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Revwarguy posted a new activity comment 3 years, 6 months ago
Looks great! The flexihand seems better controlled – is that due to a design improvement in the parts or just better tuning during installation?
PS I think we should chip in to buy you some switchplate covers so you can program your bot to install them 🙂
Revwarguy posted a new activity comment 3 years, 7 months ago
OK, it looks very much like a Tech Shop in the U.S. Relative to InMoov, I would have to say that the InMoov is the most printer intensive project I have done to date. Many of the longer 4-5 hour prints I let run overnight. I think these facilities have rules about unattended machines or not allowing overnight operations, so I can’t imagine…[Read more]
Revwarguy posted a new activity comment 3 years, 8 months ago
That looks great, Markus. I was wondering – how do you have your controls arranged to cause the 10 possible movments?
Very cool, Markus! How do you have the controls arranged? For instance, how do you distinguish between “turn right” and “go sideways to the right”?
Revwarguy posted a new activity comment 3 years, 9 months ago
Oh, is that all? :^) I’ll have to take a closer look at it as I would like to put an amplifier in there for the ear/speakers.
go to monnerby post on thingiverse and you will see he has a lot of things in his head design.
Very nice picture, oldfarmhand. It would be really great if you could post a video showing the difference in movement between the nominal and monnerby heads. Barring that, how would describe the difference?
more room in the head due to smaller servos, smoother eye movement,smoother mouth movement, more room to put speakers and microphones, less parts in the neck due to no gears, overall just a lot more room to add other items
The reason I am asking is if you think the springs that were introduced to keep the strings tight would still be needed ?
Good question. I don’t think that springs are necessary, but if you turn the wrist, the lines will be tightened. So you have to compensate for that by relaxing the tension on the lines a little,
Can’t really see why you want to modify the pully. Put your servo to middle position and add the pully with an offset to the closing position that will account for the different distances for opening and closing. The use the mapping feature of mrl to adjust the overall distance for your servo in use?
I posted an update to explain the probem.
This looks interesting – How would you describe the improvment to the hand’s movement?
To close one finger you need to pull 27mm but to open it again only 17mm, The 10mm in difference will result in that the lines easily fall out of the tracks, The servos will also have a deadband of 10mm before they start to pull, With this construction the lines will be stretched all the time, so the fingers will keep their position better.
Revwarguy‘s profile was updated 3 years, 9 months ago
Revwarguy‘s profile was updated 3 years, 10 months ago