11
Precision Drive Soluons for Marine Propulsion

Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

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Page 1: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

Precision Drive Solutionsfor Marine Propulsion

Page 2: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

A safe voyage to the next harbour with Santasalo marine gears

Santasalo has been manufacturing gears for the marine industry for over 40 years and is well known in the market as the original Valmet Marine Gearboxes OEM. During these years, we have equipped nearly 650 vessels with customised gear units, from cargo ships and cruisers to research and rescue vessels, tankers and ice breakers.

The propulsion systems of ocean-going vessels must meet an extremely high standard of operational reliability and efficiency with low noise and vibration levels. The high performance and reliability of our propulsion gear units are ensured by Santasalo’s engineering know-how, manufacturing precision, computer-controlled heat treatment processes and strict quality assurance procedures.

Our propulsion gear units have been designed and built for increased redundancy and safety with maximised availability, quiet operation and better fuel economy of the units.

They are designed and manufactured so that all maintenance and service operations can be completed in the most convenient and time-saving way.

The Santasalo way is to produce safe gear applications for marine propulsion to secure reliable operation in harbours as well as on open seas.

Customised Geared Solutions

Santasalo enjoys a rich gearbox history that spans more than a century and is tied to many well-known brand names such as ASEA, Metso Drives, Rauma-Repola, Sauerwald, Valmet Power Transmission and Wärtsilä*. As a result we are expert at providing reliable, durable, and efficient mechanical power transmission solutions for a wide range of industries. Our large, global installed base of customers demonstrates the confidence customers place in us as a reliable and responsive power transmission partner.

* Previously Santasalo Moventas and its predecessors have manufactured products under the brands shown above. Today, we are independent of these brands and their current owners but continue to offer expert service for these brands, just as we do for our own Santasalo and Moventas branded gear units.

3

Page 3: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

Gear Configurations

Single in, single out - vertical offset

Driving modes:M1VA: Engine → propellerM1VA+S: Engine → propeller and PTOM1VAC: Engine → propeller, with clutchM1VAC+P: 1) Engine → primary PTO 2) Engine → PTO and propeller, with clutch

Typical ship types:container, trawler, ro-ro, ferry, cruiser

These configurations are valid also for gear types M1VL and M1VBENGINE

PROPELLER

PTO

M1VAC+P

ENGINE

PROPELLER

M1VAC

M1VA+S

ENGINE ENGINE

PROPELLER

PTO

M1VA

PROPELLER

Single in, single out - horizontal offset

ENGI

NE

PROPELLERM1HL

ENGI

NE

PTO

M1HL+S PROPELLER

ENGI

NE

PTO

M1HLC+P

ENGI

NE

M1HLCPROPELLERPROPELLER

Driving modes:M1HL: Engine → propellerM1HL+S: Engine → propeller and PTOM1HLC: Engine → propeller, with clutchM1HLC+P: 1) Engine → primary PTO 2) Engine → PTO and propeller, with clutch

Typical ship types:ro-ro, cruiser, car carrier

These configurations are valid also for gear type M1HB

Twin in, single out - horizontal offset

Driving modes:M2HL: 1) One electric motor → propeller 2) Both electric motors → propellerM2HL+S: 1) One electric motor → propeller and PTO 2) Both electric motors → propeller and PTOM2HLC: 1) One engine → propeller, with clutch 2) Both engines → propeller, with clutchM2HLC+P: 1) One engine → primary PTO 2) One engine → PTO and propeller, with clutch 3) Both engines → PTO and propeller, with clutch

Typical ship types:ferry, cruiser, tug patrol, cable layer, research vessel

These configurations are valid also for gear type M2HB

Special solutions

Driving modes:M1VLC+SC: 1) Engine → propeller and PTO 2) PTI → propeller, speed 2M1VLC+PC: 1) Engine → propeller and PTO 2) PTI → propeller, speed 2 3) Engine → propeller, speed 2M1VLCG+P: 1) Engine → propeller and PTO 2) PTI → propeller, nominal speed 3) Engine → primary PTOM2HLC+2PC 1) Engine → propeller and PTO 2) PTI → propeller, speed 2 3) Engine → propeller, speed 2 4) Engine → primary PTO

