Re: [CAD_CAM_EDM_DRO] Re: Cam track help!

----- Original Message -----
From: "markpowerplus" <mabw@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
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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