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Posted by Dave99 on April 11, 2008, 7:35 pm
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I have to de-burr 3/4" aluminum square tubes that have literally
hundreds of holes. Even using Cogsdill bits takes a long time. I was
searching around and found some info on using nylon abrasive tools. I
noticed a few offered nylon abrasive tube brushes as "de-burring"
tools. I'm wondering if there's a way I could run one of those on a
long extension through the tubes. Has anybody ever tried these for
that? I actually started thinking about it while I was watching that
"How It's Made" show, and they were showing how these guys put a
brushed surface on stainless sinks. It looked like they were using
some sort of Nylon abrasive covered drum that spun while partially
submerged, and then the assembly line would run the sides of the sink
around the drum. I was thinking maybe I could also use something like
that to finish the outside of the tubes as well, since we use a
brushed surface on them now... but it's done by hand.
Thanks,
Dave
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Posted by Tom Gardner on April 11, 2008, 8:15 pm
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>I have to de-burr 3/4" aluminum square tubes that have literally
> hundreds of holes. Even using Cogsdill bits takes a long time. I was
> searching around and found some info on using nylon abrasive tools. I
> noticed a few offered nylon abrasive tube brushes as "de-burring"
> tools. I'm wondering if there's a way I could run one of those on a
> long extension through the tubes. Has anybody ever tried these for
> that? I actually started thinking about it while I was watching that
> "How It's Made" show, and they were showing how these guys put a
> brushed surface on stainless sinks. It looked like they were using
> some sort of Nylon abrasive covered drum that spun while partially
> submerged, and then the assembly line would run the sides of the sink
> around the drum. I was thinking maybe I could also use something like
> that to finish the outside of the tubes as well, since we use a
> brushed surface on them now... but it's done by hand.
>
> Thanks,
>
> Dave
What is the volume and speed you need? (How many and how fast?)
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Posted by John R. Carroll on April 11, 2008, 8:26 pm
Please log in for more thread options Dave99 wrote:
> I have to de-burr 3/4" aluminum square tubes that have literally
> hundreds of holes. Even using Cogsdill bits takes a long time. I was
> searching around and found some info on using nylon abrasive tools. I
> noticed a few offered nylon abrasive tube brushes as "de-burring"
> tools. I'm wondering if there's a way I could run one of those on a
> long extension through the tubes. Has anybody ever tried these for
> that? I actually started thinking about it while I was watching that
> "How It's Made" show, and they were showing how these guys put a
> brushed surface on stainless sinks. It looked like they were using
> some sort of Nylon abrasive covered drum that spun while partially
> submerged, and then the assembly line would run the sides of the sink
> around the drum. I was thinking maybe I could also use something like
> that to finish the outside of the tubes as well, since we use a
> brushed surface on them now... but it's done by hand.
>
> Thanks,
>
> Dave
Dave,
Orbitool has the best tool in the world for this exact situation. They were
designed for you problem and they are cheap and very effective.
http://www.jwdone.com/orbitool.html
--
John R. Carroll
www.machiningsolution.com
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Posted by Dave99 on April 12, 2008, 12:51 am
Please log in for more thread options Wow, it's a shame this list is really getting spammed these days.
Thanks John, that's an interesting tool. I'm not sure if it would work
at the lengths we're using... usually 4' or longer sections. Tom, we
do about 100 pieces per run, most of which are 4-4 1/2" feet long,
with an average quantity of 80 #27 and F size holes in each piece.
Right now we use a combination of Cogsdill fork bit and a hand tool,
which is murder. Anything faster than that would be an improvement.
That's why I was thinking that maybe there was a nylon abrasive brush
that could just be spun down the inside of the tube. It doesn't have
to be perfect on the inside, just basic de-burr.
Thanks,
Dave
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Posted by John R. Carroll on April 12, 2008, 6:37 am
Please log in for more thread options Dave99 wrote:
> Wow, it's a shame this list is really getting spammed these days.
> Thanks John, that's an interesting tool. I'm not sure if it would work
> at the lengths we're using... usually 4' or longer sections.
Do it from the outside on the machine. Orbitools can be used by hand of in
the spindle.
--
John R. Carroll
www.machiningsolution.com
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> hundreds of holes. Even using Cogsdill bits takes a long time. I was
> searching around and found some info on using nylon abrasive tools. I
> noticed a few offered nylon abrasive tube brushes as "de-burring"
> tools. I'm wondering if there's a way I could run one of those on a
> long extension through the tubes. Has anybody ever tried these for
> that? I actually started thinking about it while I was watching that
> "How It's Made" show, and they were showing how these guys put a
> brushed surface on stainless sinks. It looked like they were using
> some sort of Nylon abrasive covered drum that spun while partially
> submerged, and then the assembly line would run the sides of the sink
> around the drum. I was thinking maybe I could also use something like
> that to finish the outside of the tubes as well, since we use a
> brushed surface on them now... but it's done by hand.
>
> Thanks,
>
> Dave