Typical ship types:chemical tanker, trawler, cruiser, research vessel

M2HL M2HL+S

ELECTRIC MOTOR

PROPELLER

PTO

PROPELLER

ELECTRIC MOTOR ELECTRIC MOTOR ELECTRIC MOTOR

ENGINE

PROPELLER

ENGINE

M2HLC+PM2HLC

PROPELLER

PTO

ENGINEENGINE

M1VLC+SC M1VLC+PC

PTIPTO PTO

PTI

M1VLCG+P M2HLC+2PC

ENGINE

PTOPTI

PTOPTI

ENGINE

PROPELLER

PTIPTO

ENGI

NE

ENGINEENGINE

PROPELLERPROPELLER

PROPELLER

54

Page 4: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

M1VA

Engine power P = 8 000 kWEngine speed n1 = 750 rpmPropeller speed n2 = 165 rpmP/n1 = 10.7Transmission ratio i = 4.5

D1

L2

L1

D2

P

S3S2

L3

D3

OR

S1

AK

FB

H

C

M1VA

0.1

1

10

100

2.00 2.25 2.50 2.80 3.00 3.15 3.55 4.00 4.50 5.00 5.60 6.00 6.30

Gear Ra o

P/n 1

915840770710650600560500460420385355315285

3020

75

3

A (mm)

0.5

0.3

AK

F

D1

L2

L1

D2

PB

HC

S3S2

L3D3

RO

S1

M1VAC

0,1

1

10

100

2.00 2.25 2.50 2.80 3.00 3.15 3.55 4.00 4.50 5.00 5.60 6.00 6.30

Gear Ra�o

P/n 1

915840770710650600560500460420385355315285

A (mm)3020

5

3

7

0.3

0.5

FEATURE PRODUCT: M1VA-840

M1VA

M1VAM1VASingle In, Single Out - Vertical Offset

A B C F H K O P R S1 L1 D1 S2 L2 D2 S3 L3 D3 Weight(kg)

285940 250 790

1495400 220 370 505 550 160 80 550 250 120 400 105 70

1060

315 1525 1150

3551060 315 910

1725470 220 520 505 550 160 120 550 250 160 460 130 90

1310

385 1755 1410

420

1310 315 1110

1920

600 270 570 615 650 225 170 670 300 180 545 130 90

1630

460 1960 2240

500 2000 2650

560

1630 400 1390

2280

700 335 745 770 750 235 210 850 410 280 620 160 110

3300

600 2520 4450

650 2570 5400

7101900 450 1600

2800800 380 800 865 900 250 240 1000 410 300 740 160 110

7400

770 2860 8670

8402135 450 1835

3030900 425 885 965 1000 310 240 1160 470 340 780 160 110

10500

915 3105 12800

Engine power P = 8 000 kWEngine speed n1 = 750 rpm

Propeller speed n2 = 165 rpmP/n1 = 10.7

Transmission ratio i = 4.5

FEATURE PRODUCT: M1VAC-840

A B C F H K O P R S1 L1 D1 S2 L2 D2 S3 L3 D3 Weight(kg)

285940 250 790

1495400 220 370 505 865 150 110 550 250 120 400 105 70

1160

315 1525 1250

3551060 315 910

1725470 220 520 505 915 160 110 550 250 160 460 130 90

1410

385 1755 1610

420

1310 400 1110

2040

600 270 570 615 1130 225 150 670 300 180 545 130 90

2030

460 2080 2640

500 2120 3140

560

1630 450 1390

2350

700 335 745 770 1380 300 180 850 410 280 620 160 110

3890

600 2590 5040

650 2640 6100

7101900 500 1600

2870800 380 800 865 1575 385 220 1000 410 300 740 160 110

8500

770 2930 10300

8402135 500 1835

3100900 425 885 965 1615 385 220 1160 470 340 780 160 110

12200

915 3175 14900

M1VACSingle in - single outVertical offsetRolling bearings

Single in - single outVertical offset

With clutchRolling bearings

76

Page 5: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

M1VLC, M1VBC

1

10

100

2.00 2.25 2.50 2.80 3.00 3.15 3.55 4.00 4.50 5.00 5.60 6.00 6.30

Gear Rao

P/n 1

1400

1250

1100

1000

915

840

770

710

650

70

50

30

7

15

5

3

A (mm)

