[특허]Seam concealment for three-dimensional models

Seam concealment for three-dimensional models 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-047/06 B29C-047/92 B29C-067/00 G05B-019/4099 B33Y-050/02 B29C-047/00 B29K-025/00 B29K-055/02 B29K-069/00 B29K-077/00 B29K-079/00 B29K-081/00
출원번호	US-0707884 (2012-12-07)
등록번호	US-9724866 (2017-08-08)
발명자 / 주소	Hopkins, Paul E. Holzwarth, Donald J.
출원인 / 주소	Stratasys, Inc.
대리인 / 주소	Ims, Peter J.
인용정보	피인용 횟수 : 0 인용 특허 : 35

초록 ▼

A three-dimensional model built with an extrusion-based digital manufacturing system, and having a perimeter based on a contour tool path that defines an interior region of a layer of the three-dimensional model, where at least one of a start point and a stop point of the contour tool path is locate

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1. An extrusion-based digital manufacturing system for building a three-dimensional part, the system comprising: a computer programmed to: generate a first tool path for a sliced layers of a digital representation of a three-dimensional model;adjust the first tool path to a second tool path that is configured to substantially conceal a seam at a perimeter of the corresponding layer of the three-dimensional part; andgenerate instructions corresponding to the second tool path;a platen;an extrusion head configured to move in a build plane; anda controller configured to direct the extrusion head to deposit a material to build the three-dimensional model in a layer-by-layer manner in a build plane tool path in the build plane corresponding to the second tool path based on the instructions, wherein the build plane tool path comprises: an outgoing segment;a contour segment having a first end extending from the outgoing segment, and a second end; andan incoming segment extending from the second end of the contour segment, wherein the incoming segment overlaps a portion of the outgoing segment to define an interior region that is enclosed by the build plane tool path, and wherein the outgoing segment and the incoming segment are each partially located within the enclosed interior region. 2. The extrusion-based digital manufacturing system of claim 1, and further comprising a heatable environment in which the three-dimensional model is built in the layer-by-layer manner. 3. The extrusion-based digital manufacturing system of claim 2, wherein the heatable environment comprises an enclosed build chamber. 4. The extrusion-based digital manufacturing system of claim 1, wherein the computer is configured to transmit the instructions to the controller. 5. The extrusion-based digital manufacturing system of claim 1, wherein the outgoing segment, the contour segment, and the incoming segment are each generated based on a predicted road width for the deposited material. 6. The extrusion-based digital manufacturing system of claim 5, wherein the predicted road width ranges from about 250 micrometers to about 1,020 micrometers. 7. An extrusion-based digital manufacturing system for building a three-dimensional part, the system comprising: a computer programmed to: generate a first tool path for a sliced layers of a digital representation of a three-dimensional model;adjust the first tool path to a second tool path that is configured to substantially conceal a seam at a perimeter of the corresponding layer of the three-dimensional part; andgenerate instructions corresponding to the second tool path;a surface configured to support the three-dimensional part;an extrusion head configured to move in a build plane; anda controller configured to direct the extrusion head to deposit a material to build the three-dimensional model in a layer-by-layer manner in a build plane tool path in the build plane corresponding to the second tool path based on the instructions, wherein the build plane tool path comprises: a segment comprising a perimeter of the build plane tool path in a layer, the segment further comprising a first end portion and a second end portion wherein the first end portion and second end portion overlap within an interior region defined by the segment comprising the perimeter of the build plane tool path in the layer. 8. The extrusion-based digital manufacturing system of claim 7 and wherein the surface and the extrusion head move relative to each other in a direction substantially perpendicular to the build plane such that the controller can direct the extrusion head to deposit successive layers to form the three-dimensional model. 9. The extrusion-based digital manufacturing system of claim 7, and further comprising a heatable environment in which the three-dimensional model is built in the layer-by-layer manner. 10. The extrusion-based digital manufacturing system of claim 9, wherein the heatable environment comprises an enclosed build chamber. 11. The extrusion-based digital manufacturing system of claim 7, and further comprising a computer configured to transmit the instructions to the controller. 12. The extrusion-based digital manufacturing system of claim 7, wherein a segment comprising a perimeter having the first and second end segments is generated based on a predicted road width for the deposited material. 13. The extrusion-based digital manufacturing system of claim 12, wherein the predicted road width ranges from about 250 micrometers to about 1,020 micrometers.

