Re: [CAD_CAM_EDM_DRO] Re: Swiss turning conversion

Actually, i'm kind of "speculating in the dark" here 'cause I've never
actually SEEN one of thes Swiss machines.

Smoke

>Smoke,
>
>One of the major drawbacks of roller bearing setups is chips get
>pulled in under the rollers, plus they don't give full contact
>support. A solid support of the bar is important to getting the
>accuracies these machines are capable of.
>
>The "standard" of the Swiss turning business is still the fixed (non-
>rotating) carbide bushing. They look similiar to a collet except for
>the carbide pads. Some swiss machines use a rotating guide bushing
>(basically like the ID of a ball bearing), but those bushings are
>incredibly expensive. Of course for hex and other non-round shapes
>you would have to use a rotating bushing.
>
>When I first looked at swiss machines I thought there must be a
>better way than the fixed bushing. Apparently not, as yet no one has
>come up with a workable solution that's better.
>
>Doug