M1VL, M1VB

1

10

100

2.00 2.25 2.50 2.80 3.00 3.15 3.55 4.00 4.50 5.00 5.60 6.00 6.30

Gear Ra�o

P/n 1

1400

12501100

1000

915840

770

710650

50

30

70

7

15

5

3

A (mm)

M1VA

M1VL, M1VB

M1VAM1VASingle In, Single Out - Vertical Offset

M1VLC, M1VBCM1VLSingle in - single outVertical offsetRolling bearings on input shaftPlain bearings on output shaft

M1VBSingle in - single outVertical offsetPlain bearings

M1VLCSingle in - single out

Vertical offsetWith clutch

Rolling bearings on input shaftPlain bearings on output shaft

M1VBCSingle in - single out

Vertical offsetWith clutch

Plain bearings

Engine power P = 8 000 kWEngine speed n1 = 750 rpmPropeller speed n2 = 165 rpmP/n1 = 10.7Transmission ratio i = 4.5

FEATURE PRODUCT: M1VL-840 (M1VB-840)

Engine power P = 8 000 kWEngine speed n1 = 750 rpm

Propeller speed n2 = 165 rpmP/n1 = 10.7

Transmission ratio i = 4.5

FEATURE PRODUCT: M1VLC-840 (M1VBC-840)

KA

C

FBR

O P

S1

L1

S3

L3

D3

D1

S2

L1

D2

H

S1S3

S2

RO P

KA

C

FB

D1

D3

D2

L2

L3

L1

H

A B C F H K O P R S1 S1* L1 L1* D1 D1* S2 L2 D2 S3 S3* L3 D3 Weight(kg)

650 1880 400 1480 2570 700 490 580 980 820 980 235 300 210 180 1060 71 530 740 855 160 110 5900

7102080 450 1680

2800800 530 630 1060 955 1050 250 310 240 200 1150 80 600 780 920 160 110

7900

770 2860 9400

8402330 500 1930

3150950 580 680 1160 1025 1150 310 385 240 230 1250 90 650 820 950 160 110

11100

915 3225 12900

10002650 500 2250

34601100 600 735 1210 1200 385 260 1320 100 710 1015 160 110

15500

1100 3560 18500

1250 2840 550 2440 3880 1200 670 800 1340 1300 400 290 1440 112 800 1075 160 110 23000

1400 3180 550 2780 4180 1350 720 860 1365 1335 450 320 1500 112 900 1150 160 110 30500

A B C F H K O P R S1 S1* L1 L1* D1 D1* S2 L2 D2 S3 S3* L3 D3 Weight(kg)

650 1880 450 1480 2640 700 490 580 980 1450 1540 300 300 180 180 1060 71 530 740 855 160 110 6600

7102080 500 1680

2870800 530 630 1060 1530 1625 310 310 220 200 1150 80 600 780 920 160 110

9000

770 2930 11030

8402330 500 1930

3150950 580 680 1160 1640 1775 385 385 220 220 1250 90 650 820 950 160 110

12800

915 3225 15000

10002650 550 2250

35301100 600 735 1210 1900 400 260 1320 100 710 1015 160 110

18100

1100 3630 21100

1250 2840 600 2440 3950 1200 670 800 1340 2085 450 300 1440 112 800 1075 160 110 26500

1400 3180 600 2780 4250 1350 720 860 1365 2200 450 300 1500 112 900 1150 160 110 35000

M1VL

M1VB

M1VLC

M1VBC

S1*, L1*, D1*: DIMENSIONS OF M1VB S1*, L1*, D1*: DIMENSIONS OF M1VBC

98

Page 6: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

M1VA

0.1

1

10

100

2.00 2.25 2.50 2.80 3.00 3.15 3.55 4.00 4.50 5.00 5.60 6.00 6.30

Gear Ra o

P/n 1

915840770710650600560500460420385355315285

3020

75

3

A (mm)

