VF 0 Spindle problems - CNCzone.com-The Largest Machinist Community on the net!

ali203joe · #1 06-25-2007, 10:53 PM

Just had my VF0 give me a bunch of trouble. As it goes to up to speed (3000 rpm) it seems to take a longer time to get up to rpm. and as it comes back down from rpm it errors out and gives a spindle overheating, overload error....ect It also seems to make a hollow cluck noises when it gains rpm and again when it slows back down. please help

HuFlungDung · #2 06-26-2007, 12:20 AM

Start with the basics. Can you revolve the spindle readily by hand?

Does this machine have a gearbox?

Did it make the noise while running normally at 3000 rpm, or did it only begin making the noise after starting up?

ali203joe · #3 06-26-2007, 01:01 AM

It still revolves. It has a gear box and it did during start up

HAILINHAAS · #4 06-26-2007, 09:14 AM

VF-0's don't have gearbox. VF-1B or VF-2B has gearbox.

Your delta/wye switch in the control cabinet could of gone bad.

ali203joe · #5 06-26-2007, 12:00 PM

It is a 2 speed, thought it was controlled by a gear box but may be something else

ali203joe · #6 06-26-2007, 05:17 PM

could this possibly be spindle bearings

HAILINHAAS · #7 06-26-2007, 05:20 PM

Turn the spindle by hand with E-stop on. If it moves freely .. I doubt it's bearings.

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