Rostock MAX v2 User's Guide
As you can see, both of these are part of the currently selected material profile. Each material
class has a general temperature range for the hot end. For example, ABS extrusion temperatures can
range from 195 to 240C. PLA likes anywhere from 180 to 215. The specific temperature that your
material works best at varies by manufacturer and chemical blend. It's not unusual to see different
“sweet spot” temperatures among identical colors of material, even with the same manufacturer.
The Bed Temperature parameter typically has a lot less of a range than the extrusion
temperature does. A good rule of thumb here is 55-60C for PLA and 80-100C for ABS.
Retraction covers how the slicer “retracts” the filament during travel operations where it's not
actually laying down plastic. Good retraction
settings help keep your part free of little strings
and blobs during printing.
Length on Move specifies how much
filament will be backed out of the hot end during
a non-printing move.
Length on Tool Change is specific to
multi-extruder systems. If the slicer is changing
to a new extruder, it will retract the material out
of the current hot end by this much. This works
in conjunction with wipe towers and wipe
shields.
Speed dictates how fast the extruder drive
will pull the filament out of the hot end. Higher
speeds can assist in preventing already-melted plastic from oozing or leaving strings on the part being
printed. It also controls how fast the filament will be returned to the hot end when the non-printing
move has completed.
Z-Lift is used to lift the nozzle off of the part as each retract finishes. This can help prevent
blobbing.
Extra Length on Restart is used to extrude some extra filament after resuming from a retract
operation.
Minimum Travel Requiring Retraction is used to prevent retractions during very short moves
when retraction isn't really necessary. When executing a non-printing move, the nozzle will have to
travel at least this distance in order to trigger a retraction action.
9 – Advanced MatterControl: Settings – Filament - 82
Configuring retraction settings.
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