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Manufacturing Technology Insights | Tuesday, December 12, 2023
In 3D printer filaments, moisture is absorbed, causing problems when they get hot. Steam is created when moisture turns into filament, disrupting filament flow and deteriorating quality. You need to dry the filament and store it in a dryer to get the best results.
Fremont, CA: layer separation or delamination is when your 3D printed layers don't stick together properly, resulting in visible gaps and cracks. Poor layer adhesion, using wet filament, and incorrect slicer settings are all contributing factors to this issue. You can fix this issue despite the best 3D printers.
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Configure the Cooling System Right
A printer's cooling fan can be adjusted in the 3D slicer to prevent warping at the edges when layers cool at different rates. It's best to set the Enable Print Cooling box to a low value for PETG, PLA, and ABS with overhangs and complex support and PETG with shallow cooling settings.
Increase the Flow Rate
In a 3D printer, the filament gets deposited at a particular rate. If you don't adjust the flow rate, you'll get under extrusion, visible gaps, and weak design structures. You'll get under extrusion, gaps, and weak design structures if you don't..
Nozzles Need To Be Cleaned Properly
When filament residue builds up in the printer nozzle, it limits flow and causes layers to overlap. Clean it up with a sharp needle or wire brush if it happens. If stubborn debris is present, try the cold pull method by cutting a filament, heating the nozzle to the filament's temperature, inserting the filament, applying pressure, cooling, removing the filament, looking for black spots, and repeating until it's clean.
Use Dry Filament
In 3D printer filaments, moisture is absorbed, causing problems when they get hot. Steam is created when moisture turns into filament, disrupting filament flow and deteriorating its quality. You need to dry the filament and store it in a dryer to get the best results.
Make the Layer Height Lower
In 3D printing, layer height plays a significant role in balancing quality and speed. Smooth surfaces take longer to print at 0.2mm, whereas rougher surfaces take less time with higher values. Excessive layer heights can cause separation.
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