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The hammer crusher also named hammer mill, it crushes by the collisions between high-speed hammer and materials, has features of simple structure, high reduction ration, high efficiency, etc. The PCZ heavy hammer whose characteristic is significant and outstanding when it is used to crush stones. crusher was developed for both dry and wet crushing of brittle, medium-hard materials for the mining, ement, coal, metallurgic, construction material, road building, and petroleum & chemical industries. In the hammer mill machine, the motor drives the rotor rotate at a high speed through the belt, and on the rotor there are series hammers. When the materials get into the working area of hammers, the rotating hammers with high rotation speed are crushing them, the products which are crushed to meet the required size can be discharged by the outlet and become the final products, the large size products are brought back to the crushing area by the hammers for being recrushed until they reached the required size.akinsclassifier: http://www.crusher-machine.com/n226.html limestone machinery: http://www.hxjq-crusher.com/21.html Ways to the reduction of hammer crusher head wearing: 1. Select a reasonable speed. Quickly improve hammer head’s impacting and hardening degree in early process; 2. Improve grate bar structure to make the material-excluding expedite; 3. Often adjust the gap between parts, Ball mills so that it is in a proper range. We hope that every customer can operate the machine well in order to prolong the life of the equipment, which also can prove the quality of our machines. The production lines of broken stone and silver sand are not different from each other in essence, which are used to crush and process the stones, the single one different point from each other is just the operating principle and the fineness of the finished products.