WÄRTSILÄ WARTSILA32, Руководство по эксплуатации продукта, Страница: 214 / 254

PTO shaft connected to L
[mm]
D4
[mm]
D3
[mm]
D2
[mm]
D1
[mm]
Rating
1)
[kW]
Engine
extension shaft with support bearing 650 260 300 200 200 4500 In-line
engines
coupling, max weight at distance L = 900 kg 700 260 300 200 200 4500
coupling, max weight at distance L = 800 kg 775 260 300 200 200 4500
extension shaft with support bearing 800 260 300 200 200 5000 V-engines
flexible coupling, max weight at distance L = 390 kg 1070 260 300 200 200 3500
1)
PTO shaft design rating, engine output may be lower
17.5 Input data for torsional vibration calculations
A torsional vibration calculation is made for each installation. For this purpose exact data of
all components included in the shaft system are required. See list below.
Installation
● Classification
●
Ice class
●
Operating modes
Reduction gear
A mass elastic diagram showing:
●
All clutching possibilities
●
Sense of rotation of all shafts
●
Dimensions of all shafts
●
Mass moment of inertia of all rotating parts including shafts and flanges
●
Torsional stiffness of shafts between rotating masses
●
Material of shafts including tensile strength and modulus of rigidity
●
Gear ratios
●
Drawing number of the diagram
Propeller and shafting
A mass-elastic diagram or propeller shaft drawing showing:
● Mass moment of inertia of all rotating parts including the rotating part of the OD-box, SKF
couplings and rotating parts of the bearings
● Mass moment of inertia of the propeller at full/zero pitch in water
●
Torsional stiffness or dimensions of the shaft
●
Material of the shaft including tensile strength and modulus of rigidity
●
Drawing number of the diagram or drawing
Main generator or shaft generator
A mass-elastic diagram or an generator shaft drawing showing:
●
Generator output, speed and sense of rotation
●
Mass moment of inertia of all rotating parts or a total inertia value of the rotor, including
the shaft
●
Torsional stiffness or dimensions of the shaft
17-4 Wärtsilä 32 Product Guide - a21 - 7 September 2016
Wärtsilä 32 Product Guide 17. Power Transmission