CN1295071C - Compound rapid forming method and device by integration of light solidification and fusion sediment - Google Patents
Compound rapid forming method and device by integration of light solidification and fusion sediment Download PDFInfo
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- CN1295071C CN1295071C CNB200510026233XA CN200510026233A CN1295071C CN 1295071 C CN1295071 C CN 1295071C CN B200510026233X A CNB200510026233X A CN B200510026233XA CN 200510026233 A CN200510026233 A CN 200510026233A CN 1295071 C CN1295071 C CN 1295071C
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Abstract
The present invention relates to a composite rapid forming method and a composite rapid forming device for integrating light solidification and melting deposition. The method of the present invention comprises a light solidification forming method and a melting deposition forming method; an external precise contour is formed by the light solidification forming method, and an internal large block area is formed by the melting deposition forming method. The device of the present invention comprises a light solidification forming system and a melting deposition forming system between which an automatic forming head switching system is arranged, and a microcomputer control system assists the two systems and the automatic forming head switching system by digital control. The present invention integrates the advantages of the two rapid forming methods so as to overcome the disadvantages of the two rapid forming methods; the light solidification forming method has the advantages of high forming precision, great capability of detail manufacture and fine quality of a prototype surface, and the melting deposition forming method has the advantages of wide range of material selection, fine performance of a prototype piece and low manufacturing cost. The present invention is suitable for the manufacture of precise pieces such as detection tools, moulds, aesthetic products, medical machinery, etc.
Description
Technical field
The quick forming method and the device that relate to a kind of fast shaping technology, compound rapid forming method and device that particularly a kind of photocuring and fusion sediment are integrated.
Background technology:
Be shaped fast and make (Rapid Prototyping ﹠amp; Manufacturing-RPM) technology is a high-new manufacturing technology that grows up late 1980s, it has thoroughly broken through traditional manufacturing mode, realize the monolithic molding of any complex parts based on the material summation, it can compare favourably with Numeric Control Technology to manufacturing influence.The RPM method of Chu Xianing is to adopt the photocuring method (Stereolithography-SL) of laser as the shaping energy the earliest, and MIT has applied for first patent of SL in 1974, but has just abandoned soon; Doctor Kodama of Japan Nagoya Prefecture research institute has applied for another patent in 1980, but has also abandoned in 1987; The Charles Hull of California, USA UVP company has studied in great detail and has adopted LASER Light Source successively to add up by cured resin thin layer optionally to make the SL method of 3D solid subsequently, and applied for patent (Hull C. in 1984, make the equipment of 3D solid by SL, U.S. Patent number 4575330, on March 11st, 1986), simultaneously, the shareholder Raymond Freed of Hull and UVP unites the commerce of having founded the exploitation SL of 3D System company and uses, and becomes the leading firm of SL former in the market.Another kind of typical R PM method is fusion sediment forming process (Fused Deposition Modeling-FDM), it adopts conventional thermal source as the shaping energy, its shaping thought is proposed in 1988 by the engineer Scott Crump of U.S.'s Minneapolis, develop first Tianwan businessman industry type 3D-Modeler in 1992 and applied for patent (Crump S., the 3D solid former, U.S. Patent number 5340433, on August 23rd, 1994), the Stratasys of its place company is the main manufacturer of present FDM equipment.Except above-mentioned SL and FDM method, developed at present and selected laser sintered SLS, laminated solid body to make tens kinds of RPM method and apparatus such as LOM, mask curing SGC, and be successfully applied to fields such as product design check, market prediction, engineering test, assembling test, mould manufacturing, medical science, aesthetics.
