![]() The constraint of the Hemera Extruder gives positive impacts when printing materials that are rigid such as Nylon and PLA, as there is little space for the filament to move unnecessarily. Retraction performance tests and others have been conducted to prove itself and has passed these tests without issues (no stringing or oozing), showing it gets the job done when it matters. The tests have been done by E3D and they have come out flawlessly. This allows people to print flexible materials such as TPU, using PLA settings, a speed of 50mm/s at 0.2mm layers and a 0.4mm nozzle. It benefits your prints by decreasing the amount of filament under a compressed environment, resulting in a more responsive extrusion system. The Hemera does this by decreasing the gap between the drive wheels and the melting area. The best way for your filament to feed through the nozzle is through an extrusion system which is efficient and leaves little room for error. The fewer parts in an extruder, the better for the user in terms of putting it together, so this was one of the aims for the Hemera extruder, and it looks like they’ve achieved their goal brilliantly. It has various custom parts which not only give it a lovely, sleek look, but gives a convenient mounting slot and other features. The Hemera was put together in a way that gives it a simple, yet high performing, compact design which works consistently with most FDM 3D printers. Compact & Seamless Systemĭue to the all-metal, stainless steel design, the size of the gears could be reduced, enabling the system to be more compact without sacrificing on performance. This results in a low-maintenance system and increase prevention of filament getting stuck in an oily extrusion system. It’s not necessary to lubricate the gearbox of the Hemera due to the hardened, stainless steel design. Similar to the Titan extruder, it has a self-cleaning characteristic as any loose remains slip off the extruder’s smoothed teeth. The individually CNC cut teeth on the drive gear, along with the rounded bottom profile supplies the solid grip, and resistance of filament remains jamming into the drive gears. This works so well because the user can adjust the filament tension through its secondary gear shaft, being on a movable, sprung idler. To gain a massive grip boost and filament force of up to 10kg, E3D used a hardened stainless steel dual-drive. ![]()
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