3D printing process for photosensitive resin

A 3D printing, photosensitive resin technology, applied in the field of 3D printing, can solve the problem that it is only suitable for printing specific printing materials, and achieve the effect of excellent surface quality and high dimensional accuracy

Inactive Publication Date: 2018-06-01
佛山三维二次方科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

At the same time, there is an inseparable relationship between the printing process and the printing material. A specific printing process can only be sui

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  • 3D printing process for photosensitive resin
  • 3D printing process for photosensitive resin

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[0015] In order to let those skilled in the art understand the present invention more clearly and intuitively, the present invention will be further described below in conjunction with the accompanying drawings.

[0016] Photosensitive resin is a kind of printing material that is stable and liquid in the state of raw materials. These resins usually include polymer monomers, prepolymers and ultraviolet photoinitiators. During the printing process, the irradiation of ultraviolet laser can make it instantaneous. Curing. Therefore, this type of printing consumables has good surface drying performance, smooth and clean surface after molding, high product resolution, excellent detail display, and even higher quality than injection molded products. These outstanding advantages make photosensitive resin the material of choice for high-end, artistic 3D printing products. However, the cost of the current photosensitive resin is still high, and the mechanical strength, heat resistance and ...

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Abstract

The invention discloses a 3D printing process for photosensitive resin. The 3D printing process comprises the following steps: firstly, performing sectioning treatment on a digital model by utilizinga program, and designing a scanning route in order to precisely control the motion of a laser scanner and a lifting platform; afterwards, irradiating the surface of liquid photosensitive resin according to the designed scanning route by virtue of a scanner controlled by a digital control device by utilizing laser beams so that a specific region of the liquid photosensitive resin can be cured to form a layer of section of the mode; subsequently controlling the lifting platform to move down for a tiny distance to make sure that the cured layer can be coated with a new liquid resin layer, and simultaneously scanning a second layer, wherein at the moment a second cured layer can be firmly adhered to the previous cured layer; and repeatedly performing the steps so that an object can be generated layer by layer from the bottom.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a 3D printing process of photosensitive resin. Background technique [0002] 3D printing technology, also known as additive manufacturing or incremental manufacturing (Additive manufacturing), refers to the technology based on three-dimensional mathematical model data, through continuous physical layer superposition, adding materials layer by layer to generate three-dimensional entities. Compared with traditional material processing technology, 3D printing technology has many outstanding advantages, as follows: (1) It can realize digital manufacturing. 3D printing digitizes the product structure with the help of modeling software, and then drives the machine equipment to process and manufacture devices. Since the digital files can be transmitted through the network, the production mode of distributed manufacturing in different places can be realized; (2) 3D printing technolog...

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Application Information

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IPC IPC(8): B29C64/124B33Y10/00
CPCB33Y10/00
Inventor 梁骏飞
Owner 佛山三维二次方科技有限公司
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