WO2005115663A1 - 三次元形状造形物の製造方法及び製造装置 - Google Patents
三次元形状造形物の製造方法及び製造装置 Download PDFInfo
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- WO2005115663A1 WO2005115663A1 PCT/JP2005/009552 JP2005009552W WO2005115663A1 WO 2005115663 A1 WO2005115663 A1 WO 2005115663A1 JP 2005009552 W JP2005009552 W JP 2005009552W WO 2005115663 A1 WO2005115663 A1 WO 2005115663A1
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- WO
- WIPO (PCT)
- Prior art keywords
- reference mark
- light beam
- irradiation
- interlocking
- modeling
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 8
- 238000003754 machining Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims description 81
- 239000000843 powder Substances 0.000 claims description 42
- 238000012937 correction Methods 0.000 claims description 37
- 238000004519 manufacturing process Methods 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims 3
- 239000010410 layer Substances 0.000 description 51
- 238000003384 imaging method Methods 0.000 description 48
- 238000005520 cutting process Methods 0.000 description 12
- 230000001678 irradiating effect Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Definitions
- the present invention provides a three-dimensional shaped article for producing a desired three-dimensional shaped article by irradiating a powder layer with a light beam to form a sintered layer and stacking the sintered layers. More specifically, regarding a technology, a method of manufacturing a three-dimensional shaped structure in which the irradiation position of the light beam and the processing position of the surface of the shaped object are corrected when the surface of the shaped object is removed during shaping. And a manufacturing apparatus.
- a powder layer formed on a modeling table is irradiated with a light beam (directional energy beam, for example, a laser) to form a sintered layer, and a new powder layer is formed on the sintered layer to generate light.
- a light beam directional energy beam, for example, a laser
- a new powder layer is formed on the sintered layer to generate light.
- Patent Document 2 discloses that the surface of a molded article or an unnecessary part as a laminate of sintered layers is gradually removed during the modeling of a three-dimensional shaped article.
- Patent Document 1 Japanese Patent Application Laid-Open No. 8-318574
- Patent Document 2 Japanese Patent Laid-Open No. 2002-115004
- the coordinate system related to the irradiation of the optical beam and the coordinate system of the processing means must be matched.
- deviations in the irradiation position of the light beam deviations in the cutting coordinates due to mechanical deformation due to spindle heat generation and environmental temperature changes in the machining means have a great influence on the machining accuracy of the model.
- the modeling table rises in temperature and is displaced under the influence of irradiation with a high-energy light beam or heat generated during removal processing by the processing means. In particular, when the modeling table is displaced during processing, the light beam irradiation position and the processing position by the machining means are shifted from the part that was modeled before the displacement.
- the present invention has been made in view of the above-described problems of the prior art, and can accurately correct the irradiation beam misalignment of the optical beam and the processing misalignment caused by the machining means.
- An object of the present invention is to provide a manufacturing method and a manufacturing apparatus for a three-dimensional shaped object capable of manufacturing a highly accurate modeled object.
- the present invention irradiates a predetermined portion of the powder layer with a light beam to form a sintered layer, and supplies a new powder layer on the sintered layer.
- the first position measuring means measures the initial position of at least one interlocking reference mark provided in the vicinity of the modeled object
- the second position measuring means provided in the processing means detects the interlocking reference mark.
- the initial position is measured, the position of the interlocking reference mark is measured by the first position measuring means and the position of the interlocking reference mark is measured by the second position measuring means during the modeling, and the interlocking before the modeling is performed.
- the initial position of the fiducial mark and up during molding Based on the position of the interlocking reference mark measured by the first and second position measuring means, the irradiation position of the light beam and the processing position by the carburizing means are corrected based on V. .
- the position of the stationary reference mark separated from the interlocking reference mark is measured by the first and second position measuring means before and during the modeling, and the interlocking reference mark before the modeling and the above-mentioned
- the irradiation position of the light beam and the processing position by the machining means are corrected based on the difference between the stationary reference mark and the difference between the interlocking reference mark and the stationary reference mark in the middle of modeling.
