Re: BobCAD users

--- In CAD_CAM_EDM_DRO@y..., "James Stevens" <stevens@c...> wrote:

> Alex,
>
> I ran in to a similar problem last night. This time it wasn't a
>pocket
> function, just an "auto cut" that went out of control and repeated
>some 20
> times (the previous 3 cuts worked fine).
>
> No explanation or fix that I know of other than manually deleting
>extra
> code - a real pain.
>
> James

When I used to use Bobcad I also had the same problems. I never found
a satisfactory work around but I did find that starting from
different points DID have a bearing on the result.
My 'best' file was a raised text "No Smoking" sign.
It went round the inside of the first 'o' only, nothing else, not
sure how many times but the code was over 30,000 lines long !!!

Is anyone interesed in seeing how Dolphin handles pockets and area
clear's ?
If so I can put some screen shots up tonight on my web site.
Or if Alex wants to send a dxf file of his part to my email which is:-
machines AT ntlwotld.com I'll run that through

John S.

> ----- Original Message -----
> From: "Alex Canale" <alex.canale@r...>
> To: <CAD_CAM_EDM_DRO@y...>
> Sent: Friday, January 25, 2002 8:10 AM
> Subject: RE: [CAD_CAM_EDM_DRO] BobCAD users
>
>
> > It actually does 15 to 20 more passes of only the last pass. The

part does

> > finish to the expected I.D. but it takes an extra 15 minutes per

pocket

> > multiply that by 9 = lots of wasted time. It does not remove any

material

> it
> > just goes right over it's last pass. The only way I know of

canceling a

> > routine like that is to actually bring the tool up to clearence

for the

> next
> > pocket. I actually fixed it "manually" I edited the g-code by

removing all

> > the extra lines in the code. I just don't want to have to do this
> everytime
> > I mill a pocket.
> >
> > Thanks,
> > Alex
> >
> > -----Original Message-----
> > From: Raymond Heckert [mailto:jnr@a...]
> > Sent: Friday, January 25, 2002 12:40 AM
> > To: CAD_CAM_EDM_DRO@y...
> > Subject: Re: [CAD_CAM_EDM_DRO] BobCAD users
> >
> >
> > Perhaps you are seeing the "clean-up" pass that most pocketing

routines

> > generate. Does it do one more pass around the square, or more

than one?

> > Does the part "finish" to the expected I.D.'s? Try "painting" the

roughed

> > pocket with blueing dye, and check to see if it's the last thing

removed.

> > Maybe you didn't cancel the pocketing code properly.
> >
> > Ray Heckert
> >
> > ----------
> > > From: Alex Canale <alex.canale@r...>
> > > To: CAD_CAM_EDM_DRO@y...
> > > Subject: RE: [CAD_CAM_EDM_DRO] BobCAD users
> > > Date: Thursday, January 24, 2002 11:21 AM
> > >
> > > For those who use BobCAD do you know why and how to fix this

problem?

> > >
> > > I am cutting a square pocket in copper. This pocket is .18 deep

and .375

> > > wide. I already got the pocket milled out but I wanted to go

back with

> an
> > > 1/16" end mill and clean the bottom of the pocket. So I made

the end

> mill
> > go
> > > all the way down plus .002". It overlaps it previous path

by .010" and

> it
> > > describes a spiral path starting from the center and going

outwards. The

> > > problem is that when it gets to the last spiral path it keeps

going and

> > > going and going kinda like the energizer bunny. When I look at

the code

> I
> > > can see all the extra lines that are generating all the extra
> unnecessary
> > > passes.
> > >
> > > What can I do to fix this problem in NCcam. Is there a variable

that I

> > need
> > > to change?
> > >
> > > Thanks,
> > > Alex
> > >
> > >
> > >
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