Time：2018-10-25 Author：Hongyuan Machine
The structural features and working principle of the crusher: the metal crusher is equipped with 3 rows of hammers, 10 hammers in each row, the clearance between the hammers is 60 mm, the clearance between the hammers and the shell plate is 25 mm, the rotary diameter of the hammers is 1250 mm, the weight of the hammers is 27 kg, and the effective wear loss is 1/2 of the weight of the hammers. In the process of mass material entering the crushing chamber from the inlet, it is strongly impacted by the high-speed rotating hammer head, which forms a strong collision between the hammer head and the material, the material and the shell liner, and the material and the material to form the primary crushing. The first crushing material falls to the bottom of the crusher. The material less than the width of the fence and the clearance between the rotary hammer head and the screen bar falls from the fence gap. The material larger than the above two sizes is crushed twice by the extrusion of the rotary hammer head and the screen bar.
The improvement of hammer head structure can be seen from the working principle of crusher that hammer head is the most important component of crusher. The stronger the impact ability of hammer head, the better the effect of crushing materials. Therefore, the design of hammer head is an important part. Comparing the structure of the hammer head before the modification, the thickness of the improved hammer head increases by 15 mm, the end width of the hammer head increases by 20 mm, the end length of the hanging hole of the hammer head increases by 10 mm, and the radius of the circle at the hanging place of the hammer head changes from 90 mm to 75 mm. The impact force of hammer head on material increases the center of gravity of hammer head shifts outward in rotation diameter, the linear velocity of hammer head increases during operation, and the impact ability of hammer head on material also increases, thus enhancing the crushing effect of crusher.
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