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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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Decimal to Drill Size Conversion - now with RPM calculation
Hi all -
Thanks to more feedback from a couple of newsgroup regulars we updated the decimal to fraction converter yet again to make the display a bit more intuitive and useful in the shop. In addition to showing the next larger fractional, letter/number and metric size drill bits corresponding to a decimal value input, plus the next two larger and smaller drills - and the clearance, it now also displays target RPM for a particular drill size, It defaults to 60 SFPM (a good start for mild steel) and you can tweak the value depending on the material being cut or drilled. The executable is compressed in "Fractions.zip" and downloadable from http://www.carlafongphotography.com/utilities/ Shareware, so if it is helpful to you, send us a couple of bucks. Eventually I should upload it to the dropbox, but as long as I'm updating occasionally it seems best to keep it on my site. Still Windows only... additional comments appreciated. Help yourselves! Carla If you were a normal human sitting at home having a beer and watching national politics peripherally, as normal people do until they focus on an election, chances are pretty good you came to see the two major parties not as the Dems versus the Reps, or the blue versus the red, but as the Nuts versus the Creeps. The Nuts were for high spending and taxing and the expansion of government no matter what. The Creeps were hypocrites who talked one thing and did another, who went along on the spending spree while lecturing on fiscal solvency. ~ Peggy Noonan |
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