A die forge press operates an average of 1000 hr/yr. Under a minimal repair concept, machine...
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A die forge press operates an average of 1000 hr/yr. Under a minimal repair concept, machine failures generated a nonhomogeneous Poisson process having the following intensity function with 1 measured in operating hours: (t) = .000039110.7. When the machine has failed, the repair time is lognormal with med 7.0 hours and a shape parameter of .8. (a) What is the average (inherent) availability over a 5-yr operating life of the machine? (b) If a 12-hr PM is performed, restoring the die forge to as-good-as-new condition, every 6 months, what is the achieved availability over a PM cycle? A die forge press operates an average of 1000 hr/yr. Under a minimal repair concept, machine failures generated a nonhomogeneous Poisson process having the following intensity function with 1 measured in operating hours: (t) = .000039110.7. When the machine has failed, the repair time is lognormal with med 7.0 hours and a shape parameter of .8. (a) What is the average (inherent) availability over a 5-yr operating life of the machine? (b) If a 12-hr PM is performed, restoring the die forge to as-good-as-new condition, every 6 months, what is the achieved availability over a PM cycle?
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a Average inherent availability over 5 years Operating hoursyear 1000 hr... View the full answer
Related Book For
Financial Accounting and Reporting a Global Perspective
ISBN: 978-1408076866
4th edition
Authors: Michel Lebas, Herve Stolowy, Yuan Ding
Posted Date:
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