[cncmachineshop]

Hi,

I am trying to cut a hex on my Okuma Captain L370-MW sub spindle with a live tool end mill. The code works perfectly on the main spindle but keeps giving me an (MCS Diff Over) alarm on the sub spindle. I am wondering if I am missing a code to make it work on the sub. Any body know how to solve this problem. I have posted the code I am using. Please help.


G0 X20. Z20.
M5
G50 S2500 T1232
G50 SB=2200
M146
M110
M146 M16
G0 X1.100 Z1.75 C30. T1232 SB=2000 M13
M216
VLMON[12]=30
G94 Z1.0 F25.
G101 C330. F10.
C270.
C210.
C150.
C90.
C30.
VLMON[12]=0
M215
G0 X20. Z20.
M12
G95 M109
M1

[budgieW]

MCS-Diff Over usually means too much load on the spindle. Take a smaller cut or slow down the feed

[deputydawg]

I don't see anything wrong with the code. I usually use a G95, and feed in "inches per rev" so I don't have to do the math to see how many inches per minute I should be feeding. F10 might be slow on an actual mill, but that may be too much on the lathe.

[OkumaWiz]

Which axis is the Diff over related to? If it is the Sub spindle, then BudgieW is right and your load is too high. It appears that your are taking a 3/4" depth of cut, what are the loads on your axes? What size tool are you using?

Have you checked clearances to make sure you are not hitting / rubbing anywhere? I've seen that way too many times causing the Diff over alarm exactly when it should...

Best regards,