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POWDER APPLICATION UNIT FOR A PBLS SYSTEM AND METHOD FOR APPLYING TWO SUCCESSIVE POWDER LAYERS IN A PLBS METHOD
POWDER APPLICATION UNIT FOR A PBLS SYSTEM AND METHOD FOR APPLYING TWO SUCCESSIVE POWDER LAYERS IN A PLBS METHOD
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机译:用于PBLS系统的粉末施加单元和在PLBS方法中施加两个连续粉末层的方法
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摘要
The invention relates to a powder application unit (8) for a PBLS system (1), wherein the powder application unit (8) comprises an application medium which is movably mounted parallel to a working plane of the PBLS system (1) in order to be able to move powder along the working plane, wherein a distance of the application medium to the working plane can be modified in that the application medium is mounted about a swivel axis (S) in a swiveling manner in order to be able to swivel the application medium away from the working plane. In order to provide an improved powder application unit, according to the invention the powder application unit (8) has a means for swiveling the application medium which is designed and which interacts with the application medium such that the application medium is first unswiveled in a work position during outward travel and then, during the continued travel along a predetermined route, is swiveled against the work position and, during an opposite return travel along the predetermined route, is unswiveled in the work position. The invention further relates to a method for applying two successive powder layers in a PBLS method.
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