Re: Hard decision....4 axis mill for $2500.

Maybe this address will help you some way ...
BERNEY PRECISION CH-1341 L ORIENT Tél. : 0041 21845 4802

regards

Paolo

>________________________________________________________________________
>________________________________________________________________________
>
>Message: 1
> Date: Sun, 29 Apr 2001 00:34:19 -0000
> From: dougrasmussen@...
>Subject: Hard decision....4 axis mill for $2500.
>
>Group,
>
>Here's a hard one for me to decide on. Maybe some of you know this
>machine type and controller.
>
>The machine is a Berney (Swiss?) T38-CNC horizontal mill with a 4th
>axis. The control is a Siemens Sinumerik. It's not clear if the
>control is an 800, 810 or 820, literature for all those controls is
>included. Delivery date of the machine was 1988.
>
>The machine appears to be very high precision (so clean you'd want to
>have it in the living room if you didn't have a wife). Travels look
>to be about a 6 to 8" cube. Optical scope over the up to 50,000 rpm
>spindle to observe the cutting.
>
>The seller has never fired it up, but assures me it was running when
>he bought it (and I trust him). It came out of a Siemens Medical
>facility where it was used with diamond blades, some as thin a few
>thousands to slice various material. Siemens replaced it with a 5
>axis machine.
>
>My main concerns are with the control, is it still supported by
>Siemens and how expensive to repair, if needed? The seller thinks
>it's a color graphic controller and the literature seems to confirm
>that.
>
>One downside is the machine's spindle. As it is there's no way to
>hold a shank type cutter. The end of the spindle is about 1/2"
>diameter with tapped hole in center, it tapers back for about 5/8" to
>nearly 3/4" diameter. A number of wheel arbors are included.
>Appears like some sort of standard grinding spindle taper. The
>spindle is a cartridge unit, so the machine may have been offered
>with different spindle types. With this spindle the machine could do
>precison form or cutter grinding.
>
>I know I could put the machine to work, I just don't have much time
>now for a project and am not particularly interested in retrofitting
>unless the controller was very full functioned similiar to what's
>there now. Retrofitting with an equivalent controller would involve
>more money than I'm willing to invest in this type machine.
>
>Thoughts?
>
>thanks,
>
>Doug
>

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