GỒM CÁC PHẦN: Cab & Operator Environment.ppt Electronic Control Systems.ppt Electronics Control System – Monitors Recap.ppt Hydraulics.ppt Improved_CSS.ppt Introduction.ppt Mechanicals Power Trainand Structures.PPT Technical Presentation Ki
Technical Presentation KitTechnical Presentation KitHydraulic ExcavatorsHydraulic ExcavatorsNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUIntroductionIntroductionSection 1Section 1Basic Orientation MAPBasic Orientation MAP PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUPRODUCTIVITY FEATURES [NO.1]HIGH OUTPUT ENGINEIf you want to carry out more work and you have the choice between two machines of more or less the same performance, remember that power makes the difference. The engine on the PC1250 is the highest in its class: it is 29 kW (39 HP) larger than on the current machine and 7 kW (9 HP) larger than Hitachi EX1200.Model HitachiItem PC1250-7 PC1100-6 EX1200-5Engine model — Komatsu SAA6D170E-3 Komatsu SAA6D170E-2 MHI S6R-Y1TAA1Engine output kW/rpm {HP/rpm} 485/1800 {650/1800} 456/1800 {611/1800} 478/1650 {641/1650}Piston displacement ltr (cu.in) 23.2 (1416) 23.2 (1416) 24.5 (1495)Aftercooler — Air-cooled Air-cooled Air-cooled980 × 904 × 65 980 × 708 × 65(38.6 × 35.6 × 2.6) (38.6 × 27.9 × 2.6)Aftercooler core size mm (in)Komatsu PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUPRODUCTIVITY FEATURES [NO.2]Air-cooled after coolerAn air-cooled after cooler with excellent cooling efficiency is used.By reducing the temperature of the air supply, it has become possible to realize high output while reducing NOx.COOLING SYSTEMCharge-Air-cooledKOMATSU SAA6D170E-3CAC now wider than PC1100-6 PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUPRODUCTIVITY FEATURES [NO.3]2-WORKING MODES (A·E)Active mode (A mode) supplies maximum engine power resulting in high levels of production.Economy mode (E mode) improves fuel consumption. PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUPRODUCTIVITY FEATURES [NO.4]LARGE BUCKET CAPACITY(LARGEST IN ITS CLASS)Increasing the weight of the machine and moving the center of gravity to the rear has made it possible to increase the bucket capacity by 4%, which gives this machine the largest bucket capacity in its class.Machine weight increasedThe weight of the machine has been increased approx. 4 tons (4.8 U.S. tons). PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUPRODUCTIVITY FEATURES [NO.5]Improvement in machine stabilityThe weight of the counterweight has been increased from 17.4 tons (19.2 U.S. tons) to 18.0 tons (19.8 U.S. tons). PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUPRODUCTIVITY FEATURES [NO.6]Good capacity loading ratio (large mouth, shallow bucket bottom)The bucket capacity loading ratio has been improved by the large digging force and the shape of the bucket with its large mouth and shallow bottom.ModelItem PC1250-7 PC1100-6 PC1250-7 PC1100-6Bucket capacity m3 (cu.yd) 5.2 (6.8) 5.0 (6.5) 6.7 (8.8) 6.5 (8.5)A m (in) 2.11 (83.1) 2.11 (83.1) 2.34 (92.1) 2.34 (92.1)B m (in) 1.99 (78.3) 1.92 (75.6) 2.05 (80.7) 1.98 (78.0)A × B m2 (in2) 4.20 (6510) 4.05 (6280) 4.80 (7430) 4.63 (7180)A × B ratio — 1.04 1.00 1.04 1.00SP versionHeavy duty version PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENURELIABILITY AND DURABILITY FEATURES [NO.1]Strengthening of boomThe basic strength of the boom was increased when PC1000 was model-changed into PC1100. Keeping this strength, the boom of PC1250 is farther improved. PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENURELIABILITY AND DURABILITY FEATURES [NO.2]Strengthening of armThe basic strength of the arm was increased when PC1000 was model-changed into PC1100. Keeping this strength, the arm of PC1250 is farther improved. PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENURELIABILITY AND DURABILITY FEATURES [NO.3]Strengthened bucket with wear-resistant plates and shrouds1. Quarries, sand and gravel, miningThis bucket is used to load blasted rocks in heavy rock applications of all types.The side plates and bottom plates are thickened to increase the rigidity of the whole bucket. [...]