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Pricing Flipbook Pricing AI Ebook Pricing English Deutsch Français Español Português Italiano عربي 繁體中文 日本語 한국어 Nederlands Русский Svenska Dansk Polski Suomi Türkçe עִברִית Čeština Magyar Română Українська Ελληνικά ภาษาไทย Hindi Bahasa Melayu Bahasa Indonesia Tiếng Việt 简体中文 Yoowon Electro-Hydraulic+Steering+Gears(YDFT+TYPE) Published on Oct 23,2023 Like Share Copy Download Create a Flipbook Now Read more Home Explore Others Yoowon Electro-Hydraulic+Steering+Gears(YDFT+TYPE) adrian Follow Yoowon Electro-Hydraulic+Steering+Gears(YDFT+TYPE) Published on Oct 23,2023 Description: No description Publications Read Text Version More from adrian Explore More from Global Users Explore All 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P:01 ISO 9001 / ISO 14001 Certificate No. 33163 / 36826 ISO 9001 / ISO 14001 Certificate No. 33163 / 36826 DNV Certification, Ltd. YOOWON INDUSTRIES LTD. www.yoowonind.com Electro-Hydraulic Steering Gears YOOWON-MITSUBISHI P:02 YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears Y D F T 6 0 1 Manufacturer's symbol DF Double Fork type (2 Ram-4 Cylinders) SF Single Fork type (1 Ram-2 Cylinders) C : Constant delivery pump valve control system T : Variable pump torque motor control (Electrical pump control system) Torque capacity (t-m) 1. Without stand-by pump 2. With main and stand-by pump 3. With 3 pumps (1 pump stand-by) 4. With 4 pumps (2 pumps stand-by) Y D F T 1 Meaning of Type designation 6 0 P:03 YOOWON INDUSTRIES LTD. ¯ 3 YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears Steering Gear T Series [ Electrical Pump Control S/G ] C Series [ Valve Control S/G ] Instruction The electric rudder command signal is compared with the feedback signal of actual rudder angle in the steering stand. The rudder angle deviation signal from the steering stand is amplified by the amplifier and controls electrically the stroke of variable displacement type pump through torque motor. The electric rudder command signal is compared with the feed-back signal of actual rudder angle in the steering stand. The rudder angle deviation signal from the steering stand operates the solenoid valve and controls the direction of oil from fixed displacement pump. Trouble free The maximum durability and reliability are guaranteed as steering gear. Adoption of pump The adoption of Mitsubishi Janney pump ( a variable delivery pump ) with an integrated servo controller of higher pressure and longer life has enabled the design of high pressurization and durable steering gear. Fixed displacement vane type Hydraulic pump. No-load motor start up Since the motor of the hydraulic pump can be started in the No-load condition, the emergency generator can be designed just that much smaller in capacity. Easy adaptability to classification societies regulation Steering gear can be easily complied with specification of tanker over than 10,000GT by changing the valve block. Compact arrangement Simple and compact constitution are gained since external pipings are minimized and oil tank and electric motor are installed on the hydraulic cylinder. The power unit or receiver for remote control system is not required since the hydraulic pump is controlled by electric signal. The power unit of remote control system is not required since the hydraulic pump is controlled by electric signal. Easy installation Steering gear is constructed with all pipings completed in the factory, requiring only a simple installation work on the ship. Maintenance free Follow-up mechanisms of main parts of ram, hydraulic cylinder, etc. are especially of sturdy construction and full