Maintaining and Troubleshooting Your 3D Printer by Charles Bell

Author:Charles Bell
Language: eng
Format: epub, pdf
Publisher: Apress, Berkeley, CA

Quality

The most common issue concerns the quality of the filament. Poor-quality filament can vary in diameter. Some variation is normal, but in this case we are talking about variances of more than a few tenths of a millimeter. This can cause the extruder to extrude too much or too little filament during printing. This manifests in a number of ways, including globs of filament deposited in corners or small curved parts of the object, as well as poor layer adhesion. In extreme cases it can also cause extrusion failures.

Another issue with poor-quality filament is the possibility of weak areas or portions of the filament that are hollow—or worse, portions that have contaminants embedded in the filament. Contaminants, in particular, can block the nozzle, resulting in extrusion failure.

Clearly, the best way to avoid these problems is to use a higher quality of filament. I have found the filament sold by major online retailers such as Maker Shed (makershed.com), MakerBot (makerbot.com), and IC3D (ic3dprinters.com) sell filament of very high quality. I have switched to using their filaments exclusively. I have had only one small issue with a roll of colored filament that was not tinted correctly near the end of the spool. The filament was still usable, only it did not have any tint for the last 20 feet or so.

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