- the present invention provides a modeling table, a powder layer forming means for supplying a powder onto the modeling table to form a powder layer, and a predetermined portion of the powder layer formed by the powder layer forming means.
- Light beam irradiation means for irradiating a light beam to sinter powder at an irradiation position, and a tertiary means provided with a machining means for machining the surface of a plurality of sintered layers formed by the light beam irradiation means.
- a manufacturing apparatus for an original shaped article at least one interlocking reference mark provided in the vicinity of the modeling table, and a first position for measuring the position of the interlocking reference mark via the light beam irradiation path Measuring means, second position measuring means provided on the processing means for measuring the position of the interlocking reference mark, and the interlocking reference measured by the first and second position measuring means before and during modeling.
- Based on the mark position It is characterized by comprising control means for correcting the irradiation position of the light beam and the processing position by the processing means.
- control means is configured to detect the light beam based on the irradiation position correction amount of the light beam obtained by measuring the irradiation trace of the light beam emitted toward the predetermined position by the first position measurement means. The irradiation position of the beam is corrected.
- the manufacturing apparatus for a three-dimensional shaped object includes at least one interlocking reference mark provided in the vicinity of the modeling table, the position of the interlocking reference mark, and the light beam irradiated toward the predetermined position.
- a first position measuring means for measuring the position of the irradiation mark, a second position measuring means for measuring the position of the interlocking reference mark provided in the processing means, and the first and It may be configured to include a control means for correcting the irradiation position of the light beam and the processing position by the processing means based on the position of the interlocking reference mark measured by the second position measuring means.
- the second position measuring means can also be used as the first position measuring means.
- an immovable reference mark that is separated from the interlocking reference mark and is position-measured by the first and second position measuring means is provided outside the shaping table, and the control means is provided before and during shaping.
- the irradiation position and processing position of the light beam can be corrected based on the position information of the stationary reference mark obtained from the first and second position measuring means.
- the first position measuring means is configured to be inserted into the irradiation path of the light beam during measurement and to retract the irradiation path force of the light beam during non-measurement.
- misalignment including various causes such as thermal deformation of the modeling table, thermal deformation or temperature drift of the scanning optical system in the light beam irradiating means, deformation due to main shaft heat generation of the processing means, etc. Correction can be performed and accurate modeling can be achieved.
- FIG. 1 is a schematic view of a three-dimensional shaped article manufacturing apparatus according to the present invention.
- FIG. 2A is a side view showing the operation of the imaging unit provided in the apparatus of FIG.
- FIG. 2B is a side view showing another operation of the imaging unit.
- FIG. 3A is a side view showing the operation of a part of a modification of the apparatus of FIG.
- FIG. 3B is a side view showing another operation of the portion shown in FIG. 3A.
- FIG. 4 is a flowchart showing a correction method performed in the apparatus of FIG.
- FIG. 5 is an explanatory view showing a deviation between an irradiation trace of a light beam and a stationary reference mark.
- Fig. 6 is an explanatory view showing a deviation between the irradiation trace of the light beam and the interlocking reference mark.
- FIG. 7 is an explanatory diagram showing a deviation between the interlocking reference mark and the immovable reference mark when there are two interlocking reference marks.
- FIG. 8 is an explanatory diagram for obtaining a deviation between the interlocking reference mark and the stationary reference mark using the light beam irradiation trace.
- FIG. 1 shows an apparatus for producing a three-dimensional shaped object according to the present invention, which includes a chamber 10 for maintaining an internal space in an inert state such as a nitrogen atmosphere, and a modeling tank 11 and a material tank 12 are provided at the bottom thereof.
- a squeezing blade 16 that constitutes a powder layer forming means together with a material tank 12 and a processing means 3 are arranged inside the chamber 10.
- a modeling table 13 that moves up and down is provided in the modeling tank 11, and an elevating table 14 that similarly moves up and down is provided in the material tank 12.
- a light beam irradiating means 2 is disposed on the chamber 10, and the light beam irradiating means 2 includes a laser oscillator 20, a condensing lens 21 for converging the light beam output from the laser oscillator 20, and condensing. And a scanner 22 having a galvanometer force for guiding the light beam L having passed through the lens 21 onto the modeling table 13 through the light transmission window 19.