consideration is given to safety. Each joint portion is provided with oil-impregnated metal to facilitate maintenance. The local steering can be performed by mechanical handle on the servo mechanism on the pump. The local steering can be performed by pushing manually the push rod of solenoid valve, Complete dual control system The control system is made to meet ABS and other classification societies rule requirements within the limit of the standard design specification. Features P:04 4 ¯ YOOWON INDUSTRIES LTD. System configuration and Functions 1. In both 1-ram 2-cylinder and 2-ram 4-cylinder types, the rudder actuator has a total capacity (torque) equivalent to 100% of design capacity and the power system is completely doubled. 2. When a single failure accompanying oil leakage occurs in the piping system, the low oil level detector of the oil tank connected to the power system in operation is actuated to send an alarm to the bridge and engine room. Valve adjustment of A~ F on the next page diagram is then done manually in the steering gear room in order to isolate the malfunctioning hydraulic system. Thus maintaining stable operation of the power system .In this manner, steering capacity is maintained. 3. Changing valves A and B to automatic isolation valves satisfies IMO regulation for over 10,000 GT tankers. In that case, when a single failure accompanying oil leakage occurs in the piping system, by the low oil level detector of the oil tank connected to the power system in operation, the other power system is started for parallel operation automatically or remotely. At the same time, the circuit isolation valves of both circuits actuate to isolate the malfunctioning piping system automatically. Thus, steering capability is maintained. And the power system in line with the malfunctioning piping system is stopped automatically by the second low level detector. At the same time, the related isolation valve also returns to its original position. 4. After a single failure as described above, the rudder actuator capacity is reduced to half to designcapacity. It is necessary to reduce ship speed to half of max. speed or below 7 knots. YDFT Type Electro-Hydraulic steering gears Pump Control Type (T series) YDFT P:05 YOOWON INDUSTRIES LTD. ¯ 5 6. Complete Dual Control System The complete control system is made to meet ABS and other classification societies rule requirements, with in the limit of the standard design spccification. No.1 AUXILIARY PUMP M No.1 MOTOR No.1 JANNEY PUMP No.1 HYDRAULIC No.1 SERVO CONTROLLER No.1 PUMP UNIT M No.1 TRANSFER VALVE SAFETY VALVE No.1 VALVE BLOCK No.1 MANUAL ISOLATION VALVE A B INTER CONNECTION LINE VALVE RELIEF PILOT No.1 No.2 No.3 No.4 CYLINDER No.2 MANUAL ISOLATION VALVE SAFETY VALVE No.2 VALVE BLOCK BOOST RELIEF VALVE PILOT RELIEF VALVE VALVE BOOST RELIEF BY-PASS VALVE LEVEL SWITCH FOR LOW LEVEL ALARM No.2 TRANSFER VALVE No.2 JANNEY PUMP No.2 MOTOR No.2 AUXILIARY PUMP No.2 SERVO CONTROLLER No.2 PUMP UNIT No.2 HYDRAULIC BY-PASS VALVE OPTION 1 BY-PASS VALVE B B1 B 2 Steering Stand FP Steering Gear Hydraulic pump Servo Motor Torque Motor Repeat Back Unit Mechanism of Solenoid Valve Control with Constant Delivery Pump YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears MHI Standards for IMO Hydraulic diagram All ships excluding tanker above 10,000GT Merits of YDFT type 1. Excellent Response and Energy-Saving The torque motor system enables the steeling gear to respond more accurately and more quickly to the steeling command from steeling stand than the hitherto-employed mechanical link system, especially in fine rudder angle The pay off : no propensity of the ship