Re: [CAD_CAM_EDM_DRO] Bridgeport Milling Machines

Norman Larson wrote:

> Going to an auction where there are supposedly a few
> Bridgeport milling machines. Thought somone had
> mentioned on this list that there was a place on the
> web where one could date a mill by the serial number.
> I'd be interested in this information.
>
> Trying to convice myself that I'm just going to look
> around since my knowledge level isn't high enough to
> keep from making a bad mistake. Are there certain
> models of Bridgeport mills that are desireable to have
> to convert to CNC?

Some older BOSS CNC machines are cheaper than the equivalent
manual machine. Then, you only need to replace the obsolete
control.

> Are there any models that would be
> a disaster to own if one wants to convert the mill to
> CNC?

Yes, the hydraulic tracer mills are more trouble, as they have
hydraulic cylinders instead of leadscrew. on the other hand,
they may go so cheap that it eases the pain.

Jon