4.1 Power transmission
4.1.1 Coupling between engine and gearbox
ÀÊ>ÊÌÞ«iÃÊvÊ«>ÌÃÊÌ iÊi}iÃÊÜÊLiÊiµÕ««i`ÊÜÌ ÊyiÝLiÊy>}iÊVÕ«}ð
The guardsÊvÀÊÌ iÊyiÝLiÊVÕ«}ÃÊà Õ`ÊLiÊvÊ«iÀvÀ>Ìi`Ê«>ÌiÊÀÊ}À>Ì}ÃÊÌÊiÃÕÀiÊ>Ê«ÌÕÊ heat dissipation (yard supply).
Mass moments of inertia
Speed [rpm]
Engine * Q}ÔR
ÞÜ ii
Q}ÔR
Total Q}ÔR 6 M 25 C
720/750
135
220
355
8 M 25 C 205 425
9 M 25 C 215 435
* Running gear with balance weights and vibration damper
Selection of flexible couplings
/ iÊV>VÕ>ÌÊvÊÌ iÊVÕ«}ÊÌÀµÕiÊvÀÊ>ÊVÕ«}ÃÊÃÊV>ÀÀi`ÊÕÌÊ>VV°ÊÌÊÌ iÊvÜ}ÊvÀÕ>°
P
0 [kW]
T Q RÊUÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊUÊ°xx n
0 [min-1] P0 Engine output
n0 Engine speed
T Ê >ÊÌÀµÕiÊvÊÌ iÊVÕ«}ÊÊÌ iÊV>Ì>}
For installations with a gearbox PTO it is recommended to oversize the PTO coupling by factor 1.5 in order to have sufficient safety margin in the event of misfiring.
Contents
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54 M 25 C Propulsion - 04.2012
4. Connecting parts engine
Flywheel and flexible coupling
Power Speed >Ê ÌÀµÕiÊvÊ coupling
/Þ«iÊ6Õ>Ê,>Ì, Weight
-âi d £Ê4) ÓÊ3) 1) 2)
[kW] [rpm] Q R Rato-R [mm] [mm] [mm] [kg] [kg]
6 M 25 C 2,000 750 31.5 ÊÓÈÓÊ<,
800 594 309 333 352
8 M 25 C 2,666 750 40.0 G 262 TR
9 M 25 C 3,000 750 45.0 G 262 YR
1) without torsional limit device
2) with torsional limit device
3) length of hub
4) alignment control (recess depth 5 mm) -«>ViÊvÀÊ"ÊLÝÊÌÊLiÊVÃ`iÀi`t
Õ«}ÃÊvÀÊÌÜÊÀÕ``iÀÊ«À«iiÀÊ >ÛiÊÌÊLiÊ`iÃ}i`ÊÜÌ Ê>ÊÃÕ««iiÌ>ÀÞÊÌÀµÕiÊvÊxäʯ°
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4. Connecting parts engine
4.1.2 Power take-off
/ iÊ*/"ÊÕÌ«ÕÌÊÈ]ÊnÊ>`ÊÊÊÓxÊÊÃÊiµÕ>ÊÌÊÌ iÊi}iÊÕÌ«ÕÌ°
/ iÊViVÌÊÀiµÕÀiÃÊ>Ê } ÞÊyiÝLiÊVÕ«}]ÊÌÞ«iÊ6Õ>ÊvÊÃÕ««i`ÊLÞÊ>ÌiÀ«>ÀÊÌÀi®°
Ê VL>ÌÊ } ÞÊ yiÝLiÊ VÕ«}Ê ÉÊ VÕÌV ®Ê ÜÊnot be supplied by Caterpillar Motoren. The weight force of the clutch cannot be absorbed by the engine and must be borne by the succeeding machine.
The coupling hub is to be adapted to suit the PTO shaft journal.
The definite coupling type is subject to confirmation by the torsional vibration calculation.
X Y <
1,000 kW 100 170 1,320
2,700 kW 157 240 1,320
Contents
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56 M 25 C Propulsion - 04.2012
4. Connecting parts engine
4.1.3 Voith propeller drive, rudder-propeller-drive
All components after flex. coupling are not supplied by Caterpillar Motoren!
All components after flex. coupling are not supplied by Caterpillar Motoren!
