Table 2

Factor levels

Number

Factor

Levels


1

2

3


1

Disposal cost increase factor for EOL products

0.06

0.12

0.18

2

Scrap revenue decrease factor for EOL products

0.06

0.12

0.18

3

Mean demand rate for Drum (components per hour)

8

12

16

4

Mean demand rate for Motor Assembly (components per hour)

8

12

16

5

Mean demand rate for Timer (components per hour)

8

12

16

6

Mean demand rate for Circuit Board (components per hour)

8

12

16

7

Mean arrival rate of EOL DWs (products per hour)

8

16

24

8

Mean arrival rate of EOL Dryers (products per hour)

8

16

24

9

Mean disassembly time for station 1 (minutes)

0.40

0.80

1.20

10

Mean disassembly time for station 2 (minutes)

0.75

1

1.25

11

Mean disassembly time for station 3 (minutes)

0.75

1

1.25

12

Mean disassembly time for station 4 (minutes)

0.75

1

1.25

13

Mean disassembly time for station 5 (minutes)

0.75

1

1.25

14

Backorder cost rate

0.40

0.60

0.80

15

Disassembly cost per minute ($)

0.75

1.5

2.25

16

Testing cost per minute ($)

0.50

0.60

0.70

17

Holding cost rate

0.20

0.30

0.40

18

Weight for Metal Cover of DW (pounds)

4

8

12

19

Weight for Metal Cover of Dryer (pounds)

5

10

15

20

Weight for Drum (pounds)

6

12

18

21

Weight for Motor Assembly (pounds)

5

10

15

22

Weight of other steel components of DW (pounds)

70

90

110

23

Weight of other steel components of Dryer (pounds)

80

100

120

24

Price for Drum ($)

30

50

70

25

Price for Motor Assembly ($)

40

60

80

26

Price for Timer ($)

20

40

60

27

Price for Circuit Board ($)

25

50

75

28

Disposal cost per pound ($)

0.40

0.50

0.60

29

Steel scrap revenue per pound ($)

0.20

0.25

0.30

30

Maximum inventory level

6

12

18

31

Small component weight factor

0.05

0.10

0.15

32

Probability of a non-functional Drum

0.12

0.24

0.36

33

Probability of a non-functional Motor Assembly

0.12

0.24

0.36

34

Probability of a non-functional Timer

0.12

0.24

0.36

35

Probability of a non-functional Circuit Board

0.12

0.24

0.36

36

Probability of a missing Drum

0.06

0.12

0.18

37

Probability of a missing Motor Assembly

0.06

0.12

0.18

38

Probability of a missing Timer

0.06

0.12

0.18

39

Probability of a missing Circuit Board

0.06

0.12

0.18


Ilgin et al. Journal of Remanufacturing 2011 1:7   doi:10.1186/2210-4690-1-7

Open Data