i have a hardinge superslant 3 axis lathe. now this job i run used to work but the last couple of years we've had problems. i have to make a part that is 5.5" long with a 5/8-11 thread on the entire length, with a pitch diameter of .55 +,-,.005". i'm centerdrilling the end then my live center just touches until it starts to turn, then moves in .015" more for support. but now it gives me drive faults and blows fuses on that axis drive. must be too much pressure. i really need to use the live center to hold tolerance on that length of part. any suggestions. please and thankx.