RE: [CAD_CAM_EDM_DRO] collets

Thanks; that's great as I'll be near MSC in Dallas Friday.

Lew

-----Original Message-----
From: Rich D. [mailto:cmsteam@...]
Sent: Wednesday, November 07, 2001 11:11 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] collets

Lew,
MSC sells an emergency collet p/n 09744251 R8-1/16" hole import for $9.47.
It can bored or stepped as needed.
www.mscdirect.com
RichD

LEW BEST wrote:

>
> Thanks Rich; a neighbor (retired engineer) suggested this but so far I've
> only found 5c's of this type and the internal bore (thread) is larger than
> the OD I need. Suggestion as to where to find one?
>
> Thanks again
>
> Lew
>
> -----Original Message-----
> From: Rich D. [mailto:cmsteam@...]
> Sent: Wednesday, November 07, 2001 10:37 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] collets
>
> Lew.
> If you say an R8 will have enough meat in it, buy an "emergenecy" (soft)
> collet as this is intended to be machined.
> RichD
>
> LEW BEST wrote:
> >
> > Hi All
> >
> > Sorry to post this to so many lists, I know some of you are on multiple
> > lists and this will get repetitious.
> >
> > I need to try to make a collet. The design is like a 5C with external
> > threads but much smaller. An R8 is only slightly larger in outside
> diameter
> > (I thought I might be able to turn down and externally thread an R8,

would

> > also need to slightly flatten the nose taper. However after reading the
> > specs in the Mcmaster catalog I feel they are probably too hard steel to
> > turn.
> >
> > The collet I need is for a Black Diamond 31 drill grinder, is the large
> > collet that holds the larger bushings and the 3/4" bit for sharpening.

BD

> > wants $120 some-odd for the one collet so I'd like to try to turn one
> > myself.
> >
> > All it does is hold the bit in place for sharpening it, no high torque

as

> in
> > milling, drilling, etc. I'd appreciate any suggestions as to material

to

> > use, how to cut the 3 thin slots on the face that allow it to tighten,
> etc.
> > BTW my eq is all manual, even though the CAD CAM group is included in

the

> > list. I get good info from all the lists!
> >
> > Thanks
> >
> > Lew

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