How about more info on the "Flat printer"
https://plus.google.com/u/0/10420990184 ... 5806192943
Parts, Drawings?
Nicholas Seward wrote:The FlatPrinter/PackBot/etc has the potential to be my next build. I am actively trying to model an improved version. I made a lot of new design decisions that I just can not get to elegantly work together at this point. I am about to give up on elegant and just remodel it however I can with all the new design features and see if looking at it will help.
Who knows when this will mature so I encourage anyone to take the concept and run.
Nicholas Seward wrote:I am also working on a CorEXY. It will be a CoreXY style bot with a static E motor that drives a round belts that will drive a pusher on the effector.
Nicholas Seward wrote:I am also working on a RepRap Tuga style printer that uses a table top for linear motion instead of rails. If I can pull it off, it can be driven like a standard Cartesian bot while having no rails.
Nicholas Seward wrote:My wife is expecting in December so I have been spending more time designing stuff for the nursery at this point.
If you have a Bowden extruder and a pretty lightweight hotend and such you're probably right. With a driect drive extruder, you'll have many situations where the platform and model are lighter than the extruder and can therefore accelerate faster, unless you have a heated bed, in which case it's more likely to be equal weight.Cozmicray wrote:Is it a good design to have all the movement by the extruder
with a fixed produces part.
Moving the table with the part onboard seems not to be to good.
It also depends on what you are printing and how bit you're printing it more than the specific method of vertical movement. If vertical stability is the priority, then move the x-y carriage. If speed is the priority, move the platform, it would be much lighter than the rest x-y carriage unless you're printing solid plastic that takes up a lot of the build volume.Cozmicray wrote:Is lifting (Z axis) a heavy X-Y moving platform a good idea
or
does the weight of the lifted X-Y system enhance the system.
I suppose it depends on lift system?
Cozmicray wrote:Nick's jack lift system seems to be a very good scheme
or
Would a straight screw lift be simpler / better.
Cozmicray wrote:Is it a good design to have all the movement by the extruder
with a fixed produces part.
Moving the table with the part onboard seems not to be to good.
Cozmicray wrote:Is lifting (Z axis) a heavy X-Y moving platform a good idea
or
does the weight of the lifted X-Y system enhance the system.
Cozmicray wrote:I suppose it depends on lift system?
Nick's jack lift system seems to be a very good scheme
or
Would a straight screw lift be simpler / better.
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