Practical Operations Management
2nd Edition
ISBN: 9781939297136
Author: Simpson
Publisher: HERCHER PUBLISHING,INCORPORATED
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Question
Chapter 12, Problem 19P
Summary Introduction
Interpretation:
The number of items present in the processing system.
Concept Introduction:
The number of items per hour
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A supplier of instrument gauge clusters uses a kanban system to control material flow. The gauge cluster housings are transported five at a time. A fabrication center produces approximately 10 gauges per hour. It takes approximately two hours for the housing to be replenished. Due to variations in processing times, management has decided to keep 20 percent of the needed inventory as safety stock. How many kanban card sets are needed?
Tej Dhakar’s company wants to establish kanbans tofeed a newly established work cell. The following data have beenprovided. How many kanbans are needed?Daily demand 250 unitsLead time 12 daySafety stock 14 dayKanban size 50 units
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Chapter 12 Solutions
Practical Operations Management
Ch. 12 - Prob. 1DQCh. 12 - Prob. 2DQCh. 12 - Prob. 3DQCh. 12 - Prob. 4DQCh. 12 - Prob. 5DQCh. 12 - Prob. 6DQCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 4P
Ch. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 11PCh. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 1.1QCh. 12 - Prob. 1.2QCh. 12 - Prob. 1.3QCh. 12 - Prob. 1.4QCh. 12 - Prob. 2.1QCh. 12 - Prob. 2.2QCh. 12 - Prob. 2.3QCh. 12 - Prob. 3.1QCh. 12 - Prob. 3.2QCh. 12 - Prob. 3.3Q
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- In value stream mapping, what does an arrow in the shape of a lightning bolt mean?arrow_forwardAssume that a plant operates 2,000 hours per year and the demand rate for parts is 100,000 units per year. The circulation time for each kanban container is 24 hours. How many kanban containers are needed for a container size of 100 parts? What would be the effect of reducing the container size to 60 parts What is the takt time for this process? What takt time is needed for 80,000 units per year?arrow_forwardUsage at a work center is 300 parts per day, and a standard container holds 25 parts. It takesan average of .12 day for a container to complete a circuit from the time a kanban card isreceived until the container is returned empty. Compute the number of kanban cards (containers) needed if X = .20.arrow_forward
- At a local concert hall, the owner charges $7 per ticket. The owner must pay his band $1200. Every customer receives a brochure that costs the owner $2 for each person. What system would determine when he breaks even?.arrow_forwardBackground: The Toyota Production System (TPS) was developed by the Toyota Motor Corporation in the 1950s as a way to improve productivity and efficiency in their manufacturing processes. The system is based on two main principles: Just-in-Time (JIT) production and Jidoka. JIT production involves producing only what is needed, when it is needed, and in the amount needed. Jidoka is a system of detecting and correcting problems in the manufacturing process as they occur. In the 1970s, Toyota's TPS began to attract attention from other companies who were interested in improving their own manufacturing processes. One of the first companies to adopt the TPS was Vicunha, a Brazilian textile manufacturer. Initiatives and Process Improvement Methods: Vicunha had been struggling with high inventory levels, long lead times, and poor quality. The company's management decided to adopt the TPS and worked closely with Toyota to implement the system. The implementation involved the following…arrow_forwardThe demand for screens for a computer manufacturer is 10,000 per week. The lead time is 5 days, and this manufacturer wants to hold 2 days of safety stock. If the container size of computers is 200, what is the Kanban number? If the lead time improves to 4 days, what is the Kanban number? If the lead time moves out to 6 days and the manufacturer wants 3 days of safety stock, what is the Kanban number?arrow_forward
- Markland First National Bank of Rolla utilizes kanban techniques in its check processing facility. The following information is known about the process. Each kanban container can hold 50 checks and spends 24 minutes a day in processing and 2 hours a day in materials handling and waiting. Finally, the facility operates 24 hours per day and utilizes a policy variable for unforeseen contingencies of 0.25.a. If there are 20 kanban containers in use, what is the current daily demand of the check processing facility?b. If the muda or the waste in the system were eliminated completely, how many containers would then be needed?arrow_forwardGestalt, Inc. uses a kanban system in its automobile production facility in Germany. This facility operates 8 hours per day to produce the Jitterbug, a replacement for the obsolete but immensely popular Jitney Beetle. Suppose that a certain part requires 150 seconds of processing at machine cell 33B and a container of parts average 1.6 hours of waiting time there. Management allows a 10 percent buffer for unexpected occurrences. Each container holds 30 parts, and 8 containers are authorized. How much daily demand can be satisfied with this system?arrow_forwardGestalt, Inc. uses a kanban system in its automobile production facility in Germany. This facility operates 8 hours per day to produce the Jitterbug, a replacement for the obsolete but immensely popular Jitney Beetle. Suppose that a certain part requires 150 seconds of processing at machine cell 33B and a container of parts average 1.6 hours of waiting time there. Management allows a 10 percent buffer for unexpected occurrences. Each container holds 30 parts, and 8 containers are authorized. How much daily demand can be satisfied with this system? (Hint: Recall that r is the average processing time per container, not per individual part.)arrow_forward
- In which ways, if any, are the following systems analogous to kanban: returning empty bottles to the supermarket and picking up filled ones; running a hot dog stand at lunchtime; withdrawing money from a checking account; raking leaves into bags?arrow_forwardIn the "push" system, products are manufactured and stored as buffers in anticipation of demand.Select one:a. Falseb. Truearrow_forwardIn which ways, if any, are the following systems analogous to kanban: returning empty bottles to the supermarket and picking up filled ones; running a hot dog stand at lunch- time; withdrawing money from a checking account; raking leaves into bags?arrow_forward
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