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Kelly Lapp

YCM Gouge in high speed tool path

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I am machining 6061 aluminum on a YCM vertical machine. I am using high speed rest roughing and am getting gouges on my part but am not seeing it on screen or in my verification. Has anyone else know what direction to point me in to fix this.

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Can you post a picture of the gouges?

 

If your machine doesn't have G00 slope constant, you need to use full vertical retract, or turn on feed moves for linking. 90% of the time that's the problem people are having.

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it is kicking out feed moves and looks like the x and y moves or constant. The out put feedrate is set at 500ipm. Didnt know if this was an arc problem in my definition manager or not. it is set to break arcs at 180

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Can you post a picture of the gouges? How fast are you feeding? Does your machine have any high speed look ahead and contour control functions?

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Turned on the high speed maching and looks good so far. It just increases the machine time. Am leaving .02" for a finish pass. So i really dont need the machine to slow down in the corners like it does. and will try and post a pic. I am feeding at 175 ipm stepping down .05". Program runs good on our milltronics and Haas.

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That's one of the downsides of a Taiwan machine like the YCM. Very nicely built, but they don't have an army of engineers to dial in those little details for all the different machine models. You should be able to adjust some parameters to make that machine cut much faster and more accurately than the Haas or the Miltronics.

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Yes i agree and thanks for the help. Will be checking into the parameters to see what i can adjust.

 

is it a fanuc controller, i should be able to help for the parameter(s) to adjust, just did it on a kitamura hx400 and a doosan dhp400 both from '00, both machines are now a far cry from stock parameters

 

its ridiculousness how some machines are setup

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are you defining your arcs with I J and K or R?

If you are using R, try changing to IJ and K

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...its ridiculousness how some machines are setup...

Often machines are shipped with "worse case scenario" servo settings, meaning MAX weight plus "some". What you call ridiculous, I call safe and designed to not let the machine harm itself. Ever overload a machine by a bunch and run the rapids at 100% Anyone that has knows the endless string of servo alarms that often require shutdown and restart.

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Check out if you have hpcc or any type of ai-nano. Last YCM I ran had G5.1 Q1-5. Always ran it in at least Q1.

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I am kicking it out with I,J,and k and the high speed with G05.1 Q1 Had no luck thus far. also tried breaking arcs at quadrants then 180 then dont break arcs. everything gouged. Am running out of options. And thank you all for your responses. Am going to try YCI tech support.

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Often machines are shipped with "worse case scenario" servo settings, meaning MAX weight plus "some". What you call ridiculous, I call safe and designed to not let the machine harm itself. Ever overload a machine by a bunch and run the rapids at 100% Anyone that has knows the endless string of servo alarms that often require shutdown and restart.

actually i was referring to how some machines bang around at high feedrates and cut corners

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is it a fanuc controller, i should be able to help for the parameter(s) to adjust, just did it on a kitamura hx400 and a doosan dhp400 both from '00, both machines are now a far cry from stock parameters

 

its ridiculousness how some machines are setup

 

Hey Brandon, Yesterday I was trying to see what line of code it was gouging on. I ran the program and waited with my hand on feed hold waiting for it to gouge......It never did. It was the same program that gouged the day before. Now I am baffled. Dont know what to do next.

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Kelly, did you have an operator turning up the feed over ride yesterday? ;)

 

Can you give us a better explanation of where/how it's gouging?

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