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A 3D printing method and 3D printing device for surface exposure molding

A 3D printing and surface exposure technology, which is applied to 3D object support structures, additive manufacturing, manufacturing tools, etc., can solve the problems of difficult and easy printing of large workpieces, and achieve the effects of reducing maintenance costs, wide application range, and improving stability

Inactive Publication Date: 2017-06-23
SHANGHAI UNION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a 3D printing method and a 3D printing device for surface exposure molding, which are used to solve the problem of difficulty in printing large workpieces in the prior art

Method used

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  • A 3D printing method and 3D printing device for surface exposure molding
  • A 3D printing method and 3D printing device for surface exposure molding
  • A 3D printing method and 3D printing device for surface exposure molding

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Embodiment Construction

[0041] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0042] see Figure 1 to Figure 3 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. within the scope covered by the disclosed technical content. At the same ti...

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Abstract

A 3D printing method and 3D printing device for surface exposure molding are provided. A projection system is adopted and disposed above a resin tank to project an image from top to bottom so as to perform 3D printing so that a component is printed and molded from bottom to top on a printing platform, and therefore a problem that the component is separated from the resin tank is avoided, stability of the printing device is greatly improved, the maintenance cost of the printing device is reduced, and the method and the device can be suitable for printing a component having a high weight and a high size, and have a wide application range.

Description

technical field [0001] The present invention relates to 3D rapid printing molding technology, in particular to a 3D printing method and a 3D printing device for surface exposure molding. Background technique [0002] At present, most of the existing DLP (Digital Light Processing) 3D printing technologies are bottom projection surface exposure 3D printing technologies. That is, the DLP projector is fixed on the base, and the DLP projector does not move. When each layer is exposed, the corresponding image is projected, and the corresponding exposure time is maintained to cure the liquid photosensitive resin, and then the lifting mechanism drives the printing platform to move upward for a certain amount. After the liquid photosensitive resin is leveled, the printing platform is lowered to the corresponding position, exposed again to complete the curing of each layer, and superimposed layer by layer until the printing is completed. [0003] Chinese patent CN 104085106 A disclos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/135B29C64/20B33Y10/00B33Y30/00
Inventor 贾福昌万欣郁萌潘恒
Owner SHANGHAI UNION TECH