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Band saw question
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<blockquote data-quote="Broken Again" data-source="post: 1189076" data-attributes="member: 17015"><p>Metal cutting blades will depend on what you are cutting.</p><p>For example, cutting .5 inch alum I would want at least 6 Teeth Per Inch. But 1 inch alum I would go with 4 TPI. Booth at about 3500 feet per minute.</p><p>Important point here is that you keep at least 3 teeth in the metal. Most metal cutting blades are "raker" blades, that is one tooth right, one center, one left(and one center again etc). If you do not have 3 teeth engaged you will be breaking down the side of each rake.</p><p></p><p></p><p>In carbon steel (same thickness) I would be using a 14 TPI or so blade at about 160 FPM.</p><p></p><p>If you are cutting steel tube, I'd go with 18 TPI because of the thinner wall.</p></blockquote><p></p>
[QUOTE="Broken Again, post: 1189076, member: 17015"] Metal cutting blades will depend on what you are cutting. For example, cutting .5 inch alum I would want at least 6 Teeth Per Inch. But 1 inch alum I would go with 4 TPI. Booth at about 3500 feet per minute. Important point here is that you keep at least 3 teeth in the metal. Most metal cutting blades are "raker" blades, that is one tooth right, one center, one left(and one center again etc). If you do not have 3 teeth engaged you will be breaking down the side of each rake. In carbon steel (same thickness) I would be using a 14 TPI or so blade at about 160 FPM. If you are cutting steel tube, I'd go with 18 TPI because of the thinner wall. [/QUOTE]
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