[TheForge] Re: Tumbler update

Sat Jul 27 11:51:01 2002

How about truck tire treads that you see along the hiways?
Rowland Smuck of Roseburg, OR
----- Original Message ----- 
From: "Jeff Harding" <[email protected]>
To: <[email protected]>
Sent: Friday, July 26, 2002 10:50 PM
Subject: Re: [TheForge] Re: Tumbler update


> The only tumbler I've ever worked with was lined with thick, corded,
> rubber, tire type material like tires.  No real noise there except the
> impact of large objects on the drum, and that was "very" muted
> 
>    jeff   ><>
> 
> 
> ----- Original Message -----
> From: "Mike Spencer" <[email protected]>
> To: <[email protected]>
> Sent: Friday, July 26, 2002 9:53 PM
> Subject: [TheForge] Re: Tumbler update
> 
> 
> >
> > > Yes, noisy isn't a strong enough word for it.
> >
> > Lunenburg Foundy, when they were still doing cast iron, had two
> > rectangular boxes of ca. 1/4" plate, about 3' square by 4' long and
> > geared up to flat belt drive.  Dogable hatch cover.  They put
> casting
> > in with bits and pieces of old casting and  2x4 offcuts.  Totally
> > deafening.
> >
> > How about lining your tumbler with used conveyor belt from a rock
> > crusher or readymix conveyor?  Ca. 1/4" to 1/2" thick, abrasion
> > resistant, fabric reinforced rubber.   The 1/2" is stiff enough that
> a
> > sleeve inserted from the end of a 50 gal. oil drum whould stay in
> > palce without glue or fasteners.
> >
> > - Mike
> >
> > ---
> > Michael Spencer                  Nova Scotia, Canada
> >
> > [email protected]
> > http://home.tallships.ca/mspencer/
> >
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