Method of producing a three-dimensional component

Patent metadata

Field	Value
Publication number	US-2016184897-A1
Application number	US-201615065883-A
Country	US
Kind code	A1
Filing date	Mar 10, 2016
Priority date	Mar 10, 2016
Publication date	Jun 30, 2016
Grant date	—

Abstract

A method of producing a hardened component includes forming a 3-dimensional (3D) structure using an additive manufacturing process. The method includes forming the 3D structure using the additive manufacturing process and defining one or more passages there within. The method further includes heating the 3D structure in a pre-defined chamber to increase a temperature of the 3D structure to a pre-determined value. The method thereafter includes performing at least one of: infusing the plurality of passages defined in the heated 3D structure with a gaseous medium for at least a pre-defined period of time, and quenching the plurality of passages in the 3D structure with a quenching fluid for a pre-defined period of time.

First claim

What is claimed is:

1 . A method of producing a three-dimensional (3D) component, the method comprising:
forming a 3D structure using an additive manufacturing process, wherein forming the 3D structure includes defining one or more passages there within; heating the 3D structure in a pre-defined chamber to increase a temperature of the 3D structure to a pre-determined value; and performing at least one of:
infusing the one or more passages defined in the heated 3D structure with a gaseous medium for at least a pre-defined period of time; and
quenching the one or more passages in the 3D structure with a quenching fluid for a pre-defined period of time.

2 . The method of claim 1 , wherein the one or more passages from the plurality of passages defined in the 3D structure are stand-alone passages.

3 . The method of claim 1 , wherein the one or more passages from the plurality of passages are configured to be mutually interconnected to define a network of passages in the 3D structure.

4 . The method of claim 1 , wherein quenching the one or more passages in the 3D structure is performed subsequent to heating the 3D structure and infusing the gaseous medium into the one or more passages.

5 . The method of claim 1 , wherein the gaseous medium is associated with at least one of: a nitriding process, a ferritic-nitro-carburizing process, a carbo-nitriding process, and a carburizing process.

Assignees

• Caterpillar Inc

Inventors

• Birky Zachary Steven

Classifications

• B22F3/26 Primary

  Impregnating {(making ferrous alloys by impregnation C22C33/0242)} · CPC title

• C21D1/18

  Hardening (C21D1/02 takes precedence); Quenching with or without subsequent tempering (quenching devices C21D1/62) · CPC title

• C23C8/32 Primary

  of ferrous surfaces · CPC title

• C23C8/26

  of ferrous surfaces · CPC title

• B33Y10/00

  Processes of additive manufacturing · CPC title