RE: [CAD_CAM_EDM_DRO] Re: Digital screwcutting "gearbox"

I don't disagree with any of your points. I've heard the "I just want to do
this something simple" argument a few times. It has merit. So long as that
one simple thing is all you will ever want to do.. My own experience is
that, having made something move for the first time, I was instantly hooked
and, inevitably, went on to bigger and better things.

PK

-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of afogassa
Sent: Wednesday, 19 October 2005 7:39 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: Digital screwcutting "gearbox"

I Agree with that,

I have a Deskcnc controller that can do threads waiting to be used
on a laser cutter sometime in the future.
but Idon't want to have another PC running machine.(already have a
gantry with deskcnc)
Besides ,If I can do it with microprocessors I can use it in any
future machines with simple functions that don't need a PC hanging
around just to make a simple move like go to that point and stop.
I've just got a south bend lathe clone missing all the gears to cut
threads. got the idea? I could just buy the gears or machine new ones
but that would be soooo simple :-) .

Fogassa.



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Paul Kelly" <tech@c...>
wrote:

>
> My 2c worth here is to forgo the electronics and use a PC running

something

> like turbocnc or emc. I say this as one who has a knowledge of

electronics

> and builds his own drivers and other gizmos.
> I also think you should then add a stepper to the x axis. It's one

of those

> "Having done this, for a small amount of extra effort you get all

this"

> things.
> With one stepper and a sensor you get an infinitely variable lead

screw. Add

> an additional stepper and it will turn the threads to an exact ISO

profile

> using a single point tool add a shoulder and do many other tasks.
> Even if you just stick with the stepper on the lead screw and a

spindle

> sensor, Turbo CNC on an old dos laptop is much more versatile than a
> dedicated bit of electronics.
>
> All IMHO of course :-)
>
>
> PK
>
> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of GLM590620@A...
> Sent: Wednesday, 19 October 2005 2:51 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Re: Digital screwcutting "gearbox"
>
> I found a company that used to make such a thing here in the uk

some while

> back, when i contacted them they said that they has some bits left

but not a

>
> complete kit and were not interested in selling any of it, shame

really.

>
> Gavin
>
>
> [Non-text portions of this message have been removed]
>
>
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