1021) with a laser machine (101). Press the metal (102) onto the cut 1 to sheet 1 (draw or form in 1031). Cut this with the inspection jig (1041). As a result,
If the cut 1~ line after drawing is bad, the two-dimensional NG tape is corrected, and a blank samble panel is made again by laser cutting. When the check is YES, a blank NC tape for die processing is created based on the data of the used NC tape, and the blank mold is produced by an N'C machine. ■． 1 - Check and correct the rim line. Figure 10 shows a draw panel made with a press [+061], trimmed with a laser machine (1071), and another press (
1 shows a case in which restrike or flange bending is performed at 1081 and checked using an inspection jig (109).・For flange bending, use one drawer (as shown in Figure 11).
93) is stretched and bent to form a 7-lunge (94) shown in dotted lines. Can you do it? . The distance from the bending point (95) to the trim cut line (96) ['ff is the distance developed on the draw curve (93) so that the flange length becomes the official dimension L from the bend point when bending the flange after trim cutting. Must be in position. Although it is not impossible to determine such a cut line using a theoretically analyzed program, it is difficult in practice. Also, as shown in Figure 12, the draw curve (93)
In order to restrike the approximately central part of the frame to obtain the shape shown by the dotted line (97), the trim cut line (96) must be set so that the flange length K becomes the positive length M during the restrike process. do not have. In this case as well, determining the trim line is very difficult. Conventionally, confirmation work has been carried out by repeatedly modifying the trim mold itself or by creating sample panels by hand, but both methods require great expense and time. The system of the present invention is effectively applied to solving such problems. If the system of the present invention is diagrammed in accordance with the above work, the first
This will be the right half of the diagram. That is, according to the present invention, the two-dimensional NG tape (13
), the tracer head (23) scans the trim line and converts it into three-dimensional NO data (24), and then laser cuts the trimmable panel and attempts post-processing such as flange bending and restriking. ,
To check. If the check result is bad, modify the 2D NC data and repeat the above cycle. When the result is good, create the NC data for mold production based on the NG data used for the last trim sample production. Create a trim mold. ■． Cutting metal for gauges and creating cross-sectional gauges for checking fixtures When a metal gauge of any cross section or a gauge for checking fixtures is required for a three-dimensional mold or model, NC data is available. If not, use the following process. 1) Scan the model to obtain gauge cross-sectional shape data. At this time, within this system, data of X, Z or Y, Z is transferred to X. Convert to Y. tl) Edit the output data into NG data offset by the radius of the stylus. ii1) The laser head is driven to cut the metal sheet based on the NC data of ii). ■． Measurement of master model and automatic creation of NC data Scan the master model and output curved surface data as NO data. Using the v6 master model's NO machining high-speed rotation spindle, we perform curved surface machining, ridgeline machining, and profile of the model using 3D and 2D NO data prepared in advance. ■Simple blank die jaw production using lamination method■. Trim and piercing processing of press panels for test cars (semi-mass production) ■. Profile cutting of styrosil foam for FMC A scaled or enlarged FMC (full mold casting) profile is processed using the scaling function of this system. Various other processing is possible depending on the invention. As detailed above, the present invention has three sub-heads such as a tracer, a laser beam irradiation nozzle, and a high-speed rotating spindle.
Dimensional processing machine and CNCIliII! It drives the tracer based on the two-dimensional NO profile, extracts data in the Z-axis direction, creates a three-dimensional NG tape, plays back this data, and accurately laser cuts the scanned line. Therefore, it is possible to process a three-dimensional workpiece with extremely high precision.

[Brief explanation of the drawing]

