Aim 3D's Revolutionary 3D Extrusion Printing Technology Patented in USA & Europe

3D printing Aim 3D secures patents for 3D pellet printing technology

2024-07-22 Source: Aim 3D 2 min Reading Time

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3D printing company Aim 3D has received patents in the USA and Europe, protecting its work in 3D extrusion printing. These patents cover its technology for compact, decentralized pellet extruders and high-temperature material extrusion printing. The US patents also extend to filament extruders and high-flow hot ends.

CEM extruder nozzle (nozzle sizes from 0.3 mm to 0.6 mm) for Exam 255 and Exam 510 from Aim 3D(Source: Aim 3D) — CEM extruder nozzle (nozzle sizes from 0.3 mm to 0.6 mm) for Exam 255 and Exam 510 from Aim 3D
(Source: Aim 3D)

Aim 3D, a University of Rostock spin-off established in 2017, focuses on 3D pellet printers which it claims offer significant cost benefits due to lower material acquisition costs and the ability to recycle reclaimed material inline. Four key patents, developed between 2016 and 2018, were granted in 2023, covering the design and technical solutions of their 3D printing extruders.

The granted patents are:

EP3463799B1: System for the additive manufacture of metal parts

EP3648946B1: Compact extruder and extrusion of thermomechanically deformable pellets

US11541593B2: Extruder for a system for the additive manufacture of metal parts using the composite extrusion modeling (CEM) method

US11597118B2: Device and method for the extrusion of thermo-mechanically deformable materials in bulk form, and compact screw extruder

Gallery

Schematic of the extruder zones of a CEM printer from patent no. US11541593B2(Source: Aim 3D)

Schematic of sticks and filaments in 3D printing from patent no. US11541593B2(Source: Aim 3D)

Ultem component ventilation shaft from Alstom S.A. in cooperation with the company Replique(Source: Aim 3D)

Exam 510 series machine with Ultem 9085 part(Source: Aim 3D)

Aim 3D's patented CEM technology, characterized by a thermal separation of the housing and division into cooled and heated areas, enables high build rates and uniform extrusion. This technology is particularly effective in processing ULTEM 9085, a crucial material for the aerospace industry, ensuring high build rates and surface quality without material degradation.

Aim 3D’s industrial 3D printers, the Exam 255 and Exam 510, reflect these innovations. Designed for multi-material use, these printers can handle polymers, metals, and ceramics. The Exam 510, for instance, currently achieves a build rate of 150 cm³/h, with aims to increase this to 300-600 cm³/h, potentially processing 1,000 to 4,000 kg per year.

The company’s CEM printers offer a significant cost advantage over traditional FDM printers, as they can use standard pellets with or without fillers. Aim 3D has also developed the Voxelfill strategy to address the issue of inhomogeneous strengths in 3D printing, allowing for customized material properties and reduced material and weight use.

Clemens Lieberwirth, Aim 3D’s CTO, emphasized the versatility of the Voxelfill process for 3D printing various materials, including plastics, fiber-filled plastics, metals, and ceramics, enhancing mechanical properties through controlled fiber alignment.

Dr.-Ing. Vincent Morrison, CEO of Aim 3D, highlighted the importance of reproducibility in industrial production, achievable through their patented pellet extruder technology. He stated, “The granted patents reflect our impressive achievements in research and development. These patents secure our know-how for 3D pellet printers. At the same time, we are open to establishing licensing partnerships.”

Aim 3D is open to licensing its technology, inviting partnerships to expand the use of its patented innovations in the industry.

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