Re: Cam track help!

Dan,
I will have to wait till I get home as the information is there, I
expect i will need to do a couple of roughing passes and a finish
cut. probably use a .3125 dia cutter for the roughing cuts and change
to the .375 for finishing, but i could just repeat the program
inserting the " z"code when needed.i will be home in about5 hours !
by the way i am in Australia so the phone call is probably not on,
thanks anyway for that suggestion.Will email you later with the
details
thanks
Mark

--- In CAD_CAM_EDM_DRO@y..., "Dan Statman" <dan.statman@r...> wrote:
> No problem. Please define all of your parameters. This code will
assume
> that you get the full width of cut with a single pass. Do you need
multiple
> passes to get the depth? What step size in degrees would you
like? If you
> get me the specifics quickly, then I can do this right away. If
you wait 20
> minutes or longer then I will have to do it when I get back this
evening.
> Either way, I will do this and it should only take a few minutes.
>
> Please let me know ALL of the details. You mentioned "pitch"
before, do you
> mean amplitude? How far from one side of the wave to the other do
you want
> (this is twice the amplitude), and how many periods?
>
> You can e-mail me directly at dan.statman@r...
>
>
> Daniel J. Statman, Statman Designs
> www.statmandesigns.com
>
>
> ----- Original Message -----
> From: "markpowerplus" <mabw@b...>
> To: <CAD_CAM_EDM_DRO@y...>
> Sent: Tuesday, August 20, 2002 5:52 PM
> Subject: [CAD_CAM_EDM_DRO] Re: Cam track help!
>
>
> > Dan,
> > I think we have hit the nail on the head , what you call simple
is to
> > me (read brain dead with maths) is difficult , can you generate
the
> > code for me please...... would be ever so grateful.... See i am
just
> > learning this cnc stuff and need a real kick along!!!!!!
> > thanks
> > Mark--- In CAD_CAM_EDM_DRO@y..., "Dan Statman" <dan.statman@r...>
> > wrote:
> > > Mark,
> > >
> > > For this simple of a geometric shape around a perfect cylinder
just
> > use a
> > > spreadsheet and generate the code by hand.
> > >
> > > If your rotary table is setup vertical to the table and aligned
> > with the
> > > y-axis so that movements towards the edge of the wave are in the
> > > x-direction, I like to set my x=0 point to the middle of the
curve.
> > >
> > > Go into Microsoft Excel (or any other spreadsheet that you
like) and
> > > generate a column of numbers for the rotary axis from 0 to 360
> > degrees,
> > > using whatever step increment you like, I prefer 1/2 degree
steps.
> > From
> > > these degree values calculate the X-values by using the formula
for
> > a SINE
> > > wave specific for your amplitude (pitch?) and number of periods.
> > The
> > > formula is amplitude*SIN(Pi*degrees*periods/180/), and generate
an
> > X-value
> > > for each degree value.
> > >
> > > Add columns for the axis designators: X and A and this is your
G-
> > Code for
> > > the movement around the cylinder. You have to specify the
depth of
> > cut with
> > > a Z-axis move prior. For the opposite wave just make another
> > column that is
> > > the negative of your first wave.
> > >
> > > Copy all of the cells and then paste into a text editor and save
> > your G-code
> > > file.
> > >
> > > If you need more explicit instructions, or would like me to
> > generate the
> > > code for you in 5 minutes, just ask.
> > >
> > > Daniel J. Statman, Statman Designs
> > > www.statmandesigns.com
> > >
> > >
> > > ----- Original Message -----
> > > From: "markpowerplus" <mabw@b...>
> > > To: <CAD_CAM_EDM_DRO@y...>
> > > Sent: Tuesday, August 20, 2002 5:13 PM
> > > Subject: [CAD_CAM_EDM_DRO] Cam track help!
> > >
> > >
> > > > Morning all!,
> > > > Can anyone help me ,i need to machine a double sine wave
around a
> > > > 1.630 dia tube. I am using Featurecam 5 and cncpro on my 4
axis
> > > > mill . I just cannot seem to be able to produce the nc code
to do
> > it.
> > > > The groove (slot?) needs to be .375 wide and .312 deep with a
> > pitch
> > > > of .680, who can show/tell me how to do it ?
> > > > thanks
> > > > Mark
> > > >
> > > >
> >
> >
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