이 특허에 인용된 특허 (35)

Crump S. Scott (Minnetonka MN), Apparatus and method for creating three-dimensional objects.
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Guertin, Michelle D.; Manners, Chris R., Automatic determination and selection of build parameters for solid freeform fabrication techniques based on automatic part feature recognition.
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Watanabe Hideo (Hyogo JPX) Boh Satoru (Hyogo JPX) Miyata Akira (Hyogo JPX) Shiotani Keiichi (Hyogo JPX), Cad system.
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Swanson, William J.; Popa, Minea A.; Turley, Patrick W.; Hopkins, Paul E.; Brose, Steve; Kimm, Daniel I.; Pollard, David L.; Hahn, Andrew M., Filament loading system in an extrusion apparatus.
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Batchelder John Sam ; Comb Jim ; Dahlin Thomas J., High performance rapid prototyping system.
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Swanson, William J.; Turley, Patrick W.; Leavitt, Paul J.; Karwoski, Peter J.; LaBossiere, Joseph E.; Skubic, Robert L., High temperature modeling apparatus.
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Comb,James W.; Priedeman, Jr.,William R.; Leavitt,Paul J.; Skubic,Robert L.; Batchelder,John Samuel, High-precision modeling filament.
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Baker Robert G. (Buford GA) Ramazzotti Dario J. (Atlanta GA), Hot melt multi-section hose heating system.
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Comb, James W., Melt flow compensation in an extrusion apparatus.
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Batchelder John Samuel ; Jackson Robert R., Method and apparatus for solid prototyping.
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Pearson Walter C. (St. Paul MN), Method and combination for heating and dispensing hot melt materials.
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Gantt Brian D., Method and system for interactively determining and displaying geometric relationship between three dimensional objects based on predetermined geometric constraints and position of an input device.
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Abrams Steven R. (New York NY) Korein James U. (Chappaqua NY) Srinivasan Vijay (Peekskill NY) Tarabanis Konstantinos (Flushing NY), Method employing sequential two-dimensional geometry for producing shells for fabrication by a rapid prototyping system.
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Holzwarth, Donald J., Method for building three-dimensional objects with extrusion-based layered deposition systems.
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Batchelder John S. (Somers NY), Method for controlled porosity three-dimensional modeling.
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Batchelder John S. (Somers NY), Method for optimizing parameters characteristic of an object developed in a rapid prototyping system.
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Fong, Jon Jody, Method of improving surfaces in selective deposition modeling.
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Crump S. Scott (Minnetonka MN), Modeling apparatus for three-dimensional objects.
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Alexander, Paul, Multi-material toolpath generation for direct metal deposition.
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Cima Linda G. (Lexington MA) Cima Michael J. (Lexington MA), Preparation of medical devices by solid free-form fabrication methods.
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Priedeman, Jr., William R., Process of making a three-dimensional object.
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Crump S. Scott (Wayzata MN) Comb James W. (St. Louis Park MN) Priedeman ; Jr. William R. (Wayzata MN) Zinniel Robert L. (Richfield MN), Process of support removal for fused deposition modeling.
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Comb Jim ; Dockter Steven E. ; Berens Paul A., Rapid prototyping apparatus.
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Leavitt Paul J. ; Comb James W. ; Rapoport Edward, Resonance detection and resolution.
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Hopkins, Paul E.; Holzwarth, Donald J., Seam concealment for three-dimensional models.
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Danforth Stephen C. ; Agarwala Mukesh ; Bandyopadghyay Amit ; Langrana Noshir ; Jamalabad Vikram R. ; Safari Ahmad ; van Weeren Remco, Solid freeform fabrication methods.
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Priedeman, Jr., William R.; Brosch, Andrea L., Soluble material and process for three-dimensional modeling.
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Almquist Thomas A. (San Gabriel CA) Smalley Dennis R. (Baldwin Park CA), Thermal stereolighography.
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Almquist Thomas A. (San Gabriel CA) Smalley Dennis R. (Baldwin Park CA), Thermal stereolithography.
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Cima Linda G. (Lexington MA) Cima Michael J. (Lexington MA), Tissue regeneration matrices by solid free form fabrication techniques.
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Jamalabad, Vikram R.; Chard, Jeffrey A.; Gasdaska, Charles J., Tool path planning process for component by layered manufacture.
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Valavaara Viljo (5484 Tomken Road ; #14 Mississauga ; Ontario CAX L4W 2Z6), Topology fabrication apparatus.
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Comb James W. ; Leavitt Paul J ; Rapoport Edward, Velocity profiling in an extrusion apparatus.
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Lombardi John Lang ; Popovich Dragan ; Artz Gregory John, Water soluble rapid prototyping support and mold material.
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Lombardi John Lang ; Popovich Dragan ; Artz Gregory John, Water soluble rapid prototyping support and mold material.
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Seam concealment for three-dimensional models 원문보기

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