Professional Image Briefcases is an exclusive producer ofhandcrafted, stylish cases. The company assembles eachcase with care and attention to detail. This laborious processrequires the completion of the six primary work elementslisted here.a. Construct a precedence diagram for the manufacturingof briefcases.b. Compute the flow time required for assembling onebriefcase and the cycle time necessary to assemble 50cases in a 40-hour week.c. Balance the line and compute its efficiency.d. How would you change the line to produce 80 casesper week? Work Element Precedence Time (min)A Tan leather — 30B Dye leather A 15C Shape case B 10D Mold hinges and fixtures — 5E Install hinges and fixtures C, D 10F Assemble case E 10
Professional Image Briefcases is an exclusive producer of
handcrafted, stylish cases. The company assembles each
case with care and attention to detail. This laborious process
requires the completion of the six primary work elements
listed here.a. Construct a precedence diagram for the manufacturing
of briefcases.
b. Compute the flow time required for assembling one
briefcase and the cycle time necessary to assemble 50
cases in a 40-hour week.
c. Balance the line and compute its efficiency.
d. How would you change the line to produce 80 cases
per week?
Work Element Precedence Time (min)
A Tan leather — 30
B Dye leather A 15
C Shape case B 10
D Mold hinges and fixtures — 5
E Install hinges and fixtures C, D 10
F Assemble case E 10
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