Re: Screw Mastercam x


"Mitch" <no_email_desired@xxxxxxxxxxxx> wrote in message
news:430dcbe9_2@xxxxxxxxxxxxxxxxxx
>
> "vinny" <friggenbozo@xxxxxxxxx> wrote in message
> news:430dba00$0$83690$892e7fe2@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> Hi vinny,
>
> > Problem is at work i have a dell pent4celleron with intel onboard
> graphics,
>
> Ouch.
>
> > takes 3 minutes just to shade it.
>
> Double ouch... :-))
>
> Took a long ass time to cut it. And no I
> > couldn't beat his 5 meg marker yet.
> > I determined for sure the smallest space will fit a .249 ball.
>


..124 ball, sorry bout that.(clarified)


> You might want to check that again... Easy way is to cut a section
through
> in a couple of spots, or pull out a couple of crosswise surface splines,
and
> measure the bottom radius (curve radius measure is easier than surface
> stuff, at the worst, just start eyeball drawing tangent circles to get a
> good approximation). Here I got around 1.77mm radius minimum, so I think
a
> 1/8" ball is going to be needed.
>
> That took a
> > little while due to the crappy graphics card. I had to shade it real
fine
> > and run toolpath with -.001 stock and turn it upside down untill I could
> see
> > the cutter path. About a 6" X 6" piece, so its not too big.
> > Actually its the sweetest practice surface iv'e seen in a while, I'm
> > looking forward to seeing how each routine deals with it.
>
> Made it in Rhino in about 10 minutes... Rhino also has some nice
curvature
> analysis tools and the minimum radius spot is relatively easy to find ( I
> can tell you where it is... <G>)

Now that would be nice, My method works ok, but its trial and error.

>
> > I'm not too optomistic at beating 5 meg with .0001 accuracy and
> scallop,
> > But I will give it hell and see.
> > I'll be posting on the weekend how it does.
>
> Don't kill your weekend for that... Have a (virtual) beer or two on me...
> Unfortunately I'm too far away to be able offer them in person... :-((

Actually I'm looking forward to playing with it, in fact I downloaded gibbs
cam to compare to mastercam.

>
> --Mitch
>


.

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