meandering, hence no waste of precious fuel 2. Simple Construction and Compact Design Pump discharge is controlled electrically by the torque motor. Without the auto-pilot receiver and mechanical link of the conventional system, the new system is simple in construction and compact in design 3. High Reliability The torque motor employed is the brushless gearless type and a D.C motor with no rubbing parts Non-follow-up steering by-passing the amplifier can be performed from the bridge The hydraulic system remains identical to that of the conventional steering gear of proven design, with mechanical feedback links 4. Ease of Control in Emergency Steering Emergency steering can be performed with the mechanical handle on the servo mechanism on the pump, with only limited physical effort 5. No-Load Motor Start-up Since the motor of the hydraulic pump can be started in the no-load condition, the emergency generator can be designed just that much smaller in capacity P:06 6 ¯ YOOWON INDUSTRIES LTD. Pump Control Type (T series) Hydraulic pump control mechanism Servo cylinder Torque motor unit Mechanical lever for emergency steering Servo cylinder Servo piston Hydraulic pump Servo piston Centering spring Auxiliary pump Servo valve Oil tank Pilot relief valve Boost relief valve Hydraulic pumps 1) Pump structure is simple and easy to assemble, because quantity of main parts is greatly reduced. 2) Solid cam of high rigidity and strength is introduced, so the unit has epoch-making light-weight structure among all variable pumps. 3) The unit reduces the noise in a wide range of running conditions. 7 1 13 3 11 12 4 9 10 6 2 5 8 14 ① Main shaft ② Cylinder barrel ③ Piston ④ Slipper pad ⑤ Valve Plate ⑥ Casing ⑦ Front plate ⑧ End plate ⑨ Cam bearing ⑩ Solid cam ⑪ Piston for servo controller ⑫ Link ⑬ Cylinder for servo controller ⑭ Auxiliary pump P:07 YOOWON INDUSTRIES LTD. ¯ 7 Operation Bridge Remote Control The rudder angle electric command signal issued from the steering stand is amplified by the amplifier (A) and transmitted to the torque motor (TM). The torque motor then drives the hydraulic pump control mechanical servo (MS) only as much as directed by the command signal so that the tilting plate of the hydraulic pump (P) will be inclined accordingly for discharge of the required quantity of working oil. The working oil pressure thereby exerted causes the rudder to turn, and with feedback signal from the rudder tiller transmitted from the feedback detector(FB) to the steering stand signaling the rudder reaching the angle directed by the command signal, the torque motor drives the mechanical servo back to the neutral position(0 deg). Consequently the hydraulic pump tilting plate also will return to the uninclined neutral position where the oil suction and discharge no longer take place, and the rudder therefore will be held at the angle to which it has been turned. Local Control by the means of Mechanical Handle In the local \"HAND\" control mode, it is not by the electric command signal but by direct manipulation of the mechanical handle on the hydraulic pump control mechanical servo that the hydraulic pump discharge is controlled. Since it is non-follow-up steering in this instance, releasing the mechanical handle upon turning the rudder to the desired angle will cause the mechanical servo centering function to automatically bring the hydraulic pump tilting plate back to the neutral position so that the rudder will be kept at the desired angle. TM MS AP FB FB M TV SV SV TV P A FB TM MS M P AP A FB Amplifier Steering stand Gyrocompass No. 2 No. 2 No. 1 No. 1 Torque motor Servo controller Motor Janney pump Safety valve Transfer