The 360 degree hydraulic rotating mechanism is more difficult to manufacture for excavators. Just like earphones, it changes the powered part into a hydraulic channel.
Liu Haixian took out the drawings of some parts of the excavator to be forged and sent them to the rolling mill.
Many parts do not need to be forged when casting and pressing technology is adopted in modern times. However, at the current working condition level, secondary processing after forging is the best choice.
Although this is troublesome and consumes manpower and material resources, it is the best solution.
All parts of the boring machine are placed in the same room, and they are all placed in a large