Re: [CAD_CAM_EDM_DRO] Re: OT: Hi Freq. Centrifuge

Find a ham radio operator. Many, (like myself) have scopes to see up
to100MHZ.

JB (KD7KBL)
Bothell, WA


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----- Original Message -----
From: "Sven Peter" <peteryco@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, June 12, 2002 4:04 PM
Subject: Re: [CAD_CAM_EDM_DRO] Re: OT: Hi Freq. Centrifuge


> Thank you Lee,
> Today I found out that there are Osziloscopes around that will handle
> that frequency For anouthe Job I need to rent one anyhow.
> So as soon I have one in hand I will try your proposal.
>
> In one occasion a year ago I adjusted a variable spindle drive like you
> said.
> I put a magnet base in the spindle and held a wire coil close.
> With the first mill it went perfect.
> In the second one I didn't notice that it was in high gear.
> The base riped out of the thread and crashed against the wall.
> UFFFFF.......
>
> Lucky guy, here I am still
>
> Good luck
> Sven Peter
> studleylee wrote:
> >
> > Hi Sven,
> > I would guess that with the main coils at that power, you should be
> > able to make a loop with several turns and place the scope probe
> > across this small loop, then bring it physically close enough to the
> > main power coils to inductively pickup the main coils waveform.
> > Enough at least to measure the frequency. Any RF or HAM gurus here to
> > jump in
> > with ideas...
> > -Lee
> >
> > >
> > > 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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> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
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you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this as a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
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