MAN Prospekt
Transcript of MAN Prospekt
2005/04/10 < 1>© MAN B&W Diesel AG
MAN B&W DIESEL
2005/04/10 < 2>© MAN B&W Diesel AG
PRODUCT
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MAN B&W Diesel
© MAN B&W Diesel AG
The Large-bore Medium-speed Engine Family
Technically convincing and successful around the globe in the power range of between 3,000 and 21,600 kW
Products
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© MAN B&W Diesel AG
Technical Data, Marine Engines
Engine type 32/40 40/54 40/50 48/60B 58/64
Cylinder bore [mm] 320 400 400 480 580
Piston stroke [mm] 400 540 500 600 640
No. ofCylinders
6, 7, 8, 9, 1012,14,16,18,20 6, 7, 8, 9 12, 14, 16,
18, 206, 7, 8, 9
12, 14, 16, 18 6, 7, 8, 9
Cylinder output [kW] 500 720/700 750 1,200 1,400/1,310
Speed [rpm] 750/720 550/514/500 600 514/500 428/400
Mean piston speed[rpm] 10.0/9.6 9.9/9.25/9.0 10.0 10.3/10.0 9.1/8.5
Mean effect. pressure [bar] 24.9/25.9 23.1/24.8 23.9 25.8/26.5 23.2/23.2
Fuel cons.85% MCR [g/kWh]
L: 179V: 179 181 176 175
173 173
Products
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9L58/64 Four-stroke Engine
Output: 12,600 kW at 428 rpm
L58/64 Product
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DESIGN
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L58/64 Cross Section
L58/64 Design
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© MAN B&W Diesel AG 2004/10/21 < 2 >
MAN B&W Diesel
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L58/64 Optimised Turbocharger
The new TCA55/TCA66 design, leading to:
efficiency
Higher overall
Excellent part load
behaviour
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L58/64 Turbocharger on Coupling Side
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L58/64 Turbocharger on CouplingSide with New Rocker Arm Gear
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L58/64 New CombustionChamber Geometry
Unhindered atomisation of the injection jet, leading to:
improved designL58/64 L58/64
Improved fuel air mixture
Less combustion residues (reduced soot formation)
Reduced fuel consumption
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L58/64 Engine Frame
Features
Easy to maintain
Great stiffness, well-suited for crankshaftand support
L58/64 Design
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L58/64 Machining the Engine Frame
L58/64 Design
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L58/64 Cylinder Liner
Features
Optimised cooling
Low deformation design
Fire ring and stepped piston prevent bore polishing
L58/64 Design
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Cylinder Liner
Comparison of new cylinder liner with fire ring and standard cylinder liner
with fire ring standard version
Design
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Cylinder Liner
Installation of a fire ring
Precludes, in connection with the stepped piston, the so-called bore polishing
L58/64 Design
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L58/64 Fuel Injection Valve
Features
For optimum injection
Long TBOs
L58/64 Design
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L58/64 Fuel Injection Pump
Features
Low wear rate
For optimum injection pressures
Possibility to adjust injection timing
L58/64 Design
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Adjustment of Injection Timing
Easy adaption to different fuel grades
Optimal combustion
Optimisation of fuel consumption
L58/64 Design
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L58/64 Piston
Features
Long service life of piston rings
Constant low lube oil consumption
Stepped piston and fire ring prevent bore polishing
L58/64 Design
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© MAN B&W Diesel AG
L58/64 Piston
L58/64 Design
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L58/64 Connecting Rod
Features
Extremely low piston removal height
Crankpin bearing remains closed when piston is removed
L58/64 Design
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Resilient Mounting
3060
3360
Inclined resilient mounting for increased comfort requirement
Resilient conical mounting for standard comfort requirement
L58/64 Design
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L58/64 Resilient Mounting
Structure borne sound velocity in vertical direction on 8L58/64
L58/64 Design
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Engines with Direct Resilient Mounting
L+V32/40 235 engines
L40/54 61 engines
L+V48/60 169 engines
L58/64 76 engines
Total 540 engines
Status: July 2004
Design
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MAINTENANCE
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Ease of Maintenance
Time for removal resp. installation of various components
L40/54 L+V48/60B L58/64
Man Time (h) Man Time (h) Man Time (h)
Fuel injection valve 1 0.5 1 0.5 1 0.5
Fuel injection pump 1 2.0 1 3.0 1 2.0
Cylinder head 2 2.0 2 2.0 2 2.0
Piston 2 1.5 2 2.0 2 1.5
Cylinder liner 2 1.0 2 1.5 2 1.0
Main bearing 2 4.0 2 4.0 2 4.0
Big-end bearing 2 2.0 2 2.0 2 2.0
The values stated are for guidance only Status 11/05
Maintenance
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L58/64 Ease of Maintenance
Redesigned rocker arm housing
One part rocker arm casing and charge air pipe section made of cast iron leads to reduced maintenance work
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L58/64 Ease of Maintenance
New concept of rocker arm gear
Reduced maintenancework for rocker arms and rocker casing
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L58/64 Ease of Maintenance
New concept of rocker arm gear
Rocker arm axial bearingreplaced by two sphericalbearings
Reduced number ofmoving parts
Quick and easy dismantlingand reassembly
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L58/64 Ease of Maintenance
Quick-acting seal on the exhaust gas piping
L58/64 Maintenance
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L58/64 Ease of Maintenance
Few hydraulic tools for all essential screw connections
L58/64 Maintenance
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L58/64 Ease of Maintenance
Few hydraulic tools for all essential screw connections
L58/64 Maintenance
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L58/64 Ease of Maintenance
Hydraulic tools for crankshaft bearing
L58/64 Maintenance
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L58/64 Ease of Maintenance
Hydraulic tools for big-end bearing
L58/64 Maintenance