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Molding plate for stereolithography machine, stereolithography machine using same, and tool for cleaning said molding plate

A molding machine, three-dimensional technology, applied in the field of molded panels, to achieve the effect of less cleaning and less demand

Active Publication Date: 2014-10-29
DWS SRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0027] In particular, if the object is removed by means of the aforementioned sharp metal blade, there is the inconvenience that the part of the resin that has solidified in the hole separates from the rest of the object and remains stuck in the hole

Method used

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  • Molding plate for stereolithography machine, stereolithography machine using same, and tool for cleaning said molding plate
  • Molding plate for stereolithography machine, stereolithography machine using same, and tool for cleaning said molding plate
  • Molding plate for stereolithography machine, stereolithography machine using same, and tool for cleaning said molding plate

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Embodiment Construction

[0053] Such as figure 1 As shown, the three-dimensional molding machine of the present invention includes a box 2, and the box 2 is suitable for containing a liquid substance 3, such as figure 2 As shown, the liquid substance 3 is adapted to solidify when subjected to a selective stimulus 4 .

[0054] The aforementioned selective stimuli 4 are produced by emitting means 5 delivering the stimuli 4 towards the tank 2 .

[0055] Preferably, but not necessarily, the liquid substance 3 is a photosensitive resin and the emitting means 5 comprise a laser emitter connected to any known type of scanning device 5a is associated.

[0056] Obviously, variant embodiments of the invention may contain other known types of emission means 5 as long as they are capable of solidifying the liquid substance 3 .

[0057] The machine 1 also comprises a molding plate 6 provided with a working surface 7 facing said launch means 5 and adapted to support the three-dimensional object A being shaped. ...

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Abstract

The invention is a method for the production of three-dimensional objects (A) through a stereolithography machine (1) comprising: a tank (2) containing a liquid substance (3) suited to solidify when subjected to a selective stimulation (4); a modelling plate (6; 6'; 6") comprising a work surface (7) facing the bottom (2a) of the tank (2) for supporting the object (A); emission means (5) for generating the selective stimulation (4) and conveying it towards the tank (2). The modelling plate (6; 6'; 6") comprises a groove (8) in the work surface (7) extending to its perimeter edge so as to have an open end at the level of the lateral surface of the plate (6; 6'; 6"). The method comprises operating the emission means (5) so as to solidifying a plurality of mutually superimposed layers (E) with predefined thickness of the liquid substance (3), and in such a way that a portion of the liquid substance (3') arranged in the groove (8) remains liquid.

Description

technical field [0001] The present invention relates to a molding plate for a three-dimensional forming machine, and a three-dimensional forming machine including the plate. [0002] The invention also relates to a tool for cleaning the molded panels described above. Background technique [0003] As is known, stereolithography techniques can produce three-dimensional objects by superimposing successive layers obtained from liquid resins that solidify when subjected to predetermined stimuli. [0004] Each layer of the object is created by selectively stimulating the resin to cure at the points that make up the corresponding part of the object to be produced. [0005] As is known, a three-dimensional molding machine generally comprises a tank adapted to contain liquid resin, means adapted to stimulate a layer of liquid resin having a predetermined thickness, and a moving molding plate supporting it during the formation of the three-dimensional object. [0006] To form the fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C67/00
CPCB29C67/0085B29C67/0055B29C67/0066B29C64/135B33Y40/00B33Y30/00B29C64/245B29C67/00
Inventor 塞尔焦·泽内雷
Owner DWS SRL
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