e. Fan Belt
Index of Fit Sxy
=
= 12 -38695.4712 – 32400-11.2402 = 100163.7655
Sxx
= = 12 96932736 – 32400
2
= 113432832 Syy
= = 12 18.3592 – -11.2402
2
= 93.9684 Sehingga Index of Fit
r = = 0.9702
N Ti
FTi Yi = LN[1-FTi]
Ti
2
Yi
2
Ti.Yi
1 1608 0.0565
-0.0581 2585664
0.0034 -93.4371
2 1848 0.1371
-0.1475 3415104
0.0217 -272.4926
3 1896 0.2177
-0.2456 3594816
0.0603 -465.6018
4 1968 0.2984
-0.3544 3873024
0.1256 -697.4069
5 2040 0.3790
-0.4765 4161600
0.2270 -972.0113
6 2448 0.4597
-0.6156 5992704
0.3789 -1506.9617
7 2856 0.5403
-0.7772 8156736
0.6041 -2219.7697
8 3072 0.6210
-0.9701 9437184
0.9412 -2980.2515
9 3168 0.7016
-1.2094 10036224
1.4626 -3831.2641
10 3264 0.7823
-1.5244 10653696
2.3239 -4975.7875
11 3360 0.8629
-1.9871 11289600
3.9484 -6676.5492
12 4872 0.9435
-2.8744 23736384
8.2620 -14003.9375
Total 32400
-11.2402 96932736
18.3592 -38695.4712
Universitas Sumatera Utara
f. Bearing
Index of Fit Sxy
=
= 9 -33459.0499 – 32880-8.2962 = 28353.3880
Sxx
= = 9 122863104 – 32880
2
= 24673536 Syy
= = 9 12.9874 – -8.2962
2
= 48.0601 Sehingga Index of Fit
r = = 0.8234
N Ti
FTi Yi = LN[1-FTi]
Ti
2
Yi
2
Ti.Yi
1 2712 0.0745
-0.0774 7354944
0.0060 -209.8726
2 2712 0.1809
-0.1995 7354944
0.0398 -541.0151
3 3504 0.2872
-0.3386 12278016
0.1147 -1186.4620
4 3744 0.3936
-0.5002 14017536
0.2502 -1872.9117
5 3792 0.5000
-0.6931 14379264
0.4805 -2628.4141
6 3912 0.6064
-0.9324 15303744
0.8693 -3647.4583
7 3984 0.7128
-1.2475 15872256
1.5562 -4969.8723
8 4200 0.8191
-1.7101 17640000
2.9244 -7182.3420
9 4320 0.9255
-2.5974 18662400
6.7464 -11220.7016
Total 32880
-8.2962 122863104
12.9874 -33459.0499
Universitas Sumatera Utara
4. Distribusi Weibull
a. Move Jaw
Sxy =
= 13-50.2944 – 101.0080-6.9200 = 45.1501
Sxx
= = 13 785.6466 – 101.0080
2
= 10.7895 Syy
= = 13 19.2459 – -6.9200
2
= 202.3096 Sehingga Index of Fit r
= = 0.9664
N ti
Ti = LNti FTi
Yi = LN{- LN[1-FTi]}
Ti
2
Yi
2
Ti.Yi
1 1488
7.3052 0.0522 -2.9252
53.3658 8.5569
-21.3693 2
1536 7.3369 0.1269
-1.9976 53.8306
3.9902 -14.6560
3 1680
7.4265 0.2015 -1.4916
55.1536 2.2249
-11.0775 4
2232 7.7107 0.2761
-1.1297 59.4542
1.2762 -8.7108
5 2400
7.7832 0.3507 -0.8395
60.5786 0.7047
-6.5339 6
2448 7.8030 0.4254
-0.5905 60.8872
0.3487 -4.6079
7 2472
7.8128 0.5000 -0.3665
61.0396 0.1343
-2.8635 8
2664 7.8876 0.5746
-0.1569 62.2140
0.0246 -1.2376
9 2712
7.9054 0.6493 0.0466
62.4960 0.0022
0.3683 10
2712 7.9054 0.7239
0.2523 62.4960
0.0636 1.9942
11 2784
7.9316 0.7985 0.4713
62.9110 0.2221
3.7378 12
3096 8.0379 0.8731
0.7249 64.6073
0.5256 5.8270
13 3504
8.1617 0.9478 1.0825
66.6127 1.1717
8.8347
Total 31728
101.0080 -6.9200 785.6466
19.2459 -50.2944
Universitas Sumatera Utara
b. Toggle Plate
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