Determine the average lead time for all four part styles (hours, 2 decimal points).
Determine the average lead time for all four part styles (hours, 2 decimal points).
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Transcribed Image Text:A machine shop is tasked with processing five different products in four workstations, and operates 40 hours
per week. Part-mix ratios, batch quantities, part routings, machines, servers, and production times are given in
the table below for the five part styles produced in the shop. Part production times include an allowance for
setup time that is based on the batch quantity for each part style. Production records indicate that the average
nonproductive time associated with each operation is 10 hrs. Operation sequence for each part style is in the
order of station number. Part styles are identified by letter and stations are identified by number.
Determine the average lead time for all four part styles (hours, 2 decimal points).
Part style (j)
A
B
D
Part mix ( p;)
0.25
0.20
0.10
0.20
0.25
Batch quantity ( Qb)
25
19
19
20
27
Stations (i)
Servers ( s;)
ТрА (hr)
Трв (hr)
Трс (hr) Tро (hr)
ТРЕ (hr)
1
1
0.27
0.36
0.14
0.17
2
1
0.46
0.45
0.26
0.11
3
1
0.44
0.17
0.17
0.25
4
1
0.28
0.13
0.26
0.26
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