Compute Lead Time Bhojraj 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 30 parts. A part requires 7 minutes in milling and 9 minutes in finishing. The move time between the two operations for a complete batch is 4 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 2 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 Non-value-added time Total lead time Value-added ratio (as a percent) X min X min min % min min min %

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Compute Lead Time
Bhojraj 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 30 parts. A part
requires 7 minutes in milling and 9 minutes in finishing. The move time between the two operations for a complete batch
is 4 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 2 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
Non-value-added time
Total lead time
Value-added ratio (as a percent)
X min
X min
min
%
min
min
min
%
Transcribed Image Text:Compute Lead Time Bhojraj 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 30 parts. A part requires 7 minutes in milling and 9 minutes in finishing. The move time between the two operations for a complete batch is 4 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 2 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 Non-value-added time Total lead time Value-added ratio (as a percent) X min X min min % min min min %
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