technology | 3D printing All-in-one prototyping from Stratasys
The J750 3D printer from Stratasys allows users to combine full colour gradients and different materials to produce multi-colour and multi-material proto- types in one run with no post-processing. The latest addition to the company’s Objet Connex multi-colour/multi-materi- al printer family, the J750 allows users to select from more than 360,000 colour shades and to handle materials ranging from rigid to flexible. It will enable designers and engineers to physically experience true product prototypes within hours of developing an initial concept, according to the company. The machine uses a new workflow
This training shoe was produced in one run on the J750 3D printer from Stratasys
production simulants such as Digital ABS at twice the speed of its previous PolyJet systems. “With its one-stop realism, the J750 is
management software called PolyJet Studio, which allows the user to select from the six on–board materials and to assign colours. It also features a new printhead allowing it to print Stratasys
The company says that key improvements required in 3D printing include increasing the speed and reducing the expense of parts produced. “The parts also generally lack sufficient detail to be used directly in an injection moulding tool without secondary machining and finishing,” it says. “Our main interest will continue to be technologies that offer the best part quality for reasonable prices. There are many new technologies coming on the market, and we will be evaluating all of them.”
German 3D printing company FIT last year an-
nounced an investment of €20m in a new additive manufacturing operation. The company says that the increased capacity is needed to meet rising demand for prototypes and serial parts for the automotive, aviation, aerospace and medical industries. It claims that the facility will be the world’s first set up for industrial-
Right: An additive
manufactured tooling insert designed by Innomia on the build platform of an EOS
DMLS machine
quite simply a game changer. By combining full colour with multiple materials and a streamlined workflow, it recalibrates the impact of 3D printing in the product development cycle,” says Josh Claman, Chief Business Officer, Stratasys. “The J750 is a multi-purpose system that can also produce production tools, manufacturing moulds, teaching aids, and other models - truly raising the bar in 3D printing versatility.” ❙
www.stratasys.com
scale, serial production using additive technologies. The up to 30 production lines, capable of processing plastic and metal, are due to begin operations during this year. “We are about to enter a new era of industrial produc- tion, and with our new factory we intend to make a major contribution to this trend,” says Alexander Oster, Fit Group CTO.
Czech Republic-based company Innomia has
supported and advised Magna, a supplier to automotive manufacturer Škoda, on development and manufacture of products, including both metal and plastic proto- types. In addition, the company is using DMLS (Direct Metal Laser Sintering) technology from EOS to optimise the production process for injection moulded parts, through prototype construction, the manufacture of inserts for injection moulds and casting tools, as well as tool repair. A recent project example involved optimisation of the
cooling process for manufacturing armrests between the front seats of a vehicle. The aim was to reduce the production cycle, improve component quality and extend maintenance intervals. Optimised removal of heat generated during the production process was seen as essential and integrated precision cooling channels were the preferred option. The diameter of the cooling channels required was just 3mm.
An EOSINT M 270 DMLS machine was used to
construct the channels in an injection moulding tool for the manufacture of the optimised core. As a result, temperature distribution and associated heat dissipa- tion were significantly improved. As the heat is distrib- uted and leaves both the tool and the component
18 INJECTION WORLD | May 2016
www.injectionworld.com
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