Re: age old question

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "cnc_4_me" <cnc4me@g...>
wrote:

>
> > thats what I was told the numbers on the side of the servo at

work

> > ment.....I dont really know for sure if somebody would tell me
> > different I wouldnt be upset.....I just know how to run
> em.....trying
> > to learn how to work on them now....Thanks
> >
>
> As far as i know, that number on the lable is the peak or stall
> torque...It can only be used like 3% of the time or so...The
> continues torque is at least 5 times less...
>
> 20 lb-in / 5 = 4 lb-in
> 4 lb-in = 64 0z-in continues torque.
>
> As a operator of this machine...How do you feel its power

capability

> is...Can you take the big cuts you want...And do you know your

pulley

> ratio from the servo to the ballscrew...
>
> Is this a bridgport with a factory servo or a bridgeport someone

did

> a retrofit on...
>
>
> Wally
>

Well I run 1 inch roughers on it depending on what type of steel I am
running as to the depth I take.....lastnite I cut a circle in a part
that was 1.5 inches thick used a 5/8 rougher but ran it at 1
ipm.....I beleive the ratio is 2:1 and it is a accurite retro
instaulled by accurite, The company owned the mills (we have 3) and
bought the retros later

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "a57chevytruckguy"
> <a57chevytruckguy@y...> wrote:
> >
> > thats what I was told the numbers on the side of the servo at

work

> > ment.....I dont really know for sure if somebody would tell me
> > different I wouldnt be upset.....I just know how to run
> em.....trying
> > to learn how to work on them now....Thanks
> >
> > -- In CAD_CAM_EDM_DRO@yahoogroups.com, "cnc_4_me" <cnc4me@g...>
> wrote:
> > >
> > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "a57chevytruckguy"
> > > <a57chevytruckguy@y...> wrote:
> > > >
> > > >
> > > > I am looking for 20 lb/in continuous I am retro-ing a
> bridgeport.
> > >
> > >
> > > Were did you come up with these torque specs...
> > >
> > > Wally
> > >
> > >
> > > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson

<elson@p...>

> > > wrote:
> > > > > a57chevytruckguy wrote:
> > > > >
> > > > > >The size I am looking for is around 20in/lb or close
> > > > > >
> > > > > >
> > > > > Now, is that peak or continuous? I have a line on some

small

> > > > motors
> > > > > that can
> > > > > deliver 357 Oz-In peak, or 22 Lb-In, and 71.5 Oz-in
> continuous,
> > > or
> > > > 4.5
> > > > > Lb-In.
> > > > >
> > > > > Would those work?
> > > > >
> > > > > Jon
> > > >
> > > > I am looking for 20lb/in continuous I am retro-ing a

bridgeport