01

Road construction

01

Road construction

Diamond arm is an excavator accessory used in road construction projects, specially used for excavating cracked rocks, medium-strong wind fossils, hard clay, shale and karst landforms. By virtue of its powerful function, it greatly improves the efficiency of road-breaking rock construction.
02

House construction

02

House construction

Diamond arm is an excavator accessory used in house construction projects, which is specially used to excavate cracked rocks, medium-strong wind fossils, hard clay, shale and karst landforms. With its powerful function, it greatly improves the efficiency of rock breaking construction.
03

Mining

03

Mining

The diamond arm is suitable for mining in open pit coal mines and the ore with Platinell hardness coefficient below F=8. High mining efficiency and low failure rate.
04

Permafrost stripping

04

Permafrost stripping

The King Kong arm is a powerful excavator specially used for frozen soil stripping. Its powerful power and high efficiency provide a great help for geological excavation and resource development.

Hitachi 490 excavator equipped kaiyuanzhichuang Rock Arm

As shown in the figure, the excavator arm ripper (also known as the modified arm or rock arm) is mounted (installed) on an excavator of Hitachi 490. It has good benefits for the stripping of hard clay, weathered rock, mudstone, etc. It has been used in non explosive (non explosive) construction for 14 years. Under the same working conditions, the effect is much higher than that of a breaker hammer, and the failure rate is lower.

Send email to us

PRODUCT ADVANTAGES

01
Kaiyuan rock arm is unrivaled in its capabilities.

Kaiyuan Rock Arm, as a multi-purpose modified arm, is suitable for mining without blasting, such as open-pit coal mines, aluminum mines, phosphate mines, sand gold mines, quartz mines, etc. It is also suitable for rock excavation encountered in basic construction such as road construction and basement excavation, such as hard clay, weathered rock, shale, rock, soft limestone, sandstone, etc. It has good effects, high equipment strength, low failure rate, high energy efficiency compared to breaking hammers, and low noise. Rock Arm is the first choice for equipment without blasting conditions.
02
One of the outstanding features of the Kaiyuan rock arm installed on Hitachi 490 excavator is its excellent cost-effectiveness.

The excavator rock arm utilizes the cutting-edge technology of the open source kaiyuanzhichuang diamond arm, which optimizes the use of resources and saves a lot of money for any construction project. Its high efficiency reduces labor costs and increases productivity, making the Kaiyuan rock arm an excellent long-term investment for businesses of all sizes.

WHY CHOOSE OUR PRODUCT

Experience the future of construction with the Hitachi 490 excavator. With its open-source, innovative arm, this excavator elevates the capabilities of any construction project, delivering unrivaled performance, efficiency and cost-effectiveness. From tackling challenging terrain to maximizing productivity, the Hitachi 490 is the ultimate partner for success in the construction industry. When you can have the best, don’t settle for less – take your construction work to new heights with the Hitachi 490 excavator.