How To Make A Simple Induction Heater ~ FULL explanation & schematic

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Learn how to make a nice, and fairly simple Induction Heater that can be used to heat treat tools and much more. See the link below for the schematic. Enjoy!
This device will heat a screwdriver tip to glowing red in approximately 30 seconds. The coil design can also be modified to a pancake style just like what is used in modern electric induction cooktops. Follow ALL instructions in the video, and link below. Depending on how your unit is made, results may vary.
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Resonant Frequency Calculator is here:
www.deephaven.co.uk/lc.html
Use this tool here to calculate your working coil inductance value:
www.circuits.dk/calculator_sin...
12ga copper wire is 2.03mm.
*Watch PART 2 which shows a spiral coil and current measurements!*
• Induction Heater Follo...
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Опубликовано:

13 окт 2013

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Комментарии : 608

@electronicsNmore 10 лет назад

Try and keep the design UNDER 225khz to help avoid heating problems. Increasing input voltage speeds up heating, but also causes the capacitor and other components to heat up faster as well. If you can only locate a current limiting inductor(toroid) greater than 2mH, then pull off a few turns of wire to lower the value.

@electronicsNmore 10 лет назад

Glad you like it. Tell your friends, share the link, and subscribe. Thank You.

@electronicsNmore 10 лет назад

Don't forget to check out my extensive video list.

@actorzone856 7 лет назад

I love to be able to design electronics as these guys make it look too easy.

@antonyza 9 лет назад

En una oportunidad vi un inductor para derretir oro,lo hacia en menos de un minuto,no tenia idea como funcionaba,ahora con tu brillante explicacion estoy claro como funcionaba,muchas gracias.

@HMProjects 7 лет назад

Can I use npn transistors with this circuit? I have a few 2sc2526.

@rainmechanic 8 лет назад

Ive wandered onto the part of RU-vid with intelligent life... Greetings.

@electronicsNmore 10 лет назад

Yes. as I stated in the video. :-)

@jeffreydeutsch7336 7 лет назад

Well done.There is another variant of this circuit that uses no center tap. A lot of the Ebay ones are like that. It makes it a lot easier to swap coils, especially if you want to use litz wire for the coil and wind it around a frozen tie rod nut. I like your power supply. MOTs are getting to be like duct tape; they use them for everything from spot welders to power supplies.

@amigodaterra 10 лет назад

thanks for fantastic video.

@gregsbest 9 лет назад

Excellent project: perfectly explained and good steady camera shots.!!!

@larryoshields7582 10 лет назад

These things are great for getting a small metal shard out of your finger. I maintained a 400 amp unit in a machine shop. That thing was a hard worker, Had to use 2 $2800 vacuum tubes for the high frequency generator. Very good video! Thanks