Biens d'équipement
Hammer Crusher
Quantité : 100 Set/Se Prix : US $2,000 - 200,000
Generally speaking, the higher the hardness of the hammer wear more. To improve the wear resistance of the hammer, it is necessary to increase the hardness, but with the increase in hardness, hammer impact toughness will be reduced. Therefore, how to balance the hammer suitable hardness and good impact toughness is the key to improve the wear resistance of the hammer. The commonly used materials are: high manganese steel, high chromium cast iron, low carbon alloy steel. High manganese steel has good toughness, good manufacturability, low prices, the main characteristics is in a larger impact or contact stress, the surface layer will rapidly produce work hardening, the hardening index than other materials high 5 - 7 times and wear resistance are greatly improved. But if you use a towel impact force is not enough or the contact force is small, can not make the surface rapid hardening and wear resistance of high manganese steel can't into full play. High chromium cast iron is a kind of wear-resistant material with good anti - wear and anti - wear properties, but the toughness is lower, and it is easy to happen brittle fracture. In order to make the high chromium cast iron hammer safety operation, people have developed composite hammer is high chromium cast iron insert casting high chromium cast iron is used in the high manganese steel and low alloy steel hammer head, or hammer working part, handle is made of carbon steel, two composite rise, the hammer head with high hardness, and part of the hammer handle has high toughness, give full play to their respective advantages of the two materials and to overcome the shortcomings of a single material, meet the requirements of the use of hammer. But the manufacturing process is complex and the process requirements are strict. Low carbon and low alloy steel containing chromium, molybdenum and other elements of the alloy structure steel, high hardness, good toughness, the matrix microstructure is martensite, bainite or bainite ferrite + martensite composite tissue. The hardness of HRC is about 45, the impact toughness of D. More than 15 J/ resistance. Under the same operating conditions, the service life of at least I times higher than the high manganese steel hammer. But the hammer quenching and tempering heat treatment is the key, quenching and tempering heat treatment requires not only tensile strength of more than 850 MPa, and require a considerable plasticity and toughness.
Shanghai ChangLei Machinery Equipment Co., Ltd., is an international-type specialized business which specializes in manufacturing mining crushing machinery and mining crushing machinery parts, sand processing equipment and industrial milling equipment,well-known products include jaw crusher and parts, cone crusher and parts, impact crusher and parts, sand making machine, iron ore fine grinding machines, as well as complete sets of equipment and various types of spare parts, etc. Integrated itself with the developing, producing and selling, we devote ourselves in offering our customers the crusher equipment with the highest quality and efficient.
If you want to know more product information, please click: http://www.partscrusher.com/ Localisation : No. 158,Shengang Avenue,Lingang new city,Pudong new district, SH021 ShangHai, Personne à contacter : Zhang Jian, +86 18055427271
Inscrit le 21 août 2015
Numéro d'identification de la société : 21 61901273
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