A company produces 4 parts A,B,C, and D in four production lines. Per day ( cons

Question

A company produces 4 parts A,B,C, and D in four production lines. Per day ( consider 8 hours day) requirements for the parts are 1600, 900, 1280, 1800. Production cycle time for the parts are 50 minutes, 45 minutes, one hour, and one hour 10 minutes. Assume Travel time from each line to customer delivery point to be 20 minutes . Safety factor for the processes are 30%, 40%, 25% and 40%. Container sizes for part A: 15, Part B: 12, Part C:30, and Part D : 35. Compute : Number of containers needed for the parts.

Explanation / Answer

Containers needed for part A = Demand (per hour ) * Lead time (hours) * ( 1 + Safety factor ) / Container size

= (1600 / 8) * (50+20)/60 * (1 + 30%) / 15

= 20.2 ~ 20 containers

Containers needed for part B = Demand (per hour ) * Lead time (hours) * ( 1 + Safety factor ) / Container size

= (900 / 8) * (45+20)/60 * (1 + 40%) / 12

= 14.22 ~  14 containers

Containers needed for part C = Demand (per hour ) * Lead time (hours) * ( 1 + Safety factor ) / Container size

= (1280 / 8) * (80/60) * (1 + 25%) / 30

= 8.89 ~ 9 containers

Containers needed for part D = Demand (per hour ) * Lead time (hours) * ( 1 + Safety factor ) / Container size

= (1800 / 8) * (90/60) * (1 + 40%) / 35

= 13.5 ~  14 containers

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