Answered: Jackson Fabricators Inc. machines metal…

Managerial Accounting

15th Edition

ISBN:9781337912020

Author:Carl Warren, Ph.d. Cma William B. Tayler

Publisher:Carl Warren, Ph.d. Cma William B. Tayler

Chapter13: Lean Manufacturing And Activity Analysis

Section: Chapter Questions

Problem 6E: Compute lead time Jackson Fabricators Inc. machines metal parts for the automotive industry. Under...

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Compute Lead Time

Jackson 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 40 parts. A part requires 6 minutes in milling and 8 minutes in finishing. The move time between the two operations for a complete batch is 5 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 5 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		min	min
Non-value-added time		min	min
Total lead time		min	min
Value-added ratio (as a percent)		%	%

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