公开(公告)号：US11801632B2

公开(公告)日：2023-10-31

申请号：US17230616

申请日：2021-04-14

Applicant: SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Qi Ge ,  Jianxiang Cheng

IPC: B29C64/124 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  B29C64/393 ,  B29C64/241 ,  B29C64/35 ,  B33Y10/00

CPC classification number: B29C64/124 ,  B29C64/241 ,  B29C64/35 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02

Abstract: The present disclosure provides a multi-material photocuring 3D printer and a 3D printing method, wherein multi-material photocuring 3D printer comprises: a frame; a printing platform, arranged on frame; a lifting device, arranged on printing platform; a rotary motor, arranged on lifting device; a printing plate, arranged on rotary motor; wherein a bottom surface of printing plate is a printing plane; a plurality of resin slots, arranged on frame and located below printing plate; an optical engine, arranged on frame and located below printing plate. The present disclosure connects printing plate with rotary motor, after finishing printing with one material, it is possible to remove residual liquid resin on printed piece and printing plane by a method of high-speed centrifugation, to avoid any contaminations to printed piece, thereby ensuring printed piece in multi-material having a high precision and a high resolution.