- Need Help!- x shift Mori Seiki JR mill
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x shift Mori Seiki JR mill
hi
i got a Mori Seiki JR mill
just recently i got out of the blue x shifts that happen randomly
some days i get nothing all works well then without any reason the x axes shifts by about .01"
not so critical when i do the first side of a part but when i work on the second side the shift will create scrap parts
also what i noticed is
when the shift happens and i send the machine home in x i get an over travel alarm which persists even when i try multiple times
but when i shut the machine down and do a restart it finds the home no problem
any ideas
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Re: x shift Mori Seiki JR mill
I have had this problem on a machine that had a combination of fanuc ac servos and glass scales. The ref return dog was set improperly, causing it to jump grid. This would happen only on startup and it would jump the marker pulse with, about .125 . On a machine without scales and during operation I think it points to a bad pulsecoder.
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Re: x shift Mori Seiki JR mill
thanks
will look into that pulse-coder
do you know if they are repairable?
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Re: x shift Mori Seiki JR mill
replaceable yes. repairable, meh
I have successfully replaced fanuc yellow cap motor encoders with these. I will get the exact item number I bought and post it Optical Rotary Encoders | AutomationDirect
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Re: x shift Mori Seiki JR mill
- Need Help!- x shift Mori Seiki JR mill
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