公开(公告)号：JP2001225390A

公开(公告)日：2001-08-21

申请号：JP2000392461

申请日：2000-12-25

Applicant: 3 D SYSTEMS INC

Inventor： THOMAS JAMES BOOGICCHI ,  RAYMOND ADRIAN BRADFORD ,  FLOYD GRADY O ,  TARNOFF HARRY L ,  WAYNE ALAN VINSON ,  FRANK FORD LITTLE ,  HARLOW RICHARD A ,  WOLFGANG SCHWARZINGER ,  MARYGOLD PAUL H ,  MARK ARAN LEWIS ,  YAHORAM UJIIRU ,  MODREK BORZO ,  PITLAK ROBERT THOMAS ,  THOMAS PAUL CHEN

IPC: B29C67/00 ,  B29C35/08 ,  B29K105/24

Abstract: PROBLEM TO BE SOLVED: To disclose an apparatus and a method for stereoscopic molding particularly useful in molding of a large-sized or a complicate component by accelerating the molding speed without lowering a molding accuracy of the component. SOLUTION: A laser stronger than that of a prior art and a dynamic mirror driven at a faster speed than that of the prior art are used. An optical path of a laser beam is selectively shut off by a controllable shutter disposed on the path of the beam to prevent undesired curing of a material. Further, a suitable servo control feedback loop is provided. Thus, the mirror can be accurately directed at a faster speed than a typical speed. Additionally, a method for reducing a flow of data by suitably distributing a plurality of processors to tasks, and a method for improving interactiveness with a user by utilizing spread sheets are disclosed. These methods contribute to improvement in the molding speed of the component and is particularly useful method in molding of the large-sized or composite component.

公开(公告)号：JP2000015706A

公开(公告)日：2000-01-18

申请号：JP13310999

申请日：1999-04-05

Applicant: 3 D SYSTEMS INC

Inventor： HULL CHARLES W ,  SPENCE STUART T ,  ALBERT DAVID J ,  SMALLEY DENNIS R ,  HARLOW RICHARD A ,  STEINBURGH PHILIP ,  TARNOFF HARRY L ,  NGUYEN HOP D ,  LEWIS CHARLES W ,  VORGITCH TOM J ,  REMBA DAVID Z

IPC: B29C35/08 ,  B29C67/00 ,  B29K105/24 ,  G01J1/42 ,  G03C9/08 ,  G03F7/00 ,  G03F7/20 ,  G06F17/50 ,  G06T17/00 ,  G06T17/10 ,  G06T17/20

Abstract: PROBLEM TO BE SOLVED: To realize the quicker development and production of a highly accurate three dimensional plastic by a method wherein the coordinate data on an offered three dimensional substance are operated so as to automatically produce a three dimensional substance in response to the operated coordinate data. SOLUTION: By converting the CAD/CAM data of a substance into data representing the sections of the substance and directing a laser beam, the sectional shapes of the substance are drawn on the surfaces of liquid photosensitive polymer layers by means of the above-mentioned sectional data. By directing the beam so as to form a section to be adhered onto the sections already hardened and piled up through the hardening of the liquid photosensitive polymer layer in order to be arranged on the sections already hardened and piled up, the sections already hardened and piled up are positioned to the liquid photosensitive polymer layer. Further, by controlling a directing means and a positioning means by utilizing the above-mentioned sectional data, the piled-up sections of the substance are reproduced out of hardened photosensitive polymers.

公开(公告)号：JP2001353786A

公开(公告)日：2001-12-25

申请号：JP12621899

申请日：1999-03-29

Applicant: 3 D SYSTEMS INC

Inventor： HULL CHARLES W ,  SPENCE STUART T ,  ALBERT DAVID J ,  SMALLEY DENNIS R ,  HARLOW RICHARD A ,  STEINBURGH PHILIP ,  TARNOFF HARRY L ,  NGUYEN HOP D ,  LEWIS CHARLES W ,  VORGITCH TOM J ,  REMBA DAVID Z

IPC: B29C35/08 ,  B29C67/00 ,  B29K105/24 ,  G01J1/42 ,  G03C9/08 ,  G03F7/00 ,  G03F7/20 ,  G06F17/50 ,  G06T17/00 ,  G06T17/10 ,  G06T17/20

