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Ways to Raise Hardness of Die in Wood Pellet Mill

During the working process of wood pellet mill, ring die may be ruptured due to the great pressure on it. Doubtlessly, ring die may be ruptured if being used for a much longer period. Factors like kinds of textures, heat treatment for textures, size and distribution of die holes are of key importance to decide the rupture resistance of ring die.

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To improve the wear-resistant ability of ring die, you need to improve the hardness. While, to improve the hardness means to lower the rupture resistance. Therefore, the hardness of ring die should be controlled within a limited degree. Stronger the wear resistance of textures, lower the break resistance of ring die. Therefore, when it refers to the texture selection, you should take several factors into consideration.

Textures for making the press rollers are important for the service life of wood pellet machine. During the working process of wood pellet machine, linear speeds of ring die and press roller are basically similar. While, the wearing rate of press roller is quite larger than that of ring die due to the smaller diameter.

To realize the changes of press rollers and ring die at the same time, hardness of press roller should be higher than that of ring die. Therefore, press rollers, made by the carbon alloy steel, are more and more used for equipping wood pellet making machine. Under the support of world-level production lines, first-class modern testing base and several state-level machinery research institutions, FTM China Machinery is known as the NO.1 brand of wood pellet mill.

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