3D printing forming process and device for increasing strength and toughness of printed piece
A technology of 3D printing and printed parts, applied in the field of 3D printing molding process methods and devices for improving the strength and toughness of printed parts, can solve the problems of insufficient bonding strength, layer-to-layer stress concentration, peeling, etc., so as to improve the strength and improve the stress. Concentrate and increase the effect of bond strength
Active Publication Date: 2018-05-11
GUANGXI AISHENG CHUANGZHI SCI & TECH CO LTD
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is: the bonding strength between the middle layer and the layer of the 3D printed part is insufficient, the stress concentration between the layers is easy to occur during the use process, and the peeling phenomenon occurs between the layers
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[0020] In order to enable those skilled in the art to better understand the technical device of the present application, the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
[0021] The orientation terms such as up, down, left, right, front and rear in this application document are established based on the positional relationship shown in the drawings. If the drawings are different, the corresponding positional relationship may also change accordingly, so this should not be understood as limiting the scope of protection.
[0022] This embodiment describes a 3D printing molding process method that improves the strength and toughness of printed parts. The method is to simultaneously perform high-speed needle insertion during the 3D printing extrusion wire feeding process, and pierce the printing layer and the printing bottom layer through the insertion needle. The printing layer and the printing b...
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The invention discloses a 3D printing forming process and a device for increasing the strength and toughness of a printed piece. By virtue of a 3D printing device which comprises a contact pin, an extrusion head, an extrusion head seat, a heater and a 3D printing consumable wire feeder, in the process of 3D printing extrusion and wire feeding, the contact pin synchronously moves at high speed, a printing layer and a printing bottom layer are pierced by using the contact pin, and the printing layer and the printing bottom layer form a concave pressing structure in the position of the contact pin. Compared with a traditional 3D printing forming extrusion device, the 3D printing forming process has the advantages that the fatigue resistance, strength and toughness of a forming member can be effectively increased, so that the printed piece is stable; additionally, an extrusion system of an existing fused deposition 3D printer can be modularly replaced by the device.
Description
technical field [0001] The invention mainly relates to the field of 3D printing molding, and in particular to a 3D printing molding process method and device for improving the strength and toughness of printed parts. Background technique [0002] When using the fused deposition process for 3D printing, it is found that the general molding sample has insufficient layer-to-layer adhesion strength, and the overall tensile performance and toughness are farther than injection molded parts. Therefore, the range of use of the 3D printer of this molding process technology in actual production is severely limited. Contents of the invention [0003] The technical problem to be solved by the present invention is: the bonding strength between the layers in the 3D printed part is insufficient, the stress concentration between the layers is easy to occur during use, and the peeling phenomenon occurs between the layers. In order to solve this technical problem, the present invention pro...
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Login to View More IPC IPC(8): B29C64/118B29C64/20B29C64/209B29C64/188B29C64/336B33Y10/00B33Y30/00B33Y40/00
CPCB33Y10/00B33Y30/00B33Y40/00
Inventor 杨兴高晖郑生文湛红波陈建丁振
Owner GUANGXI AISHENG CHUANGZHI SCI & TECH CO LTD