Re: [Emc-users] VFD Recomendation

2021-09-25 Thread Chris Albertson
My favorite stupid export story was a made-in-China computer that could not be exported back to China. We actually had one of these at work. But I think those days are long gone. Most of these stories are from the 1980s On Sat, Sep 25, 2021 at 5:26 PM Stuart Stevenson wrote: > I had to sign

Re: [Emc-users] VFD Recomendation

2021-09-25 Thread Gregg Eshelman via Emc-users
There are reasons for such restrictions. Don't want a repeat of the Toshiba-Kongsberg scandal, especially not with anything sourced from the USA.https://en.wikipedia.org/wiki/Toshiba%E2%80%93Kongsberg_scandal Between 1974 and 1985 the Soviet union obtained machine tools from France, West Germany

Re: [Emc-users] VFD Recomendation

2021-09-25 Thread Stuart Stevenson
I had to sign DOD papers to be able to import a Fanuc 15MB control. It is a submarine control. 28 axis capable. (What I was told). (not really sure what the truth is). If the company moves the machine to another address or sells the machine the DOD is to be notified. On Sat, Sep 25, 2021 at 10:

Re: [Emc-users] VFD Recomendation

2021-09-25 Thread Gene Heskett
On Saturday 25 September 2021 09:50:31 John Figie wrote: > Actually the US export regulation is 600 hz. I worked in servo drive > development. > Thanks for the update John. In a roundabout way, that does seem to indicate that what Todd needs is going to be American made, accompanied by scary per

Re: [Emc-users] VFD Recomendation

2021-09-25 Thread John Figie
Actually the US export regulation is 600 hz. I worked in servo drive development. On Sat, Sep 25, 2021, 8:35 AM Gene Heskett wrote: > On Saturday 25 September 2021 07:53:08 Stuart Stevenson wrote: > > > No idea if the following is true but the source was knowledgeable. > > > > years ago I was to

Re: [Emc-users] VFD Recomendation

2021-09-25 Thread Gene Heskett
On Saturday 25 September 2021 07:53:08 Stuart Stevenson wrote: > No idea if the following is true but the source was knowledgeable. > > years ago I was told 400 hz was as fast as a control could supply per > a government regulation limiting VFDs so plebes could not build fast > enough centrifuges

Re: [Emc-users] VFD Recomendation

2021-09-25 Thread Stuart Stevenson
: (330)828-2105ext. 2031 > > > > -Original Message- > > From: Gene Heskett > > Sent: Friday, September 24, 2021 11:26 AM > > To: emc-users@lists.sourceforge.net > > Subject: Re: [Emc-users] VFD Recomendation > > > > [EXTERNAL EMAIL] Be sure

Re: [Emc-users] VFD Recomendation

2021-09-24 Thread Gene Heskett
e that puppy away either. > > I tend to run the cheaper stuff, only having a 254 volt center tapped > at ground single phase feed at my location. > > > Todd Zuercher > > P. Graham Dunn Inc. > > 630 Henry Street > > Dalton, Ohio 44618 > > Phone: (330)828-21

Re: [Emc-users] VFD Recomendation

2021-09-24 Thread Thaddeus Waldner
ercher > P. Graham Dunn Inc. > 630 Henry Street > Dalton, Ohio 44618 > Phone: (330)828-2105ext. 2031 > > -Original Message- > From: Gene Heskett > Sent: Friday, September 24, 2021 11:26 AM > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users]

Re: [Emc-users] VFD Recomendation

2021-09-24 Thread Todd Zuercher
-2105ext. 2031 -Original Message- From: Gene Heskett Sent: Friday, September 24, 2021 11:26 AM To: emc-users@lists.sourceforge.net Subject: Re: [Emc-users] VFD Recomendation [EXTERNAL EMAIL] Be sure links are safe. On Friday 24 September 2021 10:47:49 Todd Zuercher wrote: >

Re: [Emc-users] VFD Recomendation

2021-09-24 Thread Gene Heskett
y, September 24, 2021 10:27 AM > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] VFD Recomendation > > [EXTERNAL EMAIL] Be sure links are safe. > > On Friday 24 September 2021 09:37:32 Todd Zuercher wrote: > > Anyone have a recommendation for a good VFD and supplier

Re: [Emc-users] VFD Recomendation

2021-09-24 Thread Todd Zuercher
@lists.sourceforge.net Subject: Re: [Emc-users] VFD Recomendation [EXTERNAL EMAIL] Be sure links are safe. On Friday 24 September 2021 09:37:32 Todd Zuercher wrote: > Anyone have a recommendation for a good VFD and supplier that can run > a 15kw 4pole spindle at 24000rpm? Thats going to be a tough one Tod

Re: [Emc-users] VFD Recomendation

2021-09-24 Thread Gene Heskett
On Friday 24 September 2021 09:37:32 Todd Zuercher wrote: > Anyone have a recommendation for a good VFD and supplier that can run > a 15kw 4pole spindle at 24000rpm? Thats going to be a tough one Todd, its 10x the power of anything I have, and would need to get to 800 hz to run a 4 pole at 24k r

[Emc-users] VFD Recomendation

2021-09-24 Thread Todd Zuercher
Anyone have a recommendation for a good VFD and supplier that can run a 15kw 4pole spindle at 24000rpm? Todd Zuercher P. Graham Dunn Inc. 630 Henry Street Dalton, Ohio 44618 Phone: (330)828-2105ext. 2031 ___ Emc-