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6" diameter aluminum


 

I have some 6" diameter scrap pistons I need to cut down. The cuts
don't have to be pretty, I just need to hack the pistons up into
chunks small enough for me to fit into my crucible so I can't melt
them.

Even though the saw is listed as having a limit of 4" on round stock,
I was wondering if anybody in the group has a work around. Maybe I
can even get partial cuts without modifying the saw's pivot point? I
was hoping to buy the saw tonight after work...

Thanks for any advice!


 

Sledge hammer?

On Tue, 2003-08-26 at 15:21, dean_schmidt wrote:
I have some 6" diameter scrap pistons I need to cut down. The cuts
don't have to be pretty, I just need to hack the pistons up into
chunks small enough for me to fit into my crucible so I can't melt
them.

Even though the saw is listed as having a limit of 4" on round stock,
I was wondering if anybody in the group has a work around. Maybe I
can even get partial cuts without modifying the saw's pivot point? I
was hoping to buy the saw tonight after work...

Thanks for any advice!


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--- In 4x6bandsaw@..., Ed Beers <sreeb@b...> wrote:
Sledge hammer?
Actually other people have had success using a sledge hammer. By
heating the pistons in a fire to the point just before they start to
melt, then striking it with a sledge, the aluminum crumbles.
Unfortunately I couldn't get away with that in my neighbourhood.

Without heating the pistons up, a really heavy sledge might break the
piston skirt off but that's all. These pistons are from a semi-
tractor engine; they are built to last half a million miles or more.

As luck would have it I couldn't make it to the store in time after
work today. My bandsaw will just have to wait another day or so for
me :) Even if I can't use it to chop up pistons, it'll find a lot
use around my place.

Regards,
Dean.