Core Tip: The influence of the amount of niobium in the material on the graded crusher is mainly reflected in the life of the reducer and the life of the tooth plate. In order to prolong the life of the reducer and the life of the toothed plate, the reducer case is generally designed as a cast steel material, and the gear bearing capacity is increased, and the wear resistant material of the tooth plate is selected as the alloy steel.
It is understood that the nature of the material, especially the amount of strontium and chemical properties, is important for the impact of the crushing equipment. The influence of the strontium content of the material on the grading crusher is mainly reflected in the life of the reducer and the life of the tooth plate. After the enthalpy content is increased, higher requirements are placed on the impact resistance of the reducer and the wear resistance of the tooth plate. In order to prolong the life of the reducer and the life of the toothed plate, the reducer case is generally designed as a cast steel material, and the gear bearing capacity is increased, and the wear resistant material of the tooth plate is selected as the alloy steel.
For example, the classification crusher selected by a mining bureau mine is not very clear. It is found that the reducer is often damaged after a period of use, and the life of the tooth plate is very short. It is found through field observation that almost all the broken materials are broken. It is a meteorite. Therefore, it has redesigned the reducer for the cast steel box and designed a more wear-resistant alloy steel tooth plate to meet its normal production.
The continuous improvement of new material technology has improved the life of the hardware reducer and the life of the tooth plate to varying degrees, but the hardness of the meteorites in different regions is not the same, which should be paid attention to during the selection process. On the other hand, with the continuous expansion of the application of classification crushers, the classification crusher is also a trend in the chemical industry, but the chemical properties of materials should be the focus of selection.
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Label: crusher selection should take into account the influence of material properties
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CuW alloys are used where the combination of high heat resistance, high electrical and thermal conductivity, and low thermal expansion are needed. Some of the applications are in electric resistance welding, as electrical contacts, and as heat sinks. As contact material the alloy is resistant to erosion by electric arc. WCu alloys are also used in electrodes for electrical discharge machining and electrochemical machining.
Copper–tungsten (tungsten–copper, CuW, or WCu) alloy is a pseudo-alloy of copper and tungsten. As copper and tungsten are not mutually soluble, the material is composed of distinct particles of one metal dispersed in a matrix of the other one. The microstructure is therefore rather a metal matrix composite instead of a true alloy.
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