Biggest long reach boom in China of Excavator Hitachi EX3500 with
Max extensive scope(A)
Max dig depth(B)
Max dig height(D)
Max dig depth in vertical wall(C)
Max unloading height(E)
Min rotate radius(F)
1, Our company established on years 2006, we have over 10 years
experience in designing and customize the long reach boom for all
2, Advanced manufacturing process, Technique is in the line with
3, Applicable for all the excavator model,OEM service is also
4, We have all the installation dimensions of EX3500, we can
customize this long boom for your EX3500 excavator.
5, This is the biggest long reach boom in China at this moment. He
is our company engineering director who standed onside the boom.
6, This long reach boom only include boom and arm, cylinder and
bucket. the Linkage and stick cylinder use original.
7, This long reach was used at under water in Guangzhou Port. As
used in water, the painting and material need to handle especially.
8, Our welding was by maual. Welding is protective-gas welding, the
protective gas is 80% Argon and 20% CO2 mixed. This is golden
standard for protective gas.
9, The main material of this long boom is Q345B + Q690D, the top
and bottom cover plate use Q690D, other place use Q345B. Weldox also optional to suit to your application. Pin’s material is 42CrMo4. Welding is very good, and structure is
10, This long reach boom for EX3500 with total length 32 meters,
bucket is 2.0m3 strengthen bucket.
11.Some parts can be consolidated using thicker plate or
overlapping another plate for heavy-duty application.
12, 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
13, For all base,joint and other main structure of the long boom,
we use boring machine adjust the precision after welding, to avoid
the welding-stress leading to big tolerance.
14, The manufacture time about 25 days. Warranty time 6 month after
15, We will also supply parts list for the long reach boom, so it’s
easy for Maintenance and after-sales service.
1. Dredging river and sea
2. All kinds of construction need long reach excavator.