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condition monitoring

Boiler Water Chemistry Control: Preventive vs. Reactive Maintenance  

Any number of impurities can cause scaling and corrosion in boilers unless properly controlled. But even with properly-treated makeup, boilers require internal treatment to minimize corrosion and other problems. The high-temperatures and pressures in boilers magnify chemical reactions and corrosion mechanisms. This installment examines important boiler water treatment concepts.

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Back to Basics: Understanding Reliability Block Diagrams (RBD)

Reliability Block Diagrams have been around for a very long time, helping system engineers understand how the various elements, and their relationships, could impact the overall reliability and operation of the system. Taking the effort to diagram a system logically can provide great insight into where the weak links are. In some cases, an RBD can expose that your assumed redundancies are not actually as effective as you think they are. 

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Maintenance Apps for Smartphones

Nowadays most everyone has a powerful computer in their pocket, their phone.  Many of us are using them in maintaining our plants. Whether you are neutral or a devotee of the iPhone or Android devices, I think it’s safe to say we have only just scratched the surface of possibilities for using our smartphones to maintain our plants. Just think about how good it is to always have a great camera in your pocket with pictures viewable instantly. Does anybody remember the hassle of film? Waiting days to find out if an image was captured and how well it looked.

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The Power of Single Minute Exchange of Dies (SMED)

There is an ongoing debate on the Superfactory web forum concerning SMED (Single Minute Exchange of Dies) as developed by Shigeo Shingo, and in particular about Shingo’s influence on Toyota. As someone who had the privilege of meeting Shingo a few times before his death in 1991 and who has taught Single Minute Exchange of Dies for 15 years, I would like to give my view on the importance of the SMED process.

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