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

Really, didn't know that. Anyway TurboCNC does a good job.
One of my standard "show off" routines turns a 2 start tapered acme thread.
PK

-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of John Stevenson
Sent: Wednesday, 19 October 2005 7:26 AM
To: CAD_CAM_EDM_DRO@...
Subject: [CAD_CAM_EDM_DRO] Re: RE: Re: Digital screwcutting "gearbox

> 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

EMC cannot handle lathe threading.
It's been on the cards for about 5 years but still not here yet.

John S.

>
> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of GLM590620@...
> 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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