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3D-Printing of magnetic materials to enable advanced design features

IP.com Disclosure Number: IPCOM000241303D
Publication Date: 2015-Apr-15

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The IP.com Prior Art Database

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10156: IP.COM

Abstract

This invention focuses on multimaterial 3D-Printing and is a further step towards integration of multiple funtions into one product while being manufactured via 3D-Print. The invention can not only improve mounting and alignment of components but also the self-assembly, 4D Printing, or manufacturing of active parts. The main idea is to feed magnetic materials like neodymium into the metal or plastic 3D-Printing process with the target to enable advanced design features. This will lead to a 3D-Printed work piece which consists of different metal or plastic materials (or alloys) which includes embedded magnetic zones / features which are generated by the implementation of neodymium into the part. By imprinting magnetic powder, e.g. Neodymium, into the 3D components, strong permanent magnetic fields will be created allowing all possible functions such as mounting, alignment of components, self - assembly, 4D-Printing, mechanisms, joints, etc. Guide devices can be cooled, controlled & steered in a way to change their location in space to enable the manufacturing of different cross-sections and shapes and magnetization

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Page 01 of 12

3D-Printing of magnetic materials to enable advanced design features

This invention focuses on multimaterial 3D-Printing and is a further step towards integration of multiple funtions into one product while being manufactured via 3D-Print. The invention can not only improve mounting and alignment of components but also the self-assembly, 4D Printing, or manufacturing of active parts.

The main idea is to feed magnetic materials like neodymium into the metal or plastic 3D-Printing process with the target to enable advanced design features.

This will lead to a 3D-Printed work piece which consists of different metal or plastic materials (or alloys) which includes embedded magnetic zones / features which are generated by the implementation of neodymium into the part. By imprinting magnetic powder, e.g. Neodymium, into the 3D components, strong permanent magnetic fields will be created allowing all possible functions such as mounting, alignment of components, self - assembly, 4D-Printing, mechanisms, joints, etc.

Guide devices can be cooled, controlled & steered in a way to change their location in space to enable the manufacturing of different cross-sections and shapes and magnetization.

Guiding element

S

NGuiding wall



Page 02 of 12

3D-Printing of magnetic materials to enable advanced design features

This invention focuses on multimaterial 3D-Printing and is a further step towards integration of multiple funtions into one product while being manufactured via 3D-Print. By this the inventions may support e.g. an aircraft manufacturer in mounting, alignment of components, self-assembly, 4D Printing, manufacturing of active parts.

The main idea is to feed magnetic materials like neodymium into the metal or plastic 3D-Printing process with the target to enable advanced design features.

This will lead to a 3D-Printed work piece which consists of different metal or plastic materials (or alloys) which includes embedded magnetic zones / features which are generated by the implementation of neodymium into the part. 3D-Printing with multiple materials is shown in pictures 1 to 7.

By imprinting magnetic powder, e.g. Neodymium, into the 3D components, strong permanent magnetic fields will be created allowing all possible functions such as mounting, alignment of components, self - assembly, 4D-Printing, mechanisms, joints, etc.

At least partly imprinted magnetic powder, e.g. neodymium powder, results in a permanent magnetic area of the 3D product compared to areas where no magnetic powder is added. It might be expected that magnetic powder aligns itself before solidification resulting in this magnetic property. If this self-alignment of the powder is not strong enough an external magnetic influence is required to support this alignment of the Weiss domains. This alignment can be done after printing (e.g. powder bed print method) and/or during printing (e.g. wire feed printing). An external influenced alignment of the Weiss domains can be done by...