Re: [CAD_CAM_EDM_DRO] Re: Helical Couplings

By that reckoning...technically speaking...there's no such thing as a zero
backlash coupling. If you apply enough torque even a solid bar will twist.
You can even deform (or break) the bar by this method. I've done in many
times.

Smoke

>But you need to watch out for the windup. If the coupling is not stiff
>enough torsionally it can cause resonance (feedback) problems with a
>high-gain controller. I ran into that problem while looking into
>retrofitting a helical coupling into a pen plotter my former employer made.
>
>Best regards,
>
>Randy
>
>