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Thread: Wood bandsaw used to cut metal
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4th October 2005, 12:51 PM #1
Wood bandsaw used to cut metal
Dear all,
I came across an article in a welding book which the author stated that you could use a woodcutting bandsaw as a metal cutting saw. He claims that you buy a bi-metallic blade and then by a process of adding jack shafts (he lost me a bit here) you can slow the machine down to under 100 rpms. You then cut ferrous metal. Putting aside the strain on the bearings of a wood bandsaw, do you machine experts consider this viable? Has anyone successfully cut ferrous metals with their woodworking bandsaw?
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4th October 2005, 05:16 PM #2
With the right blade you should be able to cut anything. If you can get the speed down it should. I have worked two metal bandsaws, both are the type that you can drop down on your stock and use it like a cut off saw, and stand them up and use them lke a full bandsaw (pictured below). The wheels on these are steel and have no rubber bands on them. The shaving will mess up your bands on your wheels. I might try it if I had a cheap delta or other desktop, but I would not want to mess up my Grizzly bandsaw.
Could you use a hand held, air powered or electric shear
Here is what i bought for metal work. (us $169)
JunkBoy999
Terry
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4th October 2005, 08:46 PM #3GOLD MEMBER
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Jack shafts = pulley based speed reduction - the additional pulleys go on short (jack) extra shafts.
You can cut metal with a band saw - have seen several recommendations on this. Aluminum/aluminium can be cut at standard speeds, but you MUST use a lube on the blade - either a 'dry wax' (best) or kerosine. Steel may need slowing down, brass etc ??????. They all need a lube on the blade, regardless of what grade of teeth are alleged to be present. If you are worried about steel fragments, take a strong magnet in a plastic bag & tape it inside the door below the table - when you are finished, just turn the bag inside out & remove the magnet, discard shavings. If you can do that with Al or Brass......
I'd suggest asking Henry Bros. for some metal cutting blades, at least 2, so when you stuff one up, you can keep cutting instead of waiting for the postie.
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4th October 2005, 09:23 PM #4
Many years ago I used to cut salt blocks on a bandsaw, we used a very light machine oil as a lubricant and to stop rust. The saws had automatic feeds and also a blade welding attachment with a small grinder. Made by Starret.
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5th October 2005, 12:57 PM #5
Have used mine to cut a fair bit of Al at normal speed and a finer tooth blade
The units junkboy describes are available all over and not that expensive
A second hand power hacksaw could be another option.
But for my 2 cents worth
It would be too much mucking about If you only wan't to cut steel once in a while , to change speed etc plus cost of special blade
If you need to cut steel on a regular basis , i'de get a propper m/c for the job
The trouble with life is there's no background music.
Russell
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