Main several fast forming process all respectively have characteristics at present, and are as shown in the table:
| Title | Photocuring method SL | Laser sintered method SLS | Laminated solid body autofrettage LOM | Fusion sediment method FDM | Mask solidification method SGC |
| Manufacturer | 3D, CMET Inc. | DTM company | Helisys company | Stratasys company | Cubital company |
| The shaping energy | The laser ultraviolet source | Laser | Laser | Thermal source | Ultraviolet source |
| Material | Photosensitive resin | PVCs polycarbonate nylon casting wax | Paper material composite | Nylon, casting wax synthetic rubber ABS plastic | Photosensitive resin |
| Advantage | Generally acknowledged precision is the highest, size 100mm with interior be ± 0.1, be no more than 0.5% greater than 100mm; The make efficiency height; Stock utilization is near 100% | Price is low, the odorlessness material, available multiple mechanical property ratio photosensitive resin better material; Do not need anchor clamps | Make efficiency is higher than 5～10 times of additive methods, and reason is that laser is only made profile scan; The cheap odorlessness of material; The make-up machine price is low | The cheap odorlessness of material; Do not need anchor clamps | Claimed accuracy is higher; Need not support or anchor clamps |
| Shortcoming | Need the more crisp resin material costliness of backing material, scent of | Ratio of precision SL is low; Technology is newer, and developing history is shorter; Z is to the difficult control of precision | Ratio of precision SL is low; Need to remove the burr and the waste material at laser cut place; Some structure waste material is difficult for peeling off; The internal stress that laser causes easily causes warpage; Stock utilization is low | Ratio of precision SL is low; Need to support; Model appearance gray; Some structure is difficult for generating | The equipment manufacturing cost height; Complex process; Poor reliability; Bulky |
As can be seen from the above table, the subject matter of SL process existence is:
(1) operable moulding material is limited, main at present epoxy or the acrylic acid photosensitive resin of adopting;
(2) because the limitation of material, be shaped the prototype mechanics and the mechanical performance that are relatively poor, are easy to generate distortion, have influenced the follow-up mould accuracy of manufacture;
(3) the SL method mainly adopts laser as the shaping energy, and laser system (comprising laser instrument, cooler, power supply and outer light path) price and maintenance cost costliness, resin material is also more expensive in addition, so cost of manufacture is higher.
And the problem that FDM exists mainly is:
(1) owing to adopt liquid filaments material cooled and solidified to be shaped, and the diameter of silk material when solidifying is difficult to accurately control, so be shaped the prototype precision and the surface quality that are relatively poor;
(2) some structure is difficult for generating.
In sum, different RPM processes is each has something to recommend him, yet but all there is such or such limitation at aspects such as forming accuracy, efficient, cost, material and prototype performances. along with going deep into that the RPM technology is used, the industrial user more and more is not content with present making ability of RPM and prototype performance, has higher requirement; On the other hand, along with CNC machining center and high speed machining develop rapidly, the precision of traditional manufacturing technology, surface quality, efficiency cost etc. are greatly improved, and have also proposed new challenge to RPM.Therefore, RPM is outstanding day by day in the limitation of aspects such as forming accuracy, efficient, cost, material and prototype performance, has become the main bottleneck problem of this technology at present.
Summary of the invention
The object of the present invention is to provide integrated compound rapid forming method of a kind of photocuring and fusion sediment and device, can the typical fusion sediment manufacturing process of effective integration FDM and typical photocuring shaping method SL, by the mutual supplement with each other's advantages of the two, realize the combined shaping of high-performance prototype.
The technical problem to be solved in the present invention is:
The possess skills typical feature at initial stage of present RP technique, be that each manufacturing process all has its corresponding former, hardware configuration establishes one's own system, relative closure, and there is very big otherness in the realization mechanism of FDM and SL, original institution system can't be realized the complementary integrated of differing formed method, so realize the combined shaping of different quick forming method FDM and SL, must solve following technical problem:
(1) can compatible FDM and the hardware architecture of two kinds of quick forming methods of SL;
(2) integrated combined forming process and the control method thereof of two kinds of methods of FDM and SL.
In order to achieve the above object, design of the present invention is:
The present invention proposes the combined shaping thought of different fast shaping technology process integration, it is different from forming monomers technology fast such as FDM and SL, quick shaping integrated approach also different from the past, adopt FDM and two kinds of technologies of SL to make 3D solid jointly, be conceived to the integrated of manufacture craft process, because each quick forming method all based on the identical layering/shaping principle that adds up, so integrated cost is low, is easy to realize.
