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Re: single electrode induction coils
On Thu, 21 Dec 1995, Frank Varnell wrote:
> Happy holidays y'all! ( I'm practicing for my xmas trip to Houston <g.>)
>
> We use an induction coil for heating the trodes on single electrode pieces.
> However, It's a pain that the coil is closed so you have to "weld" it in
> when your connecting the tube to the manifold. This also limits you to
> one tube.
> Has anyone seen or built an "open" coil induction heater? What I envision
> is something similar to a clamp type current probe.
>
Yes, you can wrap your coil around U shaped ferrites. With this
arrangement the ferrites can be placed so that the electrode is in the
open part of the U. If you want a picture I will try to put one up.
Jacob