0.5

0.3

M1HLC, M1HBC

1

10

100

2.00 2.25 2.50 2.80 3.00 3.15 3.55 4.00 4.50 5.00 5.60 6.00 6.30

Gear Ra o

P/n 1

1400

1250

1100

1000

915

840

770

710

650

70

50

30

7

15

5

3

A (mm)

M1HL, M1HB

1

10

100

2.00 2.25 2.50 2.80 3.00 3.15 3.55 4.00 4.50 5.00 5.60 6.00 6.30

Gear Ra�o

P/n 1

1400

12501100

1000

915840

770

710650

50

30

70

7

15

5

3

A (mm)

M1VA

M1HL, M1HB

M1VAM1VASingle In, Single Out - Horizontal Offset

M1HLC, M1HBCM1HLSingle in - single outHorizontal offsetRolling bearings on input shaftPlain bearings on output shaft

M1HBSingle in - single outHorizontal offsetPlain bearings

M1HLCSingle in - single out

Horizontal offsetWith clutch

Rolling bearings on input shaftPlain bearings on output shaft

M1HBCSingle in - single out

Horizontal offsetWith clutch

Plain bearings

Engine power P = 8 000 kWEngine speed n1 = 750 rpmPropeller speed n2 = 165 rpmP/n1 = 10.7Transmission ratio i = 4.5

Engine power P = 8 000 kWEngine speed n1 = 750 rpm

Propeller speed n2 = 165 rpmP/n1 = 10.7

Transmission ratio i = 4.5

FEATURE PRODUCT: M1HL-840 (M1HB-840)

FEATURE PRODUCT: M1HLC-840 (M1HBC-840)

O OR1 R1

R2 P

øD2

L2

S2 S1

øD1

L1

K2K1

F2

A

WATER INWATER OUT

B1 B2

G

B3 B3

H

Xmax

F1 O OR1 R1

R2 P

S2 S1

L1

øD1

øD2

L2

K2K1

F2

A

WATER INWATER OUT

B1 B2

G

H

Xmax

B3 B3

F1

A B1 B2 B3 F1 F2 G H K1 K2 O P R1 R2 S1 L1 D1 S2 L2 D2 Xmax Weight(kg)

650 980 660 525 880 560 1930 2000 400 400 300 540 465 900 830 250 170 950 63 500 1350 6200

710 1080 720 550 980 620 2120 2200 450 450 320 580 475 1000 920 300 180 1060 71 530 1450 8300

770 1140 770 550 1040 670 2230 2200 450 450 320 580 475 1000 920 300 180 1060 71 530 1500 9900

840 1230 820 600 1130 720 2370 2350 450 500 340 625 500 1000 975 310 200 1150 80 600 1600 11700

915 1330 910 675 1230 810 2560 2500 500 550 360 680 520 1200 1150 385 220 1250 90 650 1700 13600

1000 1460 970 800 1360 870 2790 2650 500 600 400 735 560 1320 1200 400 260 1320 100 710 1850 16300

1100 1560 1060 800 1460 960 2980 2700 500 600 400 735 560 1320 1200 400 260 1320 100 710 1950 19400

1250 1745 1185 900 1645 1085 3290 2950 550 650 410 800 600 1400 1300 450 300 1440 112 800 2150 24200

1400 1940 1320 1000 1840 1220 3620 3200 600 700 430 860 625 1400 1400 450 300 1500 112 900 2350 32000

A B1 B2 B3 F1 F2 G H K1 K2 O P R1 R2 S1 L1 D1 S2 L2 D2 Xmax Weight(kg)

650 980 660 525 880 560 1930 2000 400 400 300 540 465 900 1370 250 170 950 63 500 1350 6900

710 1080 720 550 980 620 2120 2200 450 450 320 580 475 1000 1540 300 180 1060 71 530 1450 9500

770 1140 770 550 1040 670 2230 2200 450 450 320 580 475 1000 1540 300 180 1060 71 530 1500 11600

840 1230 820 600 1130 720 2370 2350 450 500 340 625 500 1000 1625 310 200 1150 80 600 1600 13400

