by Jim Anderson | Aug 23, 2023 | Clamp Hubs
Large Vertical Pumps with Large Problems Recently, a power plant had problems with its circulating water pump system. The system was rated at just over 5000 HP, running at 350 RPM. There were some vibration issues along with some other reliability issues. After...
by Jim Anderson | Jun 21, 2023 | Clamp Hubs
Thermal Growth – No Problem Recently a power plant was installing a new coupling after an extended outage. A new pump shaft and element were installed during the outage, and significant work was performed on the turbine. The original distance between shaft ends (DBSE...
by Jim Anderson | Jun 21, 2023 | Clamp Hubs
A CouplingCorp customer came with a problem that can be common. The original shaft attachment device they were using had a set screw to hold it in place on the shaft. Over time the vibrations of the hub on the shaft caused micro fretting between the set screw and the...
by Jim Anderson | Jun 21, 2023 | FLEXXOR Couplings, Reciprocating Compressor
For several years a gas gathering company dealt with high vibrations on the motor driving a 6 throw, 5400 HP reciprocating compressor. Over that time, they made several attempts to reduce the levels, but none were successful. On the output end of the motor, the...
by Jim Anderson | Jun 21, 2023 | FLEXXOR Couplings
A large industrial manufacturer came to Coupling Corp with a low torque application designed to run at 75,000 RPM. This was no problem for the FLEXXOR coupling. But to make things harder, they wanted the coupling to mount on their straight cylindrical shafts. Normally...
