New Hydraulic System Coal Mining Excavator

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Specification of New hydraulic system  Coal Mining Excavator:


Technical Spec. of WK-10C

Dipper (standard)12m3  Hoist motor, rated power2x315kW/690VAC
Dipper capacity8m3 -16m3Digging radius (max)18.90m
Hoist speed1.50m /sHeight of cut (max)13.53m
Crowd speed0.58m /sDumping radius (max)16.25m
Propel speed0.96km/hDumping height (max)-door open 8.60m
Max. hoist force1110kNDepth of cut2.20m
Max. crowd force541kNWorking weight490t
Max. gradeability13°Theoretical productivity1490m3 /h


Usage of New hydraulic system  Coal Mining Excavator:

Mining excavator is mainly used in underground mine, particularly for transporting excavated rock. It can also be used for the construction of railway, highways, water conservancy

and other tunnel projects. It is particularly suitable for poor working conditions, narrow operating site, low and muddy operating surface.


This machine employs DEUTZ air-cooled low-pollution engine which is advanced in today’s world and is deployed with dry-type platinum exhaust cleaner and silencer provided

by ECS.


Its transmission system uses hydraulic torque converter and power-shift transmission provided by DANA and thus it boasts light, convenient control, and smooth operation. The

vehicle’s hydraulic system mainly adopts the components provided by parker. The well-designed main frame structure ensures ruggedness and high efficiency.


Braking system uses full-hydraulic two-line mechanism, and comes equipped with fully enclosed multiple wet discs brake and ON-SPIN limited-slip differential for safe and

reliable operation in poor environments with high moisture content or on muddy roadways. It is designed with full hydraulic steering and manual control.


The new hydraulic system can accurately realize driver’s operation intention and can realize


stable feeling and powerful digging force which drivers longing for, the biggest characteristic is


non-hydraulic interference.

It will not be affected by loading even if it is operated over two work devices at the same time.

It will allocate all pump delivery to all of work devices to make the relative speeds of work

devices keep unchangeable and make controlling performance and operation improved

as per operating quantity of all of operating levers.

Moreover, the installation of other accessories is also very convenient.


Picture of New hydraulic system  Coal Mining Excavator:

New Hydraulic System Coal Mining Excavator

 New Hydraulic System Coal Mining Excavator



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Q:Design points of vibrating screen
In general, the ratio of length and width of the screen surface is 2~3. for coarse material screening and screen length is 3.5~4m; for the fine material screening and screen length is 5~6m; for the material's dehydration and sculping screen, screen length is 6~7m; the screen surface of pre screening can be short. The final screening of the screen surface should be longer.The screen width and length series, most of the arithmetic progression. It is more convenient to use, but because the mantissa neat. Arithmetic series relative difference is not balanced, with the sequence of growth, the relative difference will drop rapidly, therefore, in some screening machine series, can only use two series tolerances.Selection of wire here, screen surface, take the mesh size is 8mm, light steel wire diameter D is 2mm, the opening rate is 64%, the length and width ratio of 3:1.
Q:What should be paid attention to when ultrasonic vibration sieve transducer is used?
The main thing is to pay attention to the temperature of the transducer. And the matching of the circuit and transducer.
Q:General ultrasonic vibration sieve for the purpose of how many nets, 100 of the target material does not add ultrasonic influence?
The ultrasonic vibration sieve mainly aims at the screening of ultra fine powder materials and some materials with adsorption, sticky net, electrostatic and light weight
Q:What are the requirements for the use of ultrasonic vibrating screens?
Ultrasonic vibration screen should pay attention to the power supply positive and negative pole, maximum current, screen mesh, screen frame, ultrasonic system installation, material characteristics
Q:A formula for calculating the natural frequencies of vibrating screens
The above is a simple method to calculate the amount of vibration sieve. It can be seen that the biggest factor associated with the sieve component is the size of the vibrating screen mesh, mesh density, vibration frequency, material density, material viscosity, percentage of screening material and so on
Q:What's the difference between YK series round vibrating screen and YKR series round vibrating screen?
YKR in which Y stands for circular vibrating screens, K stands for block eccentricity, and R denotes flexible connections. Without R, it is an ordinary belt connection. However, most of them are now flexible connections, and even vibrate directly with the side plates.
Q:What kind of material is the vibrating screen generally?
Pu screen is generally, good wear resistance.
Q:What are the main equipment used in horizontal vibration motors?
It is a vibration equipment specialized motor, of course, can use more placesThere are many advantages, too:1 、 high vibration force utilization, low energy consumption, low noise and long service life.2, the vibration motor vibration force can be stepless regulation, easy to use.3, widely used in hydropower construction, thermal power generation, construction, building materials, chemical, mining, coal, metallurgy, light industry and other industrial sectors.4 each end of the shaft is provided with a fixed eccentric block and an adjustable eccentric block to adjust the included angle between the adjustable eccentric block and the fixed eccentric block to change the excitation
Q:What are the precautions for using a linear vibrating screen?
When stopping the use of linear screen, the material must be stopped until the material of the vibrating screen and the vibrating motor are closed at the end of the screening so as to avoid waste of materials and reduce the difficulty of cleaning the straight line screen.
Q:What's the function of the vibrating screen motor?
Vibration sieve motor must be as a power source, is the work of the vibration sieve, relying on motor transmission to the main shaft of the exciter, because of vibration on the uneven weight of the centrifugal force of inertia, the screen box vibration.

1. Manufacturer Overview

Location Shanghai,China
Year Established 1999
Annual Output Value Above US$100 Million
Main Markets

Mid East;Western Europe;North America
Company Certifications ISO 9001:2008;

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shanghai
Export Percentage 0.4
No.of Employees in Trade Department 160 People
Language Spoken: English;Chinese;Japanese
b)Factory Information  
Factory Size: Above 22,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average