MRP Material Requirement Planning Product Tree Recorded Lecturehttps

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MRP: Material Requirement Planning Product Tree

MRP: Material Requirement Planning Product Tree

Recorded Lecture-https: //youtu. be/yty. TDHVE 2 t. A Product Tree MRP, Product Tree, A.

Recorded Lecture-https: //youtu. be/yty. TDHVE 2 t. A Product Tree MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 2

Example 1. Product Structure Tree- Quantities Determine the quantities of B, C, D, E,

Example 1. Product Structure Tree- Quantities Determine the quantities of B, C, D, E, and F to produce one unit of A Level 0 1 2 D (3) A B (2) C E E (2) F (2) 3 E (4) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 3

Example 1. Determine the quantities of B, C, D, E, and F to produce

Example 1. Determine the quantities of B, C, D, E, and F to produce one unit of A Level 0 1 A B (2) 2 D (3*2=6) C E(1*2=2) E (2*1=2) F (2*1=2) 3 E (4*6=24) A(1), B(2). C, D(6), B, C, D, E(28), and F (2) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 4

Example 2 Determine the quantities of these components that we need to order or

Example 2 Determine the quantities of these components that we need to order or assemble to satisfy demand of 10 A. Inventory: B=4, C=10, D=8, E=60, F=0 Level 0 1 2 D (3) A(10) B (2) C E E (2) F (2) 3 E (4) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 5

Example 2 10 A. Inventory: B=4, C=10, D=8, E=60, F=0 10 A. Inventory: B=0,

Example 2 10 A. Inventory: B=4, C=10, D=8, E=60, F=0 10 A. Inventory: B=0, C=0, D=8, E=60, F=0 Level 0 1 2 D (3) A(10) B (10 2 -4=16) E C(10 1 -10=0) E (2) F (2) 3 E (4) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 6

Example 2 10 A. Inventory: B=0, C=0, D=8, E=60, F=0 10 A. Inventory: B=0,

Example 2 10 A. Inventory: B=0, C=0, D=8, E=60, F=0 10 A. Inventory: B=0, C=0, D=0, E=44, F=0 Level 0 1 A(10) B (16) 2 D (16 3 -8=40) E (16 1 -60=-44? ) C(0) E (0) F (0) 3 E (16 4 -? ) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 7

Example 2 10 A. Inventory: B=0, C=0, D=0, E=44, F=0 Level 0 1 2

Example 2 10 A. Inventory: B=0, C=0, D=0, E=44, F=0 Level 0 1 2 D (40) A(10) B (16) C(0) E (0) F (0) 3 E (40 4 -44)=116 MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 8

Example 2 Level 0 1 A(10) B (16) 2 D (40) C(0) E (0)

Example 2 Level 0 1 A(10) B (16) 2 D (40) C(0) E (0) F (0) 3 E (116) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. 9

Example 3. Item A B C D E F G Inventory On Hand 0

Example 3. Item A B C D E F G Inventory On Hand 0 10 10 25 12 30 5 For 20 units of the end item, how many additional units of each item is required Level 0 1 2 A(20) B (2) E (2) H 0 F(3) C G (2) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. D(3) E (2) H (4) E (2) 10

Example 3 Item Inv. On. Hand A 0 0 B 10 0 C 10

Example 3 Item Inv. On. Hand A 0 0 B 10 0 C 10 0 D 25 0 Level 0 1 2 F 30 30 G 5 5 H 0 0 A B (20*2 -10 = 30) E (2) E 12 12 F(3) C(20*1 -10=10) G (2) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. E (2) D(20*3 -25=35) H (4) E (2) 11

Example 3 Item Inv. On. Hand A 0 0 B 0 0 C 0

Example 3 Item Inv. On. Hand A 0 0 B 0 0 C 0 0 D 0 0 E 12 0 Level 0 B (30) E (30*2 -12) =48 Item Needed G 5 0 H 0 0 A 1 2 F 30 0 End 20 C(10) F(30*3 -30=60) B 30 C 10 G (10*2 -5=15) D 35 MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. E 138 D(35) E (10*2=20) H (35*4=140) F 60 G 15 E (35*2=70) H 140 12

Example 4 15 units of A is needed. Inventory is as follows A=2, B=60,

Example 4 15 units of A is needed. Inventory is as follows A=2, B=60, C=11, D=19 How many of each part do we need A C(2) B(4) D(2) E D(3) B(2) D(2) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. E 13

Example 4 Inventory Beginning A=2 B=60 C=11 D=19 A(15 -2= 13) B(4 13 -60=-8)

Example 4 Inventory Beginning A=2 B=60 C=11 D=19 A(15 -2= 13) B(4 13 -60=-8) D(2 0 = 0) E(1 0 = 0) C(2 13 -11=15) D(3 15 -19=26) B(2 15 -8=22) D(2 22 =44) MRP, Product Tree, A. Asef-Vaziri, Systems & Operations Management. E(1 22 =22) 14

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