P/n [kW/rpm]
A [mm]
B [mm]
6 M 25 C 2.7 1,823 1,261
8 M 25 C 3.6 1,823 1,261
9 M 25 C 4.0 1,823 1,261
B Is valid for Vulkan Rato-couplings
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4. Connecting parts engine
4.1.4 Data for torsional vibration calculation
Details to be submitted for the torsional vibration calculation
Ê ÌÀÃ>Ê ÛLÀ>ÌÊ V>VÕ>ÌÊ ÃÊ >`iÊ vÀÊ i>V Ê ÃÌ>>Ì°Ê ÀÊ Ì ÃÊ «ÕÀ«ÃiÊ iÝ>VÌÊ `>Ì>Ê vÊ >Ê V«iÌÃÊ>ÀiÊÀiµÕÀi`°Ê-iiÊÌ>LiÊLiÜ\
1. Main propulsion
Ê ÕÌV ÊiÝÃÌ}¶Ê ÊÊÊ ÞiÃÊ Ê Ê
Ê iÌÃÊvÊiÀÌ>\Ê }>}i`\Ê°°°°°°°°°°°°°°°Ê}ÔÊ Ê Ãi}>}i`\Ê°°°°°°°°°°°°°°°Ê}Ô Ê iÝLiÊVÕ«}\Ê Ê >i\Ê°°°°°°°°°°°°°°°°°°Ê /Þ«i\Ê°°°°°°Ê -âi\Ê°°°°°°°°°°°°°°°°°°°°°°°°
Ê i>ÀLÝ\Ê Ê Ê >i\Ê°°°°°°°°°°°°°°°°°°Ê /Þ«i\Ê°°°°°°Ê i>ÀÊÀ>Ì\Ê°°°°°°°°°°°°°°
Moments of inertia and dyn. torsional rigidity (Mass elastic system) Shaft drawings with all dimensions
Ê **Ê \Ê Ê Ê ÊrÊ°°°°°°°°°°°°°ÊÊ Ê Ê >`iÊ °\Ê°°°°°°°°°°°°°°
Ê iÌÃÊvÊiÀÌ>\Ê Ê>ÀÊ°°°°°°°°°°°°°°°°°Ê Ê Ê }ÔÉÊÜ>ÌiÀÊrÊ°°°°°°°°°°°°°°°°°°}Ô Ê ÝVÌ}ÊiÌÊÊ«iÀViÌÊvÊ>ÊiÌÊrÊ°°°°°°°°°°°°°°Ê¯
Operation mode CPP: const. speed Combinator:
Speed range from: ... -rpm
Ê À>Êëii`ÊÀ>}i\Ê **ÊrÊÊ Ê Ê ä°ÈÊ >Êëii`
2. PTO from gearbox: yes no
Ê vÊÞiÃ]ÊÜiÊii`ÊÌ iÊvÜ}ÊvÀ>Ì\
Ê ÕÌV ÊiÝÃÌ}¶Ê ÊÊÊ ÞiÃÊ Ê Ê
Ê iÌÃÊvÊiÀÌ>\Ê }>}i`\Ê°°°°°°°°°°°°°°°Ê}ÔÊ Ê Ãi}>}i`\Ê°°°°°°°°°°°°°°°Ê}Ô Ê iÝLiÊVÕ«}\Ê Ê >i\Ê°°°°°°°°°°°°°°°°°°Ê /Þ«i\Ê°°°°°°Ê -âi\Ê°°°°°°°°°°°°°°°°°°°°°°°°
Ê i>ÀLÝ\Ê Ê Ê >i\Ê°°°°°°°°°°°°°°°°°°Ê /Þ«i\Ê°°°°°°Ê i>ÀÊÀ>Ì\Ê°°°°°°°°°°°°°°
Moments of inertia and dyn. torsional rigidity (Mass diagram)
Ê `ÊvÊ*/"Ê`ÀÛiÊ>V i\Ê°°°°°°°°°°°°°°°°°°°°°°°°°°°Ê ,>Ìi`ÊÕÌ«ÕÌ\Ê°°°°°°°°°°°°°°°°°°°°Ê7 Power characteristics, operation speed range: ... rpm
3. PTO from free shaft end: yes no
vÊÞiÃ]ÊÜiÊii`ÊÌ iÊvÜ}ÊvÀ>Ì\
Ê ÕÌV ÊiÝÃÌ}¶Ê ÊÊÊ ÞiÃÊ Ê Ê
Ê iÌÃÊvÊiÀÌ>\Ê }>}i`\Ê°°°°°°°°°°°°°°°Ê}ÔÊ Ê Ãi}>}i`\Ê°°°°°°°°°°°°°°°Ê}Ô Ê iÝLiÊVÕ«}\Ê Ê >i\Ê°°°°°°°°°°°°°°°°°°Ê /Þ«i\Ê°°°°°°Ê -âi\Ê°°°°°°°°°°°°°°°°°°°°°°°°