915 1330 910 675 1230 810 2560 2500 500 550 360 680 520 1200 1775 385 220 1250 90 650 1700 15800

1000 1460 970 800 1360 870 2790 2650 500 600 400 735 560 1320 1900 400 260 1320 100 710 1850 19000

1100 1560 1060 800 1460 960 2980 2700 500 600 400 735 560 1320 1900 400 260 1320 100 710 1950 22200

1250 1745 1185 900 1645 1085 3290 2950 550 650 410 800 600 1400 2085 450 300 1440 112 800 2150 27800

1400 1940 1320 1000 1840 1220 3620 3200 600 700 430 860 625 1400 2200 450 300 1500 112 900 2350 36800

1110

Page 7: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

FEATURE PRODUCT:

6

M1VA

M2HL, M2HB

M1VAM1VATwin In, Single Out - Horizontal Offset

M2HLC, M2HBCM2HLTwin in - single outHorizontal offsetRolling bearings on input shaftPlain bearings on output shaft

M2HBTwin in - single outHorizontal offsetPlain bearings

M2HLCTwin in - single out

Horizontal offsetWith clutch

Rolling bearings on input shaftPlain bearings on output shaft

M2HBCTwin in - single out

Horizontal offsetWith clutch

Plain bearings

Upper tableMin. distance between engines = 2 x A

Lower tableEngine power P = 3 690 kWEngine speed n1 = 750 rpmPropeller speed n2 = 150 rpm

FEATURE PRODUCT:

