The whole machine of the breaker hammer vibrates violently. Stop working immediately.

[DIG-DOG]

Crushing is a job that everyone loves and hates. High wages and subsidies are recognized advantages. Of course, the low safety factor, greater damage to the machine, and severe vibration are also disadvantages that cannot be covered up.
Today, the editor mainly talks about the problem of severe vibration of the whole machine during the crushing operation of the excavator. I believe that many machine operators do not understand it at first. After all, it is normal for the machine to vibrate during the crushing operation. But if the vibration is severe, it is often a warning of a serious fault.
Fault phenomenon
The user's beloved machine that I want to share with you today is equipped with a breaker at the factory, and the usual operation is mainly crushing. The owner's reaction is that the machine vibrates violently during operation, the weld of the head of the bucket cylinder is cracked, and the hydraulic oil is sprayed everywhere. Helplessly, it can only stop work and wait for repairs.
Investigation process
In the process of communicating with the owner, the maintenance personnel learned that this machine was delivered in mid-April and vibrated violently in normal use until mid-July. The owner recalled that the machine was newly purchased not long ago, and the project was urged. It did not affect the normal operation of the breaker at the time and did not attract attention.
In this way, the machine worked "just enough" until October, when the machine hours reached 960 hours. The weld of the bucket cylinder barrel head cracked and could not be operated, so the maintenance personnel were notified to come for repair.
Fault analysis
The initial violent vibration of the machine was caused by the damage of the breaker hammer accumulator leather cup, which lost its vibration absorption function. The reason is also very simple. The breaker hammer has been operating under severe vibration for a long time, and the vibration absorption ability has been lost. Over time, the weld of the bucket cylinder barrel head has cracked.
Fault handling
Because the cause of the machine failure is not complicated, it is only the user's negligence in inspection that will cause more serious consequences. Therefore, the maintenance personnel replaced the breaker hammer leather cup and the vibration disappeared when using the breaker hammer.
Summary
In fact, the situation of the owner of this article is not an isolated case. This kind of "make do" construction thinking and behavior in the industry has become the norm. After all, the most fundamental purpose of buying a machine is to make money. There is no turning back after starting work, and engineering work will not wait for the machine!
But at the end of the article, the editor still wants to remind everyone that the initial causes of many faults are very small, and it will not be time-consuming and laborious to deal with them. If you see that there is an abnormal situation with the excavator and still force construction, small problems will definitely develop into major failures!

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