Ê i>ÀLÝ\Ê Ê Ê >i\Ê°°°°°°°°°°°°°°°°°°Ê /Þ«i\Ê°°°°°°Ê i>ÀÊÀ>Ì\Ê°°°°°°°°°°°°°°
Moments of inertia and dyn. torsional rigidity (Mass diagram)
Ê `ÊvÊ*/"Ê`ÀÛiÊ>V i\Ê°°°°°°°°°°°°°°°°°°°°°°°°°°°Ê ,>Ìi`ÊÕÌ«ÕÌ\Ê°°°°°°°°°°°°°°°°°°°°Ê7 Power characteristics, operation speed range: ... rpm
4. Explanation
Moments of inertia and dyn. torsional rigidity in absolut dimensions, i.e. not reduced.
Contents
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58 M 25 C Propulsion - 04.2012
4.2 Resilient mounting
4. Connecting parts engine
4.2.1 Major components
UÊ V>ÊÀÕLLiÀÊiiiÌÃÊvÀÊ>VÌÛiÊÃÕ>ÌÊvÊ`Þ>VÊi}iÊvÀViÃÊ>`ÊÃÌÀÕVÌÕÀiLÀiÊÃiÊ
>ÀiÊVLi`ÊÜÌ Ê ÀâÌ>]Ê>ÌiÀ>Ê>`ÊÛiÀÌV>ÊÃÌ««iÀÃÊÌÊÌÊÌ iÊi}iÊÛiiÌð
UÊ Þ>V>ÞÊL>>Vi`Ê } ÞÊyiÝLiÊVÕ«}°
UÊ iÝLiÊViVÌÃÊvÀÊ>Êi`>°
UÊ -«iV>ÞÊ`iÃ}i`ÊiÝ >ÕÃÌÊ}>ÃÊLiÜ°
Details are shown on binding installation drawings.
°ÊvÊiiiÌÃ\ Conical elements
6 M 25 C 6
8 M 25 C 8
9 M 25 C 8
Important note:
UÊ / iÊÀiÃiÌÊÕÌ}Ê>iÊ`iÃÊÌÊ«ÀÛ`iÊ>ÞÊ}>À>ÌiiÊvÀÊ>ʵÕiÌÊà «°Ê"Ì iÀÊÃÕÀViÃÊvÊÃiÊ
iÊ«À«iiÀ]Ê}i>ÀLÝÊ>`Ê>ÕÝ°Êi}iÃÊ >ÛiÊÌÊLiÊVÃ`iÀi`Ê>ÃÊÜi°
UÊ ,>`>ÊÀiÃÌÀ}ÊvÀViÃÊvÊÌ iÊyiÝLiÊVÕ«}Ê`ÕiÊÌÊÃi>Ü>Þ®Ê>ÞÊLiÊvÊ«ÀÌ>ViÊvÀÊÌ iÊ>ÞÕÌÊ of the reduction gear.
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4.2.2 Structure-borne sound level L
V, expected (measured in the test cell)
4. Connecting parts engine
Structure Borne Noise Level M 25 C
above resilient mounting measured at testbed in Kiel
(values below resilient mounting depend on rubber rail type and foundation mobility)
103 108
95 98 97 94
90 86
77
110
0 10 20 30 40 50 60 70 80 90 100 110 120
31,5Hz 63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz SU0
frequency 1/1 octave band [Hz]
sound velocity [dB] ref: v0 = 5 x 10-8 m/s
aboveUesilientPounting
toleUDnce:/-GB
Contents
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60 M 25 C Propulsion - 04.2012