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UM2 Stepper Springt beim Materialwechsel zurück

veltru

By veltru
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samandiriel

samandiriel 0

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Posted · UM2 Stepper Springt beim Materialwechsel zurück

Bei mir hat ein deutliches erhöhen des Anpressdruck am Antrieb deutliche Verbesserung gebracht (kleine Inbusschraube am Schrittmotor). Irgendwo stand was von einer neuen Feder die seit Mitte 2014 verbaut wurde, so dass sich die Standarteinstellung von "ganz oben" auf "mitte" des kleinen weissen Anzeigedings geändert hat. Das hat aber wohl keiner den Werkern mitgeteilt...

Gut ist es aber besonders bei hohen Geschwindigkeiten immer noch nicht...

 

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    schlacks

    schlacks 0

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    Posted · UM2 Stepper Springt beim Materialwechsel zurück

    Die Erhöhung des Anpressdruckes der Rolle am Feeder dürfte hier bei diesem Problem eigentlich keinen Effekt zeigen, da es sich hier nicht um ein Durchrutschen des Filaments am Feederrad handelt, sondern das Feederrad selbst um einen gewissen Winkel zurück dreht. Das ist dann auch genau der Moment, wo kurzzeitig an der Düse kein Druck vom Filament anliegt und damit kurzzeitige Unterextrusion zur Folge hat.

     

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