3D Printer – Avoid Anger with the Material

Optimal printer results depend not only on the printer itself, but often on the printing material. We will tell you what to look for.

In many cases, 3D printing is the best form of production. Be it for prototypes or for medical applications . However, it is not always easy to find the right material. Many physical and mechanical parameters must be met. At the same time, material diversity is often confusing. But there is a remedy. 

Help in material tangle of 3D printing: In 3D printing is an enormous number of materials can be employed. The reason for this is that the upper term covers a number of different techniques. There would be FDM (Fused Deposition Modeling) – a technique in which different plastics are used. Or the Selective Laser Sintering (SLS), with which you can produce objects from ceramics or metal. If the materials are present as FDM fibers, which are rolled up, SLS uses powder as a starting material. The choice of the right consumable depends on the machine used.
same time there is within the printing techniques, different materials that can be processed. The plastic grades are different for FDM: ABS (acrylonitrile-butadiene-styrene), PLA (polylactide), PET (polyethylene terephthalate) or hips (high impact polystyrene). Other variants include wood panels – such as Laywood with about 40 percent of cherry wood powder, which creates a wood effect on the printed object. Hips, on the other hand, are only suitable for the auxiliary structures of 3D printing, not for the object itself. If the pressure is completed, the material can be detached without residue.

Remedy by the ” material Finder “: Faced with this choice, it is often not easy to find the right consumable. The company Additively provides help with the “Materialfinder”. This is a database that can be used online. It helps with the search for materials. They specify your requirements for the printing material – for example biodegradable or resistant to chemicals. The tool proposes the appropriate 3D print materials on the basis of the data.The database is free, but you must register before you can use it. At the time of research, 335 materials were collected from 40 manufacturers and 345 reference sources.

Once the right material is found:

Most 3D printers work with plastic as a printing material. The correct handling of the filament contributes significantly to ensuring that the finished article is successful and the material retains its quality.

Choosing the right thickness: It depends on your 3D printer model, may be the plastic wire as thick. Usually 1.75 and three millimeters in diameter. If the wire is too thick, do not get it through the nozzle. If it is too thin, it simply slips through the extruder, since it can not be gripped. Many 3D printers can deal with both material thicknesses. If not, you must replace the extruder before you fill the 3D printer with a roll of material in a different thickness.

Smooth material handling equipment: Power of 3D printers, despite the right filament thickness problems in material output, it may be with the plastic itself. Maybe you have not yet found the right material? In our experience, matte varieties with rather rough surfaces are easier to process. They are more handy, which facilitates transport to the nozzle. They also cause less abrasion in the transport screws. This allows them to be better controlled on their way to the extruder. The materials of the printer manufacturers are adapted to the respective model. This usually minimizes misprints. Contrary to the experiment with filament of different suppliers, nothing is objectionable in 3D printing.

Correct loading: Even loading of the filament to avoid errors. Mount the roller so that the material can run freely to the nozzle. Obstacles such as too tight curves or friction on the printer’s metal stand may damage the filament. Remove kinked filament and slant the end slanted into the pressure nozzle. This ensures that the material reaches the heating unit. At the same time, check that the material is running smoothly on the reel, because crossed yarns form knots during the course of the printing, which can break the material supply. The print fails.

Use temperature: Whether you provide the 3D printer with new material, equip him for the first time or want to unload the plastic thread, always the nozzle must be hot. In most cases, special menus on the 3D printers result from the loading and unloading process. A special case is a clogged nozzle. Again, heat the extruder to operating temperature. Unload the material as recommended by the equipment manufacturer. Then turn the 3D printer off and unplug it by pulling the plug. Using a strong wire, clean the interior of the nozzle as long as it is still hot. Then remove any plastic residues that have settled on the outside. If everything is clean, start charging. Again, it starts with the heating of the pressure nozzle. Then load the material, which should run through the nozzle without resistance.

 

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