- a reflecting mirror 41 In addition, between the condenser lens 21 and the scanner 22 in the optical path of the light beam L, a reflecting mirror 41, an imaging means 40, and a moving mechanism 42 such as a uniaxial table for moving both of them.
- An imaging unit 4 is provided. As shown in FIG. 2B, the imaging unit 4 that constitutes the first position measuring means is retracted from the optical path while outputting the optical beam L and forming the sintered layer. When misalignment detection is performed to correct the irradiation position of the light beam L, it is inserted into the optical path as shown in Fig. 2A.
- a half mirror can be always inserted in the optical path instead of the reflecting mirror 41. In this case, the moving mechanism 42 is not necessary.
- the laser oscillator 20, the condenser lens 21, and the imaging means 40 may be placed on a table that is moved by the moving mechanism 42 and switched. Yo! /. Also in this case, the reflection mirror 41 is unnecessary.
- the processing means 3 is for cutting the surface of the modeling object 9 on the modeling table 13 in the middle of modeling or after the modeling has been completed, and the cutting processing position is variable by a three-axis drive mechanism.
- An imaging means 5 as a second position measuring means is attached to the spindle head.
- the image output obtained from the imaging unit 4 and the imaging means 5 is input to the image processing device 6, Position information generated by image processing by the image processing device 6 is input to the control device 7 that controls the operation of the manufacturing apparatus including the light beam irradiation means 2 and the processing means 3.
- the material powder overflowed from the material tank 12 due to the ascent of the lifting table 14 is supplied to the modeling base surface on the modeling table 13 by the blade 16 and at the same time
- the first powder layer is formed by leveling, and the portion of the powder layer to be cured is irradiated with the light beam L to sinter the metal powder to form a sintered layer integrated with the base 23.
- the molding table 13 is lowered by a predetermined height, the metal powder is supplied again and leveled by the blade 16, and the first powder layer (and the sintered layer) is placed on the first layer.
- a sintered layer in which a second powder layer is formed, and the portion to be cured of the second powder layer is irradiated with the light beam L to sinter the powder and integrate with the lower sintered layer.
- the molding table 13 is lowered to form a new powder layer, and the process of irradiating the light beam L to make the required portion a sintered layer is repeated as a laminate of sintered layers. A three-dimensional shaped object is produced.
- the irradiation path of the light beam L also creates the three-dimensional CAD data force of the shaped object.
- the STL data generated from the three-dimensional CAD model is created at the same pitch (for example, 0.05 mm pitch when the powder layer thickness is 0.05 mm), and the contour shape data of each cross section is created.
- Irradiation route data may be generated by performing irradiation route generation processing and input to the manufacturing apparatus together with the contour shape data.
- the thickness of the plurality of sintered layers is, for example, that of the cutting tool in the processing means 3.
- the tanker 3 is operated to cut the surface (mainly the upper side surface) of the shaped object that has been shaped so far.
- a cutting tool ball end mill
- the processing means 3 is activated.
- the coordinate system related to the irradiation of the light beam is first used in manufacturing the modeled object by the manufacturing apparatus.
- the initial position correction for matching the coordinate system of the processing means is performed.
- An interlocking reference mark M is installed at a predetermined position of the molding tank 11 to be enclosed.
- the fixed reference mark PM is installed.
- This immobility reference mark PM is not affected by thermal effects during irradiation with a light beam or during processing by the processing means 3, and is not affected even when the molding table 13 is heated to a high temperature. In place.
- the interlocking reference mark M and the non-moving reference mark PM are not limited to this form in which a metal block surface with a hole having a diameter of about 1 mm is used.
- step S1 the imaging unit 4 is inserted into the optical path, and the angle at which the stationary reference mark PM enters the imaging field of view of the imaging unit 4 (this angle (GxO, GyO ) Is obtained in advance), the fixed reference mark PM is imaged by the imaging unit 4, and the coordinates (SxO, Sy 0) of the fixed reference mark image PMO in the obtained image are processed as shown in FIG. Determined in device 6.
