85
Table 5.17 Waiting Time - Maximum Possible Arrival Time
However,
scenario
7,
three
grinding
machines,
has
the
lowest
value
of
waiting
time
with
the average of 0.14
minutes and
maximum of 0.64
minutes. Three
grinding
machines
helps
the process
to
minimize
the waiting time, as
it able
to produce
the
most plastic
flakes
from
raw material 1 compare to other scenario with grinding machine less than three machines.
The highest value of waiting time is scenario 10, additional raw material 2, with total
waiting
time
in
average
of 17.49
minutes
and
maximum of
34.07
minutes.
It
happens
because
the
plastics flakes
from
raw
material
1
and
raw material
2 are
piled
up
in
pelletization process.
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