I was reading old posts and came across something to indicate that maybe the extruder doesn't work at very low speeds. (Sorry, reading through all the old posts lately, and I don't remember where I saw the comment) This is a bit of a concern for me - my table only moves at 2.5mm/sec right now. So what is the minimum/maximum axis translation for the current mk II extruder design? Including stretching for the max, max useful filament diameter for the min? I'd think there's some sort of minimum somewhere. A speed below which the extruder motor doesn't turn, and a filament size that either the extruder can't plow through to continue extruding, or that is to big to form useful parts for the darwin. https://reprap.org/forum/read.php?14,16264,16264#msg-16264 Wed, 22 Jul 2026 07:21:36 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?14,16264,16311#msg-16311 https://reprap.org/forum/read.php?14,16264,16311#msg-16311 nophead Mechanics Fri, 29 Aug 2008 14:39:17 -0400 https://reprap.org/forum/read.php?14,16264,16307#msg-16307 https://reprap.org/forum/read.php?14,16264,16307#msg-16307 degroof Mechanics Fri, 29 Aug 2008 13:38:07 -0400 https://reprap.org/forum/read.php?14,16264,16264#msg-16264 https://reprap.org/forum/read.php?14,16264,16264#msg-16264
This is a bit of a concern for me - my table only moves at 2.5mm/sec right now.

So what is the minimum/maximum axis translation for the current mk II extruder design? Including stretching for the max, max useful filament diameter for the min?

I'd think there's some sort of minimum somewhere. A speed below which the extruder motor doesn't turn, and a filament size that either the extruder can't plow through to continue extruding, or that is to big to form useful parts for the darwin.]]> jgilmore Mechanics Thu, 28 Aug 2008 13:48:38 -0400