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公开(公告)号：EP3878581A1
公开(公告)日：2021-09-15
申请号：EP21159105.2
申请日：2021-02-24
申请人： Xerox Corporation
发明人： DERGHAM, Ali R. , HERRMANN, Douglas K. , ATWOOD, Christopher D. , RUIZ, Erwin , BRYL, Derek A. , HOOVER, Linn C.
IPC分类号： B22F10/22 , B22F10/30 , B22F12/13 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y40/10 , B33Y50/02
摘要： A method operates a three-dimensional (3D) metal object manufacturing system to maintain a temperature of an uppermost layer of a 3D metal object being formed within a temperature range conducive for bonding between the uppermost layer and a next layer to be formed. A controller of the system compares a temperature of the uppermost layer with at least a low end temperature of the temperature range and operates an electrical resistance switching network using 3D model data to provide electrical power selectively to heating elements in a modular heater to heat the 3D metal object being formed when the temperature indicated by the signal from the sensor is less than the predetermined temperature.
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公开(公告)号：EP3875188A1
公开(公告)日：2021-09-08
申请号：EP21157957.8
申请日：2021-02-18
申请人： Xerox Corporation
摘要： A three-dimensional printing system, the system comprising a build platform and a printhead for depositing a conductive print material at deposition contact points of a build surface on the build platform. A heating system comprises at least one induction coil for preheating the deposition contact points of the build surface.
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公开(公告)号：EP3875189A2
公开(公告)日：2021-09-08
申请号：EP21157968.5
申请日：2021-02-18
申请人： Xerox Corporation
发明人： HERRMANN, Douglas K. , RUIZ, Erwin , DERGHAM, Ali R. , ATWOOD, Christopher D. , KNOPP, Daniel R. , BRYL, Derek A. , HOOVER, Linn C.
摘要： A three-dimensional printing system includes a build platform comprising a build surface. The printing system also includes an enclosure system having a side portion extending entirely around the build surface, a top plate portion that abuts the side portion, and a bottom portion. The side portion, the top plate portion and the bottom portion form an enclosed space surrounding the build surface. The top plate portion is moveable so as to adjust a volume of the enclosed space. A 3D printer printhead is disposed adjacent to the enclosure system for depositing a print material onto the build surface. The printing system also includes a heating system for heating the enclosed space.
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公开(公告)号：EP3926314A1
公开(公告)日：2021-12-22
申请号：EP21177430.2
申请日：2021-06-02
申请人： Xerox Corporation
发明人： ATWOOD, Christopher Douglas , RUIZ, Erwin , KERXHALLI, David M. , HERRMANN, Douglas K. , HOOVER, Linn C. , BRYL, Derek A. , DERGHAM, Ali R.
摘要： A system for determining a temperature of an object includes a three-dimensional (3D) printer configured to successively deposit a first layer of material, a second layer of material, and a third layer of material to form the object. The 3D printer is configured to form a recess in the second layer of material. The material is a metal. The system also includes a temperature sensor configured to be positioned at least partially with the recess and to have the third layer deposited thereon. The temperature sensor is configured to measure a temperature of the first layer of material, the second layer of material, the third layer of material, or a combination thereof.
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公开(公告)号：EP3875189A3
公开(公告)日：2021-11-24
申请号：EP21157968.5
申请日：2021-02-18
申请人： Xerox Corporation
发明人： HERRMANN, Douglas K. , RUIZ, Erwin , DERGHAM, Ali R. , ATWOOD, Christopher D. , KNOPP, Daniel R. , BRYL, Derek A. , HOOVER, Linn C.
摘要： A three-dimensional printing system includes a build platform comprising a build surface. The printing system also includes an enclosure system having a side portion extending entirely around the build surface, a top plate portion that abuts the side portion, and a bottom portion. The side portion, the top plate portion and the bottom portion form an enclosed space surrounding the build surface. The top plate portion is moveable so as to adjust a volume of the enclosed space. A 3D printer printhead is disposed adjacent to the enclosure system for depositing a print material onto the build surface. The printing system also includes a heating system for heating the enclosed space.
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