[TheForge] Home-made grinders and wire brushes

[aaron craig]

Might shake like crazy even if the (GE Silicone Seal RTV?Shoe Goo?) is in close to the hub

--- On Thu, 6/23/11, Bruce Freeman <freemab222 at gmail.com> wrote:

From: Bruce Freeman <freemab222 at gmail.com>
Subject: Re: [TheForge] Home-made grinders and wire brushes
To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
Date: Thursday, June 23, 2011, 5:54 PM

Right, that's why I'm wondering whether a partially "potted" wire
wheel would make sense.  To whit:  Take a wire wheel, say, 6" in
diameter.  The hub, etc., accounts for 1" to 1.5", perhaps, so you've
got "working" wire length of maybe 1.75"-2".  But no one ever uses a
wheel down to the hub.  If you wear off 1" of radius, that's a lot.

So suppose you coax some sort of liquid rubber (GE Silicone Seal RTV?
Shoe Goo?) into the mass of wires from the hub out to a radius of
maybe 3.5", but no further.  This leaves free wires extending 1.5"
beyond the rubber.  Rooted in rubber, the wires would tend to flex
across a longer length (I hypothesize) than without the rubber, and,
hence, would be less likely to break off.  Clearly, the nature of the
rubber matters a lot for this to work -- the hardness, the fatigue
resistance, the adhesion between rubber and wires, etc.

On Thu, Jun 23, 2011 at 1:50 PM, peter fels <artgawk at thegrid.net> wrote:
>
> On Jun 23, 2011, at 7:42 AM, Bruce Freeman wrote:
>
>> There are wire wheels "potted" (thoroughly impregnated) with rubber.
>> I've seen these but never tried them.  In principal, they should be
>> less likely to throw wires, and slightly less likely to snag the work.
>>
>> I'm wondering whether it might make sense to impregnate at least the
>> inner part of the wires in rubber like this to relieve to some extent
>> the stress they're under at the base, thus subjecting them to less
>> fatigue (from bending back and forth at the base) and, hence,
>> breakage.  Any thoughts?
>>
>
>
> Seems right Bruce..certainly would be safer, cut more aggressively
> and last longer.
> The drawback i see is that one usually uses a wire wheel to get penetration into
> depressed features in a surface and potted wires won't penetrate very deeply.
>
> ______________________________________________________________
> TheForge mailing list
> Home: http://mailman.qth.net/mailman/listinfo/theforge
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:TheForge at mailman.qth.net
>
> TheForge mail list group photo site is
> http://www.photoworks.com
> Login: blacksmithblacksmith at hotmail.com
> Password: anvil
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>



-- 
Bruce
NJ
______________________________________________________________
TheForge mailing list
Home: http://mailman.qth.net/mailman/listinfo/theforge
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:TheForge at mailman.qth.net

TheForge mail list group photo site is
http://www.photoworks.com
Login: blacksmithblacksmith at hotmail.com
Password: anvil

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html