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Doosan engineering machinery product explanation – excavator

On March 28, 2013, doosan engineering machinery in the water cube blockbuster released its latest product in 2013. Today, repair-guidebook.com is going to introduce is the author of the new product conference excavator product — DX420LC, DX500LC/DX500LC – G, small DX80 dig, these three products according to different conditions respectively, on the basis of original products is improved and upgraded.

DX420LC mining excavator
Rated power: net of 218 kw (293 HP) / 2000 RPM
Weight: 41500 kg
Bucket capacity (PCSA) : 1.90 m after
New generation DX420LC excavator series not only inherited the mature DH420LC – 7 series of advantage, and improve the production efficiency and durability. This makes a new generation of DX420LC series excavator can not only more widely application and mining, infrastructure and other fields, and more adapted to extreme operating environment.

Work performance:
DX420LC greatly improved rotary turn, traction, arm and arm mobility and control precision. Use large capacity standard of heavy duty bucket, makes DX420LC have excellent efficiency, enough to cope with various challenges brought by the working environment.
The engine
Models: DE12TIS
Type: 4 stroke, water cooling, direct injection
Inhalation: turbo, air cooling
Cylinder count: 6
Cylinder size: 123 mm
Piston stroke: 155 mm
Rated power: 218 kw (218 HP) / 2000 RPM
Governor: mechanical speed

DX420LC based on old model of P and S, E mode has been added. Doosan E model adopts the unique technology, while working at low load more fuel-efficient.
Slope efficiency is higher
DX420LC by doosan Mottrol manufacturing one-piece walking speed reducer motor and rotary motor, significantly improves the mechanical efficiency and durability. DX420LC rotary torque increased by 28%, the slope of operating performance is higher. DX420LC traction increased by 17%, climbing ability is stronger.
DX420LC e – EPOS system
New e – EPOS system CAN control (ControllerArea Network communication way, to realize information sharing, make the equipment of the hydraulic system and engine running under the best condition.
– selectivity of power mode and standard mode, to ensure the efficient operation
– dashboard display equipment operation and fault information – using automatic idle speed control, reduce noise and reducing fuel consumption
Walking speed switch functions – equipped with oil control
– a failure occurs, to support self diagnosis

comfort
DX420LC equipped with the new DX series cab, improves the operation convenience and comfort of the driver. Reduce fatigue, increase working efficiency.
The new DX series cab sealing is greatly increased, has good dustproof function. Used with enhanced automatic air conditioning system, DX420LC in any climate environment can provide comfortable working environment. In addition, DX series bridge provides the driver with good visibility and more space. And easy to users comfortable characteristics (enhanced seat control, more storage space, the cup frame, stronger cooling system, the lower door handle), significantly increased the comfort.

Multi-function color LCD monitor
High-tech combination of color LCD monitor system and e – EPOS controller, easy to master the equipment startup and maintenance information. First adopts LCD display, easy to grasp the working status, increase the self diagnosis function, can quickly diagnose fault accurately.

Luxurious and comfortable driving space, centralized application Settings limousines, widely used in metal panel set all the buttons, maximize operating convenience and work efficiency.
Operating handle by improving the lever, and the ascending DX420LC high-precision handling. Through the adoption of new durability of oil seal and material to reduce spillage control lever. By adding the oil seal, o-rings materials reduce the spill.

reliability
DX420LC based on mining the customer’s advice is designed to be able to all-weather work in the bad working environment. The height of the front body durability, coupled with high performance hydraulic and cooling system, make it better able to work at the same time, and reduce the failure rate significantly.
Movable arm and bucket rod
– DX420LC big forearm with thick plate, used in large roots and bearing parts of the forearm was reinforced, relative to the DH420-7, DX420LC overall structure has been greatly enhanced.
– the big arm roots adopts cast steel materials, longer life, lower failure rate.
– on both ends of the forearm and force to strengthen the part.
– hydraulic cylinder adopts new material of oil seal, use the new heat treatment technique results in better hardness and strength of the cylinder body, cylinder block fatigue life of cylinder 9 times that of the traditional, so DX420LC cylinder leakage to reduce, increase service life.
– reduce the welding points, utmost ground to avoid the stress concentration caused by cracking.
– the forearm and bucket joint adopts high-performance bushing, pin, and new material of the gaskets, reduced the fit clearance, reduce friction noise, to ensure the reliable work.
Adapt to extreme operating environment
Mining equipment to work in all kinds of extreme working environment, high altitude, high/low temperature, high humidity, the most important thing is more dust and debris. DX420LC can steadily work in such extreme operating environment, make it become bad in China the best choice of mine environment.
Air filter
The large capacity and high performance air filters can also help improve DX420LC durability in extreme operating environment. Durable new air filter device replacement cycle for 2000 hours, is four times as large as DH420LC – 7 replacement cycle. In addition, a better air filtration performance can also help in the longer time to keep the engine clean and good condition. Optional wet air filter to further improve the ability of air filter, and can be in normal operation of the dust serious area.

