How about using a jewelers file.  I've done this for cutting steel cable
going through housings.  The cutters would fray the wire no-matter how it
was cut.  A piece of heat shrink, then filing through the heat shrink and
cable (in this case a lead) will really work wonders as far as shock
elimination and fraying.
Regards,
Mike
----- Original Message -----
From: Alan B. Pearce <A.B.Pearce@RL.AC.UK>
Sent: Friday, August 17, 2001 3:02:05 AM
To: <PICLIST@MITVMA.MIT.EDU>
Subject: Re: [PIC]: Oscillator leads

> >> >shockwaves going up the lead
> >
> >A snip that makes a cut-off fly across the room will cause
> >the equivalent force to go into the part that didn't. Maybe
> >you weakened the crystal and made it susceptible to
> >over-driving failure. As noted in threads about using crystals
> >in rocketry and projectile applications, crystals will tolerate
> >mechanical stresses in some directions but not others
>
> Not when you use shockless cutters (see my previous post on this thread)
The
> cutters produce a flat cut on one side and that means there is no wedge
> formed to push the lead back in that direction. All the energy goes into
> pushing the portion of the lead with the wedge on it. I will try some
ASCII
> art.
>
>
>                 | /
> --------------| |/  /--------
>   component   |    /  excess
>     lead      |    \  lead
> --------------| |\  \--------
>                 | \
>  <- no force   cutter  force applied ->
>                blades
>
> --
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> ways.  See http://www.piclist.com/#archives for details.
>

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