{"id":9797,"date":"2026-07-15T13:37:46","date_gmt":"2026-07-15T05:37:46","guid":{"rendered":"https:\/\/www.clirik.com\/?p=9797"},"modified":"2026-09-08T11:52:26","modified_gmt":"2026-09-08T03:52:26","slug":"vertical-roller-mill-maintenance-parts-expert-tips","status":"publish","type":"post","link":"https:\/\/www.clirik.com\/fr\/vertical-roller-mill-maintenance-parts-expert-tips\/","title":{"rendered":"Entretien et pi\u00e8ces d\u00e9tach\u00e9es des broyeurs \u00e0 rouleaux verticaux : conseils d\u2019experts"},"content":{"rendered":"
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In order to do a good job in the daily maintenance of vertical mills (vertical mills), these 3 steps are indispensable: accurate hydraulic tensioning control, tight-fitting centering of grinding discs, and surfacing of wear-resistant parts in advance to stabilize the material bed. If you don’t understand the wear law first, just blindly replace standard spare parts, the result will only be frequent vibration jumps and stops, wasting operating costs.<\/p>\n\n\n\n

Many cement plants and mining enterprises turn a blind eye to the daily “micro-vibration”, and profits are often lost quietly until the bearing is completely scrapped. In fact, more than 60% of vertical mills stop suddenly, the root cause is the misjudgment of the pressure drop of hydraulic accumulator, not the fluctuation of raw materials. This technical guide will provide you with a detailed set of precise data-based operating specifications to help you stabilize the mill operation, extend the life of your parts, and significantly reduce unplanned downtime in the next quarter.<\/p>\n\n\n\n

The P-A-W Triangle Rule: A Framework For Vertical Mill Optimization<\/h2>\n\n\n\n

Playing with vertical mill maintenance, the key lies in the change of thinking-from the passive response of “bad repair” to active monitoring based on benchmark data prediction. The most experienced factory managers in the industry tend to follow a core rule: the P-A-W triangle (pressure, centering, wear).<\/p>\n\n\n\n

Pressure (Pressure): The hydraulic grinding pressure must be perfectly matched with the grindability index of the material. Excess pressure will directly destroy the bearing, and insufficient pressure will make the material bed extremely unstable.<\/p>\n\n\n\n

CENTERING (Alignment): Even if there is only a 2mm misalignment between the grinding roller and the grinding disc roller table, the shear force will be completely changed, greatly reducing the grinding efficiency.<\/p>\n\n\n\n

Wear: Be sure to focus on the specific wear rate ( g\/ton ) of the grinding parts, which will determine the scheduling of your entire maintenance plan.<\/p>\n\n\n\n

\"Display<\/figure>\n\n\n\n

As long as these three can maintain a balance, it can effectively prevent the kind of accumulation of heavy mill parts of the structural fatigue.<\/p>\n\n\n\n

Core Components: Inspection Specification<\/h2>\n\n\n\n

Once the components in the raw mill or slag mill are out of order, the destructive force is rapidly spreading radially. For example, if the rotor guide blade of the powder selecting machine is worn out, the particle gradation will be disorderly set, forcing the mill to run overloaded, which in turn accelerates the scrapping of the grinding roller. Daily use of the eye, hand touch simply do not detect the fatigue damage within the material. Equipment engineers must make real use of ultrasonic flaw detection and vibration characterization.<\/p>\n\n\n\n