Some knowledge about excavators
| The arm and forearm of the excavator |The forearm of the excavator is a labor-intensive lever, and the pin in the middle is the fulcrum. The arm is upward and the forearm is downward! The longer the arm, the less labor it will take, and vice versa! The arm is at its longest at this time, so the forearm has the greatest digging force at this angle!The advantages are: 1. Improve the working efficiency of the excavator and reduce fuel consumption, 2. Reduce the friction of each pin and reduce loss, 3. Reduce the met···
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