CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Increasing DRO resolution

Posted by Jon Elson
on 2002-10-20 21:25:40 UTC
paul_norton2001 wrote:

>This has probably been dealt with before but I can't find it in the
>archive.
>It has been said on this group that encoders should, ideally, have
>a resolution 10 times greater than that which you wish to display.
>Therefore to display measurements down to 0.0005" (½ thou.) the
>resolution of the decoder would have to detect movement of 0.00005".
>Art Eckstein shows on his webpage http://ns1.dicomm.net/~axtein/ how
>he used mechanical advantage to double the resolution of his system
>when using rotary encoders.
>Has anyone succesfully adopted Art's system but, instead of driving
>the encoder directly, driven it by a precision toothed belt to give
>a mechanical advantage of say 10:1?
>
>
I think this applies more to CNC motion control systems rather than DROs.

Jon

Discussion Thread

paul_norton2001 2002-10-20 03:57:05 UTC Increasing DRO resolution w.higdon@a... 2002-10-20 08:25:25 UTC Re: [CAD_CAM_EDM_DRO] Increasing DRO resolution Jon Elson 2002-10-20 21:25:40 UTC Re: [CAD_CAM_EDM_DRO] Increasing DRO resolution mayfieldtm 2002-10-21 08:39:34 UTC Re: Increasing DRO resolution