Re: [CAD_CAM_EDM_DRO] Re: Re: Can CNCPro users provide some input? - cutter comp

QuickCAD is a smaller version of AutoCAD and is put out by Autodesk
www.autodesk.com It only does 2D drawings.

I don't remember where I bought mine but the price was pretty reasonable at
the time I got it.

Smoke,

>I have Fast Cad, Easy Cad. What is quick cad, and can you tell me a little
>more about it?
>
>Tom
>----- Original Message -----
>From: Smoke <gordonr@...>
>To: <CAD_CAM_EDM_DRO@yahoogroups.com>
>Sent: Wednesday, March 21, 2001 10:44 PM
>Subject: Re: [CAD_CAM_EDM_DRO] Re: Re: Can CNCPro users provide some
>input? - cutter comp
>
>
>> If you happen to have Quick CAD you'll find "computing" the location of
>the
>> cutter start postion as it goes into comp a breeze...the program
>calculates
>> it for you...to whatever degree of accuracy you need.
>>
>> Smoke
>>
>>
>>
>> >
>> >Alan
>> >
>> >There is a page on LinuxCnc.org about the way the EMC does comp. Jon E
>> >also has a page on his wusl site.
>> >
>> >There are several ways, including arcs, that you can approach the comp
>> >offset. I did some experiments while writing the handbook comp page and
>> >found that if you know the offset and the start of cut position in
>advance
>> >of the g42/43, or compute it some way, and use that info to move to the
>> >start position, you can begin comp right where you want to cut. The
>only
>> >thing that the EMC cares about is that you not gouge the surface that

you

>> >are comping away from during the approach. It computes a possible
>> >gouge to some incredible degree of accuracy so the start position math
>has
>> >to be good.
>> >
>> >From: Alan Marconett KM6VV <KM6VV@...>
>> >
>> ><s>I've heard that the controller must have straight line enter and
>exits,
>> >>to give it time to switch into/out of comp. I really haven't much of

an

>> >>Idea how it works, although I can see it simply as an offset in the

CAD.

>> >>I'd like to hear/understand more about it.
>> >
>> >If you read a bit of c c++ you can look at the source code that Tom
>Kramer
>> >wrote for the emc. These routines are very well documented.
>> >
>> >Ray
>> >
>> >
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>> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
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>
>
>Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the

discussion of shop built systems, for CAD, CAM, EDM, and DRO.

>
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