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Old December 16th 08, 12:46 PM posted to rec.radio.amateur.homebrew
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First recorded activity by RadioBanter: Apr 2007
Posts: 17
Default Cutting non ferrous metals with a table saw

Well blush let's not heap too much praise on my solution... someone else
told me that this was the best/safest way to go. I clamp everything down
before lowering the blade onto it.

One other trick I use to prevent a bunch of metal debris from flying around:
my miter saw came with a cheap little "sawdust collector bag" that only
catches about 50% of the debris. I remove that bag and attach my shop vac
hose to the outlet from the saw. This works great and results in very little
debris (I still wear safety glasses and work gloves, of course).
--
-larry
K8UT
"Ian White GM3SEK" wrote in message
...
Larry Gauthier (K8UT) wrote:
I bought a non-ferrous metal blade for my power miter saw - works great on
antenna aluminum projects - even built a special jig for cutting vertical
"slits" in aluminum tubing.


At last - someone using the right tool for the job! Circular saw blades
for non-ferrous metal cutting are specially designed to reduce the dangers
of jammed blades and flying metal.

As well as having many small teeth, the front cutting edge of each tooth
slopes slightly backward to avoid digging into the soft metal (known as
"negative rake"). Also the top profile of each tooth is designed to remove
the metal as small chips.

Even negative rake blades are not jam-proof, especially when cutting
through tubing. Half-way through the cut, it becomes very easy to hook a
tooth into the wall of the tube, and BANG - it jams. Larry is very right
to be using a jig to hold everything very firmly.


--

73 from Ian GM3SEK 'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.co.uk/g3sek



 
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