2 x P n2

= 49.2 → SEL.38-55

Upper tableMin. distance between engines

= 2 x A

Lower tableEngine power P = 3 690 kWEngine speed n1 = 750 rpm

Propeller speed n2 = 150 rpm2 x P n2

= 49.2 → SEL.38-55

A A

P

WATER INWATER OUT

F

B1

K1K2

H

G

B2 B2

Xmax

øD2

L2

R2

R1 R1

O O

S2 S1

L1

øD1

A A

P

WATER INWATER OUT

FB1

K1K2

H

G

B2 B2

Xmax

R2

R1 R1

O O

S2 S1

L1L2

øD2

øD1

2xP/n2 S1 L1 D1 S2 L2 D2 O P R1 R2

13-19 900 280 200 950 63 500 300 540 465 900

19-27 900 280 200 1060 71 530 320 580 475 1000

27-38 1000 330 240 1150 80 600 340 625 500 1000

38-55 1050 380 280 1250 90 650 360 680 520 1200

55-78 1100 380 320 1320 100 710 400 735 560 1320

78-112 1300 400 320 1440 112 800 410 800 600 1400

112-154 1350 400 320 1500 112 900 430 860 625 1400

154-217 1400 450 320 1550 125 900 460 930 675 1500

217-310 1400 450 320 1700 140 1000 490 980 705 1550

2xP/n2 S1 L1 D1 S2 L2 D2 O P R1 R2

13-19 1315 225 150 950 63 500 300 540 465 900

19-27 1370 250 170 1060 71 530 320 580 475 1000

27-38 1540 300 180 1150 80 600 340 625 500 1000

38-55 1625 310 200 1250 90 650 360 680 520 1200

55-78 1770 385 220 1320 100 710 400 735 560 1320

78-112 1920 400 260 1440 112 800 410 800 600 1400

112-154 2080 450 300 1500 112 900 430 860 625 1400

154-217 2200 450 320 1550 125 900 460 930 675 1500

217-310 2200 450 320 1700 140 1000 490 980 705 1550

A B1 B2 F G H K1 K2 Xmax Weight max

1000 2920 550 2720 3280 2520 550 450 1850 11000

1100 3120 600 2920 3480 2700 600 500 1950 15000

1250 3490 675 3290 3850 2940 650 550 2150 20500

1400 3880 800 3680 4240 3170 700 600 2350 27000

1500 4140 900 3940 4500 3350 750 650 2500 33000

1600 4400 1000 4200 4760 3540 800 700 2600 39000

1750 4790 1000 4590 5150 3770 850 750 2800 45500

1850 5050 1050 4850 5410 3970 900 800 2950 52500

1950 5310 1050 5110 5670 4200 1000 800 3050 59500

A B1 B2 F G H K1 K2 Xmax Weight max

1000 2920 550 2720 3280 2520 550 450 1850 12000

1100 3120 600 2920 3480 2700 600 500 1950 16500

1250 3490 675 3290 3850 2940 650 550 2150 22500

1400 3880 800 3680 4240 3170 700 600 2350 29000

1500 4140 900 3940 4500 3350 750 650 2500 35500

1600 4400 1000 4200 4760 3540 800 700 2600 42000

1750 4790 1000 4590 5150 3770 850 750 2800 49000

1850 5050 1050 4850 5410 3970 900 800 2950 56500

1950 5310 1050 5110 5670 4200 1000 800 3050 63500

Page 8: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

M1VAM1VAM1VASpecial Solutions

In many cases, special solutions are necessary to allow ship designers to plan for extraordinary circumstances. Santasalo supplies customized drive solutions including reduction gears with single and twin engine inputs, PTO/PTI arrangements, two-speed propeller drives and waterjet propulsion. All have been proven in use in demanding marine conditions around the world and have fulfilled customers specifications as well as expectations.

To gain the most from the propulsion machinery often requires the drive system to be tailored. The best results are achieved by working closely with our customers. Together, we will find a solution that best fits your application and meets your full satisfaction.

Two-speed propeller drive - a customised solution

Our two-speed reduction gearbox, manufactured in single- in or twin-in configurations, is designed to improve the utilization of the propulsion machinery. It allows the diesel engine to be run at full speed, while the propeller is driven at either of two speeds.

This gives significant advantages. The lower propeller speed allows the ship to proceed at creeping pace. But full power can still be produced by the shaft alternator. The solution is ideal for any vessel requiring low speed in vibration-free conditions and large amounts of electrical power. This includes passenger and research vessels or cruise ships, ferries and trawlers.

Locked-train system

The propulsion gear drive is a two-stage coaxial reduction gear unit with the so-called locked-train concept. In this design the power of the electric motor is evenly distributed between the two intermediate shafts (branches). The torsionally flexible intermediate shafts compensate for possible load differences between the branches. This design provides redundancy in case of a bearing or a gear failure in one of the branches.

Coupling configuration to improve ship safety

In the event of engine failure at sea, Santasalo’s PTI drive with its unique clutch solution will make it possible to propel the ship away from hazards. Should it become necessary for the ship to change berth, the shaft alternator can again be used as a motor to drive the propeller.

The coupling configuration features a combination of a multi-disc clutch and a gear coupling which have been built together with a Santasalo gearbox. It forms a versatile PTO/PTI system that improves machinery-related safety on ships and enhances total economy. It can also be used to boost the vessels propulsive power, for example, when the ship is towing, operating in ice, or sailing through rough seas.

The other Santasalo PTO/PTI -concept features a single input/single output gearbox, three hydraulic multi-disk clutches, which are incorporated in the gearbox, and a PTI drive. The main clutch is for engaging the propeller shaft, while the two others are for the PTO and PTI drive respectively. The PTI drive includes a pony motor to increase the speed of the shaft generator to the set synchronous speed.

14

Page 9: Precision Drive SolutionsM1VA Engine power P = 8 000 kW Engine speed n 1 = 750 rpm Propeller speed n 2 = 165 rpm P/n 1 = 10.7 Transmission ratio i = 4.5 D1 L2 L1 D2 P

Housing

The housing is of welded steel structure with relatively thick walls and ribs to give sufficient rigidity and to reduce noise. The housing is stress relieved after welding. Parts of the housing are bolted to each other. Fitting bolts are used at the thrust bearing.

Shafts

The pinion shaft is made of case hardened or through hardened steel. At the bearings the shaft journals are machined to sufficient smoothness and accuracy of the shape. Cylindrical shaft end is provided with a keyway.

The output shaft is made of through hardened steel. Forged flanges for the thrust bearing and the propeller shaft connection are made when the shaft is equipped with plain bearings. When rolling bearings are used the shaft end is cylindrical with a keyway.

