A redesign of the GUS Arm for easy external stringing

Re: A redesign of the GUS Arm for easy external stringing

Postby jwm » Thu Jan 19, 2017 6:20 am

My attempt to anneal my PLA arms for better strength did not go as planned... On the plus side, it is noticibly stronger, on the minus side, looks like this

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New arms printing. :)
jwm
 
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Re: A redesign of the GUS Arm for easy external stringing

Postby Jfriesen » Fri Feb 03, 2017 9:24 pm

I thought about annealing guess I'm glad I didn't try. But I haven't had any problems thus far with the strength of printed parts mostly.

Any updates on the build?
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Re: A redesign of the GUS Arm for easy external stringing

Postby ekaggrat » Tue Jan 02, 2018 2:25 am

ok getting bak to revising gus for the new arms.. i had built it according to the first arms and after a lot of head scratching realised that these arms are not compatible with 18mm aluminium drive spool and hence had a lot of string overlapping which was causing the the errors and it made it impossible to calibrate

so now i am reprinting the new arms.. is the repository upto date?
also the pulleys are now 604zz ? right? :?:

thanks
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Re: A redesign of the GUS Arm for easy external stringing

Postby ekaggrat » Sun Feb 11, 2018 2:37 am

i think this forum is dead / inactive for a long time.. but anyways this is my gus 2.5 in progress

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https://www.instagram.com/p/BfCVYqLnPBU/?taken-by=mectok
Attachments
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ekaggrat
 
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Re: A redesign of the GUS Arm for easy external stringing

Postby maso » Mon Feb 12, 2018 4:35 pm

I still think the GUS is one of the most fun-to-watch printer, and I've got a custom-cut aluminum bed waiting for me to undertake it some day.
So thanks for posting your progress, @ekaggrat!

How are you finding the accuracy of yours so far? It looks like the spiral vase is working well for you, but do you think you'd be able to, say, print a GUS arm with it?
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Re: A redesign of the GUS Arm for easy external stringing

Postby ekaggrat » Wed Feb 21, 2018 11:17 am

still struggling with getting the bed flat .. right now it is moving in a bowl shape. i can manage to print in the center. my 50 mm cube came out to be 48 x 48 x 50. approximately. still dialing in the calibration . i am in contact with jeff on youtube and he is helping me out a lot.. the print quality is as good as a delta but it is still not ready for prime time.

you can see a lot of my progress on the instagram.

https://www.instagram.com/mectok/
ekaggrat
 
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Re: A redesign of the GUS Arm for easy external stringing

Postby Jfriesen » Wed Mar 07, 2018 10:46 pm

Hello! I think one reason the forum has such low activity is new people have had trouble joining from my understanding. Anyways I try to check back on this thread from time to time but with n activity for so long I got lax.

ekaggrat, yes I use pulleys with 4mm bore. I do use 18mm aluminum spools you have to get the stringing just right to get good spooling without overlap. Did you get thosee owrking eventually?

I'll try to keep an eye out for questions/suggestions here :)
Jfriesen
 
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Re: A redesign of the GUS Arm for easy external stringing

Postby tommythorn » Mon May 14, 2018 5:17 pm

FWIW, I'm still following this project and think that all traffic, not least controller/software issues, are welcome.
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