I plan on using a rather larger nema23 motor, so I'm not worried about power.by The Mechanic - Mechanics
Just like the title states, I'd like to have a discussion in regards to bed size limitations. For the printer I'm designing, the bed size is roughly 400 mm by either 400 or 600mm with the bed being a 6mm cast aluminum plate fixed directly to the cantilever. The lifting mechanism will be a 16mm ballscrew and either 20mm smooth rods or liner guides. Does this seem reasonable, or am I being a bit oby The Mechanic - Mechanics
Perhaps I'm missing something, but is there any practical reason that a digital dial indicator couldn't be mounted in line with the bowden tube right after or before the extruder. Most of said indicators output a signal that could be sent the controller to get a reasonably accurate idea of what the diameter is. After that input the length of the bowden tube and distance from indicator to extruderby The Mechanic - General
Any plans for an all metal version yet?by The Mechanic - General
That's a valid concern. I'm curious as to how much of a speed hit retraction would actually take. Using the Flex3drive as my baseline with a 40:1 reduction one would assume that retract speed and acc values could be doubled, possibly more. I guess I'll look around and see if any specific filaments are particularly difficult to work with on the flex3drive and go from there.by The Mechanic - General
How smooth is the Z-axis with only 1 screw?by The Mechanic - Prusa i3 and variants
What about one of the 50g Nema 14 motors with a worm gearbox? I guesstimate a 15 or 20 to 1 ratio would be sufficient and with .9deg steps and 4 to 8x micro stepping. A pair of delrin gears would make it low cost and maintenance. My only concern would be how to manage backlash for retraction. With an E3dV6, I doubt you'll get 100g but pretty close would be nice.by The Mechanic - General