公开(公告)号：US20220288844A1

公开(公告)日：2022-09-15

申请号：US17637657

申请日：2019-09-24

申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

发明人： Cristian Ferris Roig ,  Julia Almacellas Visa ,  Marc Borras Camarasa ,  Davinia Font Calafell

IPC分类号： B29C64/194 ,  B29C64/393 ,  B29C64/153 ,  B29C64/277

摘要： Methods of treating fused build material in an additive manufacturing system are described. The method includes a first treatment process comprising: depositing unfused build material over the fused build material in a working area of the additive manufacturing system, thereby providing a first build material layer; and supplying energy from a first energy source to the first build material layer to heat but substantially not fuse the unfused build material of the first build material layer. The method also includes a second treatment process comprising: depositing unfused build material over the first build material layer in the working area, thereby providing a second build material layer; and supplying energy from a second energy source to the second build material layer to heat but substantially not fuse the unfused build material of the first and second build material layers.

公开(公告)号：US12053929B2

公开(公告)日：2024-08-06

申请号：US17433211

申请日：2019-04-29

申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

发明人： Cristian Ferris Roig ,  Tania Torm Obradors ,  Jordi Blanch Costa

IPC分类号： B29C64/295 ,  B29C64/153 ,  B29C64/165 ,  B29C64/245 ,  B29C64/25 ,  B33Y10/00 ,  B33Y30/00 ,  H05B3/26

CPC分类号： B29C64/295 ,  B29C64/153 ,  B29C64/165 ,  B29C64/245 ,  B29C64/25 ,  B33Y10/00 ,  B33Y30/00 ,  H05B3/26 ,  H05B2203/013

摘要： A build unit for a three-dimensional printer, comprising a housing comprising sidewalls and a build platform movable within the housing. The housing and the build platform form a build chamber. The build unit further comprises a lateral heater mounted on the housing. The lateral heater is operable to apply a uniform housing temperature across all the section of the build unit by delivering variable power density along the housing.

公开(公告)号：US20220143912A1

公开(公告)日：2022-05-12

申请号：US17414447

申请日：2019-08-02

申请人： Hewlett-Packard Development Company, L.P.

发明人： Davinia Font Calafell ,  Marc Borras Camarasa ,  Julia Almacellas Visa ,  Cristian Ferris Roig ,  Pol Fornos Martinez ,  Ismael Fernandez Aymerich ,  Hector Vega Vega

IPC分类号： B29C64/259 ,  B29C64/295 ,  B29C64/245 ,  B33Y30/00 ,  B33Y40/20

摘要： A mobile build unit (2) for selectively locating in a build chamber (4) of an additive manufacturing machine (6). The mobile build unit has a build platform (8) to receive build material; and a build unit heater (10) to heat layers of build volume formed on the build platform (8). The build unit heater (10) is movable between a first position in which the build unit heater (10) is stored, and a second position in which the build unit heater (10) is mounted over the build platform (8).