Some of the assembly operations require subcomponents that need to be ordered from outside and the number of sub-assembly components (W, X, Y and Z) needed for 14 assembly operations are given in Table 1. Acceptable ordering practices (fixed, variable or lot-for-lot) and lead times for the sub-assembly components are shown in the Table 1 and the MRP tree for these sub-assembly components (W, X, Y, and Z) is given in Figure  (attached). (a) Draw the feeder lines of components needed for each part of the assembly elements and show the arrangement of feeding components for assembly using the information in Table 1.

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Some of the assembly operations require subcomponents that need to be ordered from outside and the number of sub-assembly components (W, X, Y and Z) needed for 14 assembly operations are given in Table 1. Acceptable ordering practices (fixed, variable or lot-for-lot) and lead times for the sub-assembly components are shown in the Table 1 and the MRP tree for these sub-assembly components (W, X, Y, and Z) is given in Figure  (attached).

(a) Draw the feeder lines of components needed for each part of the assembly elements and show the arrangement of feeding components for assembly using the information in Table 1.

Table 1. Feeding components needed for assembly operations
Leadtime
Sub-assembly Ordering
Component
Number of sub-assembly components needed for assembly operations
7
8
practice
(day)
1
2
3
4
5
6
9
10
11
12
13
14
W
LFT
F=200
2
1
1
2
3
1
1
Y
LFT
2
1
2
3
1
V=300
1
1
1
1
1
1 of 2
W
(0,2,1)
Y
Part #
(0,3,1)
F=200
(0,2,3)
LFT
(1о, L, N)
Lot size
Io: Beginning Inventory
L= Leadtime, and
N: Number of components needed for a parent product.
Z
(0,1,2)
V=300
Figure 2. MRP Tree for feeding components
Transcribed Image Text:Table 1. Feeding components needed for assembly operations Leadtime Sub-assembly Ordering Component Number of sub-assembly components needed for assembly operations 7 8 practice (day) 1 2 3 4 5 6 9 10 11 12 13 14 W LFT F=200 2 1 1 2 3 1 1 Y LFT 2 1 2 3 1 V=300 1 1 1 1 1 1 of 2 W (0,2,1) Y Part # (0,3,1) F=200 (0,2,3) LFT (1о, L, N) Lot size Io: Beginning Inventory L= Leadtime, and N: Number of components needed for a parent product. Z (0,1,2) V=300 Figure 2. MRP Tree for feeding components
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