Thursday, September 13, 2007


Refurbishing the Mk 1 Extruder (again)

I haven't run the Mk 1 in over a month and before that I'd run it pretty much 24x7 for several months. When I started testing the new xy_move routine I noticed that it was having a bit of trouble keeping a steady extrusion rate and seemed to require a much higher operating temperature than before.

It sounded like time to schedule a maintenance workup. Usually, rising demand for power in the Mk 1 indicates that the nichrome heating coil has begun to separate from the barrel. Oddly, though, this time the coil was tightly bound to the barrel.

(Read the full story)

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