The included 200 g TPR filament sample is 2.85 mm in diameter and can be processed using a pre-assembled direct drive extruder.
TPR filament is very flexible and more elastic than TPU. It also makes printing very difficult. Most other 3D printers use TPR filament to their limit. In particular, the Bowden extruder had problems, and there would be constant filament plugging.
Print quality with TPR filament is as good as any other filament set up correctly. However, since it is so flexible and easy to accumulate, it tends to create more spots. But it is easy to remove from the plate after printing.
When I removed the first trial print from the plate, I was surprised to find that the finished product was as flexible as the original material on the spool. I'm not used to the high flexibility of the TPU, it gave me a lot of interesting object ideas.
Direct drive extruders are best for flexible filaments. That's why the Cambrian Pro has two interchangeable. For direct drive extruders, the extruder is located directly in front of the nozzle. Between the extruder and the nozzle is a TFN (Teflon/PTFE) thermal barrier.
Large temperature decouplers made of metal cannot be installed due to the short distance between the nozzle of the direct drive printhead and the extruder. Thanks to the special material of this insulating material, the Atomstack prevents the filament from melting before the nozzle, or in the worst case, in the extruder. Another advantage of this material is low friction, which further reduces the likelihood of filament clogging.
The only real disappointment with the Cambrian Pro is the built-in fan in the printhead. Of course, with a direct-drive extruder system, the fan needs to be as light as possible to avoid vibration, but the quality of the fan is different from the rest of the printer and definitely needs to be replaced sooner.
High wire compatibility Not only is the Cambrian Pro perfect for flexible filaments, it can of course also handle all other standard materials. PLA, ABS and other filaments like PETG* or wood wool* are no problem.
Due to the high requirements for extremely flexible wires such as TPR, the Cambrian Pro can easily process common wires such as PLA. Print quality is good and reliable.
The 2.85mm printhead will not work with non-flexible filaments. The gears are adjusted correctly for flexible filaments, but do not create good friction with hard filaments. There are some extruders that can adjust the contact pressure, but the Cambrian Pro's direct drive extruder is not one of them.
This means you have to print PLA, ABS, PETG and other rigid filaments with a 1.75mm printhead. But that's okay because 1.75mm is the standard for this type of filament. However, I think it's relatively rare to use this printhead because you buy the Cambrian Pro because it has good flexible filament printing capabilities.
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Laser engraving is a popular option that provides a permanent and legible marking on an object through etching, ablation, or deep laser engraving. It is similar to laser marking, but the resulting appearance differs due to the depth of laser penetration.
Laser engraving is commonly used to create permanent serial markings on substrates made of: Metal, Wood, Plastic, Leather.
Benefits Of Laser Engraving Over Traditional Processes
Compared to manual engraving:
Minimally Invasive: Laser engraving can be performed at a range of depths without any direct contact at all. Surface marks can even be done on stainless steel with no depth. Overall, lasers are less damaging than manual engraving and keep the substrate material’s physical integrity intact.
Precise: Lasers provide a level of control that’s impossible to achieve manually. Compared to hand-engraving, the process is swift, clean, and highly repeatable, with little room for human error.
Versatile: A single laser engraving machine can be used to create a host of different designs with only minimal calibration. They can also produce exceptionally complex patterns.
Affordable: On average, laser devices last longer than other engraving machines and require less maintenance, resulting in savings that can be passed along to the consumer.
Fast: Lasers can be programmed to render virtually any design in a matter of moments. Because the process is automated, it’s easy to scale production runs as needed according to demand.
Long-Lasting: Laser-engraved designs are permanent but can wear over time, depending on the substrate material that’s used. Soft metals, for example, may experience more signs of wear than hardwood. In general, however, laser-engraved designs tend to have a longer lifespan compared to other engraving methods.