Cornerstone Exercise 13.2 (Algorithmic) MCE Craig, Inc., has provided the follow

Question

Cornerstone Exercise 13.2 (Algorithmic) MCE Craig, Inc., has provided the following information for one of its products for each hour of production: Actual velocity: 200 units (per hour) Move time: 13 minutes Inspection time: 14 minutes Rework time: 13 minutes Required: 1. Calculate MCE. If required, round your answer to two decimal places. 2. What is the theoretical cycle time? Calculate MCE using actual and theoretical cycle times. If required, round your answers to two decimal places. Theoretical cycle time minutes Actual cycle time minutes MCE 3. What if waste is reduced by 35 percent? New waste = minutes What is the new MCE? If required, round your answer to two decimal places. What is the new cycle time? minutes

Explanation / Answer

given

Actual velocity: 200 units (per hour)

Move time: 13 minutes

Inspection time: 14 minutes

Rework time: 13 minutes

1)

MCE = process time / process time + move time + Inspection time + Rework time

process time = 60 - 13 - 14 - 13

= 20

MCE = 20 / 20 + 13 + 14 + 13

MCE = 0.333

2)

theoritical cycle time = process time / velocity

= 20 / 200

actual cycle time = 60 / 200

MCE = theoritical cycle time X actual cycle time

MCE = 20 / 200 X 60 / 200

MCE = 20/60

MCE = 0.333

3 )

new waste time = 0.65 X ( 13 +14 +13 )

= 26

MCE = 20 / 20 + 26

MCE = 0.434

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