Calculate Lead Time Williams Optical Inc. is considering a new lean product cell. The present manufacturing approach pro

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Calculate Lead Time Williams Optical Inc Is Considering A New Lean Product Cell The Present Manufacturing Approach Pro 1 (52.66 KiB) Viewed 48 times

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 56 units. The process time for each step is as follows: Process Step 1 7 minutes Process Step 2 5 minutes Process Step 3 4 minutes Process Step 4 9 minutes The time required to move each batch between steps is 16 minutes. In addition, the time to move raw materials to Process Step 1 is also 16 minutes, and the time to move completed units from Process Step 4 to finished goods inventory is 16 minutes. The new lean layout will allow the company to reduce the batch sizes from 56 units to 3 units. The time required to move each batch between steps and the inventory locations will be red ced to 3 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, round percentages to one decimal place. Present Approach Proposed Approach min min Value-added time. min. min Non-value-added time min min Total lead time % % Value-added ratio (as a percent)