Isaacson Dental Inc. is considering a new lean product cell. The present manufacturing approach produces a product in four separate steps. The production batch sizes are 50 units. The processtime for each step is as follows:Process Step 1Process Step 2Process Step 3Process Step 46 minutes12 minutes9 minutes3 minutesThe time required to move each batch between steps is 6 minutes. In addition, the time to move raw materials to Process Step 1 is also 6 minutes, and the time to move completed units fromProcess Step 4 to finished goods inventory is 6 minutes.The new lean layout will allow the company to reduce the batch sizes from 50 units to 2 units. The time required to move each batch between steps and the inventory locations will be reduced to 1minute. The processing time in each step will stay the same.Determine the value-added, non-value-added, and total lead times, and the value-added ratio under the (a) present and (b) proposed production approaches. If required, round percentages toone decimal place.Present Approach Proposed ApproachValue-added time30 min30minNon-value-added time30 X min5 X minTotal lead time60 X min35 X minValue-added ratio (as a percent)50.0 X %85.7 X %

For Present ApproachFor Proposed ApproachProcess time (value adding) = 30 minutesProcess time (value…

Answered: Isaacson Dental Inc. is considering a…

Financial And Managerial Accounting

15th Edition

ISBN:9781337902663

Author:WARREN, Carl S.

Publisher:WARREN, Carl S.

Chapter27: Lean Manufacturing And Activity Analysis

Section: Chapter Questions

Problem 7E: Calculate lead time Williams Optical Inc. is considering a new lean product cell. The present...

