Re: [CAD_CAM_EDM_DRO] Re: Bridgeport Mill by Adcock and Shipley

This is good advice from John. I believe it is a re-post of a previous post
is it not? Anyhow it is good, and ought to be repeated from time to time.

Tom Eldredge

----- Original Message -----
From: <machines@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, July 04, 2001 4:32 PM
Subject: [CAD_CAM_EDM_DRO] Re: Bridgeport Mill by Adcock and Shipley


> --- In CAD_CAM_EDM_DRO@y..., u980162@y... wrote:
> > I have a Bridgeport Milling machine of Adcock - Shipley. I am
> > planning to convert into CNC

John said:
> If this is the standard manual machine then don't convert it. It's
> not a viable proposition.
> At the moment you have a manual mill worth around 2 to $3000 at a
> guess. To convert it you need ballscrews, pressure oiling, motors,
> drivers, power supply and a controller of sorts. Add to this the lash
> up you will finish up with converting the Z axis and you will have
> spent another $2000 to $4000 depending on how lucky you are sourcing
> parts. This will then give you an investment of between $4000 and
> $7000. Your actual machine worth though will have depreciated down to
> less than $1000 as it's a one off weird special.
> There are a few people on this list who have attacked this problem
> from the opposite end. If nessesary for funds or room, sell the
> manual machine, there is a ready market and buy a Boss 1 or 2 with a
> dead controller. They are out there and they are less than $1000.
> You will then have ballscrews, pressure oiling, motors, possibly
> drive cards and a decent Z axis drive. In other words you are 75
> percent there.
> Sorry to be a wet blanket but it's all down to cost.
>
> John Stevenson.
>
>
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