Research Article

Optimal Machine Tools Selection Using Interval-Valued Data FCM Clustering Algorithm

Table 3

The machine tools capacity information.

Machine tool codeMachine tool namePart typeFeature typeOuter diameter of feature (mm)Length of part (mm)Machining accuracy (μm)Surface roughness (Ra)

Horizontal CNC lathe 1WheelCylindrical surface250~80085~250±101
Horizontal latheWheelCylindrical surface250~80085~250±101
Horizontal CNC lathe 2WheelCylindrical surface250~80085~250±101
The ground horizontal lathe1WheelCylindrical surface440~80085~250±100.8
Vertical lathe 1WheelCylindrical surface440~1000120~360±201.6
Single pole vertical latheWheelCylindrical surface440~1000120~360±201.6
Vertical lathe 2WheelCylindrical surface300~1000100~300±151.6
Double poles vertical latheWheelCylindrical surface300~1000100~300±151.6
Ultrafine grinding machine 1WheelCylindrical surface250~85050~400±20.4
Vertical CNC lathe 1WheelCylindrical surface400~1600100~500±151.6
Vertical CNC lathe 2WheelCylindrical surface400~1600100~500±151.6
NC external grinding machineWheelCylindrical surface250~100050~460±50.8
Vertical honing machineWheelCylindrical surface250~100050~460±50.8
Vertical grinderWheelCylindrical surface250~100050~460±50.8
Horizontal CNC lathe 3WheelCylindrical surface160~60046~250±51.0
Horizontal CNC lathe 4WheelCylindrical surface240~60046~250±20.8
The ground horizontal lathe 2WheelCylindrical surface240~60046~250±20.8
Ultrafine grinding machine 2WheelCylindrical surface500~1420100~400±20.6