RE: [CAD_CAM_EDM_DRO] Automatic or easier tool changes for R8 mills ?

Thanks, Mike.

Does anyone know of the exact issue ? I used to subscribe to HSM...

Did the drawbar attach with threads or with a pull nipple ?

Kim

On Thu, 2003-11-06 at 13:52, Mike Gann wrote:
> We use the Royal system - it makes easy and fast tool changes. The tool
> holders are on the expensive side. I know there is also a locking screw you
> should tighten when making a heavy cut with a face mill or even a 5/8"
> endmill. That would slow down the change a little, however we just make
> prototype parts and never push it that hard anyway.
>
> Did you see the article is Home Shop Machinist magazine where Roland
> Friesand (sp?) made a "quick change" tool holder system using a lever and
> cam operated draw bar? I know it was in the last year, but I am not sure
> which issue. You might get some ideas from that.
>
> Hope that helps,
>
> Mike
> -----Original Message-----
> From: Kim Lux [mailto:lux@...]
> Sent: Thursday, November 06, 2003 12:23 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] Automatic or easier tool changes for R8 mills ?
>
> Hi people.
>
> We are getting tired of changing tools with the manual drawbar on our
> R8 equipped CNC'd mill. Does anyone have any experience/ideas with
> implementing a quick or automatic tool change with R8 collets ? The
> first step in the automatic change would be to come up with some sort
> of quick change collet system.
>
> I know of two: the air wrench powered drawbar looseners/tighteners and
> the the Royal system whereby the R8 collet is a holder for another
> collet system.
>
> I'm thinking something along the line of adding a pull nipple on top of
> the R8 collet and pulling it up with an air powered drawbar something
> like how the Cat40 system works.
>
> Failing to find something that works for the R8, our next mill will
> have a Cat something taper...
>
> Thanks.
--
Kim Lux <lux@...>