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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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roughing mill
I see these things called "roughing mills" that look sort of like a tap. I
assume they're end mills that are optimized for removing a lot of material fast, rather than getting a good finish. Am I right? And if so, what are the particulars - like, how much of a cut can they take, and how long before they get dull? How much better are they than a regular end mill? The thing that prompts the question is that I have some 5"x5"x3/4" steel (10L12, I think) blocks that I want to take a 4"x4" notch out of the middle of, to make a "C" shape. I was going to use a bandsaw, but I don't have access to it any longer; all I have is a small mill/drill and a (manual) hacksaw. I could chain-drill and use the hacksaw, and then finish with a mill; but I was wondering how else the problem might be approached, and got to thinking about what it would take to just take it all out with a mill. Thanks! |
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