Re: [CAD_CAM_EDM_DRO] Re: DRO intermitent fails

Sven Peter wrote:

> Hello Jon and Ray,
> when I finally got back to the failing DRO all I had
> to do was, cleaning up the oil from the scale and reader head
> with electronics solvent. Cleaning the Conecting rod and ball heads,
> turn the conecting rod to not worn spots and tension the spring.
> WHAG... it broke, barelly touching it.
> I made up a new one and the DRO behaves like new.
>
> The reason of intermitent failure was that when you pulled
> the reader head the spring pressure was not enough and the head
> misaligned.

Yes, that's a typical failure mode when the unit is worn.

Jon