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Method and device for ceramic denture 3D printing suitable for light curing molding

A light-curing molding and 3D printing technology, which is applied in the field of denture production, can solve the problems of poor production accuracy, many consumables, and poor matching, and achieve the effects of avoiding material precipitation, ensuring uniform mixing, and ensuring accuracy

Active Publication Date: 2016-12-14
SHANGHAI UNION TECH
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Problems solved by technology

[0014] In view of the deficiencies in the current denture production process, the purpose of the present invention is to provide a method and device for 3D printing ceramic dentures suitable for light-curing molding to solve the complex production process and low production efficiency in the current denture production process. Too many consumables, poor production accuracy and poor matching

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  • Method and device for ceramic denture 3D printing suitable for light curing molding
  • Method and device for ceramic denture 3D printing suitable for light curing molding

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Embodiment Construction

[0037] The structures, proportions, sizes, etc. shown in the accompanying drawings of the description are only used to match the content disclosed in the description, for those who are familiar with the technology to understand and read, and are not used to limit the conditions for the implementation of the present invention, so there is no Technically, any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the technical content disclosed in the present invention without affecting the functions and objectives of the present invention. within the range that can be covered. At the same time, terms such as "upper", "lower", "front", "rear", and "middle" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the present invention. , the change or adjustment of its relative relationship, without substantive changes in the technical content, should also be...

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Abstract

The invention relates to a method and device for ceramic denture 3D printing suitable for light curing molding and belongs to the technical field of tooth making. According to the method, through scanned tooth data and data processing, data of each layer of image after a data model to be printed is sliced are obtained and transmitted to a control system, a liquid supplementing action is controlled through the control system so that the liquid level of a base material can be always kept at the preset height, the base material is configured by photosensitive resin and ceramic powder according to the ratio, and the control system controls completion of stirring of supplemented liquid after liquid supplementing; and a bottom projection manner is adopted for printing, slice images of each layer of image are projected successively, light source exposure is conducted, and curing is completed layer by layer. The method and device have the beneficial effects that the making process is simple, the making efficiency is high, the consumption of materials is low, the making precision is high, and the match is good.

Description

technical field [0001] The invention relates to the technical field of denture production, in particular to a method and device for 3D printing ceramic dentures suitable for light-curing molding. Background technique [0002] Currently common 3D printing technologies include: Stereolithography (SL for short), Selective Laser Sintering (SLS), Selective Laser Melting (SLM), Fused Deposition Modeling (Fused Deposition Modeling, FDM), three-dimensional printing (Three Dimensional Printing, 3DP), etc. Stereolithography (SL) and 3D printing technology based on DLP (Digital Light Processing) stereolithography projection are both stereolithography technologies. [0003] The stereolithography molding method (including laser photocuring and DLP photocuring, collectively referred to as photocuring) has the following advantages: (1) high dimensional accuracy, and the tolerance range is within ±0.03mm~±0.1mm; (2) excellent surface Compared with other 3D molding technologies such as FDM...

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Application Information

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IPC IPC(8): B29C67/00B28B1/00B33Y30/00
CPCB28B1/00B29C67/00B33Y30/00
Inventor 万欣刘震于清晓林锦睿
Owner SHANGHAI UNION TECH
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