Re: [CAD_CAM_EDM_DRO] Cheap source of encoders

mjohnson@... wrote:

> Hello!
> I am starting my first DRO, and I am trying to minimize my expense.
>
> I would like to know of sources for surplus or used encoders. I have
> seen a few on ebay. Is there another source?
> I tore apart an HP 500 inkjet printer and found the encoder and strip
> was of 150 cpi, and that is not fine enough. Are there sources in
> other products or different printers? Where else can I scrounge? I
> am in Columbus, Ohio if anyone knows of parts sources here.

Just keep watching eBay. There are a LOT of encoders on there,
and they often go cheap. I have seen 1000 cycle/rev encoders, which
give 4000 counts / rev go for under $25.

Jon