(1) combined shaping new construction
By functional requirement analysis to FDM and each manufacturing process of SL, assess the general degree of each builder functional module, the new architecture of combined shaping has been proposed, mainly form by three-dimensional motion system and shaping automatic switchover system.
SL and FDM all need three-dimensional motion system, but adopt different mechanisms to realize: SL rotates by galvanometer and realizes the scanning of X-Y plane light path, and basic platform realizes that Z is to elevating movement, as shown in Figure 1; FDM is installed in shower nozzle on the X-Y plane motion, and shower nozzle can be realized X-Y plane scanning motion and Z to elevating movement, and basic platform also can be Z to elevating movement, as shown in Figure 2.The two original mechanism is difficult to directly integrated.
If transform SL as flexible optical circuit system based on the rigidity light path system of optics based on optical fiber, then the kinematic system of the two can be unified into the three-dimensional motion system that X-Y plane travel mechanism and Z form to hoistable platform, unique difference is the forming head difference of clamping in the travel mechanism, can make things convenient for like this, realize at low cost that the two is integrated.
The present invention forms unified three-dimensional motion system by X-Y plane motion and Z to the lifting basic platform, and transform SL as SL flexible forming head system based on the rigidity light path formation system of optics, this flexible forming head system comprises the flexible optical circuit system and the light focus head of shaping light source, optical fiber composition, thereby make the above-mentioned three-dimensional motion system can compatible FDM and SL, as shown in Figure 3.
In order to realize the combined shaping of FDM and SL, top SL flexible forming head and FDM shower nozzle must be able to freely switch, so the present invention installs open-close type clamping device and form the forming head automatic switchover system on the X-Y plane motion, as shown in Figure 4.This clamping device can clamping or is put down the FDM shower nozzle, but also clamping or put down the SL forming head, thus realize freely switching of differing formed head; This clamping device can be realized any orbiting motion on X-Y plane, realize the scanning motion of FDM and SL technological requirement.
(2) combined forming process and control method
The same with SL and FDM technology, combined forming process at first needs to set up the three-dimensional CAD model of target entity prototype, and this model is carried out layering in Z-direction handle, and obtains the layering outline data of being made up of a series of X-Y two dimensional surface.
Secondly, for SL and FDM technology, fill the inside that all needs to carry out the layering profile, and wherein FDM only need carry out the unidirectional filling of directions X or Y direction, and SL then need carry out the two-way filling of directions X-Y direction to form the cross grid.So combined forming process need be according to SL and FDM process characteristic separately, i.e. the inner bulk of the suitable shaping of FDM zone, the SL shaping external fine profile that suits, according to suitable regional partition strategy, every layer of profile interior zone is divided into SL fill area and FDM fill area, as shown in Figure 5; Generate two-way interstitial wire data at the SL fill area then, generate unidirectional interstitial wire data at the FDM fill area.
The entity layering outline data that generates is above become numerically controlled data with inner interstitial wire data conversion, can drive quick shaping executing agency and carry out layering and make.
In manufacturing process, guarantee the realization of combined forming process flow process by rational forming process control method.The startup order of SL and FDM technology at first definite every layer of making, for example every layer is carried out the FDM making earlier, carries out SL then and makes; Adopt control system shown in Figure 6 then, choose first kind of forming head this zone thin layer that is shaped according to this order control forming head automatic switchover system; Control the forming head automatic switchover system again and switch second kind of forming head this zone thin layer that is shaped; During interface between the shaping zones of different, regulate heat output, to strengthen the crosslinked again of interface by corresponding control strategies; After so the subregion was shaped a layer entity thin slice, control Z moved to hoistable platform, made one deck down; Successively combined shaping is produced the 3D solid of requirement at last.
According to the foregoing invention design, the technical solution used in the present invention is:
The compound rapid forming method that a kind of photocuring and fusion sediment are integrated, comprise photocuring shaping method and fusion sediment forming process, it is characterized in that forming the profile of external fine, and form inner bulk zone by described fusion sediment forming process by described photocuring shaping method.
