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INDEXHOME Introduction of the new Daihatsu Diesel Diesel engine Introduction Specification Comparison HOME Index index Introduction Specification Comparison Introduction Concept Principal data of DC-17 Sectional plan Features Benefits ISO 9001 / ISO 14001 1.Designed for easy installation and operation 2.High reliability,durability,and low running cost DSP system / Maintenance tools Major parts (with dimension) 3.Efficient combustion with smaller bore diameter CFD analysis Low load limit with heavy fuel oil Reliability and durability of 900min-1 engine under heavy fuel operation 4.Environmental Awareness 5.Compatibility with Electronic Commerce / 6.Simple Fresh Water Cooling System 7.Integrated Engine Safety, Control, and Monitoring System (Option) 8.Electronic fuel injection device (Option) 9. Required working hours for engine maintenance / 10.Maintenance interval and parts life 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 INDEXHOME Concept 1 Introduction Specification Comparison INDEXHOME Introduction Specification Comparison Principal Data of DC-17 Number of Cylinder Cylinder Bore × Piston Stoke Stroke/Bore-Ratio Engine Speed Piston Speed Generator Output Break Mean Effective Pressure Max. Combustion Pressure Fuel Oil Engine dry Mass Generator Set dry Mass (mm) (min -1 ) (m/s) (kWe) (MPa) (MPa) (kg) (kg) 5 440 2.09 5,600 9,930 900 8.1 1,000 9.0 6 560 2.21 6,250 11,000 900 8.1 1,000 9.0 φ170 × 270 1.59 16 up to 700 mm 2 /s @ 50°C (CIMAC H55) Engine Model 5DC-17 6DC-17 2 INDEXHOME Sectional plan Fuel injection system Piston Cam and camshaft Connecting Rod Crank shaft Cylinder Head Exhaust Pipe Cylinder Liner Frame Main Metal / Crankpin Metal 3 *Special cast iron for high resistance to heat and pressure *Optimal swirl port *Effective cooling of F.O. injection valve area *Hydraulically tightened four studs *DSP (Single pipe) system *Optimal matching of inlet and exhaust timing *Passage design for maximum turbo charger efficiency *Special cast iron material for durability *Use of protect ring *Optimal cooling design *Aluminium metal alloy for maximum resistance to wear, corrosion, and pressure. *High rigidity monoblock structure *Hydraulic tightening for main bearing holder and side bolt *Good accessibility for inspection and maintenance *Frame casting with cooling water and air passage *L.O. passage drilled into the frame *Large diameter cams for durability against high F.O. injection pressure *Two piece unit cam *High compression ratio (S/B =1.59) and optimal combustion chamber design *3 rings *Top & 2nd ring groove hardened *Block type high-pressure pipe *Mono-block plunger barrel *Non-cooled fuel nozzle *Horizontally cut 3 piece design *Big end portion tightened hydraulically *Manufactured by CGF method *Dynamic analysis for optimum design *Shaft diameter for optimum oil film thickness *Highly balanced Introduction Specification Comparison INDEXHOME Comparison Features 4 1. Designed for easy installation and operation Pipeless structure with fewer pipe connection points and concentrated auxiliary parts 3D-CAD DATA 1) Piping Reduction *Concentration of connection points and reduction in number of pipes 2) Piping Structure *No exterior piping for cooling water and lubrication oil. *Non-cooled F.O. nozzle as standard *Parts number reduced by 50% compared to conventional engine 3) Easy Maintenance *Inlet and exhaust piping on the same side of the engine for easy inspection and overhaul of the F.O. pump. *Auxiliary parts concentrated in one area for easy maintenance. F.O. LEAK OUTLET F.O. OUTLET F.W. INLET F.W. OUTLET F.O. INLET Introduction Specification Comparison INDEXHOME Features 5 2. High reliability, durability, and low running cost 1) Low F.O. consumption with smaller bore (Thermal efficiency = 40%) 2) Low L.O. consumption and longer cylinder liner duration by the use of the protect ring 3) Easy assembly / disassembly procedure *Simple design with fewer parts number *Efficient maintenance tools *Horizontally cut 3 piece connecting rods 4) Compact design of major and replacement parts Without liner protect ring Combustion process Upward stroke Combustion process Upward stroke Cylinder Liner Partial Wear Calcium Composition Hard Composite Material (Lub. oil &F.O.residue) Lack of Piston Gap Leads to Lub. oil Scraping Scraping-off Carbon Deposit Protect Cylinder Liner from Flame Reduce Top-ring Temperature Secure Piston Gap for Prevention of Lub. Oil Scraping Effect of "Liner Protect Ring" Introduction Specification Comparison INDEXHOME Features 6 2. High reliability, durability, and low running cost Exterior view of the DSP exhaust pipe Maintenance tools (Cylinder head) Maintenance tools (Main bearing holder) Maintenance tools (Connecting rod big end portion) Hydraulic Jack Hydraulic Jack Hydraulic Jack Benefits of DSP (Daihatsu Single Pipe) system 1) Higher turbocharger efficiency 2) Simple design for easier maintenance 3) Fewer parts Introduction Specification Comparison INDEXHOME 7 2. Major parts (with dimension) Piston assy Intake / Exhaust Valve Connecting rod assy DK-20 DC-17 20.0kg 10.5kg 0.6kg 0.4kg 0.6kg 0.4kg 43.0kg 26.5kg 283 Ø200 Ø170 230 291.5 291.5 Ø14 Ø14 Ø64 Ø64 Ø56Ø56 Ø12Ø12 249 249 72 81 260 78 81160 550 60 145 480 65 55 64 Features High reliability, durability, and low running cost Introduction Specification Comparison INDEXHOME 8 3. Combustion technology for low load / heavy fuel oil operation with smaller bore 1) Optimum engine parameter (bore, stroke, compression ratio, pressure ratio, inlet and exhaust valve diameter, timing, injection system, etc.) 2) Optimal swirl combustion 3) Increase of stroke / bore ratio 4) Use of piston with high compression ratio 5) Optimal combustion pressure and injection pressure 6) Reduced mechanical loss and air flow resistance loss 7) Simple fresh water cooling system with the use of 2 stage intercooler for different coolant temperature Combustion chamber with high-pressure ratio (mm) 340 320 300 280 260 240 220 200 180 160 170 180 190 200 210 220 (mm) Bore (B) Stroke (S) S/B=1.6 S/B=1.5 DK-20 DC-17 Conventional Engine DC-17 Conventional Engine =15.0 SB3 SB1 TC1 AC1 SB2 23 MP12 MP11 3 PI1 MP2 MP5MP6MP7MP8MP9MP10 MP3 MP4 J6 J5 J4 J3 J2 J1 MP1 1 456789 101112131415 161718192021 Features Efficient combustion with smaller bore diameter Pressure fluctuation analysis Analysis model diagram Comparison of Stroke / Bore ratio Engine parameter optimisation simulation Introduction Specification Comparison [...]... less space is required for installation HOME INDEX Introduction Specification Comparison 17 Daihatsu Diesel's engines, gas engines, reduction gears, gas turbines and other products are manufactured under excellent quality assurance systems which conform to ISO 9001 The industry-leading quality assurance systems of Daihatsu Diesel's Headquarters and Moriyama Works, covering every aspect of design, development,... first manufacturer in this field in Japan to be accredited for this aspect — are certified as satisfying the requirements of ISO 9001 As a result all engines, gas turbines and marine-use equipment of Daihatsu Diesel are manufactured under quality assurance systems that also meet the requirements of EN ISO 9001, JIS Z9901 and BSEN ISO 9001 The compliance audit was performed by Lloyd's Register Quality . INDEXHOME Introduction of the new Daihatsu Diesel Diesel engine Introduction Specification Comparison HOME Index index Introduction. tools (Connecting rod big end portion) Hydraulic Jack Hydraulic Jack Hydraulic Jack Benefits of DSP (Daihatsu Single Pipe) system 1) Higher turbocharger efficiency 2) Simple design for easier maintenance 3). meaning less space is required for installation Introduction Specification Comparison INDEXHOME 18 Daihatsu Diesel's engines, gas engines, reduction gears, gas turbines and other products are