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Process of and apparratus for three-dimensional printing

a three-dimensional object and printing technology, applied in the direction of additive manufacturing processes, manufacturing tools, additive manufacturing with liquids, etc., can solve the problems of affecting the quality of finished products, and achieve the effects of preventing mechanical deformation, preventing mechanical deformation, and low adhesion characteristics

Inactive Publication Date: 2006-03-16
OBJET GEOMETRIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005] Embodiments of the present invention provide apparatuses and methods for controlling the quality of printing in three-dimensional object-printing systems. A printing system, according to some embodiments of the present invention, may include a printing apparatus to print three-dimensional objects; a controller that may prepare the digital data that characterizes the 3-D object for printing, and control the operation of the printing apparatus; and a printing tray with a selected adhesion characteristic. The adhesion characteristic may be, for example, a high adhesion coating for high adhesion to the object's building material(s). The surface coating of the tray may be, for example, an anodized aluminum coating, which may include, for example, pores containing a material that acts to adhere to the printed objects. The pores may, for example, be filled with water. Alternatively, the printing tray may be pretreated with water.

Problems solved by technology

However, each printed product or model is different, whether in shape, design, size, bulk, composition and so on, and these differences may be affected by different factors during the printing process, such as heat, chemical reactions of the photopolymer material to curing, internal strains (e.g., within the object) due to strains such as, for example shrinkage of the materials during curing and / or cooling, environmental influences within the printing apparatus, for example temperature fluctuations etc.
In addition, the quality of the finished product may be affected by these and other factors.

Method used

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Embodiment Construction

[0057] The following description is presented to enable one of ordinary skill in the art to make and use the invention as provided in the context of a particular application and its requirements. Various modifications to the described embodiments will be apparent to those with skill in the art, and the general principles defined herein may be applied to other embodiments. Therefore, the present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the wide scope consistent with the principles and novel features herein disclosed. In other instances, well-known methods, procedures, and components have not been described in detail so as not to obscure the present invention.

[0058] It is noted that the term “building material” as used herein may include model or “modeling” material, support material, mixed material, and / or any suitable combination of materials used in the building, forming, modeling, printing or other constructi...

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Abstract

A process of, and apparatus for, three-dimensional printing of an object (200) from modeling material (220) including a printing tray (170) having a surface coating (202), a carpet (210), a support material (215), a support pedestal (210), a barrier layer (230) and a temperature control unit (204).

Description

FIELD OF THE INVENTION [0001] The present invention relates to apparatuses and methods useful in three-dimensional object printing. Specifically, embodiments of the present invention relate to systems, methods, and apparatuses for helping to improve the quality of printed three-dimensional objects. BACKGROUND OF THE INVENTION [0002] Three-dimensional (3D) printing is a process used for the printing of three-dimensional objects, for example by printing or building parts of such objects in layers. Such 3D objects may be used, for example, for prototype parts. [0003] Various systems have been developed for three-dimensional printing, wherein material for object printing is deposited in consecutive layers according to a pre-determined configuration or in selected arrays as defined by, for example, a Computer Aided Design (CAD) system connected to the printing systems. Such materials may include materials for constructing an object and materials used for constructing support structures f...

Claims

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Application Information

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IPC IPC(8): B41F35/00C23C16/52B29C37/00B29C41/02B29C41/48B29C41/52B29C48/92
CPCB29C37/005B29C41/02B29C41/48B29C41/52B29C67/0051B29C67/0092B41M3/16B29C47/92B29C67/0055B29C67/0059B29C64/112B29C64/40B29C64/245B33Y10/00B33Y30/00B33Y50/02B33Y40/00B29C48/92B29C2948/92209B29C2948/92704B29L2009/00B29C64/106B29C64/118B29C64/129B29C64/135B29C64/124B33Y40/10B33Y40/20
Inventor KRITCHMAN, ELIAHUGOTHAIT, HANANNAPADENSKY, EDUARDOCHECHIK, DANI
Owner OBJET GEOMETRIES
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