C:\PROGRAM FILES\SHAFTMASTER 2.32\DEMO\DEMO.SDB (Demo Project)
Shaft alignment calculation \ Direct

Date: 04.10.2006 Time: 18:35:39

1. SHAFTLINE PARAMETERS IN OPERATION

Initial bearing Offsets in reference to the stern tube axis

Table 1.1

Bearing Offset, mm point 6 0.000 point 15 0.000 point 24 -7.755 point 35 -22.130 point 36 -31.415

Safe alignment tolerance: ± 0.100, mm

Shaftline principal parameters in operation

Table 1.2

Bearing load, kN N Permissible Loads HL_1_1 HL_1_2 Min Max 6 15 24 56.000 20.000 20.000 556.000 210.000 210.000 125.946 36.851 74.232 67.890 96.611 87.792 Load onto prime mover shaft flange F+G M кН кН*м 70.632 7.211 55.368 -47.211 Stress at the stress check points, MPa 13 19 31 25.978 36.369 36.369 14.534 10.548 1.025 16.664 9.706 5.340

Displacement influence Numbers, kN/mm

Table 1.3

Bearing K j,i 6 15 24 6 -10.804 24.350 -17.722 15 24.350 -62.705 60.115 24 -17.722 60.115 -96.613

Load alteration influence Numbers, kN/kN

Table 1.4

Bearing T j,i 6 15 24 6 1.000 -2.254 1.640 15 -0.388 1.000 -0.959 24 0.183 -0.622 1.000

2. PROPELLER SHAFT

Initial bearing Offsets in reference to the stern tube axis

Table 2.1

Bearing Offset, mm point 6 0.000 point 15 0.000

Bearing Loads

Table 2.2

Bearing Load, kN Perm.interval,kN Correction factor Jack load, kN point 6 97.297 - - - point 15 80.070 - 1.060 75.508

Offsets of the stern tube axis related to the reference line

- at the aftermost target	-23.48, mm
- at the forward target	-10.28, mm

Propeller shaft offset in reference to stern tube axis

- at the forward face of stern tube

0.02, mm

3. SHAFTLINE DECOUPLED FROM
PRIME MOVER

Initial bearing Offsets in reference to the stern tube axis

Table 3.1

Bearing Offset, mm point 6 0.000 point 15 0.000 point 24 -7.755 point 30 -17.949

Disconnection 0.083 mm occurs at the point 15




Bearing Loads

Table 3.2

Bearing Load, kN Perm.interval,kN Correction factor Jack load, kN point 6 161.290 156.059-166.521 - - point 15 0.000 -14.402-14.402 0.990 0.000 point 24 65.091 50.607-79.575 0.979 66.515 point 30 85.775 - - -

Stress at the stress check points

Table 3.3

Point Bending Stress, MPa Permis. -> max ,MPa 5 14.494 25.978 9 11.354 36.369 13 -0.186 36.369

Displacement influence Numbers, kN/mm

Table 3.4

Bearing K j,i 6 15 24 30 6 -10.798 24.319 -17.108 3.587 15 24.319 -62.546 56.915 -18.688 24 -17.108 56.915 -70.575 30.768 30 3.587 -18.688 30.768 -15.667

Load alteration influence Numbers, kN/kN

Table 3.5

Bearing T j,i 6 15 24 30 6 1.000 -2.252 1.584 -0.332 15 -0.389 1.000 -0.910 0.299 24 0.242 -0.806 1.000 -0.436 30 -0.229 1.193 -1.964 1.000

Sag and Gap at the prime mover flange

SAG =	0.002, mm
GAP =	-0.262, mm
Angularity =	-0.242, mm/m

4. FULLY ASSEMBLED SHAFTLINE

Initial bearing Offsets in reference to the stern tube axis

Table 4.1

Bearing Offset, mm point 6 0.000 point 15 0.000 point 24 -7.755 point 35 -22.130 point 36 -31.415

Disconnection 0.250 mm occurs at the point 15




Bearing Loads

Table 4.2

Bearing Load, kN Perm.interval,kN Correction factor Jack load, kN point 6 159.231 153.935-164.528 - - point 15 0.000 -14.741-14.741 0.990 0.000 point 24 98.111 80.638-115.585 0.968 101.339

Load onto prime mover shaft flange

Table 4.3

Force, kN Moment, kN*m 54.813 -47.974

Stress at the stress check points

Table 4.4

Point Bending Stress, MPa Permis. -> max ,MPa 5 14.042 25.978 9 10.783 36.369 13 5.392 36.369

Bearing adjustments stress influence Numbers, MPa/mm

Table 4.5

Bearing Ks j,i 6 15 24 6 2.373 1.060 0.395 15 -5.349 -1.769 -2.060 24 3.893 0.139 9.555

Note: Reference line coincides with engine rotation axis

5. SAG & GAP AT THE OPEN SHAFT FLANGE CONNECTIONS

Initial bearing Offsets in reference to the stern tube axis

Table 5.1

Bearing Offset, mm point 6 0.000 point 15 0.000 point 24 -7.755 point 30 -17.949 point 35 -22.130 point 36 -31.415

Bearing Loads

Table 5.2

Bearing Load, kN Perm.interval,kN Correction factor Jack load, kN point 6 97.297 - - - point 15 80.070 - 0.989 80.957 point 24 115.160 - 0.943 122.107 point 30 19.630 - - -

SAG & GAP at the open flange connections

Table 5.3

Flange point S A G mm G A P mm 18 1.912 -3.808 33 -0.229 -0.546

Appendix

Signs Convention