Re: [CAD_CAM_EDM_DRO] HP 7475A

Are you sure about the off base RS-232 connector?

It may be a HP-GPIB connector instead. Does it look like a shortened version
of the standard AMP 57 Centronics printer connector?

Hugh

----- Original Message -----
From: "eggpoodle" <eggpoodle@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, May 05, 2002 9:17 AM
Subject: [CAD_CAM_EDM_DRO] HP 7475A


> I am new to this group, and have interest in making a CNC for use in
> architectural model making and possibly wood work (canoes, curved
> things)
>
> I have access to about 9 Hewlett Packard 7475A pen plotters (11X17"
> capacity, 6 or so pens). Are these units useful for making a small
> machinge, perhaps using a dremel or similar for cutter?, or are the
> motors too light duty for the job?
>
> Also, any idea what a fair price is for them if working? (they are
> pre-1990, and use an off-base serial connector)
>
> I'll watch this thread, and can be directly emailed at hdesign@...
>
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