Filament comes in a spool and is fed through the 3D printer’s extrusion system to create a three-dimensional object layer by layer. It is made up of different materials, such as thermoplastics, metals, and even wood. Filament diameter usually ranges from 1.75 to 3.00 mm. The most commonly used filament for 3D printing is PLA (polylactic acid). It is a biodegradable material that is derived from renewable resources.
Aside from PLA, other filaments used are ABS (acrylonitrile-butadiene-styrene), PET (polyethylene terephthalate), Nylon, TPU (thermoplastic polyurethane), and more. Each filament has unique properties, making it ideal for specific applications. For instance, ABS is known for its strength and durability, while TPU is flexible and ideal for creating objects that require flexibility, such as phone cases.
One of the critical properties of filaments is their melting point. The melting point determines the extrusion temperature required to melt the filament and create the object. Overheating the filament can result in deformation or clogging of the printer nozzle. Under-heating, on the other hand, can lead to poor quality prints with weak bonds between layers.
Another important factor is the filament’s adhesion to the print bed. The filament must stick to the print bed to avoid warping and curling of the object. Some filaments require a heated print bed to improve adhesion.
In conclusion, filaments are essential in 3D printing. Understanding the properties of filaments is vital for achieving efficient and high-quality prints. It is crucial to choose the right filament for each application to ensure optimal results. With the advancement of technology, more innovative filaments will be made available, expanding the possibilities of 3D printing.#16#