impact crusher, hcp- impact crusher, granite crusher,limestone crusher,concrete crusher-yifan machinery

impact crusher, hcp- impact crusher, granite crusher,limestone crusher,concrete crusher-yifan machinery

Feed size: 700mm. production capacity :30-850t / h. Crushing materials: granite, limestone, concrete, lime, gypsum, slaked lime. Applications:Widely used for crushing various soft and medium hard ore, primary crushing and secondary crushing coarse broken, broken, broken bits. Mainly used for mining, construction, chemical, cement, metallurgy and other industries.

CHP (A) / CHS (A) series impact crusher in absorbing foreign advanced technology and optimized design combined with the actual situation, the overall structure is simple and practical, yet reasonable, more humane, while cavity greater and moreexcellent, under the same conditions, improve production efficiency.

CHP (A) / CHS (A) series impact crusher is widely used for crushing various soft and medium hard ore, primary crushing and secondary crushing rough broken, broken, broken bits. Mainly used for mining, construction, chemical, cement, metallurgy and other industries.

CHP (A) / CHS (A) series impact crusher features are as follows: 1, high-quality sheet metal and wear parts, reducing wear and tear, improve conditions of production efficiency; advanced processing technology and processes, is the basis of equipment performance. 2, Product versatility, the two chamber crushing equipment in replacement of other parts of the foundation to increase the grinding holder, you can become a three-chamber crushing equipment, reduce user secondary investment. 3, heavy-duty rotor, finite element stress analysis, optimal design, the structure is more reasonable, the moment of inertia of a larger, more broken than crushing capacity, abrasion resistance. 4, rotor welding process, prior to assembly to be done to static and dynamic balance test, so that the rotor running more smoothly, use longer. 5, Spindle quality forgings finishing at the same time the whole shaft key design, using state-of-the-art international expansion sets up tight connection, more reliable equipment operation, post-maintenance easier. 6, unique board hammer locking device, tightening torque larger, more secure, the board hammer replace it with a more simple, convenient and fast. 7, lining standardized design, strong interchangeability, and to reduce the types of user spare parts and inventory, and replacement easier. 8, a simple and practical locking means, the Impact Crusher housing a housing two tightly locked together. Such device operation is simple, convenient, and the locking time savings. 9, unique hydraulic device design, both user-friendly easily open rack, replacement parts, and can adjust the discharge opening counterattack frame. 10,the counterattack rack and the structural adjustment of the grinding holder is simple, easy to operate, difficult to damage, at the same time easy maintenance, and low cost.

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high manganese steel wear parts

high manganese steel wear parts

Movable jaw plate of jaw crusher is also called jaw head or jaw back. And jaw plate is also called tooth plate, a vital wear resistant part of jaw crusher. A set of jaw plates usually are composed of movable jaw plate and fixed jaw plate. According to different models of jaw crushers, jaw plates also have the consistent sizes and models. In general, jaw plates are made of high-manganese steel.

what is the standard material for crusher wear parts? | qiming machinery

what is the standard material for crusher wear parts? | qiming machinery

Austenitic manganese steel is a very tough and ductile material having a high impact toughness. Mn-steel is a rather soft material having an initial hardness of approx. 220-250 HV. The wear resistance of manganese steel is based on a work hardening phenomenon. When the surface of the Mn-steel is under heavy impact or a compressive load, it hardens from the surface while the base material remains tough. The depth and hardness of the work-hardened surface vary depending on application and Mn-steel grade.

The work-hardened layer can be between 10 and 15 mm deep and hardness can be up to 600 HV in primary applications. In fine crushing applications, the work-hardened layer is thinner and hardness is usually around 350-500 HV.

The Mn/C ratio and amount of Cr are not only relevant when it comes to the wear resistance of the Mn-steel. The entire casting process needs to be well optimized to produce high-quality wear parts. Below are a few critical steps to producing high-quality Mn-steel castings.

It all begins with raw material selection where raw materials are carefully selected for melting in order to get the material analysis inside strict specifications and to reduce the number of certain impurities. During melting and pouring the temperatures are carefully controlled in order to achieve a fine grain structure for the castings. At the same time samples are taken to verify the material analysis and adjust if necessary. Melted metal is then poured into sand molds where the metal slowly solidifies. The molds have carefully designed feeding and gating channels to ensure solid castings.

Heat treatment is another critical step to producing ductile high-quality castings. Temperature, time, and quenching need to be well controlled in order to avoid grain boundary carbide formation. After the heat treatment has been completed, castings are machined according to strict tolerance to ensure a perfect fit for the crusher.

Besides the casting, the cavity shape has a significant effect on the performance of the crusher and the lifetime of wear parts. Cavity shapes are optimized by using sophisticated simulation tools and continuous testing and follow-up.

This material group is offering classical solutions as well as more specialized solutions. These materials are of low cost and a good choice for many applications. The wear resistance is based on the hard carbides on the relative hard matrix, still, the composition and structure can be tailored considerably. Generally, high chromium irons are commonly used in abrasive wear applications

Qiming Machinery is the leading manganese steel, chromium steel, alloy steel, and heat-resisting steel manufacturer in China. We manufacture crusher wear parts, shredder wear parts, mill liners, apron feeder pans, and other wear parts for customers.

crusher wear parts archives | wear parts for industry | qiming casting

crusher wear parts archives | wear parts for industry | qiming casting

Crusher Wear Parts Heat Treatment Wear-resistant chrome steel castings heat treatment purposethatis to get high strength and toughness and high hardness of the martensite matrix to improve the strength of steel, toughness and wear resistance.The main purpose of wear-resistant high manganese steel castings solution heat treatment, the cast structure is to eliminate carbide crystal grain

Three Types Crusher Wear Parts Casting Defects When we start to casting a kinds of crusher wear parts(such as jaw plate,blow bar,mantle),we should avoid some casting defects to keep good quality.There are three common casting defects: Through Linear Class Defects There are cracks, cold, etc., the surface was narrow and small split phenomenon, there are

Crusher Wear Parts Hardness Detection The hardness of crusher wear partsdetermine the size of its good or bad, so the hardness of wear-resistant castings is necessary, we have to look at what methods. Brinell Scale The Brinell scalecharacterizes the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material

Design And Maintenance Of Jaw Crusher Wear Parts Because of the friction effect of jaw crusher by working chamber movable jaw plate and fixed jaw plate composed under great crushing force and material, easy to wear, in order to protect the plate, Qiming Castinginstalled liner wear on the surface of the movable jaw and the

Crusher Wear Parts Casting Coating Requirements Reduce the mechanical surface of the casting sticky sand and chemical sand Mold and core have many pores in the casting and solidification process with a static pressure and dynamic pressure of the metal liquid will penetrate the pores, forming adhesion to the casting surface is difficult to clean

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