valve Repeat back unit Repeat back unit Torque motor control (single loop) 1. Excellent response and Energy-saving 2. Simple construction and compact design 3. High reliability 4. Greater freedom of Arrangement and ease of outfitting 5. Ease of control in emergency steerings 6. No-load motor start-up 7. Complete dual control system MODELS OF AUTO-PILOT FOR TORQUE MOTOR CONTROL Maker Models with Mitsubishi janney pump Tokyo keiki Co,. Ltd. PR-8406-DM, PR-8407-DM PR-8506-DM, PR-8507-DM Yokogawa Denshikiki Co,. Ltd. PT100-Y2A(or Y3A, Y4A) PT200-Y2A(or Y3A, Y4A) Products of auto-pilot maker Builder's furnish equipment No 1 Repeat back unit No 2 No 2 No 2 No. 1 Control box No. 2 Torque motor unit No. 1 Torque motor unit Mechanical lever for emergency steering No. 1 Steering gear motor starter Steering stand Wheel house Steering gear room Yoowon-Mitsubishi torque motor control steering system Torque motor control system return to the uninclined neutral position where the oil suction and discharge no longer take place, and the rudder therefore will be RUDDER Acturator Janney Pump Servo Controller Feedback Transmitter Torque motor Emergency Control Control Box Steering stand Feedback YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears P:08 8 ¯ YOOWON INDUSTRIES LTD. B A Tiller R.A.transmitter C C D E Torque motor Valve block Feed back unit Janney pump Torque motor F G Elec. motor Oil tank Mechanical lever Mechanical lever Fan cooler Note : The above list is complied with rudder turning angle ±35 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YDFT-60 YDFT-80 YDFT-125 YDFT-170 Torque at maximum working oil pressure t-m 52 62 74 91 105 126 140 172 kN-m 510 608 726 892 1030 1236 1373 1687 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 470 520 580 650 Maximum working oil pressure kgf/cm2 185 220 180 220 180 215 180 220 Mpa 18.1 21.6 17.7 21.6 17.7 21.1 17.7 21.6 Safety valve pressure (Design pressure) kgf/cm2 232 275 225 275 225 269 225 275 Mpa 22.7 27 22.2 27 22.2 26.4 22.2 27 With main and stand-by pumps Motor Output x Number kW 15 x 2 18.5 x 2 22 x 2 25 x 2 30 x 2 37 x 2 45 x 2 50 x 2 Number of revolutions rpm 1800 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 06V-FH2B-MK x 2 1V-FH2B-MK x 2 Without stand-by pump Motor Output x Number kW 11 x 2 11 x 2 15 x 2 15 x 2 18.5 x 2 22 x 2 25 x 2 Number of revolutions rpm 1800 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 06V-FH2B-MK x 2 Dimensions mm A 1826 1931 2164 2344 B 1678 1838 2011 2213 C 470 520 580 650 D 973 1023 1083 1153 E 1460 1510 1585 1660 F 190 205 220 240 G 1240 1250 1265 1280 Specifications & Dimensions YDFT-TYPE (for 35 deg. ) Out of Scope of Supply P:09 YOOWON INDUSTRIES LTD. ¯ 9 B A C C D E F G Tiller R.A.transmitter Torque motor Mechanical lever Mechanical lever Torque motor Valve block Feed back unit Janney pump Oil tank Elec. motor Fan cooler Note : The above list is complied with rudder turning angle ±35 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YDFT-200 YDFT-250 YDFT-300 YDFT-335 Torque at maximum working oil pressure t-m 207 244 291 351 kN-m 2030 2393 2854 3442 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 715 730 780 850 Maximum working oil pressure kgf/cm2 220 220 220 220 Mpa 21.6 21.6 21.6 21.6 Safety valve pressure (Design pressure) kgf/cm2 275 275 275 275 Mpa 27 27 27 27 With main and stand-by pumps Motor Output x Number kW 55 x 2 75 x 2 80 x 2 90 x 2 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 3V-FH2B-MK x 2 Without stand-by pump Motor Output x Number kW 30 x 2 37 x 2 45 x 2 50 x 2 Number of revolutions rpm 1800 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 06V-FH2B-MK x 