The operating procedure of above-mentioned compound rapid forming method is as follows:
(1) set up numerically controlled data:
1. set up the three-dimensional CAD model of target entity prototype;
2. above-mentioned model is carried out layering and handle, obtain the layering outline data of forming by a series of X-Y two dimensional surface;
3. each layering profile is marked off external fine contour area and inner bulk fill area;
4. above-mentioned external fine contour area is provided the two-way cross grid interstitial wire data of directions X-Y direction, and above-mentioned bulk fill area, inside is provided the unidirectional interstitial wire data of directions X or Y direction.
(2) manufacturing process:, do following shaping and make according to above-mentioned numerically controlled data:
1. on basic platform, earlier from orlop, adopt earlier the fusion sediment method that fusion sediment is carried out in undermost inner bulk fill area and be shaped, optical solidified liquid is flushed with fill area, in optical solidified liquid, undermost external fine contour area is carried out the photocuring shaping;
2. be shaped to descending most the second layer to adopt earlier the fusion sediment method that the inside bulk fill area of this layer is carried out fusion sediment, decline-rising basic platform then, optical solidified liquid is flushed with new fill area, in optical solidified liquid, the external fine contour area that descends the second layer is most carried out photocuring and be shaped.
Successively form until the superiors in the above described manner and finish monolithic molding.
The device that the integrated compound rapid forming method of a kind of above-mentioned photocuring and fusion sediment is used, comprise a photocuring shaping system and a fusion sediment formation system, it is characterized in that a forming head automatic switchover system is arranged between described photocuring shaping system and the fusion sediment formation system, by the automatic switchover of forming head between the collaborative numerical control photocuring shaping system of a Control System of Microcomputer and fusion sediment formation system and this two system.
The structure of above-mentioned fusion sediment formation system is: a grooving 12 is arranged, X-axis motion bracket 9 is set on it, Y-axis motion bracket 8 is set on the X-axis motion bracket 9, forming head automatic switchover system 7 is set on the Y-axis motion bracket, fusion silk material wire feeder 6 is delivered to fusion sediment shaping shower nozzle 4 with fusion silk material 5, this shaping shower nozzle 4 is in when not working on the fusion sediment shaping shower nozzle lay-down position 14 in grooving 12 upper right corner, automatically switches in the keying clip of forming head automatic switchover system 7 when being worked by Control System of Microcomputer control; The structure of described photocuring shaping system is: fill photocuring liquid 15 in above-mentioned grooving 12, be provided with lifting basic platform 11 in the grooving 12 for layering shaping usefulness, a light source 1 connects light focus head 3 through optic fibre light path system 2, this light focus head is in when not working on the light focus head lay-down position 13 in grooving 12 upper left corners, automatically switches in the keying clip of forming head automatic switchover system 7 when being worked by Control System of Microcomputer control.
The present invention compared with the prior art has following conspicuous outstanding substantive distinguishing features and remarkable advantage:
From compacting mechanism, photocuring (SL) method adopts ultraviolet light shapings such as laser, and fused deposition method (FDM) adopts heat energy to be shaped, the former forming accuracy height, it is strong to make the details ability, and the prototype surface quality is good, but Available Material is limited, product mechanics and bad mechanical property, and cost is higher; The latter can select for use material ranges wide, and the prototype performance is good, and cost of manufacture is also lower, but precision and surface quality are relatively poor.This two classes forming technology is having his own strong points aspect making ability and the part performance, with strong complementarity, therefore the present invention adopts integrated approach, compare with the FDM process with original SL, have the following advantages: (1) is with the lower cost materials of the FDM inner bulk zone that is shaped, with SL photosensitive resin material shaping external fine profile, can effectively reduce material cost; (2) because the most of the time of combined shaping process is adopted the conventional thermal source of FDM, greatly reduce expensive laser instrument service time, so effectively reduce the equipment use cost; (3),, the combined shaping efficient of prototype improves so having significantly than SL process because the FDM forming efficiency is higher; (4) because exterior contour adopts SL to be shaped, and the relatively poor FDM material of shaping precision is confined to prototype inside, so prototype has kept original precision and the surface quality of SL, and improves a lot than FDM; (5) because the FDM material of better performances is mainly adopted in prototype inside, so the mechanics of whole prototype and mechanical property ratio SL are greatly improved; (6) though the precision, the roughness that form at the material at the inner differing formed regional combination interface of prototype place are very poor,, do not influence the contour surface quality under the physics of complexity, chemical reaction owing to be confined to the inside of prototype; (7) because the SL material forming different with the FDM process using, so this combined shaping method has been realized the integrated of material naturally, can make many materials phase prototype, and can realize the subregion customization of its performance by the selection of material, this be quick forming method and other traditional handicraft (as turning, milling, grinding etc.) integrated irrealizable.
