I purchased a used 2005 (aprox 9 months old) VF2SS 1 year ago and have been machining the same part since then.
My problem is that during a tool change the machine goes into alarm and stops.
The alarm messages are
102 Servos off
123 Spindle drive fault
105 Z servo error to large.
I've had the local Haas techs out to try to fix it many times. They have added 2 more fans under the controller cards as well as replacing the card itself. The Z drive bearings have also been replaced. After all this the problem is still there.
In the hot weather it shuts down more than in the cold weather. I've had it go down 11 times in a 14 hr day. On average it's 3-4 times per day which is a LOT of down time!! and that is with the electrical cabinet door open and a big fan blowing lots of air inside the cabinet (as per the tech's suggestion). During the winter I can go for days and sometimes weeks without any alarms.
The local tech told me that the program I'm running had too many tool changes for the cycle time. 10 tool changes in aprox 8 minutes.
I have checked with another company locally that has a VF2SS and from what I understood they are running a similar cycle and number of tool changes.
The last time the tech was over I was told they can't do anything more for me. Pretty sad really.
So my question is ....has anyone else experienced this issue on a VF2SS or am I the only lucky one.
FYI the times between tool changes and RPM's are
Tool 1 19 sec 10,000 rpm
Tool 2 125 sec 10,000 rpm
Tool 3 18 sec 10,000 rpm
Tool 4 37 sec 10,500 rpm
Tool 5 42 sec 9,500 rpm
Tool 6 146 sec 10,000 rpm
Tool 7 50 sec 10,000 rpm
Tool 8 10 sec 5,500 rpm
Tool 9 10 sec 700 rpm
Tool 10 11 sec 5,500 rpm
Any comments would be greatly appreciated.