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Home > Internal Grinding > Grinding wheel for grinding characteristics of high strength steel
Grinding wheel for grinding characteristics of high strength steel
2013-08-01 by seoer3
 High stress steels are those with high strength and hardness, and has great toughness and ductility of the alloy. An alloy elements are chromium, nickel, tungsten, aluminum, vanadium, manganese, etc., such as 300M steel is a good overall performance, widely used in low alloy high strength steel, with similar grades for 40CrNi2MoVA.
  Ultra-high strength steel has excellent mechanical properties, but also to bring some difficulties grinding, grinding its features are as follows:
 A) grinding force
 Ultra-high-strength steel ultimate strength greater than 1500MPa, grinding material deformation resistance to pressure, and thus the grinding force. For example: 300M steel grinding grinding grinding force than 45 steel grinding force 59%.
 2) grinding temperature high
  High strength steel  grinding wheel  grinding force, the mechanical power consumed by more than 99% is converted into heat, resulting in a large number of grinding heat. Furthermore, high strength steel containing Ni, Mo, Si and other alloying elements, thus significantly reducing the thermal conductivity, such as room temperature, 45 steel thermal conductivity of 50.2W (m · K), and 300M steel as 26.6 W (m · K). Grinding heat, low thermal conductivity, thus the name of high strength steel grinding grinding temperature is high. Table 01 shows that 45 steel grinding grinding grinding 300M steel use ratio is much larger, and the grinding temperature is much lower.
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