2 1V-FH2B-MK x 2 Dimensions mm A 2533 2740 2988 3100 B 2386 2505 2655 2842 C 715 730 780 850 D 1320 1335 1384 1454 E 1872 1887 1937 2007 F 255 260 275 285 G 1280 1295 1305 1315 Specifications & Dimensions YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears YDFT-TYPE (for 35 deg. ) Out of Scope of Supply P:10 10 ¯ YOOWON INDUSTRIES LTD. B A C C D E R.A.transmitter Tiller Mechanical lever Mechanical lever Repeat back unit F G Oil tank Elec. motor Torque motor Janney pump Valve block Fan cooler Note : The above list is complied with rudder turning angle ±35 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. The above types are available for 4 sets pump units. Type YDFT-400 YDFT-475 YDFT-530 Torque at maximum working oil pressure t-m 363 400 440 485 560 kN-m 3560 3923 4315 4756 5492 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 900 940 970 Maximum working oil pressure kgf/cm2 195 215 200 220 220 Mpa 19.1 21.1 19.6 21.6 21.6 Safety valve pressure (Design pressure) kgf/cm2 244 269 250 275 275 Mpa 23.9 26.4 24.5 27 27 With main and stand-by pumps Motor Output x Number kW 110 x 2 110 x 2 132 x 2 150 x 2 160 x 2 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 6V-FH2B-MK x 2 Without stand-by pump Motor Output x Number kW 50 x 2 55 x 2 63 x 2 75 x 2 75 x 2 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 3V-FH2B-MK x 2 Dimensions mm A 3176 3455 3595 B 3155 3205 3255 C 900 940 970 D 1645 1685 1715 E 2060 2110 2160 F 260 275 285 G 1515 1520 1530 Specifications & Dimensions YDFT-TYPE (for 35 deg. ) Out of Scope of Supply P:11 YOOWON INDUSTRIES LTD. ¯ 11 B A C C D E F G R.A.transmitter Tiller Mechanical lever Mechanical lever Mechanical lever Mechanical lever Repeat back unit Torque motor Torque motor Valve block Elec. motor Elec. motor Janney pump Janney pump Janney pump Janney pump Oil tank Torque motor Fan cooler Note : The above list is complied with rudder turning angle ±35 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YDFT-660 YDFT-680 YDFT-760 YDFT-870 YDFT-1000 YDFT-1250 Torque at maximum working oil pressure t-m 660 680 768 872 1002 1179 kN-m 6473 6669 7532 8552 9827 11562 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 1050 1050 1100 1130 1180 1240 Maximum working oil pressure kgf/cm2 220 220 220 220 220 220 Mpa 21.6 21.6 21.6 21.6 21.6 21.6 Safety valve pressure (Design pressure) kgf/cm2 275 275 275 275 275 275 Mpa 27 27 27 27 27 27 With main and stand-by pumps Motor Output x Number kW 90 x 4 90 x 4 110 x 4 125 x 4 150 x 4 160 x 4 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 3V-FH2B-MK x 4 6V-FH2B-MK x 4 Without stand-by pump Motor Output x Number kW 90 x 2 90 x 2 110 x 2 125 x 2 150 x 2 160 x 2 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 3V-FH2B-MK-2 6V-FH2B-MK-2 Dimensions mm A 3504 3504 3658 3724 3872 4123 B 3504 3504 3890 3717 4040 4170 C 1050 1050 1100 1130 1180 1240 D 2242 2242 2449 2479 2529 2589 E 2242 2242 2449 2479 2529 2589 F 325 325 335 345 355 420 G 1490 1490 1620 1620 1620 1645 Specifications & Dimensions YDFT-TYPE (for 35 deg. ) Out of Scope of Supply YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears P:12 12 ¯ YOOWON INDUSTRIES LTD. Tiller R.A.transmitter Torque motor Valve block Repeat back unit Janney pump Torque motor Elec. motor Oil tank Mechanical lever Mechanical lever Fan cooler B A C C D E F G Note : The above list is complied with rudder turning angle ±45 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YDFT-60 YDFT-80 YDFT-125 YDFT-170 Torque at maximum working oil pressure t-m 52 80 111 150 kN-m 510 785 1089 1471 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 430 480 550 595 Maximum working oil pressure