Gears

The pinion is made of case hardened steel while the bull wheel can be made of case hardened or through hardened steel. The pinion and the wheel have single helical and precision-ground teeth with optimum corrections to ensure a low structure borne noise level.

Bearings

Bearing types are dependent on selected gear type. The pinion and the output shaft can be equipped either with rolling or with plain bearings while the PTO-shaft is generally fitted with rolling bearings. The thrust bearing is mounted into the gear housing. It can take thrust to both directions and is of self-aligning type.

Clutch

The input shaft can be equipped with hydraulic multi- disc clutch. The clutch is hydraulically operated, spring released and controlled by a solenoid valve. The inner discs are made of steel, the outer ones have a friction lining of sintered bronze. The clutch is operated and lubricated by the hydraulic system of the gearbox. The clutch is equipped with an accumulator or a valve system for smooth engagement.

Lubrication and control oil system

The gear housing serves as an oil sump. A shaft-driven lube oil pump supplies oil to the gear meshes and bearings through a double filter and an oil cooler. The cooler is seawater resistant. The lube oil system is equipped with a thermostatic valve. The control oil pump supplies oil to the clutch through a filter, a pressure adjusting valve and a control valve. The piping and the stand-by pump are built on the gear.

Instrumentation

The lube and control oil system is equipped with switches and sensors according to the requirements of classification societies for unmanned engine room. They are wired to a terminal box mounted on the gear unit.

Additional equipment

• One or more PTO’s• PTI-drives for electric-motor and for pony-motor• Flange for pinion shaft• Flange for output shaft in case it is equipped with rolling bearings• Hollow-bored output shaft and a mounting flange for an OD-box for CP-propeller

M1VAM1VAM1VATechnical Specifications

1716

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Expert service – regardless of the brand

Santasalo Moventas is the service provider of choice for many of the world’s leading industrial companies. With more than a century of gear unit design and manufacturing expertise, Santasalo Moventas understands how to maintain and service the most difficult, process-critical gear units to ensure optimal results and life extension, regardless of the brand. Our global service network means we’re close to you, providing support and technical expertise where and when you need it.

Geared for Service

Getting the most from your process equipment calls for a long-term, proactive approach to service and maintenance. Santasalo provides proactive service across the entire lifecycle of your machines. We work with you to identify when to carry out maintenance, how to replace parts before they fail, and when to upgrade existing gear units to achieve maximum performance and trouble-free operation.

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Modernisa�on

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Scan our QR code for quick access to our website

www.santasalo.com

Americas

BrazilSorocaba, São PauloT: + 55 15 3031 5300E: [email protected]

CanadaCambridge, OntarioT: + 1 519 621 6390F: + 1 519 621 7660E: [email protected]

ChileSantiagoT: + 562 2920 6778E: [email protected]

USAGreenville, SC T: + 1 864 627 1700F: + 1 864 627 1705E: [email protected]

Europe

FinlandJyväskyläT: + 358 20 184 7000F: + 358 20 184 7001E: [email protected]

FranceBordeauxT: + 33 547 745 402F: + 33 547 745 403E: [email protected]

GermanyWuppertalT: + 49 202 24 14 0F: + 49 202 24 14 200E: [email protected]

ItalyMilanT: + 39 349 0826296 E: [email protected]

SpainMadridT: + 34 91 48 61 518E: [email protected]

SwedenGothenburgT: + 46 31 710 20 50F: + 46 31 710 20 60E: [email protected]

Asia Pacific

AustraliaSomersbyT: + 61 2 4340 2338F: + 61 2 4340 2339E: [email protected]

ChinaSuzhouT: + 86 512 6299 8852F: + 86 512 6299 8853E: [email protected]

ChinaBeijingT: + 86 10 6775 6792F: + 86 10 6778 2312E: [email protected]

IndiaChennaiT: + 91 44 4204 9521F: + 91 44 4204 9522E: [email protected]

Africa

South AfricaJohannesburgT: + 27 (0)11 452 3044/5/6F: + 27 (0)11 524 0490E: [email protected]

Our Locations

Manufacturing plant

Service centre

Sales office

2014

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