Question
Flint Fabricators Inc. machines metal parts for the automotive industry. Under the traditional manufacturing approach, the parts are machined through two processes: milling and finishing.
Flint Fabricators Inc. machines metal parts for the automotive industry. Under the traditional manufacturing approach, the parts are machined through two processes: milling and finishing. Parts are produced in batch sizes of 85 parts. A part requires 2 minutes in milling and 7 minutes in finishing. The move time between the two operations for a complete batch is 8 minutes.
Under the lean philosophy, the part is produced in a cell that includes both the milling and finishing operations. The operating time is unchanged; however, the batch size is reduced to 6 parts and the move time is eliminated.
Determine the value-added, non-value-added, and total lead times, and the value-added ratio under the traditional and lean manufacturing methods. If required, round percentages to one decimal place.
Traditional Philosophy | Lean Manufacturing Philosophy | |||
Value-added time | fill in the blank 1 | min | fill in the blank 2 | min |
Non-value-added time | fill in the blank 3 | min | fill in the blank 4 | min |
Total lead time | fill in the blank 5 | min | fill in the blank 6 | min |
Value-added ratio (as a percent) | fill in the blank 7 | % | fill in the blank 8 | % |
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