Maurice Tutor

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    Nov-2005 - Oct-2011

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Category > Management Posted 01 Nov 2017 My Price 8.00

LightEdge Technologies

4.    LightEdge Technologies would like to put in place an assembly line in its Mexican facility that puts together Internet servers. The tasks needed to accomplish this, including times and predecessor relationships, are as follows:

 

 
 


times, and precedence relationships for each line follows. The director has determined that each line needs to process 150 returns a day. The director has asked you to develop a proposed layout that would be shared across the lines.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a.  

 

TASK

TIME (MINUTES)

IMMEDIATE PREDECESSOR

A

2.9

None

B

0.2

None

C

0.25

A, B

D

0.4

A, B

E

1.7

C

F

0.1

C, D

G

0.7

D

H

1.7

E, F, G

I

1.2

H

J

2.3

I

K

2.7

I

L

1.5

J, K

 
 

(*) Draw a precedence diagram for the tasks. Suppose the takt time is 240 seconds (four minutes). What is the theoretical minimum number of workstations?

b.  (**)  Develop  workstation  assignments  using  the “largest eligible task” rule (i.e., assign the largest task that will fit into the workstation without exceeding the takt time).

c.   (**) How many workstations does your solution require? What is the cycle time for the line? What is the idle time?

Answers

Maurice Tutor
(5)
Status NEW Posted 01 Nov 2017 02:11 PM My Price 8.00

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