Re: **SPAM** Re: [CAD_CAM_EDM_DRO] spend on DRO, pwr feed or conversion?

Sure can. By using surplus motors and some frugality. A retrofit within a $2k budget is very do-able. What shoots your funds is all the nickle and dime stuff. like Estop switches , relays, wire, fuseblocks, cooling fans etc. All of those items can be found on Ebay or at an electronics surplus place. You could also try the maintanence dept at work when they are at lunch?? :-)
Ron

Chris <chris@...> wrote:


So, for around $2k and a week's work I can convert with new parts? am I
reading this right?
Now all I need is a free week!

> Depends on how much of a hurry you are in. You'll need a ballscrew
> assembly for X and Y about $650 new, might find one on Ebay or elsewhere
> for much less. Also Servo or Stepper motors for each axis about $100 used
> or new old stock, If they need encoders add $40 dollars to each. You'll
> need belts and toothedbelt sheaves for each axis at about $80 for the
> three new. You'll need a PC and software and the latter is free to a few
> hundred dollars depending on which one you select. Servo or stepper
> drives, Geckos are on sale for $99. A breakout board like Bob Campbells is
> a little over a $100. Also a power supply for the Servos or Steppers for a
> few hundred. A few weeks liesurely work or a week of hard work to
> assemble. Some of the prices will vary with dilligent searching. If one
> takes their time they can produce a very reliable CNC machine retrofit
> capable of complex machining operations. After retrofitting my Bridgeport,
> I wouldnt spend one nickel on DRO or a power feed. I have !
> another
> manual mill that before I knew how well these retrofits work I purchased a
> power feed for. The money wouldve been better spent towards another CNC
> control.
> Hope this helps,
>
> Ron

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