[TheForge] cutting stainless (a little OT)

[Andy Gladish]

Thanks!
I bet it's a speed issue, I had the sawzall speed backed way off for  
cutting a36, probably way too fast still for stainless.
Blades get eaten quickest on that, then portaband (which was running on  
faster speed setting), horizontal saw seems ok and wouldn't you know it?  
is the slowest of the bunch.

Andy G.

On Fri, 10 Jul 2009 11:58:46 -0700, ries <ries at riesniemi.com> wrote:

> how fast you going?
> Slower is probably better.
> tooth spacing?
> 3 teeth in the metal is the optimum- obviously, thats not always
> practical, but for 1/8" to about 3/4" thick material, I find the 10-14
> variable pitch lennox blades work pretty well. Thinner than 1/8", you
> need a finer blade, up past 1" or so, a coarser one.
> Are you freehand cutting, or using a horizontal band saw?
> freehand will eat saw blades the fastest, as its much easier to jam it
> in and break a tooth.
> With bi-metal blades, once one tooth goes, the rest start ripping out
> in short order.
> I find the Lennox blades last a month or so of cutting stainless, not
> all day, but a lot of cuts.
> 304 will not vary much in hardness, from annealed to fully hard, so
> its probably not a hardness/temper issue.
> I use cool tool for a lube, just cause it works on most everything- I
> use it for drilling, milling, turning, sawing, and sometimes even
> tapping, and it is relatively non-toxic.
> But cutting oil of most any type should help.
>
> ries
>
>
> On Jul 10, 2009, at 11:14 AM, Andy Gladish wrote:
>
> Yikes!
> This stainless bar is eating my saw blades!
> I only use Lenox bi metal, assumed that it would be tough enough...any
> suggestions?
>
> Thanks!
> Andy G.
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> Ries Niemi
> Industrial Artist
> http://www.riesniemi.com/
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-- 
Andy Gladish, Metal Work
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