... non-interchangeability Replacement of SAA6D170E-3 engine to meet Tier 2 emission regulation Change in engine output Changed to O-ring face seal type Spool of Boom-Hi changed Spool of Boom and Arm changed Spline of output shaft and hoses changed Commonality with the PC400 Sun-gear of 1st is changed PREV NEXT FIRST LAST MENU EXIT INTERCHANGEABILITY [NO.2] Interchangeability between PC125 0-7 and PC110 0-6 ... ENVIRONMENT-FRIENDLY MACHINE [NO.1] The engine meets Tier 2 emission regulations in USA, Europe and Japan Tier 2 emission regulations The quantity of NOx and PM (Particulate) must be the following values or below PC125 0-7 s discharge amount of NOx and PM are reduced by 35% and 63%compared with that of PC110 0-6 respectively PREV NEXT FIRST LAST MENU EXIT ENVIRONMENT-FRIENDLY MACHINE [NO.2] Low-noise... Comsumable parts Unit Interchangeability between PC125 0-7 and PC110 0-6 Name Work equipment PPC valve Traveling PPC valve Shuttle valve assembly PTO Solenoid valve Air conditioner Counterweight Engine oil filter Fuel filter Hydraulic filter Air cleaner element Fan belt Hydraulic hose Bucket tooth (Heavy-duty version) Bucket tooth (STD version) Bucket adapter (Heavy-duty version) Bucket adapter (STD version)... sound energy is reduced by 50%.) 87.0 86.0 If the low-noise sound absorbing duct for Europe is installed, the noise level is lowered below 80 dB(A) 85.0 84.0 83.0 PC1250 85.7 PC1250(EU) PC110 84.5 PC800 82.7 82.0 81.0 80.0 79.4 79.0 78.0 77.0 76.0 PREV NEXT 1 FIRST LAST MENU EXIT INTERCHANGEABILITY [NO.1] Interchangeability between PC125 0-7 and PC110 0-6 Name Interchangeability Unit Engine assembly New... pillars which have proper rigidity, and the front blind angle is reduced by about 25% Ultra wide visibility is obtained Right-side visibility The right side pillar is eliminated to increase the right-side visibility PREV NEXT FIRST LAST MENU EXIT COMFORT FEATURES [NO.6] Multi-function color monitor PREV NEXT FIRST LAST MENU EXIT EASY MAINTENANCE [NO.1] EMMS (Equipment Management Monitoring System)... New Current New Current PREV NEXT FIRST LAST MENU EXIT AVAILABLE VERSIONS [NO.1] Outline of Heavy-duty version (comparison with standard version) PREV NEXT FIRST LAST MENU EXIT AVAILABLE VERSIONS [NO.2] Outline of SP version (comparison with heavy-duty version) PREV NEXT FIRST LAST MENU EXIT PC1250 - 7 Hydraulic Excavators Technical Presentation Kit PRESENTATION MENU Introduction END Cab Structure... ELECTRIC CIRCUIT Heat-resistant wires (AEX) are utilized not only for the electric circuit of the engine, but also for other machine circuits In addition, DT connectors are used for their high resistance to water infiltration PREV NEXT FIRST LAST MENU EXIT RELIABILITY AND DURABILITY FEATURES [NO.9] HIGHLY RELIABLE FFOR HYDRAULIC PIPING New hydraulic hose connectors of O-ring face seal type... are utilized Since they are sealed with Orings, they prevent oil leakage better than the conventional connectors of taper seal type FFOR (Flat Face O- Ring) system is ISO compliant for high pressure FFOR Class B selected by design team to best retain o-rings at assy PREV NEXT FIRST LAST MENU EXIT RELIABILITY AND DURABILITY FEATURES [NO.10] LONG LIFE HOSES Improvement of hydraulic hoses between... prevent entry of dust even in dusty environment Since the air tightness of the cab is improved, the internal pressure is increased to 10 mm Aq (0.4 in Aq) when the air conditioner is operated (in the fresh-air-in mode) This internal pressure prevents dust from entering the cab PREV NEXT FIRST LAST MENU EXIT COMFORT FEATURES [NO.4] Washable floor mat A flanged floor mat is utilized so that the inside of... PRESENTATION MENU Introduction END Cab Structure & Monitor Mechanicals Hydraulic System Electronic Control System INTRODUCTION SECTION Testing & Adjusting Troubleshooting Created by: Komatsu America International Company Service Training Department PREV EXIT . Hitachi EX1200.Model HitachiItem PC125 0-7 PC110 0-6 EX120 0-5 Engine model — Komatsu SAA6D170E-3 Komatsu SAA6D170E-2 MHI S6R-Y1TAA1Engine output kW/rpm {HP/rpm}. SYSTEMCharge-Air-cooledKOMATSU SAA6D170E-3CAC now wider than PC110 0-6 PREVPREVNEXTNEXTFIRSTFIRSTLASTLASTEXITEXITMENUMENUPRODUCTIVITY FEATURES [NO.3]2-WORKING