Re: [CAD_CAM_EDM_DRO] OT: Hi Freq. Centrifuge

Sven,

1,3 MHz is right in our AM broadcast band.... a US am radio tuned to 1300
would roughly
identify the frequency.

For that reason I wonder if you are not a decimal place off? 13.56 (13,56?)
MHz is allotted
for industrial use here I think.

Or perhaps I am misunderstanding. 1.3 MHz is well within range of even
inexpensive scopes.

Let's continue any further discussion off list as this is OT.

Les

Leslie Watts
L M Watts Furniture
Tiger, Georgia USA
http://www.rabun.net/~leswatts/wattsfurniturewp.html
engineering page:
http://www.rabun.net/~leswatts/shop.html

----- Original Message -----
From: "Sven Peter" <peteryco@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, June 11, 2002 6:05 PM
Subject: [CAD_CAM_EDM_DRO] OT: Hi Freq. Centrifuge


> Hello Friends,
> This is OT but I hope somebody may help me.
> I have to repair a high frequency induction centrifuge for to cast
> chrome cobald dental parts. In 10 years I got these things Dentaurum
> Megapuls memorized already but I would not like to make all coils new
> again like 7 years ago.
>
> This time the hole electric system is working fine without trouble.....
> EXCEPT..... the heat comes up too slow and often the metal not even
> melts.
>
> Humidity here in Costa Rica is breaking everything. These units in
> Europe have no trouble at all.
>
> All electrical components are OK. I changed a few parts of the coils
> that seamed to be internally oxidized and things became better.
>
> But how to tune the frequency if there is nothing to measure it with?
> (4500 VDC, 4KW, supposed to bee 1,3 MHz (that is beyound every
> Osciloscope's capacity I have ever seen.))
> I would appreciate every help off line.
> Thanks
> Sven Peter
>
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