Method and arrangement for building metallic objects by solid freeform fabrication with two welding guns

A technology for metal objects and welding torches, which is used in the field of constructing metal objects and equipment from two welding torches through solid free forming manufacturing, which can solve problems such as poor deposition, thin layer deformation, and inability to control the shape of the deposited layer.

CN109689267AActive Publication Date: 2019-04-26NORSK TITANIUM
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2019-04-26

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Abstract

Provided are a systems and methods for manufacturing objects by solid freeform fabrication, especially titanium and titanium alloy objects, wherein the deposition rate is increased by using two separate heat sources, one heat source for heating the deposition area on the base material and one heat source for heating and melting a metallic material, such as a metal wire or a powdered metallic material.
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Description

[0001] Related applications

[0002] U.S. Patent Application Serial No. 14 / 008,307, filed September 27, 2013, entitled "Method and Apparatus for Constructing Metal Objects by Solid Free Form Fabrication," which has an international application date of March 30, 2012 U.S. National Phase of International Patent Application No. PCT / NO2012 / 000033, entitled "Method and Apparatus for Constructing Metal Objects by Solid Free Form Fabrication," which claims filed March 31, 2011, entitled "For Priority of UK Patent Application No. GB ​​1105433.5 for Method and Apparatus for Constructing Metal Objects by Solid Free Form Fabrication", the subject matter of each of the aforementioned patent applications is hereby incorporated by reference in its entirety. technical field

[0003] The present invention relates to a method and apparatus for producing objects, in particular titanium and titanium alloy objects, by solid free-form fabrication. Background technique

[0004] Structural metal ...

Examples

Embodiment Construction

[0046] A. Definition

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. All patents, patent applications, published applications and publications, websites, and other publications mentioned throughout the disclosure herein are incorporated by reference in their entirety unless otherwise indicated. If there is more than one definition of a term in this document, the definition in this section shall prevail. It should be understood that where URLs or other such identifiers or addresses are referenced, such identifiers can change and specific information on the Internet can come and go, but equivalent information can be found by searching the Internet. References demonstrate the availability and public dissemination of this information.

[0048] As used herein, the singular forms "a," "an," and "the" include the plural forms as well, u...