- the image of the interlocking reference mark M is imaged by the imaging unit 4 as an angle at which the interlocking reference mark M enters the imaging field of the imaging unit 4 (this angle (Gxl, Gyl) is obtained in advance).
- the coordinates (Sxl, Syl) of the interlocking reference mark image MO in the obtained image are obtained by the image processing device 6.
- the position where the stationary reference mark PM enters the imaging field of the imaging means 5 (this position (CxO, CyO) is obtained in advance).
- the image processing device 6 obtains the coordinates (TxO, TyO) of the immobile reference mark image PMO in the obtained image.
- the interlocking reference mark M was captured by the imaging means 5 as a position where the interlocking reference mark M enters the imaging field of the imaging means 5 ((this position (Cxl, Cyl) is obtained in advance)).
- the coordinates (Txl, Tyl) of the interlocking reference mark image MO in the image are obtained by the image processing device 6.
- step S3 After obtaining the initial position in this manner, in step S3, the first layer of modeling is started, and in the next step S4, the scanner 22 is moved again to the angle (GxO, GyO ),, (Gxl, Gyl), the coordinates (SxO ', SyO') of the stationary reference mark image PMO 'and the position coordinates (Sxl,, Syl,) of the interlocking reference mark image MO are obtained.
- the difference ( ⁇ , ⁇ ) and the difference ( ⁇ , ⁇ 1) from the initial value obtained in step 1 are calculated as the amount of displacement of the irradiation position of the light beam L, and this is used as the correction amount for the light beam irradiation.
- step S6 After correcting the irradiation position of the light beam L based on the correction amount, the next layer is formed in step S5. In step S6, whether or not the predetermined number of formations is completed. judge. If it is determined in step S6 that the predetermined number of modeling has not been completed, the process returns to step S4, whereas if it is determined that the predetermined number of modeling has been completed, the process proceeds to step S7.
- the predetermined number here is set to 60 or less when, for example, the thickness of the powder layer is 0.05 mm and the processing means 3 can process up to 60 powder layers.
- step S7 the position coordinates (TxO,, TyO,) of the stationary reference mark image PMO when the processing means 3 is set to the positions (CxO, CyO), (Cxl, Cyl) and the interlocking reference mark image.
- the position coordinates (Txl ′, Tyl ′) of the image MO ′ are obtained, and the difference from the initial value obtained in step S2 is calculated as the displacement amount of the processing position by the processing means 3, and this is used as the correction amount for processing.
- step S8 After correcting the processing position of the processing means 3 based on this correction amount, processing by the processing means 3 is performed in step S8, and it is determined in step S9 whether or not all modeling has been completed. If it is determined in step S9 that all modeling has not been completed, the process returns to step S4, while if it is determined that all modeling has been completed, the program ends.
- a temperature measuring means T such as a thermocouple for measuring the temperature of the processing means 3 (the heat generation temperature of the driving motor of the processing means 3) is provided and measured by the temperature measuring means T.
- the measured temperature exceeds a predetermined value, the amount of misalignment of the machining position by the machining means 3 can be calculated to correct the misalignment.
- the interlocking reference mark M is provided on the peripheral edge of the modeling tank 11, and is as close as possible to the modeled object as much as possible U.
- the difference ( ⁇ , ⁇ ) is a positional deviation caused by the scanner 22, and the difference ( ⁇
- ⁇ , ⁇ 1 includes the displacement caused by the scanner 22 and the displacement caused by the deformation of the modeling tank 11, and the coordinates (TxO, TyO), ( ⁇ ', TyO' of the fixed reference mark images PMO, PMO ' ) Is the displacement of the machining means 3 due to the heat generated by the spindle of the machining means 3, and the difference between the coordinates (Txl, Tyl) and coordinates ( ⁇ ⁇ ', Tyl') of the interlocking reference mark images MO and MO 'is the machining means 3) and thermal deformation on the modeling tank 11 side, all factors such as deformation of the scanner 22 and temperature drift, thermal deformation on the modeling tank 11 side, thermal deformation of the processing means 3 are all included.
- the amount of misregistration included can be obtained, and modeling without being affected by the misregistration can be performed.
