How to solve the linear texture on the side of the print
By Steve Lowry 2018-10-05 1039 1
The most likely reason for this problem is that the filament quality is not good. If the filament tolerance is large, you will find this change in the outer wall of the printout.
For example, if your entire roll of consumables fluctuate by only 5% in diameter, the width of the plastic line extruded from the nozzle will change by 0.05mm. This extra amount of extrusion will cause the corresponding layer to be wider than the other layers and will eventually see a line on the outer wall of the print. To make a smooth surface, your printer needs a stable extrusion condition, which requires high quality consumables.
Most 3D printers use pins to adjust the temperature of the extruder. If the pins are not properly tuned, the extruder's temperature will fluctuate over time. Given the principle of pin control, this fluctuation will be repeated frequently, which means that the temperature will fluctuate like a sine wave.
When the temperature is too high, the plastic extrusion smoothness is different form that when it is colder. This can cause the printer to extrude layers that are different, causing texture on the outer surface of the print. A properly tuned printer should be able to control the temperature of the extruder between plus and minus 5 degrees.
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|How to solve cracking or breaking of layers during 3D printing|
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