OPERATIONS MANAGEMENT (LL)-W/ACCESS
17th Edition
ISBN: 9781260037821
Author: CACHON
Publisher: MCG
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Chapter 8, Problem 7PA
Summary Introduction
To determine: The number of Kanban containers needed to support this system.
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The welding department supplies parts to the final assembly line. Management decides to implement a kanban system and has collected the following data:
The daily demand is 2000 units.
The production lead time is 4 days (this includes processing time, transport time, and waiting time).
Management has decided to have 1 day of safety stock.
One container fits 400 units.
How many kanban containers will be needed to support this system?
DataSpan, Inc., automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations.
Month
1
2
3
4
Throughput time (days)
?
?
?
?
Delivery cycle time (days)
?
?
?
?
Manufacturing cycle efficiency (MCE)
?
?
?
?
Percentage of on-time deliveries
91
%
86
%
83
%
79
%
Total sales (units)
3,210
3,072
2,915
2,806
Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months:
Average per Month (in days)
1
2
3
4
Move time per unit…
DataSpan, Inc., automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations.
Month
1
2
3
4
Throughput time (days)
?
?
?
?
Delivery cycle time (days)
?
?
?
?
Manufacturing cycle efficiency (MCE)
?
?
?
?
Percentage of on-time deliveries
92
%
87
%
84
%
81
%
Total sales (units)
2060
1972
1871
1800
Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months:
Average per Month (in days)
1
2
3
4
Move time per unit
0.7…
Chapter 8 Solutions
OPERATIONS MANAGEMENT (LL)-W/ACCESS
Ch. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Prob. 4CQCh. 8 - Prob. 5CQCh. 8 - Prob. 6CQCh. 8 - Prob. 7CQCh. 8 - Prob. 8CQCh. 8 - What are the two pillars of the Toyota Production...Ch. 8 - Prob. 10CQ
Ch. 8 - Prob. 11CQCh. 8 - Prob. 12CQCh. 8 - Prob. 13CQCh. 8 - Prob. 14CQCh. 8 - Prob. 15CQCh. 8 - Prob. 16CQCh. 8 - Prob. 17CQCh. 8 - Prob. 18CQCh. 8 - Prob. 19CQCh. 8 - A company makes two models, A and B. Which of the...Ch. 8 - Prob. 21CQCh. 8 - Prob. 22CQCh. 8 - Prob. 23CQCh. 8 - Prob. 24CQCh. 8 - Prob. 25CQCh. 8 - Prob. 26CQCh. 8 - Prob. 1PACh. 8 - Prob. 2PACh. 8 - Prob. 3PACh. 8 - Prob. 4PACh. 8 - Prob. 5PACh. 8 - Prob. 6PACh. 8 - Prob. 7PACh. 8 - Prob. 8PACh. 8 - Prob. 9PACh. 8 - Prob. 10PA
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- DataSpan, Incorporated, automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations. Month 1 2 3 4 Throughput time (days) ? ? ? ? Delivery cycle time (days) ? ? ? ? Manufacturing cycle efficiency (MCE) ? ? ? ? Percentage of on-time deliveries 81% 77% 74% 71% Total sales (units) 3180 3044…arrow_forwardDataSpan, Incorporated, automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations. Month 1 2 3 4 Throughput time (days) ? ? ? ? Delivery cycle time (days) ? ? ? ? Manufacturing cycle efficiency (MCE) ? ? ? ? Percentage of on-time deliveries 92% 87% 84% 81% Total sales (units) 2,060 1,972 1,871 1,800 Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months: Average per Month (in days) 1 2 3 4 Move time per unit 0.7 0.4 0.5 0.5 Process time per unit…arrow_forwardDataSpan, Incorporated, automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations. Month 1 2 3 4 Throughput time (days) ? ? ? ? Delivery cycle time (days) ? ? ? ? Manufacturing cycle efficiency (MCE) ? ? ? ? Percentage of on-time deliveries 92% 87% 84% 81% Total sales (units) 2,060 1,972 1,871 1,800 Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months: Average per Month (in days) 1 2 3 4 Move time per unit 0.7 0.4 0.5 0.5 Process time per unit…arrow_forward