- the interlocking reference mark M can be detected and corrected more reliably by providing a pair of interlocking reference marks M on, for example, a diagonal line of the modeling tank 11 and measuring these positions. it can.
- the above correction is performed when the scanner 22 is set at angles (GxO, GyO), (Gxl, Gyl), and the irradiation position of the light beam L is the position of the stationary reference mark PM and the position of the interlocking reference mark M, respectively.
- the optical axis of the light beam L and the optical axis of the imaging unit 4 are aligned.
- this adjustment is not easy and may actually shift slightly, so this shift is corrected during the initial calibration to match the coordinate system of the light beam irradiation device 2 with the coordinate system of the processing means 3. Keep it.
- This correction is achieved by placing the scanner 22 at the above-mentioned angles (GxO, GyO), (Gxl, Gyl) with the irradiation mark forming member such as acrylic paper placed in the vicinity of the stationary reference mark PM and the interlocking reference mark M.
- the irradiation mark forming member such as acrylic paper placed in the vicinity of the stationary reference mark PM and the interlocking reference mark M.
- Set and irradiate light beam L to form irradiation traces LMO and LM1 then set the angle of scanner 22 to the above value.
- the coordinates (XO, YO), (XI, Y1) of the irradiation traces LM 0, LM1 are obtained by capturing the irradiation traces LMO, LM 1 with the imaging unit 4 and processing the images.
- the irradiation trace forming member may be in any position other than the vicinity of the stationary reference mark ⁇ and the interlocking reference mark ⁇ as long as the positional relationship between the stationary reference mark ⁇ and the interlocking reference mark ⁇ is clear.
- any member that can be marked with a light beam can be used as the irradiation trace forming member.
- the surface paint burns and the marking marks become black, and the contrast becomes clear.
- it can be used only with an iron plate.
- the scanner 22 is set at an angle (GxO, GyO), (Gxl, Gyl) and the position of the irradiation traces LMO 'and LM1' when the light beam L is irradiated.
- an optical axis shift occurs between the light beam irradiation device 2 and the imaging unit 4, this can be dealt with. Details of this correction will be described later.
- the measurement of the stationary reference mark PM is not absolutely necessary, and the correction may be performed only by measuring the interlocking reference mark M.
- the correction including the thermal deformation due to the main shaft heat generation (correction of relative displacement between the scanner 22 and the processing means 3 with respect to the modeled object) can be performed.
- the correction based on the difference ( ⁇ ', ⁇ ') by measuring the interlocking reference mark M and the irradiation mark LM1 is effective. is there.
- the interlocking reference mark ⁇ and the irradiation mark LM1 formed by irradiating the light beam L toward the interlocking reference mark ⁇ are imaged by the imaging unit 4 before processing and in the middle of modeling, so that the light beam
- the correction amount of the processing position by the processing means 3 can be obtained by obtaining the correction amount of the irradiation position and imaging the position of the interlocking reference mark ⁇ by the imaging means 5 before calorie and in the middle of modeling.
- the image power obtained by imaging the deviation amount for correction of the light beam irradiation device 2 by the imaging unit 4 is also obtained.
- the imaging unit 4 is not essential. Absent.
- the irradiation means LM and the interlocking reference mark M are photographed by the imaging means 5 attached to the cutting means 3 before and during the shaping to obtain the coordinate force and positional deviation, thereby correcting the light beam irradiation device 2. It is because it can be performed.
- the initial position of the interlocking reference mark M is measured by the imaging means 5, and a light beam is irradiated to a predetermined position of an irradiation trace forming member provided in the vicinity of the interlocking reference mark M. Is measured as an initial position by the imaging means 5. Thereafter, each time each layer is formed, the position of the interlocking reference mark M and the position of the irradiation trace formed on the irradiation trace forming member may be measured by the imaging means 5 to correct the light beam irradiation apparatus 2.
- a plurality of irradiation traces are formed on the irradiation trace forming member, and if the same position is irradiated with the light beam, the irradiation traces may overlap, so the light beam irradiation position is one direction or two directions orthogonal to each other.
- the imaging means 5 may be similarly moved at a predetermined pitch.
