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. All the plate are beveled 45 degree before welding. If necessary, extra pipeline can be added as customer requirements. 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. 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. We will also supply parts list for the long reach boom, so it’s easy for Maintenance and after-sales service. We can supply detailed dimension drawing for confirmation before order. This JCB220 long reach boom,we prepared anti-explode valve for the stick cylinder
Description:
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 specialize in designning and customizing all kinds of long reach boom for all brand excavators.
3. We have detailed dimension of most excavators,this JCB220 excavator we have detailed dimension.
4. For all the long reach boom we produced,include lubricant pipe system, hydraulic system, 1 bucket, 1 bucket cylinder, 1 linkage, all pins,all hoses,etc
The Stick cylinder of the long boom, can use the original stick cylinder to save the cost, if you need the stick cylinder, we also can prepare for you.
This JCB220 long reach boom,we prepared the stick cylinder for customer
| Boom length | 8700 mm |
| Arm length | 6800 mm |
| Max extensive scope(A) | 15100 mm |
| Max dig depth(B) | 11340 mm |
| Max dig height(D) | 12510 mm |
| Max dig depth in vertical wall(C) | 10268 mm |
| Max unloading height(E) | 9510 mm |
| Min rotate radius(F) | 4500 mm |
| Bucket volume | 0.6 m3 |
| Counter weight | no need |
| Folding height | 2980mm |
Applications:
1, This long reach boom export to Finland.
2, Customer will use this long reach boom for dredging river
Certificate and Documents:
1. CE and ISO certificate.
2. Brochure in PDF format is available.
