Spesifikasi Unit HD785-7 Komatsu

Spesifikasi Unit HD785-7 Komatsu - Komatsu adalah sala satu perusahaan penyedia unit alat berat terutama untuk pertambangan, memang kita ketahui banyak perusahaan yang sama namun untuk komatsu ini sendiri merupakan perusahaan asal jepang yang khusus membuat unit alat berat untuk kegiatan pertambangan, sedangkan di Indonesia yang menjadi distributor resmunya adalah United Tracktor (UT) yang merupakan perusahaan ASTRA GROUP.

Untuk lebih memperdalam pengetahuan sobat tentang unit HD785-7 dari Komatsu, melalui artikel saya kali ini akan saya bahas tentang apa saja yang Spesifikasi yang dimiliki oleh Unit HD785-7 Komatsu. Materi ini bisa juga dijadikan sebagai bahan pembelajaran bagi pekerja tambang baru, sehingga silangkan bagi sobat yang memerlukan bahan terkait pembelajaran tentang unit Komatsu dan terutama HD785-7 bahan ini sangat cocok dan bisa sobat copy secara gratis.

Berikut Spesifikasi Unit HD785-7 Komatsu :

Improvement items / Selling features

Excellent Productivity　 

< DANTOTSU >

①The Best-in this Class of his Class: 895KW （1,217HP)～ 698 KW

・ Climbing Speed at load ：10% Gradient ：１５％ Up compared with HD785-5 

②Two- Speed Reverse Gear with Lock Up range

　　・Loaded Upgrade Climbing Speed：＋１００％UP compared with HD785-5,　  

      ４０％Up than CAT

③ Increase the Capacity of Retarder l：

　　・Absorbing capacity at continuous descending ：　（1092KW　( op:1394 )　　　　　　

      1394)  vs.HD785-5 993KW(op: 1294), 777D 895KW, EH1700 1052KW

Lowered Fuel Consumption

①ＶＨPC (Variable Horsepower Control ) 

  ・P-mode： same or more than than EH-1700

  ・E-mode： same or more than HD785-5 P-mode

  ・10% reduction compared with HD785-5 at medium, light load 

To comply EPA Regulation Tire 2 

①EPA/Tier2 Ex-Gas ： SAA12V140E-3　Engine

②Poor Fuel Spec. will be prepared by Jun.6, 2006

Correspondence to Environment

①Lead Free Radiator ：Adoption of Aluminum Radiator

②.Adopted the Oil catcher from Floating Seal at Rear Axle

Brake ：　Safety & Reliability Increasing

① ４-Wheel Auto Retarder

　　　・ARSC：Braking Stability & Operation Ability           

         Improvement

②　Fully Hydraulic： Braking System

③　４Wheel Wet Type Brakes

④　Exhaust Brake ( Japan ： STD, Overseas ： OPT )

Comfort ability / Operability

①Noise at Operator Ears △４dB(A)

　　・ Integral ROPS  CAB with viscous mounts

② Reduction of Shift Shock

　　　・ K-ATOMICS with Skip-Shift

③ Operability

　　　・ Adoption of Electric dump control

④ Monitor / Controller in conformity with KOMNET

　　　

R&M  Reduction

① Fully-Hydraulic ： controlled Brake

② 4-wheel wet disk brakes

③ Capacity is increased ：　Suspension Cylinder

                                        Brake Disk

④ Wedge Type Rim to Flange Type RIm

⑤VHMS ： Standard

Fuel Consumption Simulation(Sample)

HD785-5 P-mode、HD785-7 E-mode

①-1. t / h           More than same (+2%)

①-2. l/h             Lesser (△2%)

①-3.Per/ ton　 (l / t  △４％）

Middle & Light Load

Comparing with P-Mode of -5, E-Mode of  -7

Production & t/h ： Equal、 l/h： Improved 

②-1　Flat Course　　②-2　Light Load Course

Fuel rate, Production rate Production will be differed by the loading, Operation and hauling road conditions

Product Comparison

Main Specification HD785

VHPC ( Variable Horsepower Control)

VHPC ( Variable Horsepower Control)

High Output HP and Realize to Control HP  accommodate with Operation

Engine Torque Carve Kgm

Engine Rev.  rpm

Power Mode, Super Productivity, High Out (1217ps)

Economy Mode ：Same Productivity with HD785-5

Remarks

1.L stands for Loaded

2. E stands for Empty

Engine Combustion Characteristic Improvement

Sophisticated Speed RangeChange Shifting Point with Speed Acceleration automatically

Change  Shifting Point with Acceleration Pedal depressing angle

Change Engine Power according to Loaded or Empty　(VHPC)

Reducing Loss Power

1. BCV (Brake Cooling valve ) Adoption
2. S/T･H/T Circuit LS (Load Sensing ) System
3. T/M Main Relief Pressure according to the Shift Range
4. T/C-T/M Pump Tandem Adoption
5. T/M Lubrication Oil Volume Change according to the Shift Range
6. Engine Rated Revolution Reducing (1900rpm <- 2000rpm)
7. ﾘﾔﾌﾞﾚｰｷﾃﾞｨｽｸ切代ｱｯﾌﾟ
8. Hybrid Fan                           * 1 and 2 System were employed on HD785-5

SAA12V140E-3 Engine

Engine Technology

１．Total Control Machine and Engine ( Combined Control of E/N and T/M with Electronics )

２．Common Rail Injection (CRI) 

３．Best Combustion、( High Pressure Injection,  Injection,  Electric Control )

４．Air After Cooler 

Brake & Axle :  Main Improvement

• [safety, Reliability were Improved
• Fully-Hydraulic controlled Brake 
• 4 Wheels  Wet  Brake Disks
•  Incorporated Parking Brake at 4 wheels
• Reinforced Brake Disk( Disk Area, Disk Teeth )
• Reinforced Bevel Gear
• Improved Manipulation of braking at Down Slope]
•  4-Wheels Auto Retarder

             [Improved Maintenance Ability]
             Flange Rim

ARSC ( Auto Retard Speed control )

Realizing Fixed Slope Descending Speed by ARSC

• Possible to adjust 10～55km/h at Descending Speed
• Tap Operation can adjust ±5km/h, can  adjust in Fine  
• Retarder Oil Overheating Caution Lamp
• 4 –Wheels Auto Retarder

Similar with Autocruise feeling

• Concentrating Steering
• Operation for operator
• Improve Hauling efficiency
• Reduce Operator Fatigue

Demikian ulasan terkait apa saja Spesifikasi Unit HD785-7 Komatsu yang bisa saya sampaikan, untuk detail kelengkapan lainnya akan saya tambahkan di kemudian hari ya sobat. Mudah mudahan informasi terkait Spesifikasi Unit HD785-7 Komatsu ini dapat membantu sobat dalam memahami apa saja yang ada pada komponen unti komatsu HD785. Jika ada pertanyaan lebih mendalam silahkan sobat berikan pertanyaan di kolom komentar, jika ada waktu luang pasti akan saya balas sesuai pengetahuan dan kemampuan saya.

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