Re: I need help defining cutter compensation (Offset?) in Dolphin CAD/CAM

--- In CAD_CAM_EDM_DRO@y..., "Michael Milligan" <mmmilligan@f...>
wrote:

Mike you will do better if you spell your email out long hand as
Yahoo chops all email address's
Mike email is:-
mmmilligan at freeuk.com

John S.

> Doug
>
> Yes you are right the Post Processor uses an IF,THEN,ELSE
> type of language which the user has full and open access to, my
> previous reply to Tim showed where the section of the .DOC
> manual deals with Post Processing. I will email you a
> sample post processor off list.
>
> On the subject of payment, there are three methods :-
>
> 1) PAYPAL - account is 'mmmilligan@f...'
>
> 2) Bankers Cheque
>
> 3) Bank Transfer
>
> Of the three I believe Paypal is quickest and cheapest.
>
> Our address is :-
>
> Dolphin CAD CAM Ltd
> 7 South Dean Rd
> Kilmarnock
> KA3 7RE
> Scotland
> United Kingdom
>
> Web site :- www.dolphin.gb.com
>
> regards
> michael
>
>
> -----Original Message-----
> From: doug98105 [mailto:dougrasmussen@c...]
> Sent: 16 December 2001 20:38
> To: CAD_CAM_EDM_DRO@y...
> Subject: [CAD_CAM_EDM_DRO] Re: I need help defining cutter

compensation

> (Offset?) in Dolphin CAD/CAM
>
>
> Michael,
>
> John S showed a section of the "text" file which must be altered in
> the post processor. That text file looks suspiciously like VB or
> some offshoot. From that I assume a person could tailor their

posts

> to do virtually anything.
>
> BTW, how does an individual in the USA go about purchasing

Dolphin?

> How is the payment handled, mail a check, money order, wire

transfer,

> cash? Shipping charges? Please post your mailing address again,

if

> you don't mind.
>
> thanks,
>
> Doug
>
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., "Michael Milligan" <mmmilligan@f...>
> wrote:
> > Doug
> >
> > Yes, the post processor can be tailored to cope
> > with the various practices used in applying CRC. Also
> > the contour facility allows you to specify an
> > Approach/Runoff move, this move can be used to apply
> > or cancel CRC before the tool actually starts the
> > Contour. Approach/Runoff moves may be Tangential, Parallel
> > or Normal to the direction of cut of the contour.
> >
> > regards
> > michael
> >
> > -----Original Message-----
> > From: doug98105 [mailto:dougrasmussen@c...]
> > Sent: 16 December 2001 18:20
> > To: CAD_CAM_EDM_DRO@y...
> > Subject: [CAD_CAM_EDM_DRO] Re: I need help defining cutter
> compensation
> > (Offset?) in Dolphin CAD/CAM
> >
> >
> > John,
> >
> > Dolphin looks pretty straight forward. Obviously, the second
> screen
> > shot you provided would be my favored way of doing the job
> (provided
> > the CNC controller will support it).
> >
> > I looked over the generated code and noticed some things that may
> not
> > work with all controllers. It appears the end mill goes to

depth,

> > then compensates (G41) while at depth with a feed rate of F12.
> Some
> > controllers compensate at rapid rate which would not be a good
> > situation if the cutter is already into the part. Likewise, the
> G40
> > while the cutter is still at depth. In my shop I have 4

different

> > controls, all have their own strange habits when it comes to CRC,
> so
> > we make it a rule to always try to engage CRC with the cutter at
> Z.1
> > above the part.
> >
> > Is there a way to "teach" Dolphin about the CRC quirks of

different

> > controllers?
> >
> > thanks,
> >
> > Doug
> >
> >
> >
> >
> >
> > --- In CAD_CAM_EDM_DRO@y..., "stevenson_engineers"

<machines@n...>

> > wrote:
> > > --- In CAD_CAM_EDM_DRO@y..., "doug98105" <dougrasmussen@c...>
> wrote:
> > > > Eric,
> > > >
> > > > In the long run you'll be much better off letting the CNC
> > > >controller
> > > > do the offsetting rather than doing it in CAM. Of course

this

> > only
> > > > works if your controller supports CRC (cutter radius
> > compensation),
> > > >I
> > > > think Ahha does.
> > > >
> > > > To have your controller handle the CRC, requires the CAM
> software
> > > >to
> > > > insert the correct offset commands, G40,G41,G42, in the
> > appropriate
> > > > places in your Gcode file. I don't know anything about

Dolphin

> > so
> > > >I
> > > > have no idea whether it will do this for you automatically,

or

> > > > whether you have to manually edit the Gcode file and insert

the

> > > > commands yourself.
> > > >
> > > Doug and list,
> > > Look at:-
> > > http://homepage.ntlworld.com/machines/offset.txt
> > > To see how Dolphin handles offsets automatically.
> > > You don't need to draw offsets in Dolphin, it will do it all

for

> > you.
> > >
> > > John S.
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> >
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> > bill,
> > List Manager
> >
> >
> >
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>
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