Hey sheepdog43,
i'll probably get some swinging because of the inevitable little offbalance of the weights and build not so rigid (the belt alone gets a little bit of swing), will post a pics/vid with the mod. will find a way to dampen it. thinking of something like a roller that will tension the belt, and dissipates energy for dampening, more to come...
regarding the headcrashes, already had a few while testing, the carriages resisted quite well. probably because of their flexibility, the forces are being better spread / redistributed on the 4 bearing, hence better use of the material. But yeah i'm not happy with these, it was a fishy idea late at night and me wanting to have the carriages printed as fast as possible.
will update them after understanding how to calibrate things nicely (the movement on a fixed Z are dome like, and the dome center is slightly offset from the build center).
speaking of which, it's a bit of a headache to choose the right marlin branch / variant. I'm using RichCatell's version. looks like it provisions for more adjustments than other versions.
also, until now i have only ventured in the configuration.h ... now, i need to get a better understanding of the code. I made a quickref of the files found in the different versions of marlin (made it public, open for mod), to help me out figuring what's where. if it drags interest, i can setup something so that we get an opportunity to make a real specification doc.
the link: [docs.google.com]
i'll probably get some swinging because of the inevitable little offbalance of the weights and build not so rigid (the belt alone gets a little bit of swing), will post a pics/vid with the mod. will find a way to dampen it. thinking of something like a roller that will tension the belt, and dissipates energy for dampening, more to come...
regarding the headcrashes, already had a few while testing, the carriages resisted quite well. probably because of their flexibility, the forces are being better spread / redistributed on the 4 bearing, hence better use of the material. But yeah i'm not happy with these, it was a fishy idea late at night and me wanting to have the carriages printed as fast as possible.
will update them after understanding how to calibrate things nicely (the movement on a fixed Z are dome like, and the dome center is slightly offset from the build center).
speaking of which, it's a bit of a headache to choose the right marlin branch / variant. I'm using RichCatell's version. looks like it provisions for more adjustments than other versions.
also, until now i have only ventured in the configuration.h ... now, i need to get a better understanding of the code. I made a quickref of the files found in the different versions of marlin (made it public, open for mod), to help me out figuring what's where. if it drags interest, i can setup something so that we get an opportunity to make a real specification doc.
the link: [docs.google.com]