Discuss the below:
Q: Machining part XYX requires 3 operations in order to meet the customer requirement for 5000 parts per week. What would be the number of machines required to meet the customer requirement if the company operates 5 days a week and 15 hours per day, if:
|
Operation
|
Standard Time
(mins)
|
Efficiency
|
Reliability
|
Defect Rate
|
|
1
|
2
|
95%
|
95 %
|
2%
|
|
2
|
4
|
95 %
|
90%
|
2%
|
|
3
|
7
|
95 %
|
90 %
|
4%
|
If the Plant manager wants PM to be performed on all machines after processing lots of 250 parts, how would this affect the number of machines required ?