In sum, the present invention can integrated SL and FDM advantage, have complementary advantages in that precision, efficient, cost, prototype surface quality and performance etc. are many-sided, thereby the integral body that realizes RPM technological synthesis performance improves, high efficiency, low cost ground making high-performance prototype.
The present invention is applicable to the manufacturing of precision parts such as detecting apparatus, mould, aesthstic goods, medical science machinery.
Description of drawings
Fig. 1 is the schematic diagram that photocuring is shaped.
Fig. 2 is a fusion sediment shaping schematic diagram.
Fig. 3 is the basic structure schematic diagram of compound molding device of the present invention.
Fig. 4 is a forming head automatic switchover system structural representation.
Fig. 5 is shaped to divide the layer cross section interior zone to divide schematic diagram.
Fig. 6 is the Control System of Microcomputer theory diagram.
The specific embodiment
A preferred embodiment of the present invention is:
The structure of the compound rapid forming device that this photocuring and fusion sediment are integrated:
This project is integrated existing photocuring SL (principle as shown in Figure 1) and fusion sediment shaping FDM (principle as shown in Figure 2) technology under the framework of numerical control machining center, exploitation figure method of making the three-dimensional physical entity of reservation shape by the progressive forming multilayer material on request on basic platform, the basic mechanism that realizes comprises automatic switchover system, the computer control system of a base platform, X-Y plane motion, FDM forming head system, SL forming head system, FDM forming head and SL forming head, as Fig. 3 and shown in Figure 6.
(1) among Fig. 3, SL forming head system comprises light path system 2, the light focus head 3 of light source 1, optical fiber composition, wherein the light focus head treats that the time spent is positioned over the light focus head lay-down position 13 in grooving 12 upper left corners, fill photocuring liquid 15 in the grooving 12, it is photosensitive resin, lifting basic platform 11 is set, shaping 3D solid prototype 10 on this basic platform 11 in the grooving 12;
(2) among Fig. 3, FDM forming head system comprises FDM shaping shower nozzle 4, a FDM shaping silk material 5, FDM silk material wire feeder 6, and wherein FDM shaping shower nozzle treats that the time spent is positioned over the fusion sediment shaping shower nozzle lay-down position 14 in grooving 12 upper right corner;
(3) among Fig. 3, the X-Y plane motion comprises by motor-driven X-axis motion bracket 9, is installed on the X-axis motion bracket by motor-driven Y-axis motion bracket 8, and this mechanism can realize the two dimensional surface motion;
(4) the forming head automatic switchover system 7 among Fig. 3 is made up of the relay of clamping device and the folding of control clamping device as shown in Figure 4, and relay is controlled by computer control system.Relay was in power failure state when clamping device was in clamp position, and clamping device clamps forming head by spring; The computer control relay gets when electric, and relay forces clamping device to open to be in release conditions.Forming head automatic switchover system 7 is installed on X-Y axle intersection point place on the Y-axis motion bracket 8 among Fig. 3, and it can realize any orbiting motion by the X-Y plane motion on X-Y plane.Computer control system can be controlled X-Y plane motion drive forming head automatic switchover system 7 and move to light focus head lay-down position 13 clampings in grooving 12 upper left corners or put down SL light focus head 3, or move to fusion sediment shaping shower nozzle lay-down position 14 clampings in grooving 12 upper right corner or put down FDM shaping shower nozzle 4, thereby the automatic switchover of clamping forming head on the realization clip;
(5) among Fig. 3, basic platform 11 comprises the plane supporting plate of setting size and drives the motor that it does the elevating movement of Z axle, and the plane supporting plate is arranged in grooving 12, sets spacing by the forming head maintenance of clamping on elevating movement and the top clamping device.When on the clip during clamping FDM shaping shower nozzle 4, FDM shaping shower nozzle can with the X-Y plane motion on request figure realize opposite planar motion with basic platform 11, the plane supporting plate is accepted the fluent material that FDM shaping shower nozzle falls, this fluent material nature cooled and solidified layer entity thin slice that is shaped; When on the clip during clamping SL light focus head 3, the light that light source 1 sends is transferred to light focus head 3 through optic fibre light path system 2 and forms focal beam spot, this hot spot can with the X-Y plane motion on request figure realize opposite planar motion with basic platform 11, the hot spot that moves shines on the photosensitive resin material liquid level that carries on the supporting plate of plane and makes its curing, thereby is shaped a layer entity thin slice;
