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Vertical roller mill roll body and liner wear during use, due to the friction roller grinding pressure, the material support reaction force, the material between the liner and the roller; grind into a corner because of the material caused by the roller shear the combined effects of stress each other, roll mill hydraulic system pressure and the apparent stress, such as vertical roller mill forces, these forces are acting on the vertical roller mill grinding roller compacted area effectively.
Once with a gap, vertical roller mill will impact collision between the body and the lining, making between the body and liner wear and tear, so that the liner severe cracks or fracture, causing the liner off, machine damage, especially gearhead damaged, resulting in a vicious incident. Once this kind of problem occurs, general repair methods are difficult to solve, demolition, welding, machine processing fees when consuming, downtime downtime caused by greatly extended, to bring huge economic losses irreparable.
In response to these problems of vertical roller mill, Europe and other developed countries make more use of polymer composites repair site, including application of the more mature world blessed blue series. Material with its excellent mechanical properties and good plasticity, makes a satisfactory solution to the problem. Not only prolong equipment life, improve productivity, and do not take up extra downtime downtime, while simple and effective to avoid the possibility of the issues that arise secondary to continuous production enterprise security escort.