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公开(公告)号：US12030245B2
公开(公告)日：2024-07-09
申请号：US18084029
申请日：2022-12-19
申请人： RENISHAW PLC
IPC分类号： B29C64/153 , B22F10/28 , B22F12/00 , B23K26/08 , B23K26/142 , B23K26/342 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F10/10 , B22F10/322 , B22F10/36 , B22F10/366 , B22F12/41 , B22F12/49 , B22F12/63 , B22F12/70 , B23K26/14 , B28B1/00
CPC分类号： B29C64/153 , B22F10/28 , B22F12/00 , B23K26/0869 , B23K26/142 , B23K26/342 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F10/10 , B22F10/322 , B22F10/36 , B22F10/366 , B22F12/41 , B22F12/49 , B22F12/63 , B22F12/70 , B22F2999/00 , B23K26/1437 , B23K26/1438 , B28B1/001 , Y02P10/25 , B22F2999/00 , B22F10/36 , B22F10/366 , B22F10/322 , B22F2202/11 , B22F2201/02 , B22F2201/10 , B22F2999/00 , B22F10/30 , B22F2202/11 , B22F2201/02 , B22F2201/10
摘要： Selective laser solidification apparatus is described that includes a powder bed onto which a powder layer can be deposited and a gas flow unit for passing a flow of gas over the powder bed along a predefined gas flow direction. A laser scanning unit is provided for scanning a laser beam over the powder layer to selectively solidify at least part of the powder layer to form a required pattern. The required pattern is formed from a plurality of stripes or stripe segments that are formed by advancing the laser beam along the stripe or stripe segment in a stripe formation direction. The stripe formation direction is arranged so that it always at least partially opposes the predefined gas flow direction. A corresponding method is also described.
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公开(公告)号：US11565346B2
公开(公告)日：2023-01-31
申请号：US16587146
申请日：2019-09-30
申请人： RENISHAW PLC
IPC分类号： B23K26/142 , B23K26/342 , B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F12/00 , B23K26/08 , B28B1/00 , B22F10/10 , B22F10/322 , B22F10/28 , B22F10/366 , B23K26/14 , B22F12/70
摘要： Selective laser solidification apparatus is described that includes a powder bed onto which a powder layer can be deposited and a gas flow unit for passing a flow of gas over the powder bed along a predefined gas flow direction. A laser scanning unit is provided for scanning a laser beam over the powder layer to selectively solidify at least part of the powder layer to form a required pattern. The required pattern is formed from a plurality of stripes or stripe segments that are formed by advancing the laser beam along the stripe or stripe segment in a stripe formation direction. The stripe formation direction is arranged so that it always at least partially opposes the predefined gas flow direction. A corresponding method is also described.
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