A Facility Is Trying to Set Up an Assembly Line,and

question 9

Essay

A facility is trying to set up an assembly line,and has identified the various tasks,and their relationship to each other,as shown in the following table.Managers wish to produce 600 units per day,working two 8-hour shifts.
(a)Draw a network diagram of precedence relationships.
(b)Compute the required cycle time per unit in seconds.
(c)Compute the minimum number of workstations required to produce 600 units per day.
(d)Balance this line using the longest processing time heuristic.
(e)What is the efficiency of the line obtained in part (d)?

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Definitions:

Cutting Data

Critical information related to machining processes, including but not limited to speeds, feeds, and depths of cut, used to optimize machining operations.

Gear Teeth

The individual protrusions on the rim of a gear that interlock with those on another gear to transmit torque and motion.

Diametral Pitch

A measure of the fineness of the gear teeth, expressed as the number of teeth per inch of the gear's diameter.

Imaginary Circle

A conceptual circle often used in gear design to represent the pitch circle, where the teeth of gears theoretically engage.