Large Engineering Construction Ship Excavator Ex1200 Dredger

• Customization: Available
• Type: Cutter Suction Dredger
• Power Type: Diesel
• Model NO.: EX1200
• Cyclone Type: Excavator Arm
• Slot Type: Excavator Bucket
• Customized: Customized
• Condition: New
• Warranty: 365 Days
• After-sales Service: Installation Guidance
• Color: Choose
• Material: Q355b(S355) and Q690d(S690ql)
• Length: OEM
• Bucket Size: Choose
• Arm Cylinder: Choose Buy
• Boom Cylinder: Choose Buy
• Counterweight: Choose Buy
• Other Parts: Choose Buy
• Max Dig Depth: Choose
• Max. Dig Height: Choose
• Transport Package: Container Shipping
• Specification: Customize OEM
• Trademark: OEM LOGO
• Origin: China Fujian
• HS Code: 84314999
• Production Capacity: 5 Set/Year

Product Description

Product Description

Large Dredger: A Giant that Helps Marine Engineering

Introduction:
In the field of modern engineering, the development of marine engineering is becoming increasingly important. In this field, large dredgers play an important role. As a powerful and efficient engineering machinery, they can not only be used for the maintenance of ports, coastlines and rivers, but also participate in major infrastructure construction projects. This article will explore in depth the working principle, application field and importance of large dredgers to marine engineering.

Part I: Working Principle
A large dredger is a marine engineering equipment with fully automated functions. Its main working principle is to carry out deep seabed dredging and landfilling operations through a dredging pipe or dredging grab. Once it reaches the construction area, the dredger lowers the dredging pipe to the bottom of the water and sucks the mud into the hull through a powerful pumping system. After the hull is filled with mud, the hull will leave the construction area and be processed in the predetermined mud treatment area. Among them, the performance of the pumping system directly affects the dredging efficiency and processing capacity of the dredger.

Part II: Application Field
Large dredgers play a key role in many engineering projects. First of all, they play an important role in port construction. Dredgers suck mud out of port waterways to maintain the depth of waterways to ensure safe passage of ships. Secondly, dredgers are often used to maintain coastlines, ensure the stability of coastlines and prevent erosion. In addition, dredgers can also be used for river dredging to improve the navigability of rivers and reduce the risk of flood disasters. In addition, large dredgers also play an important role in the installation and maintenance of submarine pipelines and the cleaning of seabed garbage.

Part III: Importance to Marine Engineering
The importance of large dredgers to marine engineering cannot be ignored. The scale of marine engineering is becoming increasingly large, requiring a large amount of soil filling and siltation. Dredgers can efficiently handle large amounts of mud, provide sufficient filling, and ensure the stability of the foundation during construction. In addition, dredgers can also help repair damaged coastlines and waterways, and protect the ecological environment and economic interests of coastal areas. By providing strong and efficient engineering support, large dredgers promote the sustainable development of marine engineering.

Conclusion:
As an important engineering machinery in marine engineering, large dredgers play a key role in port construction, coastline maintenance, river dredging, etc. Their high efficiency and automated functions enable marine engineering to be implemented more quickly and economically. As marine engineering continues to develop and the demand for sustainability increases, the role of large dredgers will become more important. We have reason to believe that dredgers will continue to play a huge role in marine engineering and create a safer and more sustainable ocean environment for mankind.

^{(1)Specifications and Standard Supply:}

Long boom	One unit	Long arm	One unit
Bucket cylinder	One unit	Standard bucket	One unit
pins	8 units	"H" linkage	One set
High pressure hoses	4 units	Steel tube	4 units
Boom cylinder	Use original cylinders	Arm cylinder	Use original cylinder

