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New printing process improves 3D functionality



New printing process improves 3D functions

The stretched object was created using 3D injection printing, a new technology invented by UMass Lowell plastic engineering professor David Kazmer. Image credit: David Kazmer

The new 3-D printing technology invented by UMass Lowell researchers can provide patients with more durable prostheses and medical equipment, as well as sturdy parts for airplanes and cars.


Substances such as plastics, metals, and wax are used in 3D printers to make products and parts for larger objects, because this approach disrupts the field of prototyping and manufacturing. Products produced by 3D printing of plastics range from toys to drones. David Kazmer of UMass Lowell said that although the global market for 3D plastic printers is estimated at $4 billion and is still growing, it is a challenge to ensure that these printers can produce objects that can be produced quickly, maintain their strength and accurately reflect the desired shape. still exists. The engineering professor responsible for the research project.

Kazmer̵

7;s first technology called injection printing has been published in academic journals Additive manufacturing Published online last week.

The present invention combines the elements of 3-D printing and injection molding, and the technology of creating objects by filling molten materials into the cavity. The combination of the two methods increases the productivity of 3-D printing, while increasing the strength and performance of the resulting product. Katzmel, who lives in Georgetown, said that this innovative technology can usually be three times faster than traditional 3D printing, which means that the work that used to take about 9 hours now only takes 3 hours.

“The present invention greatly improves the quality of the produced parts, making them completely dense, with almost no cracks or voids, and therefore stronger. For technical applications, this is a game changer. The new process is also cost-effective because it can jam Zimmer said: “This software is used in existing 3-D printers, and only the new software can program the machine. “

This process takes about 18 months. Candidates for plastics engineering at the University of Plymouth in Lowell, Massachusetts, worked with Kazmer to help validate the technology, who taught courses in product design, prototyping, and process control. He has applied for a patent for this new technology.


Researchers invented technology to remedy the “weakness” of 3D printing


More information:
David O. Kazmer et al. Injection molding: plasticizing and molding through extrusion and filling of shell materials, Additive manufacturing (2020). DOI: 10.1016 / j.addma.2020.101469

Courtesy of Lowell University of Massachusetts

Citation: The new printing process improves 3D capabilities (August 1, 2020), retrieved from https://phys.org/news/2020-08-advances-d-capabilities.html to August 1, 2020

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