Part X requires operation A and operation B on the SAME MACHINE in sequence (First Operation A then operation B are performed on the same machine). Assume the company will be operating five days per week 8 hours per day. The following information is known: Operation Standard Time Efficiency Reliability Defect Rate A 3 min 95% 95% 2% В 5 min 95% 90% 5% OA = 18 Og = 1000 parts/week Operation A Operation B PA=2% Pg=5% a. In order to produce 1000 units of X in a week units X is scheduled weekly for Operation B (due to 5% scrap ratio) units X is scheduled weekly for Operation A (due to 2% scrap ratio)

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Part X requires operation A and operation B on the SAME MACHINE in sequence (First Operation A then operation
B are performed on the same machine). Assume the company will be operating five days per week 8 hours per day.
The following information is known:
Operation
Standard Time
Efficiency
Reliability
Defect Rate
A
3 min
95%
95%
2%
В
5 min
95%
90%
5%
OA = 18
Og = 1000 parts/week
Operation A
Operation B
PA=2%
Pg=5%
a. In order to produce 1000 units of X in a week
units X is scheduled weekly for Operation B (due to 5% scrap ratio)
_units X is scheduled weekly for Operation A (due to 2% scrap ratio)
b. Based on your answer in part a, find the number of machines required to produce 1000 units of X per week.
The total time required to perform Operation B =
minutes per week
The total time required to perform Operation A =.
minutes per week
H= Available Time in a week =
minutes /week
Thus
FA =
FB =
Since both of the operations A and B are performed on the same machine
machines are required
Transcribed Image Text:Part X requires operation A and operation B on the SAME MACHINE in sequence (First Operation A then operation B are performed on the same machine). Assume the company will be operating five days per week 8 hours per day. The following information is known: Operation Standard Time Efficiency Reliability Defect Rate A 3 min 95% 95% 2% В 5 min 95% 90% 5% OA = 18 Og = 1000 parts/week Operation A Operation B PA=2% Pg=5% a. In order to produce 1000 units of X in a week units X is scheduled weekly for Operation B (due to 5% scrap ratio) _units X is scheduled weekly for Operation A (due to 2% scrap ratio) b. Based on your answer in part a, find the number of machines required to produce 1000 units of X per week. The total time required to perform Operation B = minutes per week The total time required to perform Operation A =. minutes per week H= Available Time in a week = minutes /week Thus FA = FB = Since both of the operations A and B are performed on the same machine machines are required
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