   All industrial machinery is subject to various potential damage threats during use. Linear vibrating screen is a high-efficiency new type of screening equipment, widely used in mining, smelting, coal, building materials, chemical and other industries. Therefore, there are bound to be some threats of wear and tear in use. The main sources of these threats are:
1. Internal energy related to mechanical operation and the work of various institutions, such as various vibrations, loads, temperatures, etc.;
2. The role of the energy of the surrounding medium, including the role of the operator performing the task, the repairman and the environmental conditions;
3. Latent energy concentrated in mechanical materials and components during manufacturing and assembly.
These energies mainly exist in the form of mechanical energy, thermal energy and chemical energy of the linear vibrating screen itself. When the energy reaches a certain value, it will inevitably lead to the occurrence of harmful processes, causing changes in the initial performance and state of the mechanical components, such as when When a certain power and speed are exercised, each other will produce a harmful friction process, and the result of the friction will cause wear of the mating pair, and the movement of the mating pair may change.
With the development of these harmful processes, the first part will cause damage to the parts, which are manifested by the occurrence of wear, cracks, deformation, fatigue, corrosion, etc. The occurrence of damage will change the structural parameters of the mechanical parts, such as Some dimensional tolerances, geometric tolerances, and changes in fit clearances. Changes in structural parameters in turn lead to changes in mechanical function output parameters, such as changes in mechanical output power, speed, and the like. As the degree of damage to the linear vibrating screen is further expanded, the structural parameters of the mechanical components gradually exceed the allowable values. If the structural parameters of the mechanical parts of the vibrating screen exceed the allowable value, and the output parameters of the function do not exceed the allowable limit range, it can be considered that the machine has a potential fault, and the corresponding state is an abnormal state, which should be eliminated by maintenance; If the function output parameter exceeds the allowable value after the structural parameter exceeds the limit, it is considered that the mechanical fault has occurred, and the corresponding state is the fault state. In this case, the corresponding fault should be eliminated by repair.
In addition, if the mechanical components have reached the limit value after a long period of use, and the system function output parameters are seriously exceeded, the economics of use will obviously decrease. At this time, the machine is in the limit state, and it is necessary. Overhaul or update. Therefore, any machine will gradually wear out with the passage of time. After Zui can't operate normally, if you want to improve the service life of the machine, you must constantly innovate and apply new technology to the development of linear vibrating screen. Going forward to develop a vibrating screen that is more efficient and has a longer service life .
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Jinhe Machinery Technology Department
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