A twelve-station in-line assembly machine has an ideal cycle time = 10 sec. The base part isautomatically loaded prior to the first station, and components are added at each of the stations.The fraction defect rate at each of the ten stations isq = 0.01, and the probability that a defect willjam is m = 0.6. When a jam occurs, the average downtime is 3.0 min. Cost to operate the assemblymachine is $90.00/hr. Cost of components being assembled is $0.60 per unit assembly. Other costsare ignored. Determine (a) average production rate (asby/hr) of all assemblies, (b) yield of goodassemblies, (c) average production rate of good product (asby/hr), (d) uptime efficiency of theassembly machine (%), and (e) cost per unit ($/unit).

From the given question the following points can be deduced: The ideal time cycle is 10 secs The…

are ignored. Determine (a) average production rate (asby/hr) of all assemblies, (b) yield of good assemblies, (c) average production rate of good product (asby/hr), (d) uptime efficiency of the assembly machine (%), and (e) cost per unit ($/unit).

are ignored. Determine (a) average production rate (asby/hr) of all assemblies, (b) yield of good assemblies, (c) average production rate of good product (asby/hr), (d) uptime efficiency of the assembly machine (%), and (e) cost per unit ($/unit).

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question

A twelve-station in-line assembly machine has an ideal cycle time = 10 sec. The base part is
automatically loaded prior to the first station, and components are added at each of the stations.
The fraction defect rate at each of the ten stations isq = 0.01, and the probability that a defect will
jam is m = 0.6. When a jam occurs, the average downtime is 3.0 min. Cost to operate the assembly
machine is $90.00/hr. Cost of components being assembled is $0.60 per unit assembly. Other costs
are ignored. Determine (a) average production rate (asby/hr) of all assemblies, (b) yield of good
assemblies, (c) average production rate of good product (asby/hr), (d) uptime efficiency of the
assembly machine (%), and (e) cost per unit ($/unit).

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