Figure 1 is a block diagram of the cutting system of the present invention, Figure 2 is a front view of the three-wheel drive laser processing machine used in the present invention, Figure 3 is a side view of Figure 2, and Figure 4 is the same as Figure 1. 5 is a front view of another embodiment of the 3-axis drive laser processing machine, FIG. 6 is a side view of FIG. 5, and FIG. 7 is a diagram showing laser irradiation used in the present invention. Enlarged cross-sectional view of the nozzle,
Fig. 8 is an enlarged sectional view of another laser irradiation nozzle, Fig. 9 is a block diagram of the blank force cutting process during press mold manufacturing, Fig. 10 is a block diagram of steps 1 to rim cutting, Fig. 11 and FIG. 12 is an enlarged cross-sectional view of the end of the draw panel when the draw panel is trim-cut. (11): Computer (121: 3D drive processing machine (13): 2D NC tape (14): Table reader (15) (16) (+7): NC servo motor (20)
: Table puncher (21): Rade head (22): High-speed rotation spindle head (23): I-Racer head (241: 3-dimensional NO tape (old): Table (43): Cross beam (44): Cross rail (45) : Main head (48): Cross rail lifting motor (501: Cross screw (56). Laser irradiation nozzle [65): Tracer (65a): Stylus (12)/Laser unit (73): Beam enhancer ('75) : Bridge f771 (79) (80) + Ho'am (81) (B2) (83): Beam optical power unit (110): Three-dimensional workpiece

Claims (1)

[Claims] (1). x. Compatibility in the y and z axes. a movable three-dimensional drive processing machine; a laser unit disposed on the side of the processing machine; A two-dimensional NC table with directions X, Y, and direction:
Based on and the above-mentioned processing machine. The CNC function drives the laser head, scans the required line of the 3D workpiece, extracts the Z-axis direction data, converts it to a 3D NO tape, and uses the playback method to drive the laser head. ．． ．． do. From a computer with CTCll functionality. Become. 3D workpiece using playback method. Laser powering system. ,' (2). A three-dimensional drive processing machine consists of a table that can reciprocate in the horizontal direction (X-axis) at the top of the head, a pair of columns that stand up on both sides of the table, and a passing machine on the top of the column.
The cross screw installed horizontally inside the cross screw allows for movement in the cross direction (Y axis).
The special head is equipped with three sub-irradiation nozzles: a laser irradiation nozzle, a high-speed spindle, and a tracer, each of which is assembled to the front of the main head so that each can move in the vertical direction (Z-wheel). Paragraph 1 of the claim: A laser cutty for a three-dimensional workpiece using a playback method. system.・．． ．． ．．・(3) Three-dimensional drive. ．． The processing machine is Te-Puru. horizontally
To? One was placed at one end of the main head so that it could be moved. D for X axis. Csa1-bomo. Patents and permits that have A three-dimensional workpiece based on the play-back method described in item 1 or 2 of the requirements. laser cutting system. 1<4>, 3D drive processing machine has 8 columns in front
Supports the bracket and laser beam delivery mechanism.・、． 1:1? ．． ．． 1.. ．．・? ．．・：With the bridge passed to the upper end of the bracket to hold it? i appeasement. l'tj
? '・Te(Kuru Patent 1i: $','s enclosure 1st term or i12? 1... play of the glance... at the end of the back direction...
evening. Laser cutting system for 9 arbitrary workpieces. (5) Laser beam delivery means 1';tll'lt
'． ” - side bracket・11.?■ The first telescopic bracket installed vertically in the Z-axis direction on the - side!
! The tube is articulated with the bridge and placed in the Y-axis direction.
Second telescovic protection! ilII and from the IA end of the second Teleskowitz guard W1- to Leni Zaem? Terudo Nozuno C: Until? Mebide's 1st telescopic protective envelope and the 2nd Brits Ji? ” in the Y-axis direction.
Pledge? Second? A third telescope extending from the tip of the second telescope tube to the laser beam irradiation nozzle and arranged in the Z-axis direction.
the first beam optical unit of the reflector interior provided at the intersection of the telescopic protection tube of the laser unit, the enhancer of the laser unit, and the first protection tube, and the intersection of the first protection tube and the second protection tube; a third beam optical unit provided at the intersection of the second protection tube and the third protection tube;
Beam O'11. - A tertiary system according to the playback method described in Patent Claim 11, Seitake-machi-en, which is composed of a physical unit and Paragraph 4. Original workpiece 9 rays. +7. ．． 7 cutting shi 3 te now. . (6) Processing yBi:. 3 according to the playback method described in claim 1 or 3, which has a position control motor for raising and lowering the cross rail on the upper part of the cross beam in addition to the DC servo motor for the z-axis direction. Dimensional machining's first Reniza Kajiting system.