by Staff Writer | Feb 8, 2013 | Control Systems, CSI, Wiring and Electricity, Yaskawa VFDs
THE MYSTERY A packaging manufacturing company called ACES as one of their paper machines had broken two felts in short order. The felt is a strip that carries the paper pulp, threading it through a long and complex series of rollers to squeeze out the water. The...
by Staff | Jul 26, 2012 | Aircraft, Control Systems, CSI, Furnaces and Ovens, Yaskawa VFDs
THE MYSTERY An aircraft parts manufacturer had an aluminum heat treat oven that wasn’t meeting its surveys. The customer surmised that what the oven needed was more airflow, and they called ACES to make the adjustment. THE CLUES The fan was running 500 rpm, and being...
by Staff | Jul 19, 2012 | Control Systems, CSI, Yaskawa VFDs
THE MYSTERY One of ACES’ customers closed their factory in Utah and moved all of the equipment to Kansas in order to set up a line manufacturing synthetic twine. The system included a PLC processor and six DC variable speed drives (VSDs) and their attendant DC motors...
by Staff Writer | May 30, 2012 | Control Systems, CSI, Wiring and Electricity, Yaskawa VFDs
Sometimes swapping an old VFD for a new one is harder than it looks, like when the old drive is much larger and heavier than the new one. Here, the ACES CSI (Control Systems Investigator solved both hardware and software challenges.
by Staff Writer | Mar 7, 2011 | Control Systems, CSI, Motion Control, Yaskawa VFDs
THE MYSTERY The depalitizing elevator of a local bottling plant stopped working, bringing production to a halt. The case of the non-lifting hoist. THE CLUES Upon examination the ACES Control Systems Investigator found that the depalitizer hoist which lifts the bottles...
by Staff Writer | Mar 29, 2010 | Aircraft, Control Systems, CSI, Yaskawa VFDs
THE MYSTERY A Yaskawa 515 variable frequency drive at a local aerospace company wasn’t starting. The VFD had been working correctly until suddenly stalling in its tracks. THE CLUES Upon arriving on the scene the CSI immediately recognized that the VFD run light was...
