My Easyturn lathe has size 34 stepper drives. Servo size 34 had a different flange diameter so it looks as if hybrid stepper drives are the easy option. Unlike the servos which were mains ac voltage, the steppers are 24v dc or 80v ac. Does it make a difference which input type is used?

Steppers: motor 86BYGH4118EC-1000+ driver 2HSS86