===under info was translated buy computer===
The fixed crushing mechanical arm is mainly used in the lattice screen opening of open-pit quarry, the feeding opening of underground mine pass machine, the mobile crushing station of sand and gravel aggregate yard, the feeding bin opening of crusher, metallurgical furnace, foundry and wharf loading and unloading yard, etc. The fixed crushing mechanical arm can break and remove large pieces of hard rock, ore and ladle slag twice without explosion. The Yuan Zheng Xing fixed crushing mechanical arm has the characteristics of high efficiency, strong crushing force, simple operation and maintenance and low cost. The fixed crushing mechanical arm is composed of hydraulic pump station, rotary support system, boom and jib, hydraulic crushing hammer and controller.

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