Abstract: PROBLEM TO BE SOLVED: To accurately form an object by a method for automatically forming a three-dimensional object. SOLUTION: The three-dimensional object (30) is formed by selectively curing many layers (23) of a transitive fluid medium (22) through exposing each of the layers (23) in a pattern selected by a specific stimulation (27). The fluid medium 22 is irradiated with the stimulation (27) in the form of a beam having a specified width and thereby thin layers (30a, 30b, 30c) which transit are successively laminated into a constituted object. Further, the selected pattern (20) of the layers (23) is obtained by processing stored data (20) which define the desired shape of the object (30). A data processing step (21) partially changes the stored data so that the changed data representing the individual thin layers corrected appropriately to the width of the beam is provided.

公开(公告)号：JP2001212881A

公开(公告)日：2001-08-07

申请号：JP2000392462

申请日：2000-12-25

Applicant: 3 D SYSTEMS INC

Inventor： THOMAS JAMES BOOGICCHI ,  RAYMOND ADRIAN BRADFORD ,  FLOYD GRADY O ,  TARNOFF HARRY L ,  WAYNE ALAN VINSON ,  FRANK FORD LITTLE ,  HARLOW RICHARD A ,  WOLFGANG SCHWARZINGER ,  MARYGOLD PAUL H ,  MARK ARAN LEWIS ,  YAHORAM UJIIRU ,  MODREK BORZO ,  PITLAK ROBERT THOMAS ,  THOMAS PAUL CHEN

IPC: B29C67/00 ,  B29C35/08 ,  B29K105/24

Abstract: PROBLEM TO BE SOLVED: To disclose an apparatus and a method for molding a cubic article particularly useful for molding of a large size or a complicated component for accelerating a molding speed without reducing a molding accuracy of the component. SOLUTION: A dynamic mirror driven by a laser stronger than a prior art and at a faster speed than the prior art is used. An optical path of a laser beam is selectively cut off by a controllable shutter disposed on an optical path of the beam to prevent undesired curing of a material. Further, a suitable servo control feedback loop is provided to accurately direct the mirror at a faster speed than a typical speed. In addition, a method for reducing a flow of data by suitably distributing tasks to a plurality of processors, and a method for improving interactiveness with a user are disclosed. These methods also contribute to an improvement in a molding speed of the component, and are particularly useful method in molding of a large size or a complicated component.

公开(公告)号：JP2001187424A

公开(公告)日：2001-07-10

申请号：JP2000358417

申请日：2000-11-24

Applicant: 3 D SYSTEMS INC

Inventor： THOMAS JAMES BOOGICCHI ,  RAYMOND ADRIAN BRADFORD ,  FLOYD GRADY O ,  TARNOFF HARRY L ,  WAYNE ALAN VINSON ,  FRANK FORD LITTLE ,  HARLOW RICHARD A ,  WOLFGANG SCHWARZINGER ,  MARYGOLD PAUL H ,  MARK ARAN LEWIS ,  YAHORAM UJIIRU ,  MODREK BORZO ,  PITLAK ROBERT THOMAS ,  THOMAS PAUL CHEN

IPC: B29C67/00 ,  B29C35/08 ,  B29K105/24

Abstract: PROBLEM TO BE SOLVED: To provide a device and a method for stereoshaping, in which shaping speed is made to high speed without deteriorating the shaping precision of parts and the same is especially available in shaping of large-sized or complicated parts. SOLUTION: Laser stronger than heretofore and a dynamic mirror driven high-speedily than heretofore are used. Further, the light path of laser beams is selectively interrupted by a controllable shutter arranged on the light path of laser beams and undesirable curing of material is prevented. Furthermore, the dynamic mirror can be accurately directed by a speed more higher than a typical speed by providing a suitable servo-actuated control feedback loop. In addition thereto, a technique for decreasing flow of data by suitably distributing a task to a plurality of processors is shown and a technique for improving the interaction properties with a user by utilizing a spread sheet is shown. Further, these techniques contribute to enhancement of shaping speed of parts and are an especially available means in shaping of large-sized or complicated parts.