I use I180, in fact the only choice when I bought it. I replaced every chinese bearings on my Geetech Prusa even the small ball bearings in the idler pulleys. So far so good. Only for my extruder did I keep two quality ball bearings that I took from old hard drive.by MKSA - Mechanics
I make my own using Igus filament. No play, no backlash, various style even autoalign ....and no lubrication of course. There is close to no load on a 3D printer. Even fixed a small milling machine; 6mm left handed and no tap, just used the lead screw and heat.by MKSA - Mechanics
QuoteDark Alchemist Quotethe_digital_dentist I have noticed that the 3D printing community as a whole exhibits a propensity for overly complicated solutions to 3D printing problems. Why use solid construction and a flat bed plate when you can throw a bunch of motors/drivers, screws, sensors, power supply, and software at the problem? There's no cost benefit analysis done to figure out whether iby MKSA - Mechanics
QuoteDark Alchemist Quotedc42 Three leadscrews driven independently plus a Z probe allows you to perform automatic bed levelling (and I really do mean bed levelling, not bed compensation). Three leadscrews driven neither by independently-driven motors nor by a single motor and belt drive gives twice as much to get out of sync as two leadscrews does.The thing is we are talking about the setup allby MKSA - Mechanics
Masking tape has the big advantage to capture any insect avoiding it to clog heatsink fins etc.... Not to mention the fun to make it. Cling film and scotch tape, hard to beat to test your nervous system.by MKSA - Mechanics
QuoteDark Alchemist Three motors for Z? OUCH. Which one does that? On Thingiverse, reinvented regularly for CoreXY, H bot ... machines. You can't tell it is wrong, they take it personallyby MKSA - Mechanics
Indeed, like many, I too had thought about this kind of leveling. (Done in fact in optic and antenna ). Fact is, considering the sizes we are dealing with, on a cartesian machine, I prefer to make the machine bed flat and rigid enough. Even with my Prusa, I managed to get good results and no autobed level at all. I don't have to bother about the type of material used, sensor quality, firmware eby MKSA - Mechanics
There is a simpler, cheaper way, just ONE stepper, one belt, one pulley per leadscrew. No coupling that introduces wobbling. This two steppers config is a DESIGN FLAW. Yet, people keep using it, poorly justifying it, keep reinventing unsatisfactory if not blatanly wrong ways to circumvent it etc.... Worse, others than the Prusa are afflicted by this, some even worsening it by using THREE motorsby MKSA - Mechanics
I have been looking for the same set up, used in plotters BTW. Igus bearings are indeed the way to go as the lateral rods have to guide and turn. Indeed Igus carbon tubes have all the qualities but the price. The cross can be made with only two rods, the offset of the print head should not be an issue. I tested my Igus bearings on my Geetech Prusa and am happy with them. I published them on Thinby MKSA - Mechanics