Mastercam Solids: Face-to-Face Fillets following an Angled Cylinder

[richbass]

I am trying to reverse engineer a part that has 4 complex fillets. I need to create 4 fillets in this solid model that follow the exact profile and angle of these 4 cylinders shown in the photo. Is there any way to do this? I am running Verisurf/Mastercam X4.

 

Thanks

[kdgrills]

Maybe it's an optical delusion, but that sure looks like surfaces to me.

Can you attach the Mastercam file?

[uncle_dolan]

It does look like you are using surfaces there to me also. Your best bet would be to go into the create menu, go down to surfaces, and select trim surfaces to surfaces, and you should be able to trim those cylinders to your angled faces.

 

HTH Brendan

[Matthew Hajicek - Singularity]

They could be imported sheet solids, in which case create surface from solid and then proceed as above.

[richbass]

Thanks for the replies. These are solids, and the file is attached here. I've tried several different ways to make fillets from the solids, but none of them are capturing the same fillet profile and angle as the cylinders, which means that the profile is wrong in the corners.

MASTERCAM SOLID FILLET PROBLEM.MCX

[richbass]

By the way, I have tried trimming surfaces to surfaces, but it doesn't work for me.

[TheePres]

Is this what you needed?

MASTERCAM SOLID FILLET PROBLEM-DP.MCX-5

MASTERCAM SOLID FILLET PROBLEM-DP.MCX-5

[richbass]

Can you please save it as an .MCX file for version X4? I cannot open it since it is an MCX5 file. Thanks!

[TheePres]

try now

[TheePres]

try now...

MASTERCAM SOLID FILLET PROBLEM-DP.MCX-5

[TheePres]

Grrrr

MASTERCAM SOLID FILLET PROBLEM-DP.MCX

[richbass]

Hey, thanks for doing this. It's much closer than what I've been able to get, but it's still not quite perfect, as you can see if you bring the cylinders back in. They master tool I am reverse engineering has a slight bulge at the bottom. See photo.

[richbass]

Does anyone have any other ideas on how to do this? Mastercam has a feature in Solids-Fillets that does "propagate along tangencies", which sounds like it should do what I want, but I can't figure out how to make it work. I have also tried working with surfaces and trimming them, and the function is not working for me.

[drafting3]

I'm looking at it now. Did you draw the fillets in the corners? They are all protruding out past the boundary surfaces. (i.e. your tangencies are not correct) Are you wanting it tangent? (smooth)

 

also, are you wanting a fillet in each vertical(ish) corner, and along the bottom? (4 fillets, or 8 fillets)

 

 

 

i can tell you this is definitely possible, it's just a question of how you go about it. sometimes when dealing with complex fillets in surfaces, i will skip the "fillet" function and draw my own geometry, then sweep a surface path as needed.

[kdgrills]

It's not clear to me what you're looking for.

I would have blended the corners as TheePres did.

 

Are the cylinders correct & you need the walls to be tangent to them?

Do you want the corners blended & the cylinders trimmed?

[richbass]

It was reverse engineered from an existing tool using a Faro Arm and Verisurf/Mastercam X4. The final part should look like the photo I've attached here, with a constant radius fillet, but it should have the same angle of its fillet as the 4 cylinders in the file I attached. When I do a Solid-Fillet using the same diameter value as what I captured from the Faro Arm, the angle of the fillet is incorrect, as the actual part fillet bulges out somewhat at the bottom of each fillet, as can be seen on the first photo I attached in my first posting. Hopefully this makes sense.

Thanks

[richbass]

Photo here of the part using the Solids-Fillet function.

[richbass]

kdgrills: "Are the cylinders correct & you need the walls to be tangent to them?"

 

Yes, that is what I'm trying to do.

[kdgrills]

Have a look at the attached parasolid.

[kdgrills]

Just curious, did you get this resolved?

[PMDc]

I am trying to reverse engineer a part that has 4 complex fillets. I need to create 4 fillets in this solid model that follow the exact profile and angle of these 4 cylinders shown in the photo. Is there any way to do this? I am running Verisurf/Mastercam X4.

 

Thanks

 

If the walls of your model are wrong and need the cylinders to drive them the attached file is how I would do it.

 

If the walls need to remain as they are but need a corner fillet that shares the same center line or outer profile as the cylinders, well that is a different method.

MASTERCAM SOLID FILLET PROBLEM_PMDC.MCX