Re: [CAD_CAM_EDM_DRO] CNC mill upgrade

Wayne,

You are right, it's bigger than the series I and has SEM motors with techos.
I was also thinking about using mach3 with it. Not sure which drive to use,
gecko or rutex. If Gecko then what should be the rating of the power supply.

Zafar

----- Original Message -----
From: Wayne Weedon <wayne@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, September 24, 2005 12:57 PM
Subject: Re: [CAD_CAM_EDM_DRO] CNC mill upgrade


> Zafar Salam wrote:
>
> >
> >I acquired an old Bridgeport Series II, Interact 2 machine last month. It
is controlled by Heidenhain TNC145 which is a 2.5D controller. All three
axes are driven by perm magnet dc servo motors, 3.2 NM stall torque, 145V,
pulse amps 32. The machine is in excellent working condition. Any
suggestions on the best way to upgrade it to full 3D control.
> >
> >
> >
> I've got a series 1 Mk1, bought it with a fire damged control. Yours is
> the later larger model with glassfibre covers?
>
> SEM motors? If so these have Heidenhain resolvers which are not quite
> a full encoder. I fitted a US Digital Encoder in place of these. Just
> left the tacho unconnected.
>
> Bosch Drives? I sold mine and replaced with Gecko 320's The lower
> voltage was ok for me. Rutex do a higher voltage step/dir drive.
>
> You could do something similar and use Mach3, or try to interface to the
> original drives with something like the Rutex stp/dir>analogue converter.
>
> Wayne....
>
> --
> --------------------------------------------------------------------------
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> Wayne M Weedon Email: wayne@...
> Fdos Design Poole UK
> Tel +44-1202-677025 Fax +44-1202-770515 Mobile: 07774 439915
>
> Specialists in small batch & Production Mechanical/Electrical Engineering
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