RE: [CAD_CAM_EDM_DRO] 4-AXIS FOAM CUTTER

> -----Original Message-----
>
> When I say post, I mean actually writing the code. There are
> very few CAM packages and post processors equipped to handle the 4
> axis motion you describe.
> I think you will end up writing your programs by hand or
> cutting and pasting the code manually to get the path you want.
> What you need is CAM designed for wire EDM. This simply
> doesn't exist at the hobby level.
> I just think you may be into a type of control that hasn't
> been developed in the hobby arena yet.
> I think you are talking about cutting tapered wing sections.
> In the most simple cases I think you will have no problems. For
> instance, you start with one cross section and you want the
> wing to taper down to a scaled version of the same section.
> The easiest way I can think to do this is to treat it like
> independant 2 axis controls, Starting simultaneously. So for post
> processing purposes you just post the code for both sections
> separately and then join then line for line. Then when you run the
> program you should get what you want. Of course you would
> have to scale the feedrates for both to get them to start and
> finish at
> the same time.
> This is where you will run into problems. You won't be able
> to continuously vary the feedrate between the axis independantly.
> You might be better off actually having two independant
> controls. You could use one the same software and run off two PC's.
> There are some people on the list who have built wing cutters
> like this. You might want to search the archives of the list for more
> answers.
> JoeV.