The upper cooling fans on Materium can be flipped. By default it blows inward.
If you flip it outward, the cooling fins will have higher temperature when working.
This is bad for normal printing because the pellets will enter compression already softened, and risk backflow. but good for high-flow (big nozzle 1-1.5mm or filament making mode) or high-speed (above 100mm/s) printing as it preheats the pellets more, and lowers the torque required.
Never remove the fans as the feed zone will have same temeprature with nozzle and it will make a pool of molten pellets.
DIAGNOSE
Ugly Prints
This may be the single holy grail of pellet extrusion. ugly prints are caused by 70% retraction, 10% pellet chemistry,
DIAGNOSE
Stringing and Oozing
Both issues are caused by one thing : Retraction see : Tuning retraction
DIAGNOSE
Extrusion Issues (Clogs, Blocks, Jams)
two kinds of extrusion issues : 1. no extrusion (at the start, after a while) 2. underextrusion (contamination, plate-out, obstruction)
Uncategorized
Maximum Print Speed
maximum print speed depends on two things, not just flowrate. in filament, they can push max flowrate that equals with
MATERIALS
Formulating Polymers : Beyond Single-Material Plastics
This page answers: What is actually being added What categories of additives exist What changes when you add them What
FOUNDATION
PLA+, ABS+, PETG+: Marketing vs Material
This page answers: What does the “+” mean in the market Why “+” is not a standard Why two PLA+