Relatively new to vibration analysis and have been following this forum for a few months. Thanks in advance for all the great information I've gotten just from reading here.
At my facility we have a screw conveyor that is critical to our operation. It has been a problem child for years before I ever joined the company. Both the motor and gearbox were upgraded about 2 years ago to combat quarterly monthly motor failures. However, we are still having issues that appear only 1 to 3 months after installation and become a major issue after 6 to 12 months of run time.
The motor is C-face mounted to the gearbox with some sort of composite bushing that has been thought to be the culprit of the high vibration over the years. I have attached the most recent data that I have taken.
The motor runs about 170F, but where it mounts to the gearbox at the bushing is about 180F, and the gearbox was around 160F.
I am looking for the best solution possible for the long term. We have a scheduled outage in a few weeks and management wants to make sure we don't overload resources changing out more than we need.