Trumpf / Formnext 2018 Process reliability in 3D printing boosts efficiency
Trumpf will present automated 3D printing solutions at Formnext, focusing on its Truprint 5000 system.
Apart from Truprint 5000, visitors at Trumpf's booth will see demonstrations of how powder bed and melt pool monitoring enable quality inspection on the fly during printing – in line with the company’s goal of fully automated, 3D print-driven production to enhance mass additive manufacturing.
According to Trumpf, Truprint 5000, like all Truprint models, features Laser Metal Fusion (LMF) technology. This technology works on the multi-laser principle, with three lasers joining forces to melt the component's geometry in the powder bed. Being able to preheat up to 500°C, this system is said to be the first to process heat-resistant materials such as carbon steels, the company explains. This feature also improves the machining quality of materials such as titanium, as it reduces stress in the component and requires less reworking.
At Formnext, Trumpf will unveil a new automated method of handling lids for build and supply cylinders. Truprint 5000 features dual lids to maximise safety. One lid on the processing chamber conserves the inert gas atmosphere from one printing job to the next. The other one prevents powder loss during transport. A carriage that replaces the recoater's applicator spreads the powder coating in the build chamber during printing. An insert in the carriage keeps the lids in place during travel. Supply cylinders ascend independently and latch their lids into the processing chamber's ceiling, which places them beyond the laser's scanning range, where they remain until the process runs its course.
Automation also allows for more reliable 3D printing, as demonstrated by Truprint 5000's scanner monitoring and leveling system. It ensures that the three laser beams are properly aligned. Here, the recoater has a calibration target that measures the laser beams' positions and sends the coordinates to a software programme. The leveling monitor checks the substrate plate's position. It uses a camera and laser sensor system to gauge the height and orientation when setting up a job. For deviations, the operator adjusts the substrate plate to measuring system specifications.
Also on show will be quality assurance monitoring solutions with powder beds and melt pool monitoring.
Trumpf will be in Hall 3.0, Booth D50 at the trade show.