Hey Fraens!! I stumbled upon your channel while looking for DIY plans for a loom and your solution is brilliant, especially the Dobby mods. While I do understand using solenoids because you already had a previous system that used pins to push the correct shafts, what I don't understand is why you used them due to the heating issues. If you going the Arduino route, then you can use cheap(ish) servo motors, you know, the ones used in model RC planes. Not sure the Arduino you're using has enough PWM pins for the 8 shafts, but I'm betting an Uno could do the trick. And I'm also betting that the servos will not have the same heating issues. This would probably simplify your system quite a lot, since the servos would then be the ones pulling the shafts, not just nudging them to engage with the manual lever. In the case of using servos, the entire set of shafts and manual lever would be eliminated and the servos would pull on them via a more simplified pulley system. You would need to investigate what kind of servo you would need in order to have the strength to pull and maintain their position depending on the friction and weight of the shafts. Of course, I may be inserting foot in mouth and you already considered this and discarded the idea because of something I'm not seeing here. Just my 2c. Nonetheless, brilliant effort and a very commendable build. All the congratulations on that !!! Cheers, Gus
It is really fun to weave with it and the weaving patterns are set much faster than with the manual Dobby upgrade. Once you have a workflow figured out, switching from one pattern to another is done in a few minutes.
Hey Fraens!!
I stumbled upon your channel while looking for DIY plans for a loom and your solution is brilliant, especially the Dobby mods.
While I do understand using solenoids because you already had a previous system that used pins to push the correct shafts, what I don't understand is why you used them due to the heating issues.
If you going the Arduino route, then you can use cheap(ish) servo motors, you know, the ones used in model RC planes. Not sure the Arduino you're using has enough PWM pins for the 8 shafts, but I'm betting an Uno could do the trick. And I'm also betting that the servos will not have the same heating issues.
This would probably simplify your system quite a lot, since the servos would then be the ones pulling the shafts, not just nudging them to engage with the manual lever.
In the case of using servos, the entire set of shafts and manual lever would be eliminated and the servos would pull on them via a more simplified pulley system. You would need to investigate what kind of servo you would need in order to have the strength to pull and maintain their position depending on the friction and weight of the shafts.
Of course, I may be inserting foot in mouth and you already considered this and discarded the idea because of something I'm not seeing here.
Just my 2c.
Nonetheless, brilliant effort and a very commendable build. All the congratulations on that !!!
Cheers,
Gus
Awesome! I just finished printing everything and was building so it'll be exciting adding this
It is really fun to weave with it and the weaving patterns are set much faster than with the manual Dobby upgrade. Once you have a workflow figured out, switching from one pattern to another is done in a few minutes.
Brilliant! Automatic weft insertion next??
Maybe ;-)
Totally impressive.
beautiful, good job.
So impressive!
very cool!!!
AWESOME
🔝🔝🔝🔝🔝
😛