公开(公告)号：US20160059493A1

公开(公告)日：2016-03-03

申请号：US14643812

申请日：2015-03-10

Applicant: Product Innovation and Engineering L.L.C.

Inventor： Todd Eugene Sparks ,  Kenneth K. Fletcher

IPC: B29C67/00 ,  G05B19/4099

CPC classification number: B29C64/386 ,  B33Y50/02 ,  G05B19/4099 ,  G05B2219/35134 ,  G05B2219/49007 ,  Y02P90/265

Abstract: A build description is created for a part intended to be built by additive layering. The build description includes a description of the part broken down into constituent substructures and a build sequence for the substructures. A power schedule calculation method utilizes the build description and an idealized geometry to predict laser power levels on an additive path during laser deposition. The method calculates beam power for any point along the path traveled to form the build. Each point along the path has associated with it an idealized geometry comprising a melt pool, hot zone and bulk portion. The method comprises creating the build description, creating a path description representing the path of the beam source through space during the process, calculating the idealized geometry for the point on the path based upon the geometric description and path description, calculating an energy balance at the melt pool for the point on the path, calculating total energy needed at the point on the path and calculating optimum beam source power. In the calculations, build temperature is based upon a calculation of hot zone temperature derived from the idealized geometry.

Abstract translation: 为要通过添加分层构建的部分创建构建描述。 构建描述包括分解成组成子结构的部分的描述和子结构的构建顺序。 功率计划计算方法利用构建描述和理想几何来预测激光沉积期间添加路径上的激光功率水平。 该方法计算沿着行进路径的任何点的波束功率，以形成构建。 沿着路径的每个点与其相关联，是包括熔池，热区和主体部分的理想化几何形状。 该方法包括创建构建描述，在该过程期间创建表示通过空间的光束源的路径的路径描述，基于几何描述和路径描述计算路径上的点的理想化几何，计算在 在路径上的点熔化池，计算路径上所需点的总能量并计算最佳光束源功率。 在计算中，构建温度基于从理想化几何导出的热区温度的计算。

公开(公告)号：US09757902B2

公开(公告)日：2017-09-12

申请号：US14643812

申请日：2015-03-10

Applicant: Product Innovation and Engineering L.L.C.

Inventor： Todd Eugene Sparks ,  Kenneth K. Fletcher

IPC: B23K26/34 ,  B29C67/00 ,  G05B19/4099 ,  B33Y50/02

CPC classification number: B29C64/386 ,  B33Y50/02 ,  G05B19/4099 ,  G05B2219/35134 ,  G05B2219/49007 ,  Y02P90/265

Abstract: A build description is created for a part intended to be built by additive layering. The build description includes a description of the part broken down into constituent substructures and a build sequence for the substructures. A power schedule calculation method utilizes the build description and an idealized geometry to predict laser power levels on an additive path during laser deposition. The method calculates beam power for any point along the path traveled to form the build. Each point along the path has associated with it an idealized geometry comprising a melt pool, hot zone and bulk portion. The method comprises creating the build description, creating a path description representing the path of the beam source through space during the process, calculating the idealized geometry for the point on the path based upon the geometric description and path description, calculating an energy balance at the melt pool for the point on the path, calculating total energy needed at the point on the path and calculating optimum beam source power. In the calculations, build temperature is based upon a calculation of hot zone temperature derived from the idealized geometry.