Oily water separator
Through the pipe in the fuel hose two installed in the door and increase maintenance convenience. During the fuel filter replacement and maintenance, by turning off the door to prevent fuel leakage.
Aluminum grating type cooling device
DX420LC adopt aluminum grating type cooling device. And compared to the traditional copper fin and tube type cooling device, the new cooling unit longer life, higher cooling efficiency. Compared with the larger fan and cooler core, new type of cooling device can help DX420LC homework in extreme weather conditions, such as at high altitude or desert to work long hours will not overheat.

DX500LC/DX500LC – G mining excavator
Rated power: net of 238 kw (318 HP) @ 2000 RPM
Weight: 48400 kg to 51100 kg
Bucket capacity (PCSA) : DX500LC: 2.14 m3 / DX500LC – G: 3.2 m3
New generation DX500LC/DX500LC – G series excavator not only inherited the mature DH500LC – 7 series in mine extreme advantage, the working environment and improve the production efficiency and durability.

Work performance
DX500LC in tonnage drivers with the bid with the bucket is the largest. Through the improvement of hydraulic system, DX500LC rotary, traction, big forearm movements more coordinate precision, etc.
Models: DE12TIS
Type: 4 stroke, water cooling, direct injection
Inhalation: turbo, air cooling
Cylinder count: 6
Cylinder size: 123 mm
Piston stroke: 155 mm
Rated power: 238 kw (238 HP) / 2000 RPM
Governor: mechanical speed
By optimizing the hydraulic and fluid control system, make its handling work faster and better. DX500LC, therefore, has the very good conforms to the operation ability, such as lifting and turning, arm and bucket mining mining, make it better for truck loading operation.
Performance on the basis of the original model of P and S, E mode has been added. Doosan E model adopts the unique technology, while working at low load more fuel-efficient.
Super digging force
DX500LC adopt large capacity standard bucket after (2.15 m), in the large mining excavation and loading operation more efficient. Optional DX500LC – G used at the same t bid with big dipper, the capacity is 3.2 m after. DX500LC -g equipped with lower movable arm and bucket and extensible pedrail support, can be in force for maximum productivity and strong mining at the same time, while maintaining a high level of stability.

DX500LC/DX500LC – G e – EPOS system
New e – EPOS system CAN control (ControllerArea Network communication way, to realize information sharing, make the equipment of the hydraulic system and engine running under the best condition.
– selectivity of power mode and standard mode, to ensure the efficient operation.
– dashboard display equipment operation and fault information – using automatic idle speed control, reduce noise and reducing fuel consumption.
– walk speed automatic switching function.
– equipped with oil control.
– a failure occurs, support and fault self diagnosis

comfort
DX500LC/DX500LC – G is equipped with the new DX series cab, improves the convenience and comfort of driving. Reduce fatigue, increase working efficiency.
Multi-function color LCD monitor
High-tech combination of color LCD monitor system and e – EPOS controller, easy to master the equipment startup and maintenance information. First adopts LCD display, easy to grasp the working status, increase the self diagnosis function, can quickly diagnose fault accurately.
The audio button operation
The radio on/off, volume control, the location of the units are in the design is easy operation.
Luxurious and comfortable driving space, centralized application Settings limousines, widely used in metal panel set all the buttons, maximize operating convenience and work efficiency.

Luxury multi-function suspension seat
Can adjust the shock around before and after the suspension seat, has high strength suspension and lumbar function such as protection.
Large capacity automatic adjust the air conditioning system
Automatic comparison of indoor temperature and set temperature, driving heat sensors in the sun radiation heat temperature, outlet and air volume, etc. Automatic adjustment to the best state.

reliability
The upper structure
DX500LC/DX500LC – G design adopted the advanced finite element analysis. Scientific design to increase the intensity of the upper structure. Through advanced structure analysis to improve the moving arm joints and movable arm oil cylinder installation parts of mechanical strength. DX500LC/DX500LC – G, therefore, increased the mechanical stability, reduce the structural distortion, deformation caused by work, to extend the service life of the machine.

