RE: [CAD_CAM_EDM_DRO] Adding a Tail shaft to servo's with no tail shaft

The magnets will be fine. After all, when was the last time you saw a
fridge magnet loose its 'stick' just by sitting there.

You can damage a magnet by running another magnet past it (like magnetising
a screwdriver by rubbing it along one). You're more likely to crush your
fingers playing with magnets that strong though.

Also, a lot of magnets are fragile. Rough handling can knock chips off
them, and you never know what those chips will end up sticking to.

Tony

> Roger I've been told by several people that if you don't pull
> them out for too long that it doesn't effect them..
> Apparently over time the magnets will lose their "juice" if
> the rotor is pulled out for too long.. Only one or two people
> have said they've had any kind of problems doing it.. I've
> got them so I might as well try.. nothing to lose if it don't
> work.. :-)
>
> Jarrett
>
> > Jarrett,
> > Its not good to pull the armature on permanent magnet DC
> motors. You
> > may partially demagnatize them.
> >
> > Roger
> >
> >> Thanks Mark, how tough is it to pull the armature out of the motor
> > to machine the shaft? I've got a machinist who I think would gladly
> > tackle it but I don't want to wreck the motor by pulling it
> appart or
> > something. Also, what is the reasoning behind the flex
> coupling to the
> > encoder? I could see it if the tail wasn't running true but.. if it
> > is..??