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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
Webmaster:
    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:

AirplanesAndRockets.com

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Induction Furnace Designed with RF Cafe Formulas

John C. Nordt Induction Furnace Design with Help of RF Cafe Formulas - RF CafeEngineering Technician Tom D. from the John C. Nordt company sent me an e-mail saying that he used some of the formulas he found here on RF Cafe to help him design inductors for a custom induction heating vacuum furnace used for melting precious metals used in their manufacturing processes. He needed to either replace existing equipment with very expensive commercial equipment or build one of his own design. It was a first-pass success. Of course the real credit goes to Tom for having the skill and inventiveness for tackling such a challenge. The company was founded in 1872 by a German immigrant after whom it is named. John C. Nordt still operates today as a family business with a highly skilled engineering and production crew. The video I have linked is a worthwhile watch if you appreciate metals forging, casting, milling, and finishing, as well as a bit of American history. The vault used to store gold, silver, and other highly valuable metals is impressive. I wonder if the employees have to pass through a metal detector going in and out of the production area? A mere chip of lathe scrap could fund a large pizza and 2-liter soda.

Induction Furnace Designed with RF Cafe Formulas - RF Cafe



Posted  April 2013
 
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