14Oct
14Oct
MCC Cabinet Inspection with Ultrasound Condition Monitoring
The Motor Control Centre is a very important component of industrial electrical infrastructure. By providing control & protection to electric motors and other production assets, a healthy MCC cabinet improves the efficiency, reliability, and safety of a facility. Figure 1: Ultrasound TWF & FFT captured by...
06Oct
Ultrasonic Detection of Arcing in a Motor Terminal Box
Found by Gilles Lanthier Reported by Tristan Rienstra Figure 1: Motor Terminal Box Reliable electrical connections are a critical part of electric motor reliability. Inside the terminal box, incoming supply conductors connect to motor leads. For safe and reliable operation, secure connections, sound insulation and effective grounding are...
04Aug
Automated Lubrication, Guided by Bearing Condition
Machinery lubrication is one of the most important actions taken by maintenance and reliability teams to protect and prolong the life of their bearings. But it is also one of the easiest to get wrong. Traditional lubrication programs often rely on time-based schedules with grease being...
22Jul
Case Study: Finding Dangerous Invisible Steam Leaks… and More with Acoustic Imaging – SonaVu™
Have you ever been inside a pulp and paper factory? What about the dryer section of a paper machine? It’s loud and it’s dark! The noises from the paper manufacturing process resonate around the dryer making it extremely difficult to pinpoint the source of any...
09Jul
How Ultrasound and Vibration Helped Detect Bearing Fluting on a VFD-Driven AC Motor
Air Compressor VFD BPFO The SDT Ultrasound Solutions’ Partnered Ultrasound Team often uses two condition monitoring technologies to cover a wider range of asset defects & to fully diagnose everything they monitor. On one of their condition monitoring routes, they found a ball pass frequency outer race...
07Jul
Continuously Monitoring a Critical Centrifuge Bearing with Ultrasound and Vibration at Greenfield Ethanol
A centrifuge uses centrifugal forces, generated at high RPMs to separate solids and liquids. At Greenfield Ethanol, they use centrifuges in their manufacturing processes. They are critical to their operations. This centrifuge in question rotates at 5250RPM, and it has a suspected bad bearing. The following...
30Jun
Protecting a National Treasure with Ultrasound – July 4th Edition
The American Flag is easily the most recognizable national symbol in the world. To the American people, the Star- Spangled Banner evokes a universal feeling of patriotism, courage, and resilience. The Story of the First Flag Contrary to popular belief surrounding the stitching of the first American...
24Jun
Finding Common Coupling Failures with Ultrasound Predictive Maintenance Equipment
Non-Intrusively Inspect Couplings with Airborne Ultrasound Couplings connect the shafts of rotating equipment and transfer power while providing flexibility for inaccuracies in shaft alignment and absorbing shock loads. They’re an essential component for most motor assemblies found in most manufacturing environments. Common coupling maintenance practices include visual...
22Jun