[sdiy] Need a bandsaw...

[KA4HJH]

>Frankly you could use a high speed steel bit in aluminum. The two issues
>are cooling, and stopping the aluminum chips from clogging the bit and
>snapping it.  In a professional mill, they might use some cooling fluid or
>oil.
>Normal router speed is way too high for the application as well...

Gosh, it seems like just yesterday the last time this came up. The rule of
thumb for aluminum is that the swarf should come off as a continuous
pigtail. That's when you've got the rate of feed just right. As for the
surface speed that's where my machining reference book come in handy...

>
>I'd try making a couple of small holes in each end and using a saber saw.
>
>(otoh I hate slide pots, and that is the #1 reason.  #2 is that they are
>hard to
>get standard replacement parts for... #3 is they collect dirt easily... #4
>is the
>really limited choice of knobs for them...  sorry there are not ten reasons
>to
>hate them... thats what BBDs are for :^)

Anyone tried some DIY-EDM yet? Of course a laser mill would be even more fun...

-- 

Terry Bowman, KA4HJH
"The Mac Doctor"