RE: [CAD_CAM_EDM_DRO] hi

Chris, others:

Dave Kowalski's "TurboCNC" is a CNC G-Code interpreter that runs under DOS
and is written in Borland's TurboPascal 7.0. It can also be compiled as a
DOS program using Borland's Delphi-Release 1 command line compiler assuming
the following:

1. The user has obtained the appropriate run time libraries from the web.
Set a search engine to search for BP8*.zip to find these files.

2. The user invokes an undocumented compiler switch "-cd" to turn on DOS
compilation or "-cp" to turn on DOS protected mode compilation.

Currently, TurboCNC is a shareware program that provides the complete source
code with the registration fee of $10.00. I have successfully recompiled
Dave's software using Delphi-1 and the afore mentioned libraries so I know
of what I speak. If you're planning to compile using the Delphi compiler, be
sure to ask Dave for the source code to the high speed timer, as the version
7 tpu and the version 8 tpu files are somewhat different.

-- Jerry Jankura
Strongsville, Ohio
So many toys, so little time....

| -----Original Message-----
| From: stratton@... [mailto:stratton@...]On Behalf Of ccs@...
| Sent: Thursday, October 11, 2001 7:53 AM
| To: CAD_CAM_EDM_DRO@yahoogroups.com
| Subject: Re: [CAD_CAM_EDM_DRO] hi
|
|
|
| > My project is "Conversion of a conventional lathe to the CNC lathe,
| > by using PC based motion control unit" The programming language is
| > Turbo Pascal. PC is sending signals to parallel port. Then a driver
| > is sending this signals to 2 step motors. One of them is acting on X-
| > direction and the other Y-direction of the lathe. I write a programm.
| > But is it not finished. In this programm, x1 and y1 (start point)are
| > entered and then x2 and y2 (finish point) are entered. If this is a
| > linear line, then my programm is successful (y=mx*i) either m>1 or
| > m<1 (m=slope). But I can not do it for a circle. (x^2 + y^2 = r^2)
| > I want to move the step motors like a quarter circle for example for
| > a shaft. Look the figure below. I update the program to the FILES.
| > You know any programm like this? Or can please help me!?
|
| I'd suggest you make your program also able to read a text file
| containing a subset of the rs274 "G code" language usually used for
| this purpose. By looking up the specs for this one the web you can
| get an idea of what types of commands one usually gives such a
| machine, for example how circles are specified. Knowing what
| information is contained in the usual commands can help you figure out
| how your program should work.
|
| There is source code available I think to one or two programs that do
| this kind of thing in Basic and perhaps pascal.
|
| Also, in C/C++ is the Enhanced Machine Controller which runs under
| linux. This is full-strength industrial grade control package which
| is public domain and open source. You could probably learn quite a
| bit by reading the code, once you learn your way around it.
|
| Chris
|
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