I have a Hitachi Seiki V-40. when you try to call up a spindle speed 200 it only runs at a very slow speed, like 25 rpm. If you call up 4000 it changes gears but the speed appears to increase but only to 40 maybe.
I have a Hitachi Seiki V-40. when you try to call up a spindle speed 200 it only runs at a very slow speed, like 25 rpm. If you call up 4000 it changes gears but the speed appears to increase but only to 40 maybe.
Did you check your speed command voltage?