Re: [CAD_CAM_EDM_DRO] Re: VSD QUESTION

John-
If the router has brushes then that should work to cut the speed to about
1/2. If you go that way try to get a transformer with taps for voltages a
bit above and below nominal. That way you have a range to work with.
Bob

----- Original Message -----
From: "john_glynn57" <john_glynn57@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, January 15, 2006 9:59 AM
Subject: [CAD_CAM_EDM_DRO] Re: VSD QUESTION


> THANKS FOR THE ADVICE BOB. THE ROUTER MOTOR THAT I AM USING IS A
> MAKITA SINGLE PHASE AC MOTOR WIRED FOR 230V AC. DO YOU THINK THAT I
> WOULD GET THE APPROXIMATELY THE CORRECT RESULT IF I USED A STANDARD
> 230-110 STEPDOWN TRANSFORMER THAT I CAN READILY PICKUP CHEAPLY.
>
> JOHN
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bob Muse" <mtebob1@s...>
> wrote:
> >
> > Hi John
> >
> > If your router has brushes, it is most likely a "universal
> motor". This
> > may be operated on AC or DC. One easy way to control the speed is
> just by
> > controlling the input voltage with a variac. There may be other
> controllers
> > designed to do this job also--but the three phase VFD is not a
> good choice.
> >
> > Bob
> >
> > ----- Original Message -----
> > From: "john_glynn57" <john_glynn57@y...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Saturday, January 14, 2006 2:54 PM
> > Subject: [CAD_CAM_EDM_DRO] VSD QUESTION
> >
> > > I WANT TO USE A TOSHIBA VSD TO CONTROL THE SPEED ON A SINGLE
> PHASE
> > > ROUTER MOTOR. THE VSD IS RATED AT 1.5KW BUT HAS A 3 PHASE OUTPUT
> AND I
> > >
> >
>
>
>
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
[Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be 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.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>