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Calculate lead time Williams Optical Inc. is considering a new lean product cell. The present manufacturing approach produces a product in four separate steps. The production batch sizes are 45 units. The process time for each step is as follows: The time required to move each batch between steps is 5 minutes. In addition, the time to move raw materials to Process Step 1 is also 5 minutes, and the time to move completed units from Process Step 4 to finished goods inventory is 5 minutes. The new lean layout will allow the company to reduce the batch sizes from 45 units to 3 units. The time required to move each batch between steps and the inventory locations will be reduced to 2 minutes. The processing time in each step will stay the same. Determine the value-added, non-value-added, and total lead times, and the value-added ratio under the (A) present and (B) proposed production approaches. (Round percentages to one decimal place.)
A manufacturing cell within a value stream is structured with four processes and associated processing times (for one unit): Molding: 6 minutes Grinding: 5 minutes Polishing: 5 minutes Finishing: 4 minutes How many units can the cell produce per hour (on a continuous running basis)? a. 3 units per hour b. 12 units per hour c. 15 units per hour d. 10 units per hour
Mabbut Company has the following departmental manufacturing layout for one of its plants: A consulting firm recommended a value stream with the following manufacturing cell: Required: 1. Calculate the total time it takes to produce a batch of 10 units using the traditional departmental manufacturing layout. 2. Using cellular manufacturing, how much time is saved producing the same batch of 10 units? Assuming the cell operates continuously, what is the production rate? Which process controls this production rate? 3. Assume the processing time of Welding is reduced to 6 minutes, while the times of the other processes stay the same. What is the production rate now, and how long will it take to produce a batch of 10 units if the cell is in a continuous production mode?
Gumbrecht Company has the following departmental manufacturing layout for one of its plants: A consulting firm has recommended a value stream with the following manufacturing cell: Required: 1. Calculate the total time it takes to produce a batch of 20 units using the traditional departmental manufacturing layout. 2. Using cellular manufacturing, how much time is saved producing the same batch of 20 units? Assuming the cell operates continuously, what is the production rate? Which process controls this production rate? 3. Assume the processing time of Casting is reduced to 9 minutes, while the times of the other processes stay the same. What is the production rate now, and how long will it take to produce a batch of 20 units if the cell is in a continuous production mode?
Use the following information for Exercises 5-44 through 5-46: The following six situations at Diviney Manufacturing Inc. are independent. a. A manual insertion process takes 30 minutes and 8 pounds of material to produce a product. Automating the insertion process requires 15 minutes of machine time and 7.5 pounds of material. The cost per labor hour is 12, the cost per machine hour is 8, and the cost per pound of materials is 10. b. With its original design, a gear requires 8 hours of setup time. By redesigning the gear so that the number of different grooves needed is reduced by 50%, the setup time is reduced by 75%. The cost per setup hour is 50. c. A product currently requires 6 moves. By redesigning the manufacturing layout, the number of moves can be reduced from 6 to 0. The cost per move is 20. d. Inspection time for a plant is 16,000 hours per year. The cost of inspection consists of salaries of 8 inspectors, totaling 320,000. Inspection also uses supplies costing 5 per inspection hour. The company eliminated most defective components by eliminating low-quality suppliers. The number of production errors was reduced dramatically by installing a system of statistical process control. Further quality improvements were realized by redesigning the products, making them easier to manufacture. The net effect was to achieve a close to zero-defect state and eliminate the need for any inspection activity. e. Each unit of a product requires 6 components. The average number of components is 6.5 due to component failure, requiring rework and extra components. Developing relations with the right suppliers and increasing the quality of the purchased component can reduce the average number of components to 6 components per unit. The cost per component is 500. f. A plant produces 100 different electronic products. Each product requires an average of 8 components that are purchased externally. The components are different for each part. By redesigning the products, it is possible to produce the 100 products so that they all have 4 components in common. This will reduce the demand for purchasing, receiving, and paying bills. Estimated savings from the reduced demand are 900,000 per year. 5-44 Nonvalue-Added Costs Refer to the information for Diviney Manufacturing on the previous page. Required: Estimate the nonvalue-added cost for each situation.
A manufacturing cell within a value stream has three processes and the following associated processing times: Drilling: 12 minutes Inserting: 6 minutes Finishing: 2 minutes How many units can the cell produce per hour (on a continuous running basis)? a. 10 units per hour b. 3 units per hour c. 5 units per hour d. 30 units per hour
Use the following information for Exercises 5-44 through 5-46: The following six situations at Diviney Manufacturing Inc. are independent. a. A manual insertion process takes 30 minutes and 8 pounds of material to produce a product. Automating the insertion process requires 15 minutes of machine time and 7.5 pounds of material. The cost per labor hour is 12, the cost per machine hour is 8, and the cost per pound of materials is 10. b. With its original design, a gear requires 8 hours of setup time. By redesigning the gear so that the number of different grooves needed is reduced by 50%, the setup time is reduced by 75%. The cost per setup hour is 50. c. A product currently requires 6 moves. By redesigning the manufacturing layout, the number of moves can be reduced from 6 to 0. The cost per move is 20. d. Inspection time for a plant is 16,000 hours per year. The cost of inspection consists of salaries of 8 inspectors, totaling 320,000. Inspection also uses supplies costing 5 per inspection hour. The company eliminated most defective components by eliminating low-quality suppliers. The number of production errors was reduced dramatically by installing a system of statistical process control. Further quality improvements were realized by redesigning the products, making them easier to manufacture. The net effect was to achieve a close to zero-defect state and eliminate the need for any inspection activity. e. Each unit of a product requires 6 components. The average number of components is 6.5 due to component failure, requiring rework and extra components. Developing relations with the right suppliers and increasing the quality of the purchased component can reduce the average number of components to 6 components per unit. The cost per component is 500. f. A plant produces 100 different electronic products. Each product requires an average of 8 components that are purchased externally. The components are different for each part. By redesigning the products, it is possible to produce the 100 products so that they all have 4 components in common. This will reduce the demand for purchasing, receiving, and paying bills. Estimated savings from the reduced demand are 900,000 per year. 5-46 Type of Activity Management Refer to the information for Diviney Manufacturing on the previous page. Required: For each situation, identify the cost reduction measure: activity elimination, activity reduction, activity sharing, or activity selection.
