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1. WO2022006241 - ADAPTIVE TOOLPATH FOR PRODUCING MATERIAL EXTRUSION 3D PRINTED MECHANICAL TESTING SPECIMENS

Publication Number WO/2022/006241
Publication Date 06.01.2022
International Application No. PCT/US2021/039841
International Filing Date 30.06.2021
IPC
B29C 64/106 2017.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
106using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29C 64/118 2017.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
106using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
118using filamentary material being melted, e.g. fused deposition modelling
B29C 67/00 2017.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
67Shaping techniques not covered by groups B29C39/-B29C65/93
B33Y 10/00 2015.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
Applicants
  • ESSENTIUM, INC. [US]/[US]
Inventors
  • MULHOLLAND, Thomas
  • SWEENEY, Charles Brandon
  • ZAHNER, Bryan
  • GERRINGER, Joseph
Agents
  • FILIP, Beth A.
Priority Data
63/046,18530.06.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ADAPTIVE TOOLPATH FOR PRODUCING MATERIAL EXTRUSION 3D PRINTED MECHANICAL TESTING SPECIMENS
(FR) TRAJET D'OUTIL ADAPTATIF POUR PRODUIRE DES ÉCHANTILLONS DE TEST MÉCANIQUE IMPRIMÉS EN 3D PAR EXTRUSION DE MATÉRIAU
Abstract
(EN) A method of producing XY mechanical test specimens uses material extrusion additive manufacturing. Toolpaths are generated which vary a width of individual beads from a first narrow width in a gage length to a second width greater than the first width in a test specimen grip region. The test specimens produced using additive manufacturing or 3D printing processes reduce a severity of stress concentrators that cause the specimens to fail in the gage length.
(FR) Une méthode de production d'échantillons de test mécanique XY utilise la fabrication additive par extrusion de matériau. Des trajectoires d'outil sont générées, qui font varier une largeur de billes individuelles d'une première largeur étroite dans une longueur de référence à une seconde largeur supérieure à la première largeur dans une région de prise d'échantillon de test. Les échantillons de test produits à l'aide de procédés d'impression 3D ou de fabrication additive réduisent la gravité des concentrateurs de contrainte qui amènent les échantillons à échouer dans la longueur de référence.
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