Proposal for 3D Printing in Space Using a Modular Centrifuge
A possible solution to the challenge of 3D printing in microgravity would be to implement a modular system where part of the printing bench detaches after each printed layer and is transferred to a separate centrifuge. This process would allow the part under construction to be fixed more firmly layer by layer, without relying on conventional gravity.
The proposal consists of a platform where the part, already partially printed, would be temporarily removed from the printer and placed in an external centrifuge. The centrifuge would rotate for a few seconds after each new layer, ensuring that the material is properly pressed and aligned, improving adhesion between the layers. An essential feature would be the use of a spike or pin at the base of the part, which would hold it firmly during rotation, preventing it from moving out of place.
To avoid premature cooling of the polymer caused by constant contact with air during rotation, it would be necessary to enclose the part in a "case" or a glass chamber, protecting it from the external environment and maintaining a controlled temperature. This insulation system would ensure that the polymer remains malleable until the printing is complete.
This cyclical process would continue until the part is fully printed. The rotation of each layer would help stabilize the structure, enabling a more robust and efficient construction in microgravity. In addition, the use of a modular centrifuge would minimize the size and complexity of the equipment, which is crucial for space environments.
This concept could be an interesting approach to 3D printing in space, providing a practical solution to circumvent the limitations of microgravity without the need for large structures.
Best regards, clismen
Facebook
Twitter
Instagram