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Deflection 12365

The document contains measurements of crankshaft deflections in hundredths of a millimeter for 8 cylinders of a main engine aboard the M/S ship name here while in port on date. The measurements are within the maximum allowable deflection of 13 and show minor variations between cylinders in the vertical, horizontal, and combined plots. Engine crankcase temperature was 40°C with a deflection temperature of 0.6°C.

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touihri mariem
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64 views1 page

Deflection 12365

The document contains measurements of crankshaft deflections in hundredths of a millimeter for 8 cylinders of a main engine aboard the M/S ship name here while in port on date. The measurements are within the maximum allowable deflection of 13 and show minor variations between cylinders in the vertical, horizontal, and combined plots. Engine crankcase temperature was 40°C with a deflection temperature of 0.6°C.

Uploaded by

touihri mariem
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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M/S ship name here Date : date when it was done

Suisse Atlantique Port : port where deflection

Crankshaft Deflections
Main Engine

Measurements in 1/100mm Max. allowable deflection: 13


Cylinder # 1 2 3 4 5 6 7 8
x 0 0 0 0 0 0 0 0
Stb 4 2 1 -2 1 -1 0 0
Bottom 3 2 -1 -3 -2 -3 -1 -1
Pt 1 0 -1 2 -2 -1 0 0
y 0 1 2 1 2 0 1 1
Top=(x+y):2 0 0,5 1 0,5 1 0 0,5 0,5

Check up of reading accuracy = Top + Bottom @ Port + Strbd


Top+Btm 3 2,5 0 -2,5 -1 -3 -0,5 -0,5
Port+Stbd 5 2 0 0 -1 -2 0 0

Vertical Plot = bottom - top


Btm-top 3 1,5 -2 -3,5 -3 -3 -1,5 -1,5

Horizontal Plot = Stb - Port


Stb - Port 3 2 2 -4 3 0 0 0

50
40
30
20
03 7,5 10 9 5 -2 -10,5 -20,5
10
03 8 15 18 24 30 36 42
0
-10 1 2 3 4 5 6 7 8 9
-20
-30

Crankcase Temp : 40 ºC
D T : 0,6

Chief Engineer : your name 2nd. Engineer : your name

Form: 220 - revised 10/99

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