公开(公告)号：US11298877B2

公开(公告)日：2022-04-12

申请号：US16669602

申请日：2019-10-31

Applicant: Xi'an University of Technology

Inventor： Gengxiang Wang ,  Pengfei Li ,  Kaihe Wei

IPC: B29C64/245 ,  B29C64/209 ,  B29C64/227 ,  B33Y30/00

Abstract: A variable-size fully-automatic 3D printing system based on a cylindrical coordinate system includes a base provided with a retractable work platform; the base is provided with a vertical support side plate on a side thereof; an upper end of the support side plate is connected to a top plate, and the top plate is located directly above the base; a lower side of the top plate is connected to a sleeve via a column seat; a lower end of the sleeve is provided with a protrusion; a lower end of the protrusion is connected with a cross beam; a lower side of the cross beam is provided with a ball screw a, one end of the ball screw a is connected to a power end of a first servo motor disposed at an outer end of the cross beam.