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The new crane will have a certain running-in period
In general, the newly purchased cranes will have a running-in period, and there will often be some failures that affect normal operation. Knowing some of the characteristics of the run-in period can make better use of the crane.
Because of the influence of the processing, installation and adjustment of the new machine parts of the crane, the conflict is rough and the contact area of the cooperation surface is small, and the pressure on the exterior is uneven. During the operation of the crane, the concave and convex parts of the exterior of the part are in conflict with each other, and the metal debris that is ground down, as an abrasive, increases the friction and accelerates the wear of the parts. Therefore, the wear of the components is simply formed during the running-in period, and the wear speed is fast, so it is necessary to pay attention to the usual maintenance.
Because the cooperation space of the newly installed components is small, and because of the installation and the like, it is difficult to ensure the uniformity of the cooperation gap, and the lubricating oil is not easy to form a uniform oil film on the conflict surface to resist the wear. Then reduce the lubrication efficiency and form the abnormal wear of the crane parts.
In the newly processed and assembled parts, there are variations in the geometric shape and the matching size. In the initial stage of use, it is easy to make due to the alternating load such as impact and vibration, as well as the influence of heat and deformation, and excessive wear. The parts that were originally tightened were loose. Moreover, loose parts can cause leakage phenomena such as oil leakage.
For newly-purchased port cranes, some places are not familiar with them, or the operation is not very convenient, which may cause some mistakes, especially for new operators, which are prone to failure. Therefore, familiarize yourself with the new mechanical equipment and then use it.
The quality of cranes is getting worse