CATIA NC Programming

[Budzy22]

Is anyone familiar with programming with Catia. I have been using this software for a little while but I am not able to get a really smooth finish. It seems as though the finish is always choppy. Anyone have any advice?
Thx.

[tebisuser]

i dont know catia , but you can try to make a smaller chordal deviation
But you problems are not solved if the milling machine dosent help you , i mean if the machine can not keep the points from the nc programm
can you post a pictrue what you try to finish ? and what machine you use ?

[Budzy22]

Thank you for your response. My stepover/scallop height would be set at .001 and my machinig tolerance at .0001. My program was huge. But I had to do this to get a good finish. We are using an Acer Bedmill. The machine is fine. We have created a program with EdgeCAM and the finish came out better and the program was a lot smaller. I cannot find anyone who knows the trick to getting a good finish using Catia.

[tebisuser]

we are talking in mm or not

we use fidia controler and tebis for programming and our finish is like mirror
our programms are in range of 700 -800 MB for molds

for finishing cut only ......24 hour long

[charlie huffman]

I am a Catia programmer and it sounds like you need to loosen up the mach/tol (.0001 will add a ton of points with no regards to finish) and tighten up your scallop height to .0005 for a much better finish when kellering a twisted surface. Change your mach/tol to .001 for every M.O.