kgf/cm2 200 210 200 210 Mpa 19.6 20.6 19.6 20.6 Safety valve pressure (Design pressure) kgf/cm2 250 263 250 263 Mpa 24.5 25.8 24.5 25.8 With main and stand-by pumps Motor Output x Number kW 18.5 x 2 22 x 2 37 x 2 45 x 2 Number of revolutions rpm 1800 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 06V-FH2B-MK x 2 1V-FH2B-MK x 2 Dimensions mm A 2112 2286 2594 2708 B 1964 2181 2441 2623 C 430 480 550 590 D 935 985 1055 1136 E 1420 1470 1560 1600 F 190 205 220 240 G 1240 1250 1265 1285 Specifications & Dimensions YDFT-TYPE (for 45 deg. ) Out of Scope of Supply P:13 YOOWON INDUSTRIES LTD. ¯ 13 Elec. motor Oil tank Tiller R.A.transmitter B A C C D E F G Mechanical lever Mechanical lever Valve block Repeat back unit Janney pump Torque motor Torque motor Fan cooler Note : The above list is complied with rudder turning angle ±45 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YDFT-200 YDFT-250 YDFT-300 YDFT-335 Torque at maximum working oil pressure t-m 181 217 256 310 kN-m 1775 2128 2511 3040 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 660 680 720 785 Maximum working oil pressure kgf/cm2 210 210 210 210 Mpa 20.6 20.6 20.6 20.6 Safety valve pressure (Design pressure) kgf/cm2 263 263 263 263 Mpa 25.8 25.8 25.8 25.8 With main and stand-by pumps Motor Output x Number kW 55 x 2 65 x 2 75 x 2 85 x 2 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 3V-FH2B-MK x 2 Dimensions mm A 3030 3150 3329 3556 B 2883 3013 3187 3419 C 660 680 720 785 D 1264 1284 1324 1389 E 1817 1837 1877 1942 F 255 260 275 285 G 1275 1295 1305 1315 Specifications & Dimensions YDFT-TYPE (for 45 deg. ) Out of Scope of Supply YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears P:14 14 ¯ YOOWON INDUSTRIES LTD. B A R.A.transmitter Tiller C C D E F G Mechanical lever Mechanical lever Feed back unit Torque motor Elec. motor Janney pump Valve block Oil tank Fan cooler Note : The above list is complied with rudder turning angle ±45 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YDFT-400 YDFT-475 YDFT-530 Torque at maximum working oil pressure t-m 367 433 503 kN-m 3599 4246 4933 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 845 860 890 Maximum working oil pressure kgf/cm2 210 215 215 Mpa 20.6 21.1 21.1 Safety valve pressure (Design pressure) kgf/cm2 263 269 269 Mpa 25.8 26.4 26.4 With main and stand-by pumps Motor Output x Number kW 110 x 2 125 x 2 150 x 2 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 6V-FH2B-MK x 2 Dimensions mm A 3669 3754 3916 B 3669 3764 3916 C 845 860 890 D 1590 1605 1635 E 2060 2160 2160 F 260 275 285 G 1515 1530 1540 Specifications & Dimensions YDFT-TYPE (for 45 deg. ) Out of Scope of Supply P:15 YOOWON INDUSTRIES LTD. ¯ 15 B A C C D E R.A.transmitter Tiller Mechanical lever Mechanical lever Janney pump Janney pump Mechanical lever Janney pump Repeat back unit Janney pump Mechanical lever F G Torque motor Elec. motor Elec. motor Torque motor Oil tank Valve block Fan cooler Note : The above list is complied with rudder turning angle ±45 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YDFT-400 YDFT-475 YDFT-530 YDFT-660 YDFT-760 YDFT-870 YDFT-1000 Torque at maximum working oil pressure t-m 367 433 503 571 665 769 880 kN-m 3599 4246 4933 5600 6522 7542 8630 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 845 860 890 930 975 1020 1060 Maximum working oil pressure kgf/cm2 210 215 215 215 215 215 215 Mpa 20.6 21.1 21.1 21.1 21.1 21.1 21.1 Safety valve pressure (Design pressure) kgf/cm2 263 269 269 269 269 269 269 Mpa 25.8 26.4 26.4 26.4 26.4 26.4 26.4 With main and stand-by pumps Motor Output x Number kW 55 x 4 63 x 4 75 x 4 75 x 4 90 x 4 125 x 4 132 x 4 Number of revolutions