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lle
Enthusiast
431 Vistas, 7 Respuestas

Ways to cut a fishmouth shape

Hello. 

 

I need help with cutting out this fish mouth with an endmill; for the past couple of years I've been using Surface from boundary to select the face and then for the feature I used the turn/mill side for it. My machinist keeps telling me that the cut out of it is always off, the arc is always off center. I was wondering if anyone has a different way to do it or ways for me to fix it for it to come out correctly. 
Attached is the images and .fm 

 

Any help would be much appreciated 

Anonymous
en respuesta a: lle

Hi @lle,

 

I really don't understand the question right? But what is the problem/issue with the side feature? if you look at the part compare all looks fine.

https://www.screencast.com/t/36CJ4eEgr

 

lle
Enthusiast
en respuesta a: Anonymous

Hi @Anonymous, 

Yes it looks like that too when i do the simulation.. but my machinist told me whenever he runs the code, it cuts heavier on one side, and it ends up being flat on one side. I'm not sure if its the machine or my nc code is off. I've attached the picture of how it turned out. 

 

 

Anonymous
en respuesta a: lle

Hi @lle,

 

What type of machine and postprocessor?

 

lle
Enthusiast
en respuesta a: Anonymous

Hi @Anonymous; 

 

it is being ran on a Samsung and Doosan using the featurecam to post the codes. 

Anonymous
en respuesta a: lle

Hi @lle,

 

I think you have snap some wrong maybe, if you look at the picture, there are some different in the code, you have create the first and I have create the second. see link.

 

https://www.screencast.com/t/kcuccEoiNP

 

rfuentes
en respuesta a: lle

does the machine have Y capabilities? sounds to me like it is a machine issue.

lle
Enthusiast
en respuesta a: rfuentes

@rfuentes @Anonymous

 

So I ran it on two different machine, same geometry and curve. I think it may be a machine issue, but I'm also uncertain if its posting out correctly on the machine that is wrong.