公开(公告)号：US20160045981A1

公开(公告)日：2016-02-18

申请号：US14822225

申请日：2015-08-10

Applicant: AIR PRODUCTS AND CHEMICALS, INC.

Inventor： Zbigniew Zurecki ,  Ranajit Ghosh

IPC: B23K26/14 ,  B23K26/12 ,  B23K26/00 ,  B23K26/342

CPC classification number: B23K26/1437 ,  B22F3/1055 ,  B22F2003/1056 ,  B23K26/123 ,  B23K26/127 ,  B23K26/342 ,  B23K2103/04 ,  B23K2103/05 ,  B23K2103/08 ,  B23K2103/10 ,  B23K2103/12 ,  B23K2103/14 ,  B23K2103/15 ,  B23K2103/26 ,  B33Y10/00 ,  B33Y30/00 ,  Y02P10/295

Abstract: Methods and systems for controlling gas atmospheres in three-dimensional laser printing and weld overlay consolidation operations using metallic powders are provided. In one or more embodiments, such systems and methods comprise a printing chamber or laser weld overlay system, a gas supply system, a feed powder system, and one or more sensors employed to control the printing or welding operation. The methods and systems of the invention employ one or more inert gases having a purity greater than or equal to 99.995%

Abstract translation: 提供了使用金属粉末来控制三维激光打印和焊接叠加操作中的气体环境的方法和系统。 在一个或多个实施例中，这样的系统和方法包括印刷室或激光焊接覆盖系统，气体供应系统，进料粉末系统以及用于控制印刷或焊接操作的一个或多个传感器。 本发明的方法和系统采用一种或多种纯度大于或等于99.995％的惰性气体，

公开(公告)号：US10730142B2

公开(公告)日：2020-08-04

申请号：US14822225

申请日：2015-08-10

Applicant: AIR PRODUCTS AND CHEMICALS, INC.

Inventor： Zbigniew Zurecki ,  Ranajit Ghosh

IPC: B23K26/14 ,  B33Y30/00 ,  B22F3/105 ,  B23K26/12 ,  B33Y10/00 ,  B23K26/342 ,  B23K103/04 ,  B23K103/08 ,  B23K103/10 ,  B23K103/12 ,  B23K103/14 ,  B23K103/18

Abstract: Methods and systems for controlling gas atmospheres in three-dimensional laser printing and weld overlay consolidation operations using metallic powders are provided. In one or more embodiments, such systems and methods comprise a printing chamber or laser weld overlay system, a gas supply system, a feed powder system, and one or more sensors employed to control the printing or welding operation. The methods and systems of the invention employ one or more inert gases having a purity greater than or equal to 99.995%