Discov3ry Paste Extruder: Difference between revisions
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* Were experiencing a MINTEMP error. | * Were experiencing a MINTEMP error. | ||
** Manually adding M302 (enable cold extrusion) into the start gcode in CURA, | ** Manually adding M302 (enable cold extrusion) into the start gcode in CURA, | ||
** Commenting out / removing any M109 set temperature commands, and | |||
* [[http://forum.structur3d.io/t/um2-wiring-advice-gcode-modification-using-cura/303 here's another forum post]] with some other settings to | ** Plugging in an extruder thermocouple to read out _some_ temperature (as would otherwise encounter a MINTEMP error, code 0, preventing the print from starting). Had Asked the [[http://forum.structur3d.io/ structur3d.io forum]], received [[http://forum.structur3d.io/t/enabling-cold-extrusion-avoiding-mintemp-erroe/321 this reply]]... Need to update the forum with our methods to overcome the error. | ||
* Extrusion speed needs modification | |||
** [[http://forum.structur3d.io/t/um2-wiring-advice-gcode-modification-using-cura/303 here's another structur3d forum post]] with some other recommended settings for enabling cold extrusion, along with changing extrusion feed rates. | |||
** removed some extrusion step multipliers from the extrusion hardware, such that sending code "G1 F18000 E270" via pronterface would pretty much result in one full rotation of the large white gear underneath the extruder. | |||
** Need to determine how much volume that equates to coming out of the 50ml syringe, and adjust feed settings appropriately to extrude proper amounts. We were definitely experiencing some delay / leaky extrusion following a period of extrusion from the syringe, may be due to high pressures required to force viscous paste through the extruder, and /or perhaps bulging of the tubing with a step increase in pressure, which may cause more extrusion down the line. | |||
== Stuff to extrude == | == Stuff to extrude == | ||