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Cutting plastic with a band saw. mm 12-20-2006
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Posted by mm on December 20, 2006, 9:42 pm


What would be better for cutting 1/16 and 1/8 inch plastic (lucite)
with a band saw: a metal cutting blade which has 24 tpi, more than
one needs to do a smooth job, or a wood cutting blade with 6 tpi,
fewer than one needs I think to do a smooth job.

I don't know why, but I"m afraid the metal-cutting blade either won't
cut or will overheat and melt the plastic; and that the coars wood
blade with chip and crack the plastic.

I know I can just try this, but it's a pain to change blades, and I
wanted to ask you guys anyhow.

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Posted by dachief123 on December 21, 2006, 6:16 am


a fine tooth plywood blade works great
or buy a lucite cutting blade for the tablesaw

if you insist on the band saw.....the finer the teeth the better, the more
teeth the better.
so I guess from the blades you seem to have..........the metal 24 tpi works
best.
pull it apart after it melts together from the heat build up.



> What would be better for cutting 1/16 and 1/8 inch plastic (lucite)
> with a band saw: a metal cutting blade which has 24 tpi, more than
> one needs to do a smooth job, or a wood cutting blade with 6 tpi,
> fewer than one needs I think to do a smooth job.
>
> I don't know why, but I"m afraid the metal-cutting blade either won't
> cut or will overheat and melt the plastic; and that the coars wood
> blade with chip and crack the plastic.
>
> I know I can just try this, but it's a pain to change blades, and I
> wanted to ask you guys anyhow.



Posted by Frank on December 21, 2006, 7:53 am



mm wrote:
> What would be better for cutting 1/16 and 1/8 inch plastic (lucite)
> with a band saw: a metal cutting blade which has 24 tpi, more than
> one needs to do a smooth job, or a wood cutting blade with 6 tpi,
> fewer than one needs I think to do a smooth job.
>
> I don't know why, but I"m afraid the metal-cutting blade either won't
> cut or will overheat and melt the plastic; and that the coars wood
> blade with chip and crack the plastic.
>
> I know I can just try this, but it's a pain to change blades, and I
> wanted to ask you guys anyhow.

Check the Lucite fabrication guide here:
http://www.lucitecp.com/literature.asp
Has what you need to know.

Frank


Posted by mm on December 22, 2006, 11:24 am



>
>mm wrote:
>> What would be better for cutting 1/16 and 1/8 inch plastic (lucite)
>> with a band saw: a metal cutting blade which has 24 tpi, more than
>> one needs to do a smooth job, or a wood cutting blade with 6 tpi,
>> fewer than one needs I think to do a smooth job.
>>
>> I don't know why, but I"m afraid the metal-cutting blade either won't
>> cut or will overheat and melt the plastic; and that the coars wood
>> blade with chip and crack the plastic.
>>
>> I know I can just try this, but it's a pain to change blades, and I
>> wanted to ask you guys anyhow.
>
>Check the Lucite fabrication guide here:
>http://www.lucitecp.com/literature.asp
>Has what you need to know.

Thanks. And thanks to dachief, too.
>
>Frank


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