- 16-8. Sandy is asked to produce 250 squidgets an hour. It takes30 minutes to receive the necessary material from the previous workstation. Each output container holds 25 squidgets.The factory currently works with a safety factor of 10%.How many kanbans should be circulating between Sandy’sprocess and the previous process?16-9. Referring to Problem 16-8, what happens to the number ofkanbans and to inventory levels in each case?a. The time required to receive material is increased to 45minutes.b. Output expectations decrease to 125 squidgets an hour.c. The size of the container is cut to 10 squidgets.arrow_forwardOperations Management Hinge Manufacturing Company employs a Kanban system for a component part. The daily demand is 900 hinges. Each container has a wait time of 0.05/day and a processing time of 0.37 days. The Container size is 60 hinges and the safety factor (a) is 10%. A: How many Kanban card sets should be authorized? B: What is the maximum inventory of this hinge in the system?arrow_forwardIt takes Aaron 15 minutes to produce 10 widgets to fill acontainer and 5 minutes to transport the container to thenext station, where Maria works. Maria’s process takesabout 30 minutes. The factory uses a safety factor of 20%.Currently, five kanbans rotate between Aaron and Maria’sstations. What is the approximate demand for widgets?arrow_forward
- An assembly station is asked to process 100 circuit boards per hour. It takes 20 minutes to receive the necessary com- ponents from the previous workstation. Completed circuit boards are placed in a rack that will hold 10 boards. The rack must be full before it is sent on to the next worksta- tion. If the factory uses a safety factor of 10%, how many kanbans are needed for the circuit board assembly process?arrow_forwardWhenever a Six Sigma project is undertaken, the project team's concentration must be effectively controlled to ensure optimal Six Sigma deployment. (a) Six Sigma project consists of FOUR high-order focal elements. Explain each of the components along with distinctive examples. (b) Operational definitions (ODs), data collection plans, and data collecting forms are all strategies that can aid the Lean Six Sigma (LSS) team in the data collection process. Using relevant examples, describe these processes.arrow_forwardAn assembly station is asked to process 100 circuit boards per hour. It takes 20 minutes to receive the necessary components from the previous work station. Completed circuit boards ae placed in a rack that will hold 10 boards. The rack must be full before it is sent on to the next work station. If the factory uses a safety factor of 10%, how many kanbans are needed for the circuit board assembly process?arrow_forward
- review the concepts of a pull versus a push production system. How are these related to MRP and Kanban?arrow_forwardAn assembly station is asked to process 100 circuit boards per hour. It takes 20 minutes to receive the necessary components from the previous workstation. Completed circuit boards are placed in a rack that will hold 10 boards. The rack must be full before it is sent on to the next workstation. If the factory uses a safety factor of 10%, how many kanbans would be needed in each case? (Round answers to 0 decimal places, e.g. 25.) a. Demand is increased to 200 circuit boards per hour. How many kanbans? b. The lead time for components is increased to 30 minutes. How many kanbans? c. The rack size is halved. How many kanbans? d. The safety factor is increased to 20%. How many kanbans?arrow_forwardMeritor is so pleased with the outcome from previous suggestions that the consultants are invited back for more work. The consultants now suggest a more complete robotic automation of the making of muffler assemblies and also a reduction in container size to eight per container. Meritor implements these suggestions and the result is that the muffler assembly fabrication cell now averages approximately 32 assemblies per hour, and the catalytic converter assembly cell can now respond to an order for a batch of catalytic converters in one hour. The safety stock remains at 12.5 percent. How many kanban cards are needed? (Answer in Appendix D)arrow_forward
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