![]() The thermoplastic being used becomes thick and viscous. If a material is being printed at too low a temperature, it does not melt evenly. The most common cause of under extrusion is printing at temperatures that are either too high or too low for your material. In this article we’re going to examine some of the common causes of under extrusion, and give you a quick fix for each. Nonetheless, in many cases, you can solve the problem in short order simply by knowing what to look for. There can be various reasons why under extrusion is occurring, which can make it a somewhat thorny issue to deal with. Under extrusion occurs when your printer is unable to supply the correct amount of material needed to correctly print a layer. My print turned out spongy… These are the effects of under extrusion Every 3D printer’ users worst nightmare, waking up to this after an overnight print. There are missing print layers, thin printed layers, or even layers that have gaps and holes. The object you’ve been printing may look like it’s been exposed to an erosive or corrosive process. Sometime later, you come back to see how the job is progressing only to find that something has obviously gone wrong. You leave the room thinking all is right with the world. There appears to be adequate adhesion to the print bed and everything seems to be layering just as planned. ![]() Everything starts smoothly and looks good. ![]() Has this ever happened to you? You set up a print job to run.
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