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#1
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| How can I cut Brass? I have some projects in mind that I want to make out of brass. Can it be cut on a tablesaw like aluminum? If so what kind of blade and lubrication would be the best? Bandsaw? Chopsaw? Hacksaw? ![]() If I was to mill out the shape on my CNC Router, what kind of milling cutters will work? Speeds, feeds, lubrication? I know that this is kind of general but I've never really worked it before. Thanks, Chris |
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#2
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| You can cut non-ferious metal with your table saw. This means Aluminum, brass etc. Just use a carbide blade with about 60-80 teeth. Raise the blade all the way up so you are only cutting with the front of the blade and move slow. You don't need lubrication. You can use a bandsaw, but it should be a metal cutting bandsaw because a wood cutting bandsaw moves to fast for a standard steel blade in the metal. I would not use a chopsaw. Not because it could not work with a carbide blade, but because of the angle the blade will hit the metal. A chopsaw will be coming down with the full diameter of the blade hitting the metal. You want to limit the amount of teeth cutting the metal. This is why I raise the blade all the way up on a table saw. Milling with a standard high speed mill or a carbide mill is fine. I have not used high RPM on metal because I use my milling machine for metal, and I have it set for 1800 RPM. I use a little spray of lub like WD-40 and it cuts great! If you plan to use a router for cutting brass then you will need to get info from someone else.
__________________ Thanks Jeff Davis (HomeCNC) http://www.homecnc.info (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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#3
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| Thanks Jeff, I'll just put a piece on the tablesaw and try it. I have cut alot of aluminum on it without a problem. I find that with alum you get a better cut if you use a lube stick to prevent buildup on the blade. I'm using a standard 60 tooth carbide finishing blade. Someday, maybe soon, I will spend the $60 for a metal cutting blade. As far as my bandsaw goes I can slow it down to 700 rpm or 5400 fpm. Do you think that is too fast? My router is a Porter Cable trim router and goes at 30,000 rpm. I do have a speed control for it. I also have 1/4" and 1/8", 2 and 4 flute milling cutters. Part of my problem is I don't have that much material to make scrap out of. But, here goes. Chris |
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#4
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| I was just looking closer at the numbers on my bandsaw and they are in fpm. So the slowest I can go is 700 fpm. C |
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