(6) computer control system is realized by computer and interface circuit as shown in Figure 6, comprises X-Y plane scan control, Z axle lifting control, forming head automatic switchover control, the control of FDM silk material wire feeder and other auxiliary control module.
The technology performing step
(1) at first the three-dimensional CAD model of target entity prototype is carried out layering in short transverse and handle, threedimensional model is changed into a series of X-Y two dimensional surface, form the layering outline data of 3D solid;
(2) at every layer outline data,, every layer of profile interior zone is divided into SL fill area and FDM fill area according to suitable regional partition strategy;
Suitable regional partition strategy is exemplified below, but do not get rid of other method: can adopt the equal space line method, promptly all outline line of this layer are asked equal space line to the entity direction, equal space line can be 1～5mm with respect to the offset distance scope of outline line, then the zone between equal space line and the outline line is the SL fill area, zone between the equal space line is the FDM fill area, as shown in Figure 5; Also can adopt simple subregion method, promptly make auxiliary rectangle to the entity direction at all outline line of this layer, the extreme point of every limit of rectangle and this outline line X, Y direction keeps setpoint distance, this set distance range can be 1～5mm, then the zone between rectangle and the outline line is the SL fill area, and the zone between the rectangle is the FDM fill area.
(3) at the SL fill area generate X to Y to two-way interstitial wire data, at the FDM fill area generate X to or Y to unidirectional interstitial wire data;
(4) the inner interstitial wire data conversion of layering outline data and profile is become the numerical control file;
(5) the 11 rising certain altitudes of the basic platform in Fig. 6 computer control system control chart 3, lifting height equal lift height (bed thickness that forms a unified one of FDM and SL just), make when the making bottom surface of anterior layer to flush with the photosensitive resin liquid level of grooving;
(6) the forming head automatic switchover system 7 in Fig. 6 computer control system control chart 3 moves to the fusion sediment shaping shower nozzle lay-down position 14 in grooving 12 upper right corner, and clamping FDM shaping shower nozzle 4 is chosen FDM forming head system; Then according to the interstitial wire data of FDM fill area, control X-Y plane motion is realized the scanning motion that requires, FDM shaping shower nozzle 4 just can be shaped the entity thin slice of this layer FDM fill area on basic platform 11; Last computer control system control forming head automatic switchover system returns the fusion sediment shaping shower nozzle lay-down position 14 in grooving 12 upper right corner, puts down FDM shaping shower nozzle 4, finishes this layer FDM and is shaped;
(7) the 11 decline certain altitudes of the basic platform in Fig. 6 computer control system control chart 3, for example 2 times of shaping bed thickness immerse under the photosensitive resin liquid level entity part that has been shaped fully, guarantee the resin levelling and are full of the unshaped zone; Basic platform in the control chart 3 11 rising certain altitudes then, for example a shaping bed thickness makes the FDM entity top that has been shaped flush with the photosensitive resin liquid level;
(8) the forming head automatic switchover system 7 in Fig. 6 computer control system control chart 3 moves to the light focus head lay-down position 13 in grooving 12 upper left corners, and clamping SL light focus head 3 is chosen SL forming head system; Then according to the interstitial wire data of this layer cross-sectional data and SL fill area, control X-Y plane motion is realized the scanning motion that requires, SL light focus head 3 just can be shaped the entity thin slice of this layer SL fill area on basic platform 11; Last computer control system control forming head automatic switchover system returns the light focus head lay-down position 13 in grooving 12 upper left corners, puts down SL light focus head 3, finishes this layer SL and is shaped;
(9) repeat (6)～(8) step, use with quadrat method and make next layer entity thin slice; Successively combined shaping is produced the 3D solid prototype 10 of requirement at last.