Movable arm and bucket rod
– DX500LC/DX500LC – G big forearm using thickening steel, used in large roots and bearing parts of the forearm was reinforced, relative to the DH500-7, DX500LC/DX500LC – the overall structure of the G has been greatly strengthened.
– the big arm roots adopts cast steel materials, longer life, lower failure rate.
– on both ends of the forearm and force to strengthen the part.
– hydraulic cylinder adopts new material of oil seal, use the new heat treatment technique results in better hardness and strength of the cylinder body, cylinder block fatigue life of cylinder 9 times that of the traditional, so DX500LC cylinder leakage to reduce, increase service life.
– reduce the welding points, utmost ground to avoid the stress concentration caused by cracking.
– the forearm and bucket joint adopts high-performance bushing, pin, and new material of the gaskets, reduced the fit clearance, reduce friction noise, to ensure the reliable work.
bucket
– DX500LC standard rock bucket, compared with DH500LC – 7 bucket, strengthening structure, life has improved significantly.
– optional DX500LC – Giant’s biggest tonnage drivers bucket, capacity of 3.2 m. To ensure the reliable work of the big dipper, DX500LC – Giant big forearm with short arm span, extensible chassis, to ensure the stability of the whole machine.
Preparing a sex
Lower frequency of the oil in the oil
Compared with DH500LC – 7, by optimizing the combustion system and the replacement of the engine lubrication system, DX500LC consumption of engine oil was reduced by 50%, reduced maintenance costs and oil change frequency, more convenient and economic.
Front working lamp
Optional 6 front lamp can provide convenient for night operation (the option should communicate with optional 80 A large capacity generator used).

Lateral channel checkered plate
Wider side channel and the checkered plate, convenient maintenance.
Cover plate skid plate
The upper cover plate installation checkered plate, to ensure driver’s safety maintenance.
Gas spring device for the front cover, so in the case of the need for locking devices, you can easily check the battery and maintenance.

DX80 small excavators
Rated power: 56.2 HP / 2100 RPM
Work (a dozer blade weight) : 7900 kg
After after bucket capacity: 0.30 m (0.32 m)
A new generation of DX80 front-end operating speed through ascension, strengthen the lower body and front working device, walking achieved higher working efficiency and reliability.

Work performance
4 tnv98 – VDB24 engine
DX80 equipped with capacity of 56.2 horsepower (SAEJ1349, net) engine can provide strong impetus, also has excellent durability. Can work under high load condition play an excellent performance.
Model: 4 tnv98 – VDB24
Type: 4 stroke, water cooling, direct injection
Inhalation: naturally aspirated, air cooling steam
Number of cylinders: 4
Cylinder size: 98 mm
Piston stroke: 110 mm
Rated power: 56.2 HP / 2100 RPM
Governor: mechanical speed

Fast and efficient composite operation capacity of movable arm speed and rotary speed, efficient composite operation efficiency.
Strong rotary force improved rotary moment make the working condition of equipment is more suitable for a variety of complex operations, especially in the slope of the working environment more obvious advantage.
Bucket and dozer blade
In the design of bucket, from fit gives full consideration to make the end of the bucket and dozer blade scraper can be perfect together. When the movable arm folded up, bucket teeth just before reaching the location of the plow. Design details the use of concept, greatly improving the work efficiency, is of great benefit to carrying stone work also.

comfort
According to the principle of the man-machine engineering science, improve comfortable driving. Fully automatic air conditioning system, convenient reach of the operating system and all kinds of convenient system, spacious cabin and expand the cab glass area, created a best working environment for the driver.

Led display
High quality LED display enhancement working efficiency. Ensure night show effect.
Effectively expand the driver’s field of vision
By redesigning the cab front windscreen wiper on the left, right below the glass, the visor location, etc., effectively expanding the driver’s field of vision, to make it better to grasp the job status in the homework.

reliability
Front walking device and lower body reinforcement design, reveal the higher durability, and combined with the new production process, deeper and more closely to meet the demand of China’s diversified operation.
The treads of the durability of the lower body get better improved by changing the internal sealing components and optimizing the structure design, better to prevent the oil leakage phenomenon and improve the durability.
Strengthen the forearm
Application of advanced technical analysis method, stress analysis for key parts on the forearm, by optimizing the structure design, reinforcement measures, such as increase the key parts of the steel plate thickness greatly enhance the overall strength of the forearm, can improve the durability.

The hydraulic cylinder
Type of heat-resisting material, effectively improve hydraulic cylinder oil leak inside, at the same time greatly enhance its overall strength and life.

 

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2 Comments

  1. JD HYDRAULIC MACHINERY AND PARTS LTD offer the competitive price higher quanlity hydraulic cylinder assy .the warranty time 10 months . have more 1000pcs hydraulic excavator cylinder in the stock .

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