Example of a very long bridge...

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geneb
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Example of a very long bridge...

Post by geneb » Fri Feb 07, 2014 6:25 pm

http://www.youtube.com/watch?v=hQ1X-N6yio4

The part is a safety cover for a handle that pulls the hinge pins from the cargo door of a light aircraft.

The narrow bridge is 1", the wide one is 3".

The only problem was at the leading edge of the wide opening - I had too much of a radius along that edge.

g.
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DavidF
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Re: Example of a very long bridge...

Post by DavidF » Fri Feb 07, 2014 6:29 pm

ive been waiting to see this...Damn impressive!!! Now I want to try it...
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Eaglezsoar
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Re: Example of a very long bridge...

Post by Eaglezsoar » Fri Feb 07, 2014 6:53 pm

I didn't know you could do bridges that wide without support. I had to watch that one twice.

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geneb
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Re: Example of a very long bridge...

Post by geneb » Fri Feb 07, 2014 7:23 pm

Thanks. I used the current release of Slic3r on it. The squirrel cage fan & special duct makes it happen - no air hits the hot end to cool it.


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Captain Starfish
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Re: Example of a very long bridge...

Post by Captain Starfish » Fri Feb 07, 2014 9:15 pm

Wow, that's impressive!

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Re: Example of a very long bridge...

Post by Navkram » Sat Feb 08, 2014 9:43 am

great job, can you post slicer settings

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foshon
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Re: Example of a very long bridge...

Post by foshon » Sun Feb 09, 2014 5:07 pm

You'll need more then his settings, Gene "The mean printing machine" has that machine dialed in. Nice work Gene!
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Please do a board search before posting your question, many have been answered with very time consuming detail already.

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geneb
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Re: Example of a very long bridge...

Post by geneb » Mon Feb 10, 2014 10:06 am

I'll try to post the preamble section from the gcode file this week. There's nothing special about it, honest!

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Re: Example of a very long bridge...

Post by Orenfor » Tue Feb 11, 2014 12:48 pm

That is great bridge that you did, i think that the secret is in the blower, it blow so much air that as the pla got out from the nozzle it's almost immediately get cold and hard, so the bridge get so nice

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Re: Example of a very long bridge...

Post by geneb » Tue Feb 11, 2014 1:50 pm

Yep. Guanu @ SeeMeCNC designed the duct. Works fantastic and it doesn't impact the hot end temperature AT ALL.

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Re: Example of a very long bridge...

Post by foshon » Sun Feb 16, 2014 7:54 am

Does that fit the 30x10 sold on the SMCNC site?
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guanu
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Re: Example of a very long bridge...

Post by guanu » Sun Feb 16, 2014 4:03 pm

yup, the fan duct was made to use http://seemecnc.com/collections/parts-a ... blower-fan

I've been working on the design for the new platform coming out soon..

Guanu

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Re: Example of a very long bridge...

Post by foshon » Mon Feb 17, 2014 5:06 am

Will the platform include the fan shroud?
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