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Raymond mill is ever one classic powder grinding machine in the past. And most of modern mill are from it and MTM series milling machine is the most successful one.

Analysis of ore indexes affecting crusher production efficiency2/1/2020
In the ore dressing plant and the stone plant, it is meaningful to understand which properties of the ore will affect the performance of the rock crusher cone and improve accordingly. So what properties of the mine will affect the crusher work? First, the hardness of the ore In general, the harder the ore, the stronger the compressive strength, and the more difficult it is to break during the beneficiation process. There are roughly five types of materials broken by the crusher: soft, soft, medium-hard, hard, and very hard. The harder the material, the longer the crushing time, and the lower the production efficiency. Second, the material for ore Although the humidity of the material itself does not affect the crushing capacity of the crusher, increasing the humidity will increase the viscosity of the fine powder materials, making the finer materials adhere to the coarser material particles, making the discharge speed slower and affecting production efficiency. If it is serious, it will block the machine. Third, the density of ore This is well understood. The higher the density of the ore, the greater the proportion of the required material in the same unit, the more crushed materials produced by the same crusher, the higher the productivity. Fourth, the cleavage of ore The cleavage of the ore also directly affects the crushing capacity of the crusher. For mines with many cleavage surfaces, it is easier to crush, which will save a lot of time for the crusher and improve the crushing efficiency. Five, the size of the ore The larger the size of the ore feed, the larger the ratio to the ore feed port, the more difficult it is to break up, and the lower the productivity; the smaller the ore feed size, the smaller the ratio to the ore feed port, the easier the crushing and the higher the production efficiency.
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