Impact Crusher Plate Hammer

Impact Crusher Plate Hammer

Interpretation of impact hammer plate hammer

Some customers ask customers about the hammer of the impact crusher produced by the company in their questions, such as the shape of hammer and the material of hammer, etc. Through the understanding, we will answer your questions and hope to help you understand more about this product.

Q: What is the shape of the hammer in the impact crusher?

Answer: There are two types of impact crushers developed by the company, and each series of equipment has a different shape of the hammer. The shape of the PF series hammer is mainly straight, while the shape of the PFW series hammer is mainly crescent.

Q: What is the difference between straight and crescent hammers?

Answer: In the two series of impact crushers developed by the company, the material of the hammer is the same, so the difference is mainly in the shape. The linear plate hammer is used in the early stage of the impact crusher, while the crescent type is used in the later stage. In comparison, the crescent-shaped plate hammer is more in line with the shape of the counter-liner, which can make the impact force of the material hitting the plate hammer perpendicular to the plate hammer, thereby increasing the crushing ratio of the material and promoting the improvement of the crushing efficiency.

impact crusher

Q: What material is used for the hammer?

Answer: The company's machine hammers are made of high chromium cast iron. This material has good performance and wear resistance. It is very suitable for the design of wear-resistant parts in mining crushing equipment. The hammer is a counter-attack type. The material and positioning of the important wear parts in the crusher are exactly the same.

Q: How is the hammer fixed on the rotor?

Answer: Summarizing the previous manufacturing experience of impact crushers, there are three ways to fix the hammers, namely screw, pressure plate and wedge. The current company's fixing method is pressure plate and wedge.

Q: What is the difference between these three fixing methods?

Answer: The screw fixing method is to penetrate a screw hole on the rotor and the hammer, and then fix the two with screws. Often, this fixing method requires a lot of screws, and this fixing has a defect. That is, the screws of the screws will be exposed to the outside of the hammer and the rotor, and the exposed parts will be abraded by the impact of the material, which will easily cause breakage and cause accidents. The pressure plate is fixed by welding the two ends of the rotor and the hammer with a pressure plate. This fixing method is more reliable, but it is more troublesome to replace. The wedge is fixed by installing a wedge between the rotor and the hammer. This kind of fixing is more reliable and its replacement is relatively simple. So far, its application is more extensive.

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