Re: Gecko burned out

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "washcomp" <jeff@w...> wrote:
>
> IMHO This makes sense. It is easier than tinning, not expensive,
and
> would address all of the concerns raised so far.
>
> Jeff
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Les Newell <lesnewell@f...>
> wrote:
> > Hi Andy,
> >
> > There are two problems with tinning stranded wire. If the wire is
> > subjected to flexing or vibration it will fail where the strands
> meet
> > the solder. Also solder tends to flow under pressure so over time
> the
> > connection can become loose.
> >
> > The best way to terminate the wire is to use a bootlace ferrule.
> You
> > crimp the ferrule onto the wire then push the whole lot into the
> > terminal. The ferrule stops the strands from spreading out and
also
> > provides some strain relief for the wire. If you look inside just
> about
> > any modern CNC machine you will see that most of the wires are
> > terminated in this way.
> >
> > Bootlace ferrules are thin walled so don't take up much more
space
> in
> > the connector than a bare wire.
> >
> > Les
> >
> > Andy Wander wrote:
> >
> > > Gotcha.
> > >
> > > BTW, did you know that tinning stranded wires is NOT
recommended
> for
> > > wire-clamp-type terminals? The manufacturers specifically warn
> against it.
> > > They say it will cause the connection to creep and loosen.
> > >
> > > I still don't believe it by my "gut feeling", but I would guess
> they know
> > > what they are talking about.
> > >
> > > Andy Wander
> > > Verrex Corporation
> > >
> > >