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Dr. Woo 1 year, 1 month ago.
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@pelgrim As you might remember I spend quite a bit of time improving filament comparison list on Roboxing by putting everything in a table, which then was hidden away behind a link (because it’s not looking as nice on a smartphone screen). After that I gave up, as my time is too precious. Feel free to add the above Tritan settings yourself.
I understand, no problem.
Roboxing is in my mind temporary, until there is a CEL solution that is better.
For filament it is the most centralised thing we have for the moment.java (EE), JavaFX, HTML, GIS) programmer, database wizard, framework inventor, looking for a job ! http://roboxing.com/wizards
I doubt that CEL will ever give us the filament profile sharing platform we are looking for. Their goal is to sell SmartReels, which is understandable, but too expensive for those of us who are using their Robox heavily. To give you an example: a 2.2 kg reel XT directly from ColorFabb is EUR 80 (EUR 36.36/kg), 750g XT on SmartReel is GBP 40/EUR 55.20 (EUR 73.60/kg).
Perhaps you should conceive and code a nice looking and easy-to-use database, which not only holds the best setting for each filament on Robox, but also allows feature comparison between the various filaments. Pictures of one or two standardized sample objects printed in various resolutions for further comparison. Videos of squeeze test on flexible filaments. A lot of work though…
… and no guarantee someone will ever use it …
java (EE), JavaFX, HTML, GIS) programmer, database wizard, framework inventor, looking for a job ! http://roboxing.com/wizards
Which makes me wonder how big the global Robox user base actually is… 5K? Based on the activity on this forum, that’s probably already a high estimate. Unless 95% of all Robox users are just happy with their plug and play printer and have no questions at all (which I seriously doubt, looking at the learning curve I have gone through).
You would be surprised, these are rapidly being adopted by schools since Kitronik became a reseller.
@luke Well, yes, the Robox is (finally) plug and play, but proper 3d modelling of printable objects just isn’t that intuitive (unless you stick to extruded name tags). That said, how many Roboxes can Kitronik sell? 500 units annually would be already a very high estimate IMO.
Don’t get me wrong: I love my Roboxes, it’s just that 3d printing really isn’t for everyone. There is a learning curve if you want to do more with it than just printing stuff from Thingiverse and MyMiniFactory, which quickly becomes boring and just doesn’t justify the investment.
@bhudson CEL’s Simon replied to the question on max. ambience temperature. Summary: No separate chamber heater due to patent restrictions. Heat from bed and head alone will hardly exceed 60°C. If higher temperature is needed, a hack could be to blow in hot air from e.g. a hair dryer. ABS parts in Robox can withstand 105°C before they will be affected, well above the reachable temperature from the bed heater. Most Robox parts can withstand much higher, e.g. bed molding material has a working temperature of 218°C.
@dr-woo I guess that takes care of your questions.
I operate two Betas and one Production Robox.
I am the US/Canada Technical Support engineer for the Robox.
See my 3D Hub site at https://www.3dhubs.com/phoenix/hubs/benThe ABS parts may withstand 105C but the eprom that is in the head assembly may not.. depends on the exact specification of the part. Consumer parts are generally specified to 70-75C, industrial parts to 85-105C, automotive parts to 125C & military parts to 155C & beyond this are the really expensive exotic technologies. Price goes up with the specification. CEL will know the temperature specification of the part.
Alternative idea to hair dryer is to double glaze, or a thermal blanket over, the printer so that heat loss is less. There is a lot of heat lost through the clear panels.
@john I have no intention to further raise the chamber temperature (although it would probably further reduce warping and improve layer bonding in general). I just figured out in my tests that Tritan requires at 115°C bed and 70°C ambient temperature, so it doesn’t pop off the (sanded) bed, which is why BHudson expressed concerns that Robox’s ABS frame might become soft.
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