Tutorial $3$: Lead time estimation

A manufacturing company produces semi$-$finished automobile components. The company receives parts to process as per the given schedule. The objective is to find the time to satisfy the order and the utilization of resources. The manufacturing assembly comprises of $5$ work centres which are used to manufacture the components. The production material flow diagram is given below. Consider manual handling of the part at each station. Find:

$3\mathrm{.}1$ Time taken to complete the processing of the order quantity.

$3\mathrm{.}2$ Utilization of resources.

$3\mathrm{.}3$ Give suggestions for the improvement of the line.

Machine Name

Processing Time

Order Number

Order Arrival Time

Quantity

$0$

$5$

$50$

$15$

$60$

$10$

Machine $1$

$7$ min

$50$

$20$

$5$

$120$

$30$

Machine $2$

$4$ min

$150$

$35$

Machine $3$

$8$ min

$210$

$10$

Machine $4$

$4$ min

B

$300$

$25$

$9$

$390$

Machine $5$

$2$ min

$10$

$480$

$15$