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Voxeljet Develops Continuous 3D Printing

One advantage offered by 3D printing is the system is fairly autonomous. Objects get built without requiring much in the way of supervision, only requiring materials refill and occasional cleaning. What additive manufacturing (AM) lacks is the ability to print in bulk. While some small objects can be printed in batches, often a 3D printer only creates a single object at a time.

Voxeljet has developed an inkjet 3D printer intended for continuous printing. The printer uses a conveyor belt to move objects as they are being printed. Objects that start in the build area eventually pop out the other side of the machine, ready for post-production work or packaging.

The innovative system design allows unprecedented performance to be achieved. While printing is carried out on one side of the system, unpacking can take place synchronously on the other. This is all done without operation being interrupted. It raises production, in particular patternless small batch production of moulds and models for metal casting, to a higher dimension of speed and cost-efficiency. –Dr. Ingo Ederer, CEO of Voxeljet

The research team at Voxeljet says the 3D printer will have a build envelope of 500 x 500 mm (19.69 in.), but the process also allows for nearly any length of object to be built. The company has designed this particular system for creating molds, but, assuming it all works out, I don’t see any reason other objects couldn’t be created using different printing processes.

According to Voxeljet, other advantages of the system include an increase in the amount of reusable printing materials and the all-in-one nature of the machine that eliminates the need for an unpacking area. The slightly tilted build area also allows the print head to move more quickly, speeding up build times. The resolution of the new printer is set at 600 dpi, with a layer thickness of 150 µm to 400 µm.

voxeljet

Design for Voxeljet's continuous 3D printer. Courtesy of Voxeljet.

The continuous 3D printer isn’t available yet, though.

“At the present time we are working flat out on refining the system for series production,” says Dr. Ederer. “Customers should be taking delivery of the first machines by the beginning of next year at the latest. The new machine concept is set to become a real highlight in our wide-ranging portfolio of standard and high-definition printers. With this system we now have a unique product range and can offer customers from a variety of industries the perfect solution for any application.”

Below you’ll find a video that explains the process.

Source: Voxeljet

About John Newman

John Newman is a freelance writer in Northeast Ohio.

One comment

  1. Our design is 5cm series of 6 horizontal hexagons .08 mm thick, connected 3 layers high to be printed as a continuous length extrusion up to the capability of the 3D printer using clear recycled PET resin. We also have other continuous designs and if your printer can do the above there should be no problem printing the other CAD designs as well. What is your current time timetable if you have this capability and estimated pricing range?

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