About 3D Printer Extruder
3D printing is an exciting technology that really makes people feel like they are living in the future; this is a technology that can allow you to 'print' a plastic toy or part for a car within a few hours. The 3D printer extruder is the essential piece of equipment that makes this kind of manufacturing possible. As the name indicates, the extruder is the point through which the plastic filament used to make three-dimensional printed objects is extruded into the desired shape. These printers work by using thin, wire-like strips of plastic that are heated to increase malleability and then fed through the extruder, which receives information from a computer in order to form the extruded plastic into the desired shape. You can think of the extruder as being analogous to the part of a laser ink printer that moves back and forth, laying out letters, numbers, and images on the page. There is a vast inventory of 3D printer extruders on eBay, including full extruder assemblies with wires or individual parts such as the extruder nozzle.