DLP-based 3D printing control method, storage medium and 3D printing equipment
A technology of 3D printing and control method, applied in the field of 3D printing, can solve the problems of easy dislocation of the joint surface and the inability of the 3D printing equipment to replace the processing data.
Active Publication Date: 2019-02-12
HANS LASER TECH IND GRP CO LTD
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Problems solved by technology
[0005] The technical solution disclosed in the present invention can at least solve the following technical problems: DLP-based 3D printing equipment cannot replace processing data in the process of curing photosensitive resin layer by layer; after the process of curing photosensitive resin layer by layer is interrupted, the bonding surface is prone to dislocation , leaving obvious segmentation marks on the 3D model
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[0017] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. The terms "first", "second" and the like in the claims, description and drawings of th...
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An embodiment of the invention discloses a DLP (Digital Light Processing)-based 3D printing control method, a storage medium and 3D printing equipment and relates to the technical field of 3D printing. The DLP-based 3D printing control method comprises the following steps: when receiving a re-printing request and second printing data, exposing and curing photosensitive resin of the (n+1)th layer for m times, that is, lifting the photosensitive resin of the nth layer for a height H for m times, and projecting a cross section of the (n+1)th layer of an object onto the photosensitive resin according to the second printing data during each time of lifting of the photosensitive resin of the nth layer; and when only receiving the re-printing request, exposing and curing the photosensitive resinof the (n+1)th layer for m times, that is, lifting the photosensitive resin of the nth layer for the height H for m times, and projecting a cross section of the (n+1)th layer of the object onto the photosensitive resin according to first printing data. According to the technical solution disclosed by the embodiment of the invention, processing data can be replaced in the layer-by-layer curing process of the photosensitive resin. The probability of segmentation marks is low.
Description
technical field [0001] The technical solutions disclosed in the embodiments of the present invention relate to the technical field of 3D printing, and in particular to a DLP (Digital Light Processing, digital light processing technology)-based 3D printing control method, storage medium and 3D printing equipment. Background technique [0002] At present, DLP-based 3D printing equipment has the advantages of fast printing speed, high printing accuracy, and low cost. [0003] The DLP-based 3D printing equipment uses one or more DLP projection equipment to project the cross-section of the object on the workbench layer by layer, so that the photosensitive resin is cured layer by layer. After the photosensitive resin of the i-th layer is cured, the workbench is raised to a level, and then the photosensitive resin of the i+1-th layer is cured. DLP-based 3D printing equipment repeatedly performs the above curing process until the 3D model of the object is printed. [0004] The inv...
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IPC IPC(8): B29C64/393B29C64/106B33Y50/02
CPCB33Y50/02
Inventor 王浩祁杨停袁剑南威高云峰
Owner HANS LASER TECH IND GRP CO LTD