Re: [CAD_CAM_EDM_DRO] Re: Need a circuit breaker.......

doug98105 wrote:

> Jon,
>
> I don't know if not limiting the current of the motors would be
> considered an OSHA-style safety violation. It's definitely a pocket-
> book violation though <g>.

Removing any safety feature that prevents damage during a bind-up
sounds like some kind of technical violation to me.

> Yes, the extra bit of performance is an important issue. This is a
> gang tooled lathe and some of the high volume, low priced parts run
> in under 15 seconds so time is a big factor.

But, will re-enabling the overcurrent trip, and setting it to a high
trip threshold, so it ONLY trips on a bind up force you to limit the
performance? I suspect you won't know unless you try it.

> If the need was there I probably would buy from these people again.
> They're a relatively small manufacturer of CNC's and retrofits.
> Generally, their stuff is good, but as is typical of small
> manufacturers of this type the users are the beta testers.

Yes, I've seen that before.

> In comparison to the high dollar problems friends have had in the
> first few years with their new Mori Seiki's, Fadals, Haas's, Okumas,
> etc I should feel lucky. Production CNC'ing ain't cheap. I'd say if
> you get away with under $1000/year per machine in maintenance you're
> doing well.

$1000 won't even get you ONE service call from a major CNC builder.

Jon