b. Mantle
Index of Fit Sxy =
= 61885.4571 Sxx =
= 53425152 Syy =
= 76.8750 Index of Fit r :
r = = 0.9657
N Ti
FTi Yi = LN[1-
FTi] Ti
2
Yi
2
Ti.Yi
1 2208
2208 0.0614
-0.0634 4875264
0.0040 2
3120 2088
0.1491 -0.1615
4359744 0.0261
3 2088
2184 0.2368
-0.2703 4769856
0.0731 4
3024 2280
0.3246 -0.3924
5198400 0.1540
5 2184
2472 0.4123
-0.5315 6110784
0.2825 6
2472 3024
0.5000 -0.6931
9144576 0.4805
7 2280
3048 0.5877
-0.8861 9290304
0.7851 8
4152 3120
0.6754 -1.1253
9734400 1.2663
9 3048
3288 0.7632
-1.4404 10810944
2.0746 10
3816 3816
0.8509 -1.9030
14561856 3.6214
11 3288
4152 0.9386
-2.7903 17239104
7.7857
Total 31680
31680 -10.2572
96095232 16.5531
Universitas Sumatera Utara
c. Fan Belt
Index of Fit Sxy =
= 41663.6372 Sxx =
= 53697024 Syy =
= 48.0601 Index of Fit r :
r =
= 0.8201 N
Ti FTi
Yi = LN[1- FTi]
Ti
2
Yi
2
Ti.Yi
1 2016 0.0745
-0.0774 4064256
0.0060 -156.0115
2 2400 0.1809
-0.1995 5760000
0.0398 -478.7745
3 3456 0.2872
-0.3386 11943936
0.1147 -1170.2091
4 3528 0.3936
-0.5002 12446784
0.2502 -1764.8591
5 3792 0.5000
-0.6931 14379264
0.4805 -2628.4141
6 4008 0.6064
-0.9324 16064064
0.8693 -3736.9665
7 4200 0.7128
-1.2475 17640000
1.5562 -5239.3232
8 4344 0.8191
-1.7101 18870336
2.9244 -7428.5938
9 4536 0.9255
-2.5974 20575296
6.7464 -11781.7367
Total 32280
-8.2962 121743936
12.9874 -34384.8885
Universitas Sumatera Utara
d. Cutting Ring
Index of Fit Sxy =
= 43903.5366 Sxx =
= 33002496 Syy =
= 76.8750 Index of Fit r :
r =
= 0.8716 N
Ti FTi
Yi = LN[1- FTi]
Ti
2
Yi
2
Ti.Yi
1 1800 0.0614
-0.0634 3240000
0.0040 -114.0653
2 2664 0.1491
-0.1615 7096896
0.0261 -430.2026
3 2760 0.2368
-0.2703 7617600
0.0731 -746.0013
4 2880 0.3246
-0.3924 8294400
0.1540 -1130.0919
5 2928 0.4123
-0.5315 8573184
0.2825 -1556.2491
6 3000 0.5000
-0.6931 9000000
0.4805 -2079.4415
7 3072 0.5877
-0.8861 9437184
0.7851 -2721.9482
8 3168 0.6754
-1.1253 10036224
1.2663 -3564.8887
9 3288 0.7632
-1.4404 10810944
2.0746 -4735.9089
10 3768 0.8509
-1.9030 14197824
3.6214 -7170.4479
11 3816 0.9386
-2.7903 14561856
7.7857 -10647.7402
Total 33144
-10.2572 102866112
16.5531 -34896.9856
Universitas Sumatera Utara
e. Bearing