Healthway uses a process-costing system to compute the unit costs of the minerals that it produces. It has three departments: Mixing, Tableting, and Bottling. In Mixing, at the beginning of the process all materials are added and the ingredients for the minerals are measured, sifted, and blended together. The mix is transferred out in gallon containers. The Tableting Department takes the powdered mix and places it in capsules. One gallon of powdered mix converts to 1,600 capsules. After the capsules are filled and polished, they are transferred to Bottling where they are placed in bottles, which are then affixed with a safety seal and a lid and labeled. Each bottle receives 50 capsules. During July, the following results are available for the first two departments (direct materials are added at the beginning in both departments): Overhead in both departments is applied as a percentage of direct labor costs. In the Mixing Department, overhead is 200 percent of direct labor. In the Tableting Department, the overhead rate is 150 percent of direct labor. Required: 1. Prepare a production report for the Mixing Department using the weighted average method. Follow the five steps outlined in the chapter. Round unit cost to three decimal places. 2. Prepare a production report for the Tableting Department. Materials are added at the beginning of the process. Follow the five steps outlined in the chapter. Round unit cost to four decimal places.
Use the following information for Exercises 5-44 through 5-46: The following six situations at Diviney Manufacturing Inc. are independent. a. A manual insertion process takes 30 minutes and 8 pounds of material to produce a product. Automating the insertion process requires 15 minutes of machine time and 7.5 pounds of material. The cost per labor hour is 12, the cost per machine hour is 8, and the cost per pound of materials is 10. b. With its original design, a gear requires 8 hours of setup time. By redesigning the gear so that the number of different grooves needed is reduced by 50%, the setup time is reduced by 75%. The cost per setup hour is 50. c. A product currently requires 6 moves. By redesigning the manufacturing layout, the number of moves can be reduced from 6 to 0. The cost per move is 20. d. Inspection time for a plant is 16,000 hours per year. The cost of inspection consists of salaries of 8 inspectors, totaling 320,000. Inspection also uses supplies costing 5 per inspection hour. The company eliminated most defective components by eliminating low-quality suppliers. The number of production errors was reduced dramatically by installing a system of statistical process control. Further quality improvements were realized by redesigning the products, making them easier to manufacture. The net effect was to achieve a close to zero-defect state and eliminate the need for any inspection activity. e. Each unit of a product requires 6 components. The average number of components is 6.5 due to component failure, requiring rework and extra components. Developing relations with the right suppliers and increasing the quality of the purchased component can reduce the average number of components to 6 components per unit. The cost per component is 500. f. A plant produces 100 different electronic products. Each product requires an average of 8 components that are purchased externally. The components are different for each part. By redesigning the products, it is possible to produce the 100 products so that they all have 4 components in common. This will reduce the demand for purchasing, receiving, and paying bills. Estimated savings from the reduced demand are 900,000 per year. 5-45 Driver Analysis Refer to the information for Diviney Manufacturing on the previous page. Required: CONCEPTUAL CONNECTION For each situation, identify the possible root cause(s) of the activity cost (such as plant layout, process design, and product design).
Williams Optical Inc. is considering a new lean product cell. The present manufacturing approach produces a product in four separate steps. The production batch sizes are 45 units. The process time for each step is as follows: Process Step 1 5 minutes Process Step 2 8 minutes Process Step 3 4 minutes Process Step 4 3 minutes The time required to move each batch between steps is 5 minutes. In addition, the time to move raw materials to Process Step 1 is also 5 minutes, and the time to move completed units from Process Step 4 to finished goods inventory is 5 minutes. The new lean layout will allow the company to reduce the batch sizes from 45 units to 3 units. The time required to move each batch between steps and the inventory locations will be reduced to 2 minutes. The processing time in each step will stay the same. Determine the value-added, non-value-added, and total lead times, and the value-added ratio under the present and proposed production approaches. If required,…
Williams Optical Inc. is considering a new lean product cell. The present manufacturing approach produces a product in four separate steps. The production batch sizes are 45 units. The process time for each step is as follows:Step Time (in minutes)Process Step 1 5Process Step 2 8Process Step 3 4Process Step 4 3The time required to move each batch between steps is 4 minutes. In addition, the time to move raw materials to Process Step 1 is also 4 minutes, and the time to move completed units from Process Step 4 to finished goods inventory is 6 minutes. The new lean layout will allow the company to reduce the batch sizes from 45 units to 3 units. The time required to move each batch between steps and the inventory locations will be reduced to 2 minutes. The processing time in each step will stay the same. Determine the value-added, non-value-added, and total lead times, and the value-added ratio under the:a. present and b. proposed production approaches. (Round percentages to one decimal…
Williams Optical Inc. is considering a new lean product cell. The present manufacturing approachproduces a product in four separate steps. The production batch sizes are 45 units. The processtime for each step is as follows: Process Step 1 5 minutesProcess Step 2 8 minutesProcess Step 3 4 minutesProcess Step 4 3 minutes The time required to move each batch between steps is 5 minutes. In addition, the time tomove raw materials to Process Step 1 is also 5 minutes, and the time to move completed unitsfrom Process Step 4 to finished goods inventory is 5 minutes.The new lean layout will allow the company to reduce the batch sizes from 45 units to 3 units.The time required to move each batch between steps and the inventory locations will be reducedto 2 minutes. The processing time in each step will stay the same.Determine the value-added, non-value-added, and total lead times, and the value-added ratio under the (a) present and (b) proposed production approaches. Round percentages to one…

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