Question: Chapter 3 Average setup time on a certain production machine is 4.0 hours. Average batch size is 48 parts, and average operation cycle time is
Chapter 3
Average setup time on a certain production machine is 4.0 hours. Average batch size is 48 parts, and average operation cycle time is 4.2 min. The reliability of this machine is characterized by mean time between failures of 37 hours and a mean time to repair of 55 min. (a) If availability is ignored, what is the average hourly production rate of the machine. (b) Taking into account the availability of the machine, determine its average hourly production rate.
Solve for:
a: Batch Time = ? minutes
b: Availability A = ? pcs/hr
A=(MTBF-MTTR)/MTBF
Tb = Tsu + Tc
Tp = Th / Q
Group of answer choices
a= 8.52 pc/hr b =7.36 pc/hr
a= 5.52 pc/hr b =7.38 pc/hr
a= 6.15 pc/hr b =10.25 pc/hr
a= 6.52 pc/hr b =6.36 pc/hr
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