rpm 1200 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number 3V-FH2B-MK x 4 6V-FH2B-MK x 4 Dimensions mm A 3669 3764 3916 4067 4252 4424 4575 B 3669 3764 3916 4067 4252 4424 4575 C 845 860 890 930 975 1020 1060 D 2035 2050 2080 2120 2165 2210 2250 E 2035 2050 2080 2120 2165 2210 2250 F 285 300 315 325 335 345 355 G 1445 1460 1475 1595 1605 1615 1625 Specifications & Dimensions YDFT-TYPE (for 45 deg. ) Out of Scope of Supply YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears P:16 16 ¯ YOOWON INDUSTRIES LTD. YSFC Type Electro-Hydraulic steering gears SFC-type steering gears satisfy IMO regulations. They allow the source of any failure in pipes or a power unit to be easily isolated, so that steering capability can be rapidly regained. The rudder actuator is of the ram-cylinder type, and constant delivery hydraulic pumps are fitted. A single loop direct control system with solenoid valves ensures superior responsiveness and energy savings as well. An optional auto. isolation system is available for vessels such as oil tankers. Merits of YSFC type 1. High Reliability and Durability The ram cylinder type actuator and the simply designed vane type constant delivery pump are capable of withstanding high pressure, and will prove to be exceptionally durable. 2. Excellent Response The solenoid valve control system enables the steering gear to respond more quickly to the steering command from steering stand than the mechanical link system hitherto employed, especially in fine rudder angle. 3. Substantial Economic Advantage The use of direct control system with solenoid valves eliminates the need for such equipment as an auto-pilot power unit or hunting lever. The rudder limiter system satisfies IACS regulations. A timer relay (builder's furnish) may be installed in the starter motor circuit for a easy no-load start-up f 4. Simple Design and Compact configuration All hydraulic equipment is installed on the oil tank, and external piping has minimized for a simple, compact configuration. Valve Control Type (C series) Auto-pilot comparison Maker SFC-Type Tokyo Keiki Co., Ltd. PR-8000-E Yokogawa Denshikiki Co., Ltd. PT-100-N2F, PT-200-N2F M M No.1 CYLINDER No.2 CYLINDER No.1 SAFETY VALVE No.1 SOLENOID VALVE No.1 CHECK VALVE No.1 PUMP No.1 MOTOR No.1 VALVE BLOCK No.1 LINE FILTER LEVEL SWITCH FOR LOW LEVEL ALARM No.1 THROTTLE & BACK-UP VALVE No.2 PUMP No.2 MOTOR No.2 LINE FILTER No.2 VALVE BLOCK LOW LEVEL ALARM LEVEL SWITCH FOR No.2 SOLENOID VALVE No.2 CHECK VALVE No.2 SAFETY VALVE No.2 THROTTLE & BACK-UP VALVE STOP VALVE C D B A Mechanism of Solenoid Valve Control with Constant Delivery Pump Oil Tank Controlled Steering Gear Valve Solenoid Repeat Back Unit Pump Line Filter 100%Rudder Turning speed Commanded steering angle A B 4º~ 6º Response curve Hydraulic diagram YSFC P:17 YOOWON INDUSTRIES LTD. ¯ 17 Feed back unit Tiller Rudder angle transmitter Cylinder Valve block Pump unit and oil tank Oil tank A A C D E F Motor B Note : The above list is complied with rudder turning angle ±35 deg, and electric source of 60Hz. Steering gear for special particulars are available with us under high workmanship design. Type YSFC-20 YSFC-30 YSFC-40 YSFC-50 YSFC-60 YSFC-80 Torque at maximum working oil pressure t-m 23 32 45 53 63 72 86 kN-m 226 314 441 520 618 706 844 Rudder turning speed deg/sec 65/28 Normal tiller radius mm 430 470 520 560 580 650 Maximum working pressure kgf/cm2 210 220 220 215 215 185 220 Mpa 20.6 21.6 21.6 21.1 21.1 18.1 21.6 Safety valve pressure (Design pressure) kgf/cm2 263 275 275 269 269 232 275 Mpa 25.8 27 27 26.4 26.4 22.7 27 Motor Output kW 7.5 × 2 11 × 2 15(7.5) × 2 18.5(11) × 2 22(11) × 