^{(2)Working Dimension:}

Excavator tonnage	T	20-25t		30-36T			40-47T
Total length	mm	15200	18000	18000	20000	22000	20000	22000	24000
Max digging radius	mm	15000	17300	17300	19200	21000	19200	21000	23000
Max cut depth	mm	10300	12500	12600	14500	16000	14500	16000	17000
Max cut depth vertically	mm	9500	11600	11700	13600	15200	13600	15200	16200
Max cut height	mm	12600	15300	15300	17300	18500	16200	17500	18750
Max unloading height	mm	10300	13000	13000	15000	16000	14000	15000	16000
Min rotate radius	mm	4750	5100	5100	6200	6200	6200	7750	7750
Boom length	mm	9100	10500	10500	11500	12500	11500	12500	13350
Stick length	mm	6100	7500	7500	8500	9500	8500	9500	10650
Stick max cut force(ISO)	KN	83	65	118	95	80	170	139	109
Bucket max cut force(ISO)	KN	150	99	153	153	153	153	153	153
Bucket capacity	m3	0.5	0.4	1.2	0.7	0.5	1	0.8	0.7
Bucket rotate degree	deg	170	170	170	170	170	170	170	170
Folding length	mm	13000	14500	15000	16000	17000	16000	17000	18000
Folding heigtht	mm	3050	3100	3300	3350	3400	3450	3480	3500
Extra Counter weight	T	1	3.5	4	5	6	5	6	8

Show us our factory's manufacturing process
I think professionals must clearly understand the difference between us and others when they see the photos of these craftsmanship.
Equipment adjustment and personnel control of the machine are the largest costs.
I hope you can choose us because of our craftsmanship and processing!

 

 YouTube video: https://youtu.be/E8NKLjx1Kxg?si=I6r5Yi4Xrd6qKrI6

 YouTube video: https://youtu.be/2jeIZXOsM4k?si=HncdoI0RThjXZgzE
 Large head-to-head boring machines :   https://youtu.be/ksdoip4A4eU

 YouTube video:  https://youtu.be/95YSCkoZSA0?si=rXOYis6a48OHUWSN

 YouTube video:  https://youtu.be/iPkim0x0JRs

Use computer programming and then use automatic pipe bending equipment to arrange oil pipes

After shot blasting, apply primer, topcoat and varnish to make the parts more shiny and the paint of the product can be retained for a longer time.

 

Company Services

1, Long reach boom are use for dredging rivers port construction, railway construction and groundwork construction, with high extensive operation scope, high efficiency and high security.
2, Our company was founded in 2008 with more than 10 years of experience, production line engineers have more than 10 years of data and experience for all brands of excavators designed and customized long range booms.
3, Applicable for all the excavator model,OEM service is also available.
4, Advanced manufacturing process, Technique is in the line with global standards.
5, We have all the installation dimensions of most excavator, we can customize this long reach boom for your excavator.
6, Before welding, we have use big edge milling machine mill(taper process) the edge of the sheet. So the welding can go to the internal of the steel-sheet and make the structure have higher performance. Also the inside have strength plate make it more stronger.
7, If necessary, extra pipeline can be added to suit to some extra application.
8, Stick cylinder of the long boom, can use your original stick cylinder to save the cost, if you need the stick cylinder, we also can prepare for you.
9, Some parts can be consolidated using thicker plate or overlapping another plate  for heavy-duty application.
10, Welding is protective-gas welding, the protective gas is 80% Argon and 20% CO2 mixed. This is golden standard for protective gas. 
11, Before welding, we have use big edge milling machine mill the edge of the sheet. So the welding can go to the internal of the steel-sheet and make the structure have higher performance.
12 .We can customize the arm for all kinds of excavator as per your request. Just let me know your request. 
13. If you need, some parts can be consolidated using thicker plate or overlapping another plate for heavy-duty application, just let me know.
 14. Not make the bucket for this extender arm as customer request. But if you need us prepare the bucket for you, that's

MODEL	LDB120	LDB200-1	LDB200-2	LDB300	LDB350-1	LDB350-2	LDB450
boom length(mm)	7100	8220	10000	10000	11000	12000	13000
arm length ( mm)	5900	7160	8000	8000	9000	10000	11000
Weight(kg)	3000	4000	4200	5200	6000	6500	7000
Max dig depth(mm)	9000	11340	12200	12200	14500	16100	18000
Max. extensive scope(mm)	12500	15100	17600	17600	19600	21600	23600
Max. dig height(mm)	11300	12510	13500	13720	14920	16100	17300
folding height(mm)	2900	2980	3040	3210	3210	3400	3400
bucket capacity(m3)	0.3	0.5	0.4	0.4	0.5	0.6	0.6
Suit Excavator tonnage(ton)	12	20	20	30	35	35	45

  Material assurance

^(3)Features:

^{1.Material :}

A.)All Q355B Steel for standard long reach boom (strenght:345Mpa).
B.)Heavy-duty long reach boom and excavator tonnage above 40ton :we use Q690D high strength steel (strength:690Mpa,same as 
    Weldox700 in Europe )