- the force shown when there is one interlocking reference mark M and one immobilization reference mark PM As described above, a plurality of interlocking reference marks M may be provided. The same applies to the stationary reference mark PM. Next, a specific example of correction when there are two stationary reference marks PM and two interlocking reference marks M will be described.
- the position of the stationary reference mark PM before and during modeling is (Xml, Yml), (XmlO, YmlO), and the first interlocking reference mark M before and during modeling
- the position is (X 2, Y2), (X20, Y20) and the position of the second interlocking reference mark M before and during modeling is (X3, ⁇ 3), ( ⁇ 30, ⁇ 30)
- the imaging unit 5 images the immobile reference mark PM and the interlocking reference mark M, and obtains the position by image processing.
- the irradiation trace forming member is placed at a predetermined position, and the light beam L is irradiated to irradiate the irradiation trace.
- An LMO is formed, and the imaging means 5 is moved to the above-defined position, and the position (xO, yO) of the irradiation trace LMO is measured.
- the position of the irradiation mark immobilization reference mark PM and the position of the interlocking reference mark M are again measured by the imaging means 5 during the modeling.
- the position of the stationary reference mark PM at this time is (xl, yl), and the position of the interlocking reference mark M (x2, y2).
- the irradiation trace forming member is placed again at a predetermined position to irradiate the light beam L to form an irradiation trace LMO, and the imaging means 5 is moved to the predetermined position to position the irradiation trace LMO. Measure (X, Y).
- the correction amount of the light beam including the fluctuation of the interlocking reference mark M is AA + AC, ⁇ + AD.
- the irradiation position deviation of the light beam and the processing position deviation by the processing means can be accurately corrected. It is useful when manufacturing.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/569,261 US7867431B2 (en) | 2004-05-26 | 2005-05-25 | Method of and apparatus for making a three-dimensional object |
EP05743850.9A EP1752240B8 (en) | 2004-05-26 | 2005-05-25 | Three-dimensional shape model producing method and apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-156941 | 2004-05-26 | ||
JP2004156941A JP4130813B2 (ja) | 2004-05-26 | 2004-05-26 | 三次元形状造形物の製造装置及びその光ビーム照射位置及び加工位置の補正方法 |
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WO2005115663A1 true WO2005115663A1 (ja) | 2005-12-08 |
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PCT/JP2005/009552 WO2005115663A1 (ja) | 2004-05-26 | 2005-05-25 | 三次元形状造形物の製造方法及び製造装置 |
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US (1) | US7867431B2 (ja) |
EP (1) | EP1752240B8 (ja) |
JP (1) | JP4130813B2 (ja) |
TW (1) | TWI280899B (ja) |
WO (1) | WO2005115663A1 (ja) |
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US8070474B2 (en) * | 2007-05-30 | 2011-12-06 | Panasonic Electric Works Co., Ltd. | Lamination shaping apparatus |
JP2017193060A (ja) * | 2016-04-18 | 2017-10-26 | 株式会社ソディック | 積層造形装置 |
JP6275315B1 (ja) * | 2017-08-07 | 2018-02-07 | 株式会社松浦機械製作所 | アンダーカット領域における造形角度の設定を伴う三次元造形物の造形方法 |
JP2021513924A (ja) * | 2018-02-20 | 2021-06-03 | ローカル モーターズ アイピー, エルエルシーLocal Motors Ip, Llc | 付加製造のための方法及び装置 |
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JP4258567B1 (ja) * | 2007-10-26 | 2009-04-30 | パナソニック電工株式会社 | 三次元形状造形物の製造方法 |
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EP1752240A1 (en) | 2007-02-14 |
US20070252309A1 (en) | 2007-11-01 |
JP4130813B2 (ja) | 2008-08-06 |
EP1752240B1 (en) | 2014-04-09 |
US7867431B2 (en) | 2011-01-11 |
JP2005336547A (ja) | 2005-12-08 |
EP1752240A4 (en) | 2010-05-26 |
TWI280899B (en) | 2007-05-11 |
TW200603920A (en) | 2006-02-01 |
EP1752240B8 (en) | 2014-06-11 |
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