How many containers should heavey compressors be using

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Reference no: EM133771410

Problem 1. Heavey Compressors uses a lean production assembly line to make its compressors. In one assembly area, the demand is 100 parts per eight-hour day. It uses a container that holds eight parts. It typically takes about six hours to round-trip a container from one work center to the next and back again. Heavey also desires to hold 15 percent safety stock of this part in the system.
A. How many containers should Heavey Compressors be using?
B. Calculate the maximum system inventory for this part.
C. If the safety stock percentage is reduced to zero, how would this impact the number of containers, all else being equal?

Problem 2. Using the information from problem 1, if Heavey desires to reduce their number of containers to eight, how does this impact the system? What has to change, if it is assumed that demand, container size, and safety stock percentage don't change, and what is that change?

Problem 3. Eakins Enterprises makes model boats, and it is switching to a lean manufacturing process. At one assembly area, Eakins is using one part container that holds 250 parts, and it wants the output to be approximately 100 finished parts per hour; they also desire a 10 percent safety stock for this part. How fast will the container have to travel through the system to accomplish this?

Problem 8. Through process measuring a number of pizza delivery times, Mary Jane's Pizzeria finds the mean of all samples to be 27.4 minutes, with an average sample range of 5.2 minutes. They tracked four deliveries per hour for 18 hours to obtain their samples.
A. Is this an example of variable or attribute sampling data?
B. Find the UCL and LCL for both the ??and R charts.

Problem 11. A company collects 20 samples with 100 eggs in each sample. They want to construct a P chart to track the proportion of broken eggs in each sample. The table below shows the number of defective eggs per sample.

Reference no: EM133771410

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