Re: [CAD_CAM_EDM_DRO] Re: EMC and lathes?

timgoldstein wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@...> wrote:
>
>> We also have CSS operation,
>> radius/diameter programming, etc. There are several Harding HNC and
>> CHNC machines running, as well as
>> others. Some people are now working on live tooling and other exotic stuff.
>>
>
> Jon or others,
>
> OK, what is a CSS operation?
>
>

Constant Surface Speed. The spindle speed varies in inverse proportion
to diameter.

> I never understood diameter approach until I got the Haas lathe. Now it makes so much sense that I have no clue how I did lathe work before. Glad to see that is there.
>
> So how far along is live tooling. That is another of those features that until you use it, you don't realize the value. Now I could not imagine machining without.
>

Well, the big trick is to smoothly switch between spindle and A axis.

> Does the lathe mode support threading? If so what about multi start threads? Looking at doing some small parts where I would prefer to set up a small lathe. But it will require multi start threading.
>
>

Yes, of course. There should be no problem doing multistart threads,
but I admit I have not done them.


Jon