Table 11 Case Data Table.

From: Multi skill project scheduling optimization based on quality transmission and rework network reconstruction

Activity ID

Activity name

Preceding activities

Duration (Days)

Required skills

Quality weight \(({\alpha }_{j})\)

1

Project Initiation

 

0

  

2

3D Modeling Design

1

10

S1: CAD Engineering (0.9)

 

3

Casting Mold Procurement

1

8

S2: Supply Chain Management (0.8)

 

4

Gear Casting

2,3

12

S3: Casting Technology (0.7)

\({\alpha }_{2}=0.6\)

\({\alpha }_{3}=0.3\)

5

Heat Treatment

4

6

S4: Heat Treatment Control (0.8)

\({\alpha }_{4}=0.7\)

6

Precision Gear Grinding

5

15

S5: CNC Machining (0.9)

\({\alpha }_{5}=0.8\)

7

Housing Stamping

3

10

S6: Stamping Operations (0.7)

\({\alpha }_{3}=0.5\)

8

Assembly

6,7

8

S7: Assembly Calibration (0.8)

\({\alpha }_{6}=0.6\)

\({\alpha }_{7}=0.3\)

9

Durability Testing

8

7

S8: Testing Engineering (0.9)

\({\alpha }_{8}=0.9\)

10

Project Delivery

9

0

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