Additive manufacturing method and assembly
Abstract
Methods and assemblies for additive manufacturing portions of components with enhanced strength are provided. The assemblies comprise a first deposition head and an apparatus for causing one or more reinforcement fibers to extend more than two layers within previously-deposited layers of build material. The first deposition head is configured to deposit a plurality of layers of a filament comprising a reinforcement fiber and thermoplastic material. The apparatus may comprise a needle point configured to be inserted into the plurality of layers to displace the reinforcement fiber so that it extends two or more of the plurality of layers. The apparatus may additionally or alternatively comprise a second deposition head having a needle tip configured to be inserted into the plurality of layers to inject a length of a second filament comprising thermoplastic material and a reinforcement fiber so that the reinforcement fiber of the second filament extends two or more layers of the plurality of layers of the first filament.
- Inventors:
- Issue Date:
- Research Org.:
- Kansas City Plant (KCP), Kansas City, MO (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1892722
- Patent Number(s):
- 11279080
- Application Number:
- 16/705,363
- Assignee:
- Honeywell Federal Manufacturing & Technologies, LLC (Kansas City, MO)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
B - PERFORMING OPERATIONS B33 - ADDITIVE MANUFACTURING TECHNOLOGY B33Y - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- DOE Contract Number:
- NA0002839
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 12/06/2019
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Barr, Christian G., and Bohnert, George W. Additive manufacturing method and assembly. United States: N. p., 2022.
Web.
Barr, Christian G., & Bohnert, George W. Additive manufacturing method and assembly. United States.
Barr, Christian G., and Bohnert, George W. Tue .
"Additive manufacturing method and assembly". United States. https://www.osti.gov/servlets/purl/1892722.
@article{osti_1892722,
title = {Additive manufacturing method and assembly},
author = {Barr, Christian G. and Bohnert, George W.},
abstractNote = {Methods and assemblies for additive manufacturing portions of components with enhanced strength are provided. The assemblies comprise a first deposition head and an apparatus for causing one or more reinforcement fibers to extend more than two layers within previously-deposited layers of build material. The first deposition head is configured to deposit a plurality of layers of a filament comprising a reinforcement fiber and thermoplastic material. The apparatus may comprise a needle point configured to be inserted into the plurality of layers to displace the reinforcement fiber so that it extends two or more of the plurality of layers. The apparatus may additionally or alternatively comprise a second deposition head having a needle tip configured to be inserted into the plurality of layers to inject a length of a second filament comprising thermoplastic material and a reinforcement fiber so that the reinforcement fiber of the second filament extends two or more layers of the plurality of layers of the first filament.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {3}
}
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