2 25(11) × 2 Number of revolutions rpm 1,800 Rating 25% - Continuous, 100% - 1 Hour, 200% - 60 sec Pump Type x Number T6C-005 × 2 T6C-006 × 2 T6C-010 × 2 (T6C-005 × 2) T6C-014 × 2 (T6C-006 × 2) T6C-017 × 2 (T6C-008 × 2) Dimensions mm A 1520 1685 1845 1945 2020 2225 B 430 470 520 560 580 650 C 675 740 815 880 910 1015 D 785 815 815 815 1000 1000 E 175 190 205 215 220 240 F 1020 1030 1040 1050 1200 1220 Specifications & Dimensions YSFC-TYPE Out of Scope of Supply YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears P:18 18 ¯ YOOWON INDUSTRIES LTD. Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd. Head Office 1-1 Akunoura-Machi, Nagasaki, 850-8610, Japan Tel : +81-95-828-6970 Fax : +81-95-828-6633 URL : http://www.mhi-mme.com/ SERVICE CENTER For Customers Worldwide • MHI Marine Engineering Ltd. Tamachi Center Building 34-7 Shiba 5-Chome Minato-ku, Tokyo, 108-0014, Japan Tel : +81-3-3798-5941 Fax : +81-3-3798-5943 E-mail : [email protected] [General inquiries for after sales services] • Service Business Department Tel : +81-95-808-0505 Fax : +81-95-828-6015 URL : http://www.mhi-mme.com/ For Customers in Japan • MHI Marine Engineering Ltd. Tamachi Center Building 34-7 Shiba 5-Chome Minato-ku, Tokyo, 108-0014, Japan Tel : +81-3-3798-5941 Fax : +81-3-3798-5943 E-mail : [email protected] • MHI Marine Engineering Ltd.(Nagasaki) 3th floor. 1-1, Akunoura-machi, Nagasaki, 850-8610, Japan Tel : +81-95-828-6070 Fax : +81-95-828-6015 • Samayu co., Ltd. 4-31 Ohgi-machi Chofu, Shimonoseki, Japan 752-0927 Tel : +81-83-248-3411 Fax : +81-83-248-2771 URL : http://www.samayu.co.jp/English/index.html Service Networks of YOOWON-Mitsubishi Electro-hydraulic Steering Gear London ● Singapore ● Shanghai ●Shimonoseki Nagasaki ● Netherlands ●Turkey Busan ● ●Tokyo P:19 YOOWON INDUSTRIES LTD. ¯ 19 OVERSEAS BASES London Branch • Mitsubishi Heavy Industries Europe. Ltd. (MHIE) 4th floor International Buildings, 71Kingsway, London, WC2B 6ST, United Kingdom Tel : +44-20-7421-6287 Fax : +44-20-7421-6201 URL : http://www.mhie.com Singapore Branch • Mitsubishi Heavy Industries Asia Pacific Pte. Ltd. (MHI-AP) 150 Beach Road, #29-00 Gateway West, Singapore 189720 Tel : +65-6305-5461 Fax : +65-6396-5871 URL : http://www.mhiap.com SERVICE PARTNERS Netherlands • Fuji Trading (Marine) B.V Turkey • IHI Marine B.V China • IMCS Marine (Shanghai) Co., Ltd. Japan • Samayu Co., Ltd. Singpore • Daikai Engineering Pte. Ltd. • Shinsei Engineering Pte. Ltd. • Samayu co., Ltd. United States of America • Far East Marine Service Inc. Shanghai Branch • Mitsubishi Heavy Industries (Shanghai) Co., Ltd. (MHISH) 26th floor, Hang Seng Bank Tower, 1000 Lujiazui Ring Road, Pudong New Area, Shanghai 200120, China Tel : +86-21-6841-3030 Fax : +86-21-6841-5222 URL : http://www.mhi.com.cn/ Busan Branch • MHI Korea. Ltd. (Busan office) 17th Samsung Fire & Marine Insurance Bldg. #1205-22 Choryang-1dong, Dong-gu, Busan, 601-728, Korea Tel : +82-51-442-5901 Fax : +82-51-462-0805 URL : http://www.mhik.com/ ● YOOWON INDUSTRIES LTD. 23, Eulsukdo-daero 677beon-gil, Saha-gu, Busan, 49397, Rep. of KOREA TEL : +82-51-205-8541, +82-51-719-6600 FAX : +82-51-205-8540 http://www.yoowonind.com Email: [email protected] [email protected] [email protected] Houston● YOOWON-MITSUBISHI Electro-Hydraulic Steering Gears P:20 CAT. No. MHI / yw201709 Rev.5 Head Office and Factory 23, Eulsukdo-daero 677beon-gil, Saha-gu, Busan, 49397, Rep. of KOREA TEL : +82-51-205-8541, +82-51-719-6600 FAX : +82-51-205-8540 http://www.yoowonind.com Email: [email protected] [email protected] [email protected] No.1 & No.2 Factory YOOWON INDUSTRIES LTD. 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