dylanholderman

welding machine to induction forge?

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ok well i did have a post about ready to go and then i hit the backspace key by acident so im going to do the short version lol

basicly i want to know if its worth a try to hook up a induction forge coil to a welding machine as a way of making a cheap/fast induction forge, and most importantly less complecated, lol i cant make heads or tails of most of the desines i have seen.

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If you have a DC stick welder then you just need to build the oscillator and tank. The tank is the easiest part. I have been investigating making a Royer oscillator. A Royer relies on differences in the transistors because no two transistors can be made and installed exactly the same.

Maybe

It is confusing stuff.

If you have an AC only machine then you are at the point of the step down transformer, and you will need to rectify to DC before going to the oscillator.

I think (Well, if it is going to work, you will have to rectify, can't change frequency on electricity without going DC, as far as I am aware at least)

I am thoroughly confused by this stuff after reading what I have found. There are designs out there that can be built cookbook, and they can also be built in small scale running at a couple of amps with off-the-shelf from Radio Shack transistors and parts (Well, not quite, the ferites are not available at Radio Shack). I am just at the point of considering building a version using a doorbell transformer as my step down transformer. I expect to be able to heat thin steel wire with 2A, so more of a "Gee Wiz" than useful.

I see the welder as simply a big step-down transformer in this application.

I think if done wrong it can kill too. Play safe.

Phil

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dablacksmith thanks i was afraid of that

phil thanks you just gave hope i will read up more and i will defenitly play safe lol we have warning poster everywhere about how ark-shock can kill you

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I think (Well, if it is going to work, you will have to rectify, can't change frequency on electricity without going DC, as far as I am aware at least)


VFD's (variable frequency drives) the sort we put on our belt grinders to control speed, take either single or three phase AC and and with some
fancy electronics, control the frequency and voltage of the AC to the motor and in turn, control the speed while maintaining torque, so I think you can :)

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VFD's (variable frequency drives) the sort we put on our belt grinders to control speed, take either single or three phase AC and and with some
fancy electronics, control the frequency and voltage of the AC to the motor and in turn, control the speed while maintaining torque, so I think you can :)


That's what I thought. One version of AC goes into the black box ("Fancy Electronics"), another version of AC comes out of the black box. :P

I am not an electricity or electric power expert, there might be a way. I just don't know how other than converting to DC then back to AC.

Phil

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That what makes it fun hey? B)

As to the OP, yes it is possible to use a inverter DC stick welder as the base to a induction forge, as Phil says
it is only part of what you need, you still need to do some fancy stuff to end up with a usable induction forge.

Here is a link to a project based on an inverter.
http://hildstrom.com...ndry/index.html

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Posted · Hidden by Moderator51, January 25, 2013 - Drivvel
Hidden by Moderator51, January 25, 2013 - Drivvel

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Posted · Hidden by Moderator51, January 25, 2013 - Endless drivvel
Hidden by Moderator51, January 25, 2013 - Endless drivvel

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Posted · Hidden by Moderator51, January 25, 2013 - drivvel unrelated to thread
Hidden by Moderator51, January 25, 2013 - drivvel unrelated to thread

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