Claims (4)
1. photocuring and the integrated compound rapid forming method of fusion sediment, comprise photocuring shaping method and fusion sediment forming process, it is characterized in that forming the profile of external fine, and form inner bulk zone by described fusion sediment forming process by described photocuring shaping method.
2. photocuring according to claim 1 and the integrated compound rapid forming method of fusion sediment is characterized in that operating procedure is as follows:
(1) set up numerically controlled data:
1. set up the three-dimensional CAD model of target entity prototype;
2. above-mentioned model is carried out layering and handle, obtain the layering outline data of forming by a series of X-Y two dimensional surface;
3. each layering profile is marked off external fine contour area and inner bulk fill area;
4. above-mentioned external fine contour area is provided the two-way cross grid interstitial wire data of directions X-Y direction, and above-mentioned bulk fill area, inside is provided the unidirectional interstitial wire data of directions X or Y direction.
(2) manufacturing process:, do following shaping and make according to above-mentioned numerically controlled data:
1. on basic platform, earlier from orlop, adopt earlier the fusion sediment method that fusion sediment is carried out in undermost inner bulk fill area and be shaped, optical solidified liquid is flushed with fill area, in optical solidified liquid, undermost external fine contour area is carried out the photocuring shaping;
2. be shaped to descending most the second layer to adopt earlier the fusion sediment method that the inside bulk fill area of this layer is carried out fusion sediment, decline-rising basic platform then, optical solidified liquid is flushed with new fill area, in optical solidified liquid, the external fine contour area that descends the second layer is most carried out photocuring and be shaped.
Successively form until the superiors in the above described manner and finish monolithic molding.
3. the device used of the integrated compound rapid forming method of described photocuring of claim 1 and fusion sediment, comprise a photocuring shaping system and a fusion sediment formation system, it is characterized in that a forming head automatic switchover system is arranged between described photocuring shaping system and the fusion sediment formation system, by the automatic switchover of forming head between the collaborative numerical control photocuring shaping system of a Control System of Microcomputer and fusion sediment formation system and this two system.
4. the compound rapid forming device that photocuring according to claim 3 and fusion sediment are integrated, the structure that it is characterized in that described fusion sediment formation system is: have a grooving (12) X-axis motion bracket (9) to be set on it, Y-axis motion bracket (8) is set on the X-axis motion bracket (9), forming head automatic switchover system (7) is set on the Y-axis motion bracket, a fusion silk material wire feeder (6) is delivered to fusion sediment shaping shower nozzle (4) with fusion silk material (5), this shaping shower nozzle (4) is in when not working on the fusion sediment shaping shower nozzle lay-down position (14) in grooving (12) upper right corner, automatically switches in the keying clip of forming head automatic switchover system (7) when being worked by Control System of Microcomputer control; The structure of described photocuring shaping system is: fill optical solidified liquid (15) in above-mentioned grooving (12), be provided with lifting basic platform (11) in the grooving (12) for layering shaping usefulness, a light source (1) connects light focus head (3) through optic fibre light path system (2), this light focus head is in when not working on the light focus head lay-down position (13) in grooving (12) upper left corner, automatically switches in the keying clip of forming head automatic switchover system (7) when being worked by Control System of Microcomputer control.
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