公开(公告)号：US20230311420A1

公开(公告)日：2023-10-05

申请号：US18018816

申请日：2020-07-30

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Ferran ESQUIUS BERENGUERAS ,  Esteve COMAS CESPEDES ,  Jordi BAUTISTA BALLESTER ,  David RAMIREZ MUELA ,  Xavier SOLER PEDEMONTE

IPC: B29C64/393 ,  B29C64/165 ,  B29C64/291 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

CPC classification number: B29C64/393 ,  B29C64/165 ,  B29C64/291 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29K2075/00

Abstract: A 3D printer is disclosed herein. The 3D printer comprises a build material distributor to generate layers of a build material having a right limit temperature of the build material crystallization curve higher than a left limit temperature of the build material fusing curve. The 3D printer also comprises an agent distributor to selectively deposit an energy absorbent fusing agent to a layer of build material; an energy source to emit energy at a set of wavelengths comprised in the range of 430 to 1200 nm; and a controller. The controller is to receive print job data of a 3D object to be generated; control the build material distributor to generate a layer of build material; control the agent distributor to selectively deposit the fusing agent based on the print job data; and to control the energy source to emit energy to the layer of build material to cause build material on which the fusing agent was deposited to melt, coalesce and then solidify upon cooling.