Re: [CAD_CAM_EDM_DRO] Bridgeport Series 1-5

Jon,
It gets even better, because the series 1 also came with a "rigid" ram or the standard "V" ram.

Jon Elson wrote:

> Wally6800@... wrote:
>
> > Some of this group have expressed an interest in the bigger
> > Bridgeports Series 1- 5.
>
> I think you must be getting BOSS models confused with
> machine models. BOSS controls came in BOSS-3 to Boss-7, I
> believe. The Bridgeport machines came in Series-I (based on
> the standard manual Bridgeport we all know well) and the Series-II,
> which is a 25-50% scaled up machine. BOSS controls can be
> connected to either size machine.
>
> Just to make it more confusing, the Series-I bases came with
> 1J and 2J heads, the 1J having 8 speeds (4 by belt changes, and
> the backgear). The 2J has the variable-speed belt drive.
>
> The Series-II has the 4J head, with variable speed. Some multi-spindle
> models of Series-II were equipped with several 1J or 2J heads.
>
> The BOSS 3 used steppers with a resolution of .002".
> The BOSS 4 and 5 used steppers with a resolution of .001"
> The BOSS 6 and 7 used servo motor drive, with a resolution of .0005"